What are the cheapest airlines to fly from Orange County to Region of Ontario one-way?

The cheapest airlines for a one-way flight from Orange County to Region of Ontario are American Airlines (C$ 203), WestJet (C$ 209), and Delta (C$ 226).

How far in advance should I book a flight from Orange County to Region of Ontario?

Users have found that booking a flight from Orange County to Region of Ontario at least 47 days early can save you up to 68% on average compared to booking a flight this week. If booking 47 days before your flight isn’t an option for you, users have found flights from Orange County to Region of Ontario for as little as C$ 368 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 658 for flights departing within the next 3 days.

What is the cheapest month to fly from Orange County to Region of Ontario?

Flights from Orange County to Region of Ontario lean towards being more expensive in December. Prices are generally better when you fly from Orange County to Region of Ontario in September, with the cheapest ticket starting at C$ 169.

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

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

Can I find deals for flights from Orange County to Ontario that include hotel bookings?

Yes. In addition to deals on Orange County to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Orange County to Ontario?

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

Can I find deals for business class flights from Orange County to Ontario?

Yes. Cheapflights offers flight deals from Orange County 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$ 128+ Flights from Orange County to Ontario

Cheap flight deals from Orange County to Ontario

Round-trip from	C$ 281
One-way from	C$ 155
Popular in	December
Cheapest in	September
Average price	C$ 430

3/4-8/4
2 total stops
28h 07m total
Orange County to Ontario

Search Deals

26/2
2 total stops
17h 45m total
Orange County to Ontario

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (C$ 47 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from Orange County to Ontario

Cheapest flights from Orange County to Ontario
Explore the most affordable flight options available from Orange County to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Tue 8/43:33 p.m.SNA - YYZ

1 stop12h 10mMultiple Airlines

Mon 14/48:00 p.m.YYZ - SNA

1 stop16h 45mMultiple Airlines

Deal found 19/2C$ 274

Tue 27/512:50 p.m.SNA - YKF

1 stop8h 56mWestJet

Sat 7/66:00 a.m.YKF - SNA

1 stop8h 59mWestJet

Deal found 20/2C$ 436

Sun 30/38:45 a.m.SNA - YYZ

1 stop11h 05mAmerican Airlines

Mon 31/36:15 a.m.YYZ - SNA

1 stop9h 29mAmerican Airlines

Deal found 19/2C$ 483

Thu 29/512:50 p.m.SNA - YHM

1 stop8h 51mWestJet

Thu 5/66:00 a.m.YHM - SNA

1 stop8h 59mWestJet

Deal found 20/2C$ 487

Wed 19/33:33 p.m.SNA - YOW

2 stops13h 44mMultiple Airlines

Wed 26/36:10 p.m.YOW - SNA

1 stop30h 18mMultiple Airlines

Deal found 19/2C$ 496

Tue 11/38:00 a.m.SNA - YUL

2 stops20h 45mUnited Airlines

Wed 12/311:08 a.m.YUL - SNA

1 stop9h 44mUnited Airlines

Deal found 19/2C$ 497

Mon 10/36:45 a.m.SNA - YUL

3 stops33h 15mMultiple Airlines

Wed 12/31:30 p.m.YUL - SNA

3 stops23h 27mMultiple Airlines

Deal found 19/2C$ 506

Mon 9/69:20 p.m.SNA - YYZ

1 stop10h 09mDelta

Mon 16/65:50 p.m.YYZ - SNA

1 stop7h 02mDelta

Deal found 20/2C$ 516

Sat 5/44:51 p.m.SNA - YUL

1 stop19h 04mAmerican Airlines

Sat 12/43:44 p.m.YUL - SNA

1 stop20h 50mAmerican Airlines

Deal found 18/2C$ 517

Fri 13/69:20 p.m.SNA - YUL

1 stop11h 26mDelta

Thu 19/612:45 p.m.YUL - SNA

1 stop12h 22mDelta

Deal found 20/2C$ 520

Sat 7/64:02 p.m.SNA - YYZ

2 stops14h 56mUnited Airlines

Wed 18/66:30 a.m.YYZ - SNA

1 stop8h 42mUnited Airlines

Deal found 20/2C$ 523

Mon 10/312:30 p.m.SNA - YYZ

1 stop9h 27mAir Canada

Wed 12/35:30 p.m.YYZ - SNA

1 stop7h 55mAir Canada

Deal found 18/2C$ 526

Best flights from Orange County to Ontario
Discover carefully curated flight deals from Orange County to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 20 February 2025.

Thu 3/43:33 p.m.SNA - YYZ

1 stop11h 22mMultiple Airlines

Tue 8/48:00 p.m.YYZ - SNA

1 stop16h 45mMultiple Airlines

Deal found 19/2C$ 281

Tue 27/512:50 p.m.SNA - YKF

1 stop8h 56mWestJet

Sat 7/66:00 a.m.YKF - SNA

1 stop8h 59mWestJet

Deal found 20/2C$ 436

Wed 2/412:00 p.m.SNA - YYZ

1 stop8h 58mDelta

Mon 7/46:30 a.m.YYZ - SNA

1 stop8h 37mDelta

Deal found 20/2C$ 483

Tue 11/38:00 a.m.SNA - YUL

2 stops20h 45mUnited Airlines

Wed 12/311:08 a.m.YUL - SNA

1 stop9h 44mUnited Airlines

Deal found 19/2C$ 497

Sat 5/44:51 p.m.SNA - YUL

1 stop19h 04mAmerican Airlines

Sat 12/43:44 p.m.YUL - SNA

1 stop20h 50mAmerican Airlines

Deal found 18/2C$ 517

Wed 9/412:30 p.m.SNA - YYZ

1 stop9h 29mAir Canada

Sat 12/46:30 a.m.YYZ - SNA

1 stop8h 48mAir Canada

Deal found 20/2C$ 526

Fri 21/36:45 a.m.SNA - YYZ

1 stop29h 10mAlaska Airlines

Mon 24/34:20 p.m.YYZ - SNA

1 stop9h 10mAlaska Airlines

Deal found 20/2C$ 707

Thu 13/37:35 p.m.SNA - YUL

2 stops14h 55mBritish Airways

Wed 19/37:14 a.m.YUL - SNA

2 stops13h 48mBritish Airways

Deal found 19/2C$ 712

Thu 13/39:30 p.m.SNA - YUL

1 stop11h 05mKLM

Wed 19/312:40 p.m.YUL - SNA

1 stop10h 07mKLM

Deal found 19/2C$ 788

Thu 24/46:50 a.m.SNA - YOW

2 stops11h 45mLufthansa

Fri 25/45:25 p.m.YOW - SNA

1 stop7h 52mLufthansa

Deal found 20/2C$ 847

Thu 29/512:50 p.m.SNA - YHM

1 stop8h 51mWestJet

Thu 5/66:00 a.m.YHM - SNA

1 stop8h 59mWestJet

Deal found 20/2C$ 487

Wed 19/33:33 p.m.SNA - YOW

2 stops13h 44mMultiple Airlines

Wed 26/36:10 p.m.YOW - SNA

1 stop30h 18mMultiple Airlines

Deal found 19/2C$ 496

Last-minute flights from Orange County to Ontario
Discover last-minute flight deals from Orange County to Ontario. Data last updated 20 February 2025 and is based on user searches.

Mon 24/21:10 p.m.SNA - YYZ

1 stop6h 57mDelta

Thu 27/22:45 p.m.YYZ - SNA

1 stop8h 55mDelta

Deal found 19/2C$ 544

Tue 25/21:13 p.m.SNA - YUL

1 stop7h 39mDelta

Mon 26/512:45 p.m.YUL - SNA

1 stop12h 38mDelta

Deal found 20/2C$ 550

Tue 25/22:46 p.m.SNA - YUL

3 stops30h 53mMultiple Airlines

Mon 26/56:20 p.m.YUL - SNA

2 stops20h 39mMultiple Airlines

Deal found 20/2C$ 634

Tue 25/25:00 p.m.LGB - YYZ

2 stops15h 15mDelta

Mon 3/35:00 p.m.YYZ - LGB

1 stop7h 44mDelta

Deal found 20/2C$ 1,690

Tue 25/28:40 a.m.SNA - YUL

3 stops20h 20mUnited Airlines

Mon 26/55:45 a.m.YUL - SNA

2 stops34h 59mUnited Airlines

Deal found 20/2C$ 1,785

Tue 25/27:40 a.m.LGB - YYZ

2 stops28h 15mAlaska Airlines

Mon 3/34:20 p.m.YYZ - LGB

3 stops30h 25mAlaska Airlines

Deal found 20/2C$ 2,449

Wed 26/21:20 p.m.SNA - YKF

1 stop8h 56mWestJet

Mon 3/36:30 a.m.YKF - SNA

1 stop9h 05mWestJet

Deal found 19/2C$ 2,310

Thu 27/21:37 p.m.SNA - YYZ

1 stop18h 14mAmerican Airlines

Sun 2/36:15 a.m.YYZ - SNA

1 stop7h 38mAmerican Airlines

Deal found 20/2C$ 544

Thu 27/26:45 a.m.SNA - YYZ

2 stops27h 08mMultiple Airlines

Sun 2/39:45 a.m.YYZ - SNA

1 stop32h 07mMultiple Airlines

Deal found 20/2C$ 547

Sat 1/39:00 p.m.SNA - YUL

1 stop11h 59mAir Canada

Tue 1/48:05 a.m.YUL - SNA

1 stop12h 07mAir Canada

Deal found 18/2C$ 588

Mon 10/36:45 a.m.SNA - YUL

3 stops33h 15mMultiple Airlines

Wed 12/31:30 p.m.YUL - SNA

3 stops23h 27mMultiple Airlines

Deal found 19/2C$ 506

Mon 10/312:30 p.m.SNA - YYZ

1 stop9h 27mAir Canada

Wed 12/35:30 p.m.YYZ - SNA

1 stop7h 55mAir Canada

Deal found 18/2C$ 526

One-way flights from Orange County to Ontario
Search for one-way flight options from Orange County to Ontario. Find affordable one-way fares based on user searches. Data last updated 20 February 2025.

Wed 26/29:10 a.m.SNA - YYZ

2 stops17h 45mMultiple Airlines

Deal found 20/2C$ 155

Wed 26/29:10 a.m.SNA - YTZ

3 stops33h 20mMultiple Airlines

Deal found 20/2C$ 196

Sat 26/42:28 p.m.SNA - YYZ

1 stop17h 22mAmerican Airlines

Deal found 20/2C$ 203

Thu 5/612:50 p.m.SNA - YOW

2 stops13h 40mWestJet

Deal found 19/2C$ 209

Sun 22/612:50 p.m.SNA - YHM

1 stop8h 51mWestJet

Deal found 20/2C$ 213

Fri 18/43:23 p.m.SNA - YUL

1 stop17h 21mAmerican Airlines

Deal found 19/2C$ 217

Wed 5/31:20 p.m.SNA - YKF

1 stop8h 56mWestJet

Deal found 19/2C$ 220

Fri 18/47:05 a.m.SNA - YUL

2 stops13h 24mDelta

Deal found 20/2C$ 226

Wed 2/410:49 a.m.SNA - YYZ

1 stop6h 55mUnited Airlines

Deal found 20/2C$ 227

Wed 2/41:20 p.m.SNA - YYZ

2 stops25h 43mWestJet

Deal found 20/2C$ 257

Tue 10/67:15 p.m.SNA - YYZ

1 stop8h 41mAir Canada

Deal found 20/2C$ 260

Thu 15/512:50 p.m.SNA - YUL

1 stop8h 53mWestJet

Deal found 19/2C$ 267

Find flights from Orange County to Ontario within your budget

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Thu 3/4

3:33 p.m.-5:55 a.m.

1 stop11h 22m

Toronto Pearson Intl

Tue 8/4

8:00 p.m.-9:45 a.m.

1 stop16h 45m

C$ 281

Santa AnaToronto

SNA - YKF

SNAYKF

Santa Ana J. Wayne/Orange Cnty

Tue 27/5

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

1 stop8h 56m

Toronto Region of Waterloo Intl

Sat 7/6

6:00 a.m.-11:59 a.m.

1 stop8h 59m

C$ 436

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Wed 2/4

12:00 p.m.-11:58 p.m.

1 stop8h 58m

Toronto Pearson Intl

Mon 7/4

6:30 a.m.-12:07 p.m.

1 stop8h 37m

C$ 483

Santa AnaHamilton

SNA - YHM

SNAYHM

Santa Ana J. Wayne/Orange Cnty

Thu 29/5

12:50 p.m.-12:41 a.m.

1 stop8h 51m

Hamilton

Thu 5/6

6:00 a.m.-11:59 a.m.

1 stop8h 59m

C$ 487

Santa AnaOttawa

SNA - YOW

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Wed 19/3

3:33 p.m.-8:17 a.m.

2 stops13h 44m

Ottawa

Wed 26/3

6:10 p.m.-9:28 p.m.

1 stop30h 18m

C$ 496

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Tue 11/3

8:00 a.m.-7:45 a.m.

2 stops20h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

11:08 a.m.-5:52 p.m.

1 stop9h 44m

C$ 497

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Mon 10/3

6:45 a.m.-7:00 p.m.

3 stops33h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

1:30 p.m.-9:57 a.m.

3 stops23h 27m

C$ 506

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Sat 5/4

4:51 p.m.-2:55 p.m.

1 stop19h 04m

Montreal Pierre Elliott Trudeau Intl

Sat 12/4

3:44 p.m.-9:34 a.m.

1 stop20h 50m

C$ 517

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Sat 7/6

4:02 p.m.-11:49 a.m.

2 stops16h 47m

Toronto Pearson Intl

Fri 20/6

5:15 p.m.-10:07 p.m.

1 stop7h 52m

C$ 523

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Wed 9/4

12:30 p.m.-12:59 a.m.

1 stop9h 29m

Toronto Pearson Intl

Sat 12/4

6:30 a.m.-12:18 p.m.

1 stop8h 48m

C$ 526

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 47 results

...

Best time to book a flight from Orange County to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Orange County 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 Orange County to Ontario

Get recent, data-driven insights about flights from Orange County to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Orange County to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Orange County to Region of Ontario (average of C$ 167). Flying from Orange County 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.

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 ANA, Alaska Airlines and Delta from Orange County to Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very good

842 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

ANA

8.4

Very good

842 reviews

ANA

8.4

Very good

842 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Alaska Airlines

8.0

Very good

9,692 reviews

ANA

8.4

Very good

842 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Delta

8.0

Very good

8,220 reviews

ANA

8.4

Very good

842 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

KLM

7.8

Good

1,333 reviews

ANA

8.4

Very good

842 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

United Airlines

7.4

Good

8,766 reviews

ANA

8.4

Very good

842 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Related info for your journey

What are the cheapest airlines to fly from Orange County to Region of Ontario one-way?
The cheapest airlines for a one-way flight from Orange County to Region of Ontario are American Airlines (C$ 203), WestJet (C$ 209), and Delta (C$ 226).
Can I find deals for flights from Orange County to Ontario that include hotel bookings?
Yes. In addition to deals on Orange County to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Orange County to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to Ontario.
Can I find deals for business class flights from Orange County to Ontario?
Yes. Cheapflights offers flight deals from Orange County 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 Orange County to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Orange County to Region of Ontario (average of C$ 167). Flying from Orange County 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

Alternative routes for Orange County to Ontario

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Complete your trip

Region of Ontario car rentals

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Direct flights to Canada

Find a return flight route from Ontario

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Fly with Cheapflights

How does Cheapflights help users find flights from Orange County to Ontario?

Cheapflights helps you search for flights from Orange County to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Orange County to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Orange County by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Orange County to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Orange County? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Orange County to Ontario become cheaper?

Not ready to book yet? You can track prices for flights from Orange County to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Orange County to Ontario from C$ 128

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Orange County to Ontario

Keep the following information in mind while searching for Orange County to Ontario flight deals. Data was last updated 20 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Orange County to Ontario

Cheapest flights from Orange County to OntarioExplore the most affordable flight options available from Orange County to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Explore the most affordable flight options available from Orange County to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Find flights from Orange County to Ontario within your budget

Best time to book a flight from Orange County to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Orange County with our price prediction graph.

Travel insights for flights from Orange County to Ontario

Get recent, data-driven insights about flights from Orange County to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Orange County 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

Get a feel of what it's like to fly with ANA, Alaska Airlines and Delta from Orange County to Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Orange County 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 Orange County to Region of Ontario one-way?

Can I find deals for flights from Orange County to Ontario that include hotel bookings?

How can I find direct flights from Orange County to Ontario?

Can I find deals for business class flights from Orange County to Ontario?

What is the cheapest month to book a flight from Orange County to Region of Ontario?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Orange County to Ontario

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Orange County to Ontario?

Why should you use Cheapflights to find cheap flight tickets from Orange County to Ontario?

Can Cheapflights find flights from Orange County to Ontario with no change fees?

Can Cheapflights notify me if prices for flights from Orange County to Ontario become cheaper?

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Cheapest flights from Orange County to Ontario
Explore the most affordable flight options available from Orange County to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.