HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$100+ Cheap flights from Santa Ana, CA (SNA) to Ontario

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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — YYZ
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Ana to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 November 26, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$238
(Kiwi.com)

One-way from

$100
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$379
Provider with most accurate pricing for Los Angeles-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Toronto (YTO) flights.
Search Deals
From Santa Ana J. Wayne/Orange Cnty to Ontario
Search Deals
One-way flight from Santa Ana J. Wayne/Orange Cnty to Ontario
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Santa Ana to Ontario

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 November 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:34 pmSNA - YYZ
2 stops26h 52mMultiple Airlines
Mon 12/158:00 pmYYZ - SNA
1 stop17h 44mMultiple Airlines
Deal found 11/25$249
This Kiwi.com deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:57 pmSNA - YYZ
1 stop7h 50mMultiple Airlines
Sun 1/48:00 pmYYZ - SNA
1 stop17h 16mMultiple Airlines
Deal found 11/25$253
This Kiwi.com deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:34 pmSNA - YYZ
2 stops26h 52mMultiple Airlines
Sun 12/148:00 pmYYZ - SNA
1 stop24h 39mMultiple Airlines
Deal found 11/25$255
This Kiwi.com deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:19 pmSNA - YYZ
1 stop21h 13mMultiple Airlines
Mon 12/158:00 pmYYZ - SNA
1 stop17h 44mMultiple Airlines
Deal found 11/25$258
This Kiwi.com deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:15 pmSNA - YYZ
2 stops12h 43mMultiple Airlines
Sun 12/148:00 pmYYZ - SNA
1 stop24h 39mMultiple Airlines
Deal found 11/25$263
This Mytrip deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:39 amSNA - YUL
3 stops34h 06mMultiple Airlines
Sun 12/2110:15 amYUL - SNA
2 stops27h 01mMultiple Airlines
Deal found 11/24$566
This oojo deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:15 pmSNA - YUL
1 stop13h 50mWestJet
Sat 12/136:45 amYUL - SNA
2 stops33h 40mWestJet
Deal found 11/24$568
This oojo deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:15 pmSNA - YUL
1 stop13h 50mWestJet
Mon 12/157:30 pmYUL - SNA
1 stop20h 55mWestJet
Deal found 11/25$583
This United Airlines deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:45 amSNA - YUL
1 stop11h 32mUnited Airlines
Tue 1/69:15 amYUL - SNA
2 stops15h 03mUnited Airlines
Deal found 11/26$586
This Mytrip deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:45 amSNA - YUL
2 stops14h 50mMultiple Airlines
Sun 12/217:30 pmYUL - SNA
2 stops29h 57mMultiple Airlines
Deal found 11/25$661
This United Airlines deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:00 amSNA - YUL
1 stop6h 58mUnited Airlines
Sun 12/215:50 pmYUL - SNA
1 stop18h 19mUnited Airlines
Deal found 11/25$689
This oojo deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:15 pmSNA - YKF
1 stop12h 13mWestJet
Tue 12/166:20 amYKF - SNA
1 stop10h 05mWestJet
Deal found 11/25$742

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 2,558,603 searches. Data last updated November 26, 2025.
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

Tue 2/17

2:15 pm-5:23 pm

2 stops24h 08m

Toronto Pearson Intl

Sun 2/22

6:30 am-1:24 pm

1 stop9h 54m

$301

Santa AnaToronto

SNA - YKF

SNAYKF

Santa Ana J. Wayne/Orange Cnty

Sat 5/16

12:50 pm-12:45 am

1 stop8h 55m

Toronto Region of Waterloo Intl

Sat 5/23

6:00 am-11:59 am

1 stop8h 59m

$306

Santa AnaHamilton

SNA - YHM

SNAYHM

Santa Ana J. Wayne/Orange Cnty

Sat 5/16

12:50 pm-12:40 am

1 stop8h 50m

Hamilton

Sat 5/23

6:00 am-11:59 am

1 stop8h 59m

$324

Santa AnaOttawa

SNA - YOW

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Tue 3/10

2:15 pm-4:53 pm

1 stop23h 38m

Ottawa

Tue 3/17

6:00 am-1:24 pm

1 stop10h 24m

$350

Santa AnaHamilton

SNA - YHM

SNAYHM

Santa Ana J. Wayne/Orange Cnty

Tue 3/3

2:15 pm-5:16 pm

1 stop24h 01m

Hamilton

Tue 4/7

5:50 am-1:24 pm

1 stop10h 34m

$360

Santa AnaHamilton

SNA - YHM

SNAYHM

Santa Ana J. Wayne/Orange Cnty

Tue 1/13

2:15 pm-5:17 pm

1 stop24h 02m

Hamilton

Tue 1/20

5:45 am-1:25 pm

1 stop10h 40m

$360

Santa AnaOttawa

SNA - YOW

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Thu 3/12

2:15 pm-6:23 pm

2 stops25h 08m

Ottawa

Tue 3/17

6:00 am-1:24 pm

1 stop10h 24m

$362

Santa AnaThunder Bay

SNA - YQT

SNAYQT

Santa Ana J. Wayne/Orange Cnty

Thu 1/8

2:15 pm-3:10 pm

2 stops21h 55m

Thunder Bay

Mon 1/12

3:45 pm-1:25 pm

2 stops24h 40m

$369

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Thu 5/21

12:50 pm-12:40 am

2 stops32h 50m

Montreal Pierre Elliott Trudeau Intl

Sat 5/23

6:45 am-11:59 am

2 stops32h 14m

$380

Santa AnaMontreal

SNA - YUL

SNAYUL

Santa Ana J. Wayne/Orange Cnty

Thu 4/16

2:15 pm-3:13 pm

1 stop21h 58m

Montreal Pierre Elliott Trudeau Intl

Mon 4/20

4:15 pm-1:24 pm

1 stop24h 09m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Showing 1-10 of 60 results
1
2
3
...
6

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 $74). Flying from Santa Ana, California to Region of Ontario in November is currently the most expensive (average of $148). 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 SNA to ON?

Find hourly flight availability from Santa Ana 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 November 26, 2025.

A simple way to save on the total cost of your ticket is to fly from Santa Ana, California to Region of Ontario at noon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the morning.

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

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 November 26, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Santa Ana to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
9,046 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
11,038 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
10,476 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    For a flight from Santa Ana to Ontario, you will be flying from J. Wayne/Orange Cnty. Santa Ana J. Wayne/Orange Cnty (SNA) is just 4.8 mi from the center of the city.

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

    Airlines like WestJet, United Airlines, and Delta fly from Santa Ana, California to Region of Ontario in about 7h 12m. The time it takes to get you to your destination can typically vary by up to 16h 56m. Santa Ana, California and Region of Ontario are separated by a distance of 2152 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    While some choose either Santa Ana J. Wayne/Orange Cnty - Montreal Pierre Elliott Trudeau Intl or Santa Ana J. Wayne/Orange Cnty - Hamilton, Santa Ana J. Wayne/Orange Cnty - Toronto Pearson Intl is the most popular route from Santa Ana, California to Region of Ontario.

  • 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 $74). Flying from Santa Ana, California to Region of Ontario in November is currently the most expensive (average of $148). 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 Santa Ana 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 Calgary flights
Los Angeles to Pearson Intl flights
San Francisco to Pearson Intl flights
San Diego to Vancouver Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Sacramento to Vancouver Intl flights
Santa Ana to Vancouver Intl flights
Los Angeles to Abbotsford flights
San Francisco to Abbotsford flights
Ontario to Vancouver Intl flights
San Francisco to Calgary flights
San Francisco to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
Las Vegas to Vancouver Intl flights
San Jose to Vancouver Intl flights
Los Angeles to Toronto Island flights
Palm Springs to Vancouver Intl flights
San Francisco to Toronto Island flights
Ontario to Calgary flights
Santa Ana to Calgary flights
Las Vegas to Calgary flights
San Diego to Abbotsford flights
Las Vegas to Pearson Intl flights
Oakland to Vancouver Intl flights
Ontario to Pearson Intl flights
Reno to Vancouver Intl flights
Sacramento to Abbotsford flights
Santa Ana to Pearson Intl flights
Las Vegas to Abbotsford flights
Los Angeles to Edmonton flights
San Diego to Calgary flights
San Francisco to Edmonton flights
Oakland to Pearson Intl flights
San Diego to Pierre Elliott Trudeau Intl flights
San Francisco to Victoria flights
San Jose to Pearson Intl flights
Palm Springs to Pearson Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
Los Angeles to Québec City flights
Ontario to Pierre Elliott Trudeau Intl flights
San Francisco to Ottawa flights
Fresno to Vancouver Intl flights
Los Angeles to Region of Waterloo Intl flights
Oakland to Calgary flights
Burbank to Vancouver Intl flights
San Jose to Calgary flights
San Francisco to Halifax flights

Top 4 airlines flying from Santa Ana to Ontario

Discover the top 4 airlines that operate flights from Santa Ana to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$153Average$624FlexibilityNo cancel feeOn-time67%
DeltaCheapest$169Average$438FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$315Average$467FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$339Average$464FlexibilityNo cancel feeOn-time71%

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.