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Ontario

$138+ Cheap flights from Fresno (FAT) 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
FAT — YYZ
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Fresno to Ontario

Cheapest flights from Fresno to Ontario
Explore the most affordable flight options available from Fresno to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:38 pm
FAT
-
YYZ
1 stop9h 05m
Multiple Airlines
Fri 3/209:35 am
YYZ
-
FAT
1 stop11h 32m
Multiple Airlines
Deal found 1/24$297
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 3/306:38 pm
FAT
-
YYZ
1 stop9h 05m
Multiple Airlines
Wed 4/151:30 pm
YYZ
-
FAT
2 stops28h 38m
Multiple Airlines
Deal found 1/25$312
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Wed 3/112:04 pm
FAT
-
YYZ
1 stop26h 51m
Multiple Airlines
Wed 3/1810:00 am
YYZ
-
FAT
2 stops32h 13m
Multiple Airlines
Deal found 1/25$330
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Sat 3/2811:08 am
FAT
-
YYZ
1 stop16h 12m
Multiple Airlines
Sun 4/57:55 pm
YYZ
-
FAT
1 stop14h 27m
Multiple Airlines
Deal found 1/25$389
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Wed 4/151:07 pm
FAT
-
YYZ
2 stops14h 06m
Multiple Airlines
Mon 4/209:35 am
YYZ
-
FAT
1 stop8h 29m
Multiple Airlines
Deal found 1/25$423
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Wed 3/256:00 am
FAT
-
YYZ
2 stops10h 55m
Multiple Airlines
Fri 7/107:00 am
YYZ
-
FAT
1 stop9h 16m
Multiple Airlines
Deal found 1/25$436
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:04 pm
FAT
-
YYZ
2 stops19h 19m
Multiple Airlines
Thu 7/27:00 am
YYZ
-
FAT
1 stop10h 46m
Multiple Airlines
Deal found 1/24$437
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 3/306:38 pm
FAT
-
YYZ
1 stop8h 42m
Multiple Airlines
Mon 7/63:00 pm
YYZ
-
FAT
2 stops25h 17m
Multiple Airlines
Deal found 1/25$450
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Tue 6/232:06 pm
FAT
-
YYZ
1 stop13h 33m
Multiple Airlines
Wed 7/158:30 pm
YYZ
-
FAT
1 stop21h 16m
Multiple Airlines
Deal found 1/25$452
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Sat 6/136:30 pm
FAT
-
YTZ
2 stops12h 36m
United Airlines
Thu 6/1812:15 pm
YTZ
-
FAT
2 stops14h 16m
United Airlines
Deal found 1/25$625
This United Airlines deal was found by Cheapflights users on 1/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/145:16 am
FAT
-
YUL
2 stops13h 01m
United Airlines
Wed 2/184:45 pm
YUL
-
FAT
2 stops22h 09m
United Airlines
Deal found 1/24$653
This American Airlines deal was found by Cheapflights users on 1/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:43 pm
FAT
-
YUL
2 stops19h 01m
American Airlines
Tue 6/23:45 pm
YUL
-
FAT
1 stop21h 31m
American Airlines
Deal found 1/24$717

Find flight deals from Fresno to Ontario

Keep the following information in mind while searching for Fresno to Ontario flight deals. Data was last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Kiwi.com)

One-way from

$138
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$404
Provider with most accurate pricing for Fresno Airterminal-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Fresno Airterminal-Toronto (YTO) flights.
Search Deals
From Fresno Airterminal to Ontario
Search Deals
One-way flight from Fresno Airterminal to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fresno 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 January 26, 2026.
Use the filters below to find and compare flights from Fresno to Ontario that are best for you.

Fly from

Fresno

Fly to

Ontario

Route

Depart

Return

Price

FresnoToronto

FAT - YYZ

FATYYZ

Fresno Airterminal

Mon 3/16

6:38 pm-7:36 pm

2 stops21h 58m

Toronto Pearson Intl

Fri 3/20

9:35 am-6:07 pm

1 stop11h 32m

$302

FresnoToronto

FAT - YYZ

FATYYZ

Fresno Airterminal

Wed 4/15

1:07 pm-6:13 am

2 stops14h 06m

Toronto Pearson Intl

Mon 4/20

9:35 am-3:04 pm

1 stop8h 29m

$423

FresnoToronto

FAT - YYZ

FATYYZ

Fresno Airterminal

Tue 6/23

2:06 pm-6:39 am

1 stop13h 33m

Toronto Pearson Intl

Wed 7/15

12:00 pm-2:46 pm

2 stops29h 46m

$460

FresnoToronto

FAT - YYZ

FATYYZ

Fresno Airterminal

Mon 3/16

3:40 pm-3:35 pm

1 stop20h 55m

Toronto Pearson Intl

Fri 3/20

4:45 pm-1:39 pm

1 stop23h 54m

$470

FresnoToronto

FAT - YYZ

FATYYZ

Fresno Airterminal

Tue 6/16

2:06 pm-8:09 pm

1 stop27h 03m

Toronto Pearson Intl

Tue 6/30

3:00 pm-9:47 am

2 stops21h 47m

$470

FresnoToronto

FAT - YYZ

FATYYZ

Fresno Airterminal

Tue 6/23

2:06 pm-6:39 am

1 stop13h 33m

Toronto Pearson Intl

Tue 7/14

7:00 am-1:17 pm

1 stop9h 17m

$471

FresnoToronto

FAT - YYZ

FATYYZ

Fresno Airterminal

Mon 3/2

3:40 pm-3:35 pm

1 stop20h 55m

Toronto Pearson Intl

Wed 3/4

4:45 pm-2:39 pm

1 stop24h 54m

$475

FresnoToronto

FAT - YYZ

FATYYZ

Fresno Airterminal

Sat 2/14

4:19 pm-3:35 pm

1 stop20h 16m

Toronto Pearson Intl

Thu 2/26

4:45 pm-7:32 pm

2 stops29h 47m

$477

FresnoToronto

FAT - YYZ

FATYYZ

Fresno Airterminal

Wed 4/15

5:44 am-10:55 pm

1 stop14h 11m

Toronto Pearson Intl

Mon 4/20

6:15 pm-12:04 am

1 stop8h 49m

$493

FresnoToronto

FAT - YYZ

FATYYZ

Fresno Airterminal

Tue 2/17

8:06 am-3:35 pm

1 stop28h 29m

Toronto Pearson Intl

Thu 2/19

4:45 pm-2:39 pm

1 stop24h 54m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 24 results
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Best time to book a flight from Fresno to Ontario

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

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

Currently, July is the cheapest month in which you can book a flight from Fresno to Region of Ontario (average of $144). Flying from Fresno to Region of Ontario in December is currently the most expensive (average of $598). 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.

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 January 26, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Fresno to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,112 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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
8,112 reviews
Delta
7.9
Good
8,112 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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
9,199 reviews
Delta
7.9
Good
8,112 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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
11,189 reviews
Delta
7.9
Good
8,112 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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
10,656 reviews
Delta
7.9
Good
8,112 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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 Fresno 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 Fresno to Ontario?

    Most people fly from Fresno Airterminal (FAT) if they book a flight from Fresno to Ontario. Fresno Airterminal is conveniently located just 4.8 mi from Fresno’s city center.

  • How long is the flight from Fresno to Region of Ontario?

    There are many flights that can get you from Fresno to Region of Ontario in 18h 56m. Fly via Alaska Airlines, United Airlines, or American Airlines to get the fastest option. Airlines will cover a distance of 2156 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Fresno to Region of Ontario?

    The most popular flight routes from Fresno to Region of Ontario are Fresno Airterminal - Toronto Pearson Intl, Fresno Airterminal - Toronto Island and Fresno Airterminal - Montreal Pierre Elliott Trudeau Intl.

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

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

  • How can I find direct flights from Fresno to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Fresno 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 Fresno to Region of Ontario?

    Currently, July is the cheapest month in which you can book a flight from Fresno to Region of Ontario (average of $144). Flying from Fresno to Region of Ontario in December is currently the most expensive (average of $598). 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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Alternative routes for Fresno to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Fresno to Ontario

Discover the top 4 airlines that operate flights from Fresno 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$153Average$434FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$315Average$626FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$386Average$594FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$433Average$580FlexibilityNo cancel feeOn-time71%

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