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Cheap flights from Santa Ana, CA to Ontario from C$ 180

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — YYZ
4 Jun — 11 Jun1
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 5 May 2026.

Tue 22/93:02 p.m.
SNA
-
YYZ
1 stop12h 58m
United Airlines
Wed 23/910:45 a.m.
YYZ
-
SNA
1 stop14h 05m
United Airlines
Deal found 1/5C$ 418
Sat 19/96:45 a.m.
SNA
-
YYZ
1 stop8h 11m
United Airlines
Wed 23/96:10 a.m.
YYZ
-
SNA
1 stop8h 07m
United Airlines
Deal found 1/5C$ 450
Sat 19/96:50 a.m.
SNA
-
YYZ
1 stop11h 42m
United Airlines
Sat 26/95:16 p.m.
YYZ
-
SNA
1 stop18h 45m
United Airlines
Deal found 30/4C$ 452
Wed 16/97:00 p.m.
SNA
-
YYZ
2 stops11h 19m
United Airlines
Wed 23/96:30 a.m.
YYZ
-
SNA
1 stop8h 36m
United Airlines
Deal found 1/5C$ 464
Wed 16/91:15 p.m.
SNA
-
YYZ
2 stops13h 26m
Air Canada
Mon 28/910:25 p.m.
YYZ
-
SNA
1 stop16h 53m
Air Canada
Deal found 3/5C$ 465
Fri 18/912:20 p.m.
SNA
-
YYZ
1 stop8h 44m
Delta
Thu 24/91:30 p.m.
YYZ
-
SNA
1 stop11h 44m
Delta
Deal found 1/5C$ 468
Wed 16/91:15 p.m.
SNA
-
YYZ
1 stop13h 14m
Air Canada
Wed 23/910:25 p.m.
YYZ
-
SNA
1 stop16h 53m
Air Canada
Deal found 2/5C$ 483
Thu 28/57:45 a.m.
SNA
-
YYZ
1 stop13h 09m
Multiple Airlines
Thu 4/610:00 a.m.
YYZ
-
SNA
1 stop10h 00m
Multiple Airlines
Deal found 30/4C$ 488
Thu 28/57:30 a.m.
SNA
-
YYZ
1 stop13h 24m
Multiple Airlines
Wed 3/69:00 a.m.
YYZ
-
SNA
2 stops30h 19m
Multiple Airlines
Deal found 2/5C$ 490
Tue 7/73:11 p.m.
SNA
-
YYZ
1 stop18h 26m
American Airlines
Tue 14/76:18 p.m.
YYZ
-
SNA
1 stop17h 01m
American Airlines
Deal found 1/5C$ 491
Sat 1/810:20 a.m.
SNA
-
YYZ
1 stop8h 12m
United Airlines
Sat 22/810:45 a.m.
YYZ
-
SNA
1 stop7h 19m
United Airlines
Deal found 30/4C$ 492
Sat 22/81:34 p.m.
SNA
-
YUL
1 stop22h 10m
American Airlines
Sat 5/95:35 p.m.
YUL
-
SNA
1 stop19h 56m
American Airlines
Deal found 2/5C$ 531

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 5 May 2026.

Round-trip from

C$ 418

One-way from

C$ 180

Popular in

December

Cheapest in

September

Average price

C$ 445
United Airlines
  • United Airlines
  • 22/9-23/9
  • 2 total stops
  • 27h 03m total
  • Santa Ana to Ontario
Search Deals
United Airlines
  • United Airlines
  • 21/10
  • 1 total stop
  • 7h 30m total
  • Santa Ana to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 58 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 May 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 5 May 2026.
Use the filters below to find and compare flights from Santa Ana to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Fri 21/8

9:14 p.m.-1:43 p.m.

1 stop13h 29m

Toronto Pearson Intl

Sat 29/8

6:10 a.m.-8:51 p.m.

2 stops17h 41m

C$ 499

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Sat 22/8

2:10 p.m.-11:59 p.m.

1 stop6h 49m

Toronto Pearson Intl

Sat 29/8

5:15 p.m.-9:15 a.m.

2 stops19h 00m

C$ 499

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Sat 22/8

1:34 p.m.-2:44 p.m.

1 stop22h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

7:29 a.m.-3:32 p.m.

2 stops11h 03m

C$ 544
Quickest round-trip

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Fri 29/5

12:45 p.m.-11:14 p.m.

1 stop7h 29m

Toronto Pearson Intl

Fri 5/6

5:45 p.m.-9:54 p.m.

1 stop7h 09m

C$ 558

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Wed 15/7

7:15 a.m.-11:40 p.m.

2 stops13h 25m

Montreal Pierre Elliott Trudeau Intl

Fri 24/7

12:44 p.m.-10:25 p.m.

1 stop12h 41m

C$ 565

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Fri 3/7

7:15 a.m.-11:42 p.m.

2 stops13h 27m

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

12:44 p.m.-10:25 p.m.

1 stop12h 41m

C$ 565

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Tue 26/5

9:14 p.m.-9:19 a.m.

1 stop9h 05m

Toronto Pearson Intl

Sat 30/5

10:45 a.m.-2:56 p.m.

1 stop7h 11m

C$ 567

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Wed 27/5

6:20 p.m.-9:54 a.m.

2 stops12h 34m

Toronto Pearson Intl

Fri 29/5

5:15 p.m.-9:07 a.m.

2 stops18h 52m

C$ 589

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Thu 14/5

6:45 a.m.-9:55 p.m.

1 stop12h 10m

Toronto Pearson Intl

Sat 23/5

5:45 p.m.-9:54 p.m.

1 stop7h 09m

C$ 615

Santa AnaToronto

SNA - YYZ

SNAYYZ

Santa Ana J. Wayne/Orange Cnty

Mon 25/5

6:45 a.m.-9:55 p.m.

1 stop12h 10m

Toronto Pearson Intl

Sat 30/5

1:34 p.m.-10:29 p.m.

1 stop11h 55m

C$ 615

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Santa Ana, California to Region of Ontario (average of C$ 135). Flying from Santa Ana, California to Region of Ontario in December is currently the most expensive (average of C$ 566). 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.

How much does it cost to fly round-trip from Santa Ana, California to Region of Ontario?

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$ 558, United Airlines can have you in Region of Ontario from Santa Ana, California in 7h 29m. Santa Ana, California and Region of Ontario are separated by a distance of 3463 km. This flight may include one or multiple stops.

  • 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 - Toronto Island or Santa Ana J. Wayne/Orange Cnty - Montreal Pierre Elliott Trudeau Intl 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, September is the cheapest month in which you can book a flight from Santa Ana, California to Region of Ontario (average of C$ 135). Flying from Santa Ana, California to Region of Ontario in December is currently the most expensive (average of C$ 566). 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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