What are the cheapest airlines to fly from San Francisco Bay Area to Region of Ontario one-way?

C$ 161 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Porter Airlines and Air Canada, with prices starting from C$ 177 and C$ 185, respectively.

How far in advance should I book a flight from San Francisco Bay Area to Region of Ontario?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 42 days in advance, which can save you up to 41% on flights from San Francisco Bay Area to Region of Ontario compared to booking the week you need them. Waiting 42 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 649. For sooner than that we have options available in the next 3 days from C$ 767.

What is the cheapest month to fly from San Francisco Bay Area to Region of Ontario?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Region of Ontario. Flights to Region of Ontario from San Francisco Bay Area in February are about C$ 658 on average during February, but can be found for as low as C$ 225.

Can I find deals for flights from San Francisco Bay Area to Ontario that include hotel bookings?

Yes. In addition to deals on San Francisco Bay Area to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Francisco Bay Area to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco Bay Area to Ontario.

Can I find deals for business class flights from San Francisco Bay Area to Ontario?

Yes. Cheapflights offers flight deals from San Francisco Bay Area to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 107+ Flights from San Francisco Bay Area to Ontario

Cheap flight deals from San Francisco Bay Area to Ontario

Round-trip from	C$ 278
One-way from	C$ 107
Popular in	December
Cheapest in	February
Average price	C$ 570

25/2-26/3
3 total stops
32h 39m total
San Francisco Bay Area to Ontario

Search Deals

2/4
1 total stop
15h 32m total
San Francisco Bay Area to Ontario

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (C$ 73 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 31 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2025

Search Deals

Find flight deals from San Francisco Bay Area to Ontario

Cheapest flights from San Francisco Bay Area to Ontario
Explore the most affordable flight options available from San Francisco Bay Area to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 January 2025.

Wed 3/912:50 p.m.SFO - YKF

1 stop8h 55mWestJet

Sun 21/96:00 a.m.YKF - SFO

2 stops10h 57mWestJet

Deal found 29/1C$ 273

Thu 4/97:30 a.m.SFO - YYZ

2 stops10h 31mWestJet

Mon 22/98:00 a.m.YYZ - SFO

2 stops12h 14mWestJet

Deal found 29/1C$ 281

Tue 25/23:30 p.m.SFO - YYZ

1 stop12h 13mMultiple Airlines

Tue 1/41:50 p.m.YYZ - SFO

2 stops22h 58mMultiple Airlines

Deal found 28/1C$ 284

Wed 26/212:40 p.m.OAK - YYZ

1 stop15h 03mMultiple Airlines

Mon 3/31:50 p.m.YYZ - OAK

2 stops24h 55mMultiple Airlines

Deal found 29/1C$ 290

Tue 25/29:18 p.m.SJC - YYZ

1 stop30h 25mMultiple Airlines

Tue 18/37:25 p.m.YYZ - SJC

1 stop24h 09mMultiple Airlines

Deal found 29/1C$ 296

Fri 26/912:50 p.m.SFO - YUL

1 stop8h 51mMultiple Airlines

Mon 6/106:45 a.m.YUL - SFO

1 stop8h 38mMultiple Airlines

Deal found 29/1C$ 349

Wed 18/66:05 p.m.SFO - YOW

1 stop9h 40mWestJet

Tue 24/66:00 a.m.YOW - SFO

1 stop9h 05mWestJet

Deal found 29/1C$ 353

Sat 1/31:40 p.m.SFO - YYZ

Nonstop5h 02mPorter Airlines

Wed 5/39:45 a.m.YYZ - SFO

Nonstop5h 54mPorter Airlines

Deal found 30/1C$ 368

Wed 14/512:50 p.m.SFO - YUL

1 stop8h 53mWestJet

Mon 19/57:00 a.m.YUL - SFO

1 stop13h 15mWestJet

Deal found 30/1C$ 372

Thu 20/31:40 p.m.SFO - YUL

1 stop7h 55mPorter Airlines

Tue 25/36:45 a.m.YUL - SFO

1 stop8h 54mPorter Airlines

Deal found 29/1C$ 386

Mon 17/310:59 p.m.SFO - YOW

2 stops30h 18mMultiple Airlines

Thu 20/36:20 a.m.YOW - SFO

1 stop9h 19mMultiple Airlines

Deal found 30/1C$ 386

Sun 9/21:40 p.m.SFO - YOW

1 stop8h 00mPorter Airlines

Tue 11/26:20 a.m.YOW - SFO

1 stop9h 19mPorter Airlines

Deal found 29/1C$ 389

Best flights from San Francisco Bay Area to Ontario
Discover carefully curated flight deals from San Francisco Bay Area to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 January 2025.

Tue 25/23:30 p.m.SFO - YYZ

1 stop12h 13mMultiple Airlines

Wed 26/31:50 p.m.YYZ - SFO

2 stops20h 26mMultiple Airlines

Deal found 30/1C$ 278

Fri 9/512:50 p.m.SFO - YKF

1 stop8h 56mWestJet

Mon 12/56:00 a.m.YKF - SFO

1 stop9h 05mWestJet

Deal found 30/1C$ 301

Fri 30/51:25 p.m.SFO - YYZ

Nonstop4h 59mPorter Airlines

Tue 17/69:45 a.m.YYZ - SFO

Nonstop5h 38mPorter Airlines

Deal found 29/1C$ 359

Wed 12/38:30 a.m.SFO - YTZ

1 stop10h 20mAir Canada

Wed 19/33:25 p.m.YTZ - SFO

1 stop9h 26mAir Canada

Deal found 30/1C$ 411

Tue 25/310:36 p.m.SFO - YOW

1 stop15h 30mUnited Airlines

Wed 26/37:30 p.m.YOW - SFO

2 stops15h 01mUnited Airlines

Deal found 29/1C$ 446

Mon 24/212:32 a.m.SFO - YYZ

1 stop12h 18mAmerican Airlines

Thu 6/312:35 p.m.YYZ - SFO

1 stop13h 21mAmerican Airlines

Deal found 28/1C$ 461

Wed 5/311:11 a.m.SFO - YYZ

2 stops24h 44mAlaska Airlines

Wed 12/34:20 p.m.YYZ - SFO

2 stops19h 32mAlaska Airlines

Deal found 29/1C$ 483

Tue 25/21:20 p.m.SJC - YYZ

1 stop7h 32mDelta

Wed 26/36:15 a.m.YYZ - SJC

1 stop8h 36mDelta

Deal found 30/1C$ 536

Wed 26/212:40 p.m.OAK - YYZ

1 stop15h 03mMultiple Airlines

Mon 3/31:50 p.m.YYZ - OAK

2 stops24h 55mMultiple Airlines

Deal found 29/1C$ 290

Tue 25/29:18 p.m.SJC - YYZ

1 stop30h 25mMultiple Airlines

Tue 18/37:25 p.m.YYZ - SJC

1 stop24h 09mMultiple Airlines

Deal found 29/1C$ 296

Wed 14/57:30 a.m.SFO - YYZ

1 stop10h 24mWestJet

Wed 21/510:00 a.m.YYZ - SFO

1 stop10h 15mWestJet

Deal found 30/1C$ 327

Thu 20/31:40 p.m.SFO - YUL

1 stop7h 55mPorter Airlines

Tue 25/36:45 a.m.YUL - SFO

1 stop8h 54mPorter Airlines

Deal found 29/1C$ 386

Direct flights from San Francisco Bay Area to Ontario
Explore direct flight options from San Francisco Bay Area to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 January 2025.

Wed 12/31:40 p.m.SFO - YYZ

Nonstop5h 02mPorter Airlines

Wed 19/39:45 a.m.YYZ - SFO

Nonstop5h 54mPorter Airlines

Deal found 30/1C$ 349

Wed 12/310:45 p.m.SFO - YYZ

Nonstop4h 58mMultiple Airlines

Wed 19/39:45 a.m.YYZ - SFO

Nonstop5h 54mMultiple Airlines

Deal found 28/1C$ 385

Thu 20/211:55 a.m.SFO - YYZ

Nonstop4h 58mAir Canada

Wed 26/25:20 p.m.YYZ - SFO

Nonstop5h 47mAir Canada

Deal found 29/1C$ 417

Mon 2/611:46 p.m.SFO - YUL

Nonstop5h 25mAir Canada

Thu 5/66:30 p.m.YUL - SFO

Nonstop6h 16mAir Canada

Deal found 29/1C$ 568

Fri 23/511:46 p.m.SFO - YUL

Nonstop5h 25mUnited Airlines

Fri 30/56:30 p.m.YUL - SFO

Nonstop6h 16mUnited Airlines

Deal found 29/1C$ 616

Thu 15/54:25 p.m.SFO - YYZ

Nonstop5h 01mUnited Airlines

Sat 24/57:00 a.m.YYZ - SFO

Nonstop5h 39mUnited Airlines

Deal found 29/1C$ 657

Sat 19/48:30 a.m.SFO - YUL

Nonstop5h 40mMultiple Airlines

Tue 22/46:20 p.m.YUL - SFO

Nonstop6h 25mMultiple Airlines

Deal found 29/1C$ 1,250

Thu 13/21:40 p.m.SFO - YYZ

Nonstop5h 02mAir Transat

Mon 17/29:45 a.m.YYZ - SFO

Nonstop5h 54mAir Transat

Deal found 29/1C$ 1,276

Last-minute flights from San Francisco Bay Area to Ontario
Discover last-minute flight deals from San Francisco Bay Area to Ontario. Data last updated 30 January 2025 and is based on user searches.

Tue 4/28:02 p.m.SJC - YYZ

2 stops21h 04mMultiple Airlines

Mon 24/28:00 p.m.YYZ - SJC

1 stop17h 21mMultiple Airlines

Deal found 30/1C$ 405

Wed 5/21:40 p.m.SFO - YYZ

Nonstop5h 02mMultiple Airlines

Tue 11/212:00 p.m.YYZ - SFO

2 stops24h 42mMultiple Airlines

Deal found 29/1C$ 372

Wed 5/28:25 a.m.SFO - YYZ

Nonstop4h 52mAir Canada

Tue 11/28:05 a.m.YYZ - SFO

Nonstop5h 47mAir Canada

Deal found 29/1C$ 430

Wed 5/23:18 p.m.SFO - YYZ

2 stops20h 02mFrontier

Tue 11/23:30 p.m.YYZ - SFO

2 stops21h 12mFrontier

Deal found 29/1C$ 450

Thu 6/21:40 p.m.SFO - YUL

1 stop7h 55mPorter Airlines

Thu 13/26:45 a.m.YUL - SFO

1 stop8h 54mPorter Airlines

Deal found 30/1C$ 440

Fri 7/21:40 p.m.SFO - YYZ

Nonstop5h 02mPorter Airlines

Sun 9/29:45 a.m.YYZ - SFO

Nonstop5h 54mPorter Airlines

Deal found 30/1C$ 355

Fri 7/28:20 a.m.SFO - YYZ

1 stop27h 35mAlaska Airlines

Sun 9/24:20 p.m.YYZ - SFO

2 stops18h 10mAlaska Airlines

Deal found 30/1C$ 487

Sat 8/27:02 p.m.OAK - YYZ

2 stops40h 04mMultiple Airlines

Wed 12/28:00 p.m.YYZ - OAK

1 stop18h 45mMultiple Airlines

Deal found 29/1C$ 425

Sat 8/212:27 a.m.SFO - YYZ

1 stop14h 59mAmerican Airlines

Tue 11/26:10 a.m.YYZ - SFO

1 stop11h 50mAmerican Airlines

Deal found 29/1C$ 473

Sun 9/21:40 p.m.SFO - YOW

1 stop8h 00mPorter Airlines

Tue 11/26:20 a.m.YOW - SFO

1 stop9h 19mPorter Airlines

Deal found 29/1C$ 389

Sun 9/28:30 a.m.SFO - YTZ

1 stop10h 20mAir Canada

Wed 12/23:25 p.m.YTZ - SFO

1 stop9h 26mAir Canada

Deal found 29/1C$ 443

Sun 9/211:59 p.m.SFO - YOW

2 stops11h 36mUnited Airlines

Tue 11/22:10 p.m.YOW - SFO

1 stop8h 57mUnited Airlines

Deal found 29/1C$ 480

One-way flights from San Francisco Bay Area to Ontario
Search for one-way flight options from San Francisco Bay Area to Ontario. Find affordable one-way fares based on user searches. Data last updated 30 January 2025.

Wed 2/412:11 p.m.OAK - YYZ

1 stop15h 32mMultiple Airlines

Deal found 29/1C$ 107

Mon 10/31:00 p.m.SJC - YYZ

1 stop9h 02mMultiple Airlines

Deal found 30/1C$ 120

Tue 4/310:15 a.m.SFO - YOW

1 stop25h 26mMultiple Airlines

Deal found 30/1C$ 156

Tue 25/23:28 p.m.SJC - YUL

3 stops30h 17mMultiple Airlines

Deal found 30/1C$ 160

Wed 18/66:05 p.m.SFO - YOW

1 stop9h 40mWestJet

Deal found 29/1C$ 161

Fri 20/61:25 p.m.SFO - YOW

1 stop7h 56mPorter Airlines

Deal found 29/1C$ 177

Thu 19/67:40 p.m.SFO - YOW

1 stop9h 39mAir Canada

Deal found 29/1C$ 185

Wed 26/23:30 p.m.SFO - YUL

2 stops30h 09mMultiple Airlines

Deal found 29/1C$ 200

Sat 15/24:00 p.m.SFO - YOW

2 stops15h 31mUnited Airlines

Deal found 30/1C$ 205

Tue 4/21:40 p.m.SFO - YUL

1 stop7h 55mPorter Airlines

Deal found 29/1C$ 206

Sat 3/57:30 a.m.SFO - YUL

2 stops27h 44mWestJet

Deal found 29/1C$ 209

Sat 26/410:30 p.m.SFO - YYZ

1 stop10h 01mDelta

Deal found 30/1C$ 219

Find flights from San Francisco Bay Area to Ontario within your budget

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 25/2

3:30 p.m.-6:43 a.m.

1 stop12h 13m

Toronto Pearson Intl

Wed 26/3

1:50 p.m.-7:16 a.m.

2 stops20h 26m

C$ 278

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Wed 26/2

12:40 p.m.-6:43 a.m.

1 stop15h 03m

Toronto Pearson Intl

Mon 3/3

1:50 p.m.-11:45 a.m.

2 stops24h 55m

C$ 290

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Tue 25/2

9:18 p.m.-6:43 a.m.

1 stop30h 25m

Toronto Pearson Intl

Tue 18/3

7:25 p.m.-4:34 p.m.

1 stop24h 09m

C$ 296

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 9/5

12:50 p.m.-12:46 a.m.

1 stop8h 56m

Toronto Region of Waterloo Intl

Mon 12/5

6:00 a.m.-12:05 p.m.

1 stop9h 05m

C$ 301

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 14/5

7:30 a.m.-8:54 p.m.

1 stop10h 24m

Toronto Pearson Intl

Wed 21/5

10:00 a.m.-5:15 p.m.

1 stop10h 15m

C$ 327

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 18/6

6:05 p.m.-6:45 a.m.

1 stop9h 40m

Ottawa

Tue 24/6

6:00 a.m.-12:05 p.m.

1 stop9h 05m

C$ 353

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 30/5

1:25 p.m.-9:24 p.m.

Nonstop4h 59m

Toronto Pearson Intl

Tue 17/6

9:45 a.m.-12:23 p.m.

Nonstop5h 38m

C$ 359

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 2/6

1:25 p.m.-12:37 a.m.

1 stop8h 12m

Montreal Pierre Elliott Trudeau Intl

Thu 5/6

6:45 a.m.-5:15 p.m.

2 stops13h 30m

C$ 365

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 14/5

12:50 p.m.-12:43 a.m.

1 stop8h 53m

Montreal Pierre Elliott Trudeau Intl

Mon 19/5

7:00 a.m.-5:15 p.m.

1 stop13h 15m

C$ 372

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Thu 20/3

1:40 p.m.-12:35 a.m.

1 stop7h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 25/3

6:45 a.m.-12:39 p.m.

1 stop8h 54m

C$ 386

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/1

Showing 1-10 of 60 results

...

Best time to book a flight from San Francisco Bay Area to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from San Francisco Bay Area with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco Bay Area to Ontario

Get recent, data-driven insights about flights from San Francisco Bay Area to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from San Francisco Bay Area to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Region of Ontario (average of C$ 167). Flying from San Francisco Bay Area to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from XIH to ON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco Bay Area to Region of Ontario as you normally would.

Weekly flight availability from San Francisco Bay Area to Region of Ontario

The most flights from zzXIH to CAON are scheduled on a Wednesday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Ontario by month

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Alaska Airlines, Delta and Porter Airlines from San Francisco Bay Area to Ontario by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,688 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,688 reviews

Alaska Airlines

8.0

Very good

9,688 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

8,454 reviews

Alaska Airlines

8.0

Very good

9,688 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Porter Airlines

7.9

Good

278 reviews

Alaska Airlines

8.0

Very good

9,688 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Air Transat

7.8

Good

381 reviews

Alaska Airlines

8.0

Very good

9,688 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Copa Airlines

7.6

Good

1,617 reviews

Alaska Airlines

8.0

Very good

9,688 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What are the cheapest airlines to fly from San Francisco Bay Area to Region of Ontario one-way?
C$ 161 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Porter Airlines and Air Canada, with prices starting from C$ 177 and C$ 185, respectively.
Can I find deals for flights from San Francisco Bay Area to Ontario that include hotel bookings?
Yes. In addition to deals on San Francisco Bay Area to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco Bay Area to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco Bay Area to Ontario.
Can I find deals for business class flights from San Francisco Bay Area to Ontario?
Yes. Cheapflights offers flight deals from San Francisco Bay Area to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Francisco Bay Area to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Region of Ontario (average of C$ 167). Flying from San Francisco Bay Area to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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Direct flights to Canada

Find a return flight route from Ontario

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Top 6 airlines flying from San Francisco Bay Area to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Lynx Air	CheapestC$ 249	AverageC$ 308	FlexibilityNo cancel fee	On-timeN/A	Search Lynx Air flights
Porter Airlines	CheapestC$ 293	AverageC$ 674	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Transat	CheapestC$ 310	AverageC$ 581	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Air Canada	CheapestC$ 353	AverageC$ 875	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 402	AverageC$ 905	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
WestJet	CheapestC$ 403	AverageC$ 625	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

Fly with Cheapflights

How does Cheapflights help users find flights from San Francisco Bay Area to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco Bay Area to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Francisco Bay Area to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from San Francisco Bay Area.

Can Cheapflights find flights from San Francisco Bay Area to Ontario with no change fees?

Certainly. Search results for flights to Ontario from San Francisco Bay Area shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Cheap flights from San Francisco Bay Area to Ontario from C$ 107

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco Bay Area to Ontario

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Find flight deals from San Francisco Bay Area to Ontario

Cheapest flights from San Francisco Bay Area to OntarioExplore the most affordable flight options available from San Francisco Bay Area to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 January 2025.

Explore the most affordable flight options available from San Francisco Bay Area to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 January 2025.

Find flights from San Francisco Bay Area to Ontario within your budget

Best time to book a flight from San Francisco Bay Area to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from San Francisco Bay Area with our price prediction graph.

Travel insights for flights from San Francisco Bay Area to Ontario

Get recent, data-driven insights about flights from San Francisco Bay Area to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from San Francisco Bay Area to Region of Ontario?

What is the cheapest time of day to fly from XIH to ON?

Find hourly flight availability from San Francisco Bay Area to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 January 2025.

Weekly flight availability from San Francisco Bay Area to Region of Ontario

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from San Francisco Bay Area to Region of Ontario one-way?

Can I find deals for flights from San Francisco Bay Area to Ontario that include hotel bookings?

How can I find direct flights from San Francisco Bay Area to Ontario?

Can I find deals for business class flights from San Francisco Bay Area to Ontario?

What is the cheapest month to book a flight from San Francisco Bay Area to Region of Ontario?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco Bay Area to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from San Francisco Bay Area to Ontario

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Cheapest flights from San Francisco Bay Area to Ontario
Explore the most affordable flight options available from San Francisco Bay Area to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 January 2025.