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Cheap flights from Santa Ana, CA to Ontario from C$ 139

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — YYZ
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Santa Ana to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Santa Ana to Ontario
Explore the most affordable flight options available from Santa Ana to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 February 2026.

Mon 2/34:37 p.m.
SNA
-
YYZ
1 stop11h 06m
Multiple Airlines
Mon 9/310:00 a.m.
YYZ
-
SNA
2 stops13h 57m
Multiple Airlines
Deal found 31/1C$ 351
Mon 13/47:15 p.m.
SNA
-
YYZ
1 stop8h 28m
Multiple Airlines
Fri 17/47:55 p.m.
YYZ
-
SNA
1 stop19h 30m
Multiple Airlines
Deal found 2/2C$ 366
Fri 24/41:20 p.m.
SNA
-
YYZ
1 stop14h 23m
Multiple Airlines
Tue 28/49:45 a.m.
YYZ
-
SNA
1 stop8h 57m
Multiple Airlines
Deal found 2/2C$ 391
Fri 6/36:45 a.m.
SNA
-
YYZ
2 stops27h 55m
Multiple Airlines
Mon 9/37:55 p.m.
YYZ
-
SNA
1 stop19h 30m
Multiple Airlines
Deal found 2/2C$ 392
Fri 20/24:02 p.m.
SNA
-
YYZ
2 stops11h 56m
Multiple Airlines
Mon 23/28:00 p.m.
YYZ
-
SNA
1 stop22h 42m
Multiple Airlines
Deal found 31/1C$ 395
Thu 19/36:45 a.m.
SNA
-
YYZ
2 stops13h 50m
Multiple Airlines
Thu 26/38:00 p.m.
YYZ
-
SNA
1 stop19h 57m
Multiple Airlines
Deal found 2/2C$ 408
Mon 9/31:12 p.m.
SNA
-
YYZ
1 stop14h 31m
Multiple Airlines
Mon 16/36:30 p.m.
YYZ
-
SNA
2 stops22h 28m
Multiple Airlines
Deal found 3/2C$ 410
Sun 1/39:33 a.m.
SNA
-
YYZ
1 stop18h 10m
Multiple Airlines
Sun 8/37:55 p.m.
YYZ
-
SNA
1 stop19h 32m
Multiple Airlines
Deal found 1/2C$ 412
Tue 3/32:15 p.m.
SNA
-
YOW
2 stops31h 24m
WestJet
Tue 10/36:00 a.m.
YOW
-
SNA
1 stop10h 24m
WestJet
Deal found 2/2C$ 586
Tue 3/36:45 a.m.
SNA
-
YOW
1 stop11h 33m
United Airlines
Tue 10/35:11 p.m.
YOW
-
SNA
1 stop8h 15m
United Airlines
Deal found 2/2C$ 632
Fri 3/411:56 a.m.
SNA
-
YUL
1 stop8h 49m
Delta
Fri 10/412:42 p.m.
YUL
-
SNA
1 stop12h 30m
Delta
Deal found 1/2C$ 639
Tue 3/31:20 p.m.
SNA
-
YOW
2 stops25h 05m
Multiple Airlines
Tue 10/35:40 a.m.
YOW
-
SNA
3 stops18h 17m
Multiple Airlines
Deal found 2/2C$ 639

Find flight deals from Santa Ana to Ontario

Keep the following information in mind while searching for Santa Ana to Ontario flight deals. Data was last updated 3 February 2026.

Round-trip from

C$ 351

One-way from

C$ 139

Popular in

December

Cheapest in

June

Average price

C$ 417
2/3-9/3
  • 2/3-9/3
  • 3 total stops
  • 25h 03m total
  • Santa Ana to Ontario
Search Deals
15/4
  • 15/4
  • 3 total stops
  • 34h 21m total
  • Santa Ana to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Ana 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 3 February 2026.
Use the filters below to find and compare flights from Santa Ana to Ontario that are best for you.

Fly from

Santa Ana

Fly to

Ontario

Route

Depart

Return

Price

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Mon 2/3

8:58 a.m.-6:43 a.m.

1 stop18h 45m

Toronto Pearson Intl

Mon 9/3

7:55 p.m.-12:25 p.m.

1 stop19h 30m

C$ 356

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Mon 13/4

7:15 p.m.-6:43 a.m.

1 stop8h 28m

Toronto Pearson Intl

Fri 17/4

7:55 p.m.-12:25 p.m.

1 stop19h 30m

C$ 366

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Mon 9/3

1:12 p.m.-6:43 a.m.

1 stop14h 31m

Toronto Pearson Intl

Mon 16/3

6:30 p.m.-1:58 p.m.

2 stops22h 28m

C$ 410

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Wed 11/3

6:45 a.m.-7:55 p.m.

1 stop10h 10m

Toronto Pearson Intl

Mon 16/3

6:30 p.m.-1:58 p.m.

2 stops22h 28m

C$ 419

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Fri 6/3

6:45 a.m.-1:40 p.m.

2 stops27h 55m

Toronto Pearson Intl

Mon 9/3

12:30 p.m.-8:57 p.m.

2 stops35h 27m

C$ 518

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Fri 20/2

4:02 p.m.-6:43 a.m.

1 stop11h 41m

Toronto Pearson Intl

Mon 23/2

8:00 p.m.-12:25 p.m.

1 stop19h 25m

C$ 533

Santa AnaOttawa

SNA - YOW

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Tue 3/3

2:15 p.m.-12:39 a.m.

2 stops31h 24m

Ottawa

Tue 10/3

6:00 a.m.-1:24 p.m.

1 stop10h 24m

C$ 586

Santa AnaOttawa

SNA - YOW

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Tue 3/3

6:45 a.m.-9:18 p.m.

1 stop11h 33m

Ottawa

Tue 10/3

5:11 p.m.-10:26 p.m.

1 stop8h 15m

C$ 632

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Fri 3/4

11:56 a.m.-11:45 p.m.

1 stop8h 49m

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

12:42 p.m.-10:12 p.m.

1 stop12h 30m

C$ 639

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Sun 5/4

9:20 p.m.-11:37 a.m.

1 stop11h 17m

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

12:42 p.m.-10:12 p.m.

1 stop12h 30m

C$ 639

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 results
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Best time to book a flight from Santa Ana to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Santa Ana 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 Santa Ana to Ontario

What is the cheapest month to book a flight from Santa Ana, California to Region of Ontario?

Currently, June is the cheapest month in which you can book a flight from Santa Ana, California to Region of Ontario (average of C$ 101). Flying from Santa Ana, California to Region of Ontario in December is currently the most expensive (average of C$ 257). 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.

Related info for your journey

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

  • What airport do you fly from for flights from Santa Ana to Ontario?

    If you book a flight to Ontario from Santa Ana, you will be flying from J. Wayne/Orange Cnty, which is the city’s only airport. Santa Ana J. Wayne/Orange Cnty (SNA) is located 7.7 km from the centre of Santa Ana.

  • How long is the flight from Santa Ana, California to Region of Ontario?

    For as low as C$ 639, WestJet can have you in Region of Ontario from Santa Ana, California in 8h 49m. Santa Ana, California and Region of Ontario are separated by a distance of 3943 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Santa Ana, California to Region of Ontario one-way?

    The cheapest airlines for a one-way flight from Santa Ana, California to Region of Ontario are Air Canada (C$ 188), Delta (C$ 194), and American Airlines (C$ 227).

  • What are the most popular routes from Santa Ana, California to Region of Ontario?

    When deciding which route to take from Santa Ana, California to Region of Ontario consider Santa Ana J. Wayne/Orange Cnty - Toronto Pearson Intl, Santa Ana J. Wayne/Orange Cnty - Montreal Pierre Elliott Trudeau Intl or Santa Ana J. Wayne/Orange Cnty - Ottawa as they are the most popular.

  • Can I find deals for flights from Santa Ana to Ontario that include hotel bookings?

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

  • How can I find direct flights from Santa Ana to Ontario?

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

  • Can I find deals for business class flights from Santa Ana to Ontario?

    Yes. Cheapflights offers flight deals from Santa Ana 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 Santa Ana, California to Region of Ontario?

    Currently, June is the cheapest month in which you can book a flight from Santa Ana, California to Region of Ontario (average of C$ 101). Flying from Santa Ana, California to Region of Ontario in December is currently the most expensive (average of C$ 257). 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

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