Find flights
When to book
Airlines
FAQs

Cheap flights from Orange County to Ontario from C$ 151

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — YYZ
6 Apr — 13 Apr1
1 adult

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 1 April 2025.

Round-trip from

C$ 380

One-way from

C$ 151

Popular in

December

Cheapest in

September

Average price

C$ 517
Air Canada
  • Air Canada
  • 17/5-23/5
  • 2 total stops
  • 28h 05m total
  • Orange County to Ontario
Search Deals
8/4
  • 8/4
  • 1 total stop
  • 11h 22m total
  • Orange County to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 52 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 April 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 1 April 2025.

Thu 8/56:45 a.m.SNA - YYZ
2 stops14h 39mMultiple Airlines
Sun 11/59:45 a.m.YYZ - SNA
1 stop28h 07mMultiple Airlines
Deal found 31/3C$ 367
Sat 17/512:50 p.m.SNA - YKF
1 stop8h 56mWestJet
Sun 25/56:00 a.m.YKF - SNA
1 stop8h 59mWestJet
Deal found 31/3C$ 421
Thu 21/812:50 p.m.SNA - YHM
1 stop8h 51mWestJet
Thu 28/86:00 a.m.YHM - SNA
1 stop8h 59mWestJet
Deal found 30/3C$ 446
Tue 24/612:50 p.m.SNA - YYZ
1 stop8h 34mWestJet
Wed 9/75:00 p.m.YYZ - SNA
1 stop21h 59mWestJet
Deal found 31/3C$ 446
Sun 24/86:56 p.m.SNA - YYZ
2 stops14h 05mUnited Airlines
Mon 25/84:00 p.m.YYZ - SNA
1 stop9h 15mUnited Airlines
Deal found 30/3C$ 449
Wed 14/56:45 a.m.SNA - YTZ
3 stops33h 42mMultiple Airlines
Wed 21/57:00 a.m.YTZ - SNA
2 stops17h 17mMultiple Airlines
Deal found 30/3C$ 454
Sat 17/52:15 p.m.SNA - YYZ
1 stop6h 43mAir Canada
Sun 25/56:30 a.m.YYZ - SNA
1 stop9h 02mAir Canada
Deal found 31/3C$ 461
Thu 29/56:50 a.m.SNA - YUL
1 stop13h 36mUnited Airlines
Mon 2/68:05 a.m.YUL - SNA
1 stop17h 07mUnited Airlines
Deal found 31/3C$ 479
Thu 26/69:30 p.m.SNA - YYZ
1 stop11h 40mDelta
Mon 7/71:20 p.m.YYZ - SNA
1 stop11h 47mDelta
Deal found 31/3C$ 487
Wed 20/86:56 p.m.SNA - YOW
2 stops12h 28mAir Canada
Sun 24/89:55 p.m.YOW - SNA
1 stop17h 34mAir Canada
Deal found 30/3C$ 492
Thu 15/512:50 p.m.SNA - YOW
1 stop8h 51mWestJet
Sat 17/56:10 a.m.YOW - SNA
2 stops32h 49mWestJet
Deal found 31/3C$ 501
Thu 29/512:50 p.m.SNA - YUL
1 stop8h 53mWestJet
Mon 2/66:45 a.m.YUL - SNA
2 stops32h 14mWestJet
Deal found 31/3C$ 511

Cheapflights Fare Finder

Customize your flight search to find flights from Orange County to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 1 April 2025.
Use the filters below to find and compare flights from Orange County to Ontario that are best for you.

Fly from

Orange County

Fly to

Ontario

Route

Depart

Return

Price

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Sat 17/5

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

1 stop8h 53m

Montreal Pierre Elliott Trudeau Intl

Fri 23/5

6:20 p.m.-10:32 a.m.

1 stop19h 12m

C$ 380

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Wed 14/5

6:45 a.m.-7:59 p.m.

1 stop10h 14m

Toronto Pearson Intl

Wed 21/5

6:55 a.m.-9:17 p.m.

2 stops17h 22m

C$ 402

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Sat 17/5

1:35 p.m.-7:10 a.m.

2 stops14h 35m

Montreal Pierre Elliott Trudeau Intl

Fri 23/5

6:20 p.m.-10:32 a.m.

1 stop19h 12m

C$ 406

Santa AnaToronto

SNA - YKF

SNAYKF

Santa Ana J. Wayne/Orange Cnty

Sat 17/5

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

1 stop8h 56m

Toronto Region of Waterloo Intl

Sun 25/5

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

1 stop8h 59m

C$ 421

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Tue 1/7

6:13 p.m.-7:00 a.m.

1 stop9h 47m

Toronto Pearson Intl

Wed 2/7

10:30 a.m.-8:47 p.m.

1 stop13h 17m

C$ 435

Santa AnaHamilton

SNA - YHM

SNAYHM

Santa Ana J. Wayne/Orange Cnty

Thu 21/8

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

1 stop8h 51m

Hamilton

Thu 28/8

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

1 stop8h 59m

C$ 446

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Tue 24/6

12:50 p.m.-12:24 a.m.

1 stop8h 34m

Toronto Pearson Intl

Wed 9/7

10:25 p.m.-11:59 a.m.

1 stop16h 34m

C$ 446

Santa AnaToronto

SNA - YTZ

SNAYTZ

Santa Ana J. Wayne/Orange Cnty

Wed 14/5

6:45 a.m.-7:27 p.m.

3 stops33h 42m

Toronto Island

Wed 21/5

7:00 a.m.-9:17 p.m.

2 stops17h 17m

C$ 454

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Tue 13/5

1:20 p.m.-10:48 p.m.

1 stop6h 28m

Toronto Pearson Intl

Sun 18/5

6:30 a.m.-12:32 p.m.

1 stop9h 02m

C$ 461

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Sun 25/5

6:12 p.m.-8:24 a.m.

1 stop11h 12m

Montreal Pierre Elliott Trudeau Intl

Tue 3/6

8:20 a.m.-10:07 p.m.

1 stop16h 47m

C$ 479

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/3

Showing 1-10 of 49 results
1
2
3
...
5

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.

Cheapflights Insights

Everything you need to know about your flight from Orange County to Ontario

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

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

Plan your trip to Ontario by taking into account the average temperature totals 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 insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 1 April 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines 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.
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

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
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

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
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

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
Hawaiian Airlines
7.9
Good
2,342 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

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
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

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
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

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

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?

    The cheapest airlines for a one-way flight from Orange County to Region of Ontario are WestJet (C$ 174), United Airlines (C$ 198), and Air Canada (C$ 200).

  • 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

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.
Los Angeles to Vancouver Intl flights
San Francisco to Vancouver Intl flights
Los Angeles to Pearson Intl flights
San Francisco to Pearson Intl flights
Sacramento to Vancouver Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Los Angeles to Calgary flights
San Diego to Vancouver Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
San Francisco to Calgary flights
Santa Ana to Vancouver Intl flights
Ontario to Vancouver Intl flights
San Diego to Pearson Intl flights
San Diego to Calgary flights
San Francisco to Abbotsford flights
Las Vegas to Vancouver Intl flights
Ontario to Pearson Intl flights
Las Vegas to Pearson Intl flights
Ontario to Calgary flights
San Francisco to Edmonton flights
San Jose to Vancouver Intl flights
Los Angeles to Toronto Island flights
Los Angeles to Abbotsford flights
San Jose to Pearson Intl flights
Santa Ana to Calgary flights
Oakland to Pearson Intl flights
Sacramento to Pearson Intl flights
San Francisco to Toronto Island flights
Burbank to Vancouver Intl flights
Oakland to Vancouver Intl flights
Los Angeles to Edmonton flights
Palm Springs to Vancouver Intl flights
Las Vegas to Calgary flights
Los Angeles to Region of Waterloo Intl flights
Ontario to Pierre Elliott Trudeau Intl flights
San Diego to Pierre Elliott Trudeau Intl flights
Santa Ana to Pearson Intl flights
Sacramento to Abbotsford flights
Los Angeles to Halifax flights
Las Vegas to Pierre Elliott Trudeau Intl flights
San Jose to Calgary flights
Sacramento to Calgary flights
Burbank to Calgary flights
Las Vegas to Abbotsford flights
Palm Springs to Pearson Intl flights
Burbank to Pearson Intl flights
San Francisco to Ottawa flights
San Francisco to Halifax flights
San Francisco to Victoria flights

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?

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.