When did momondo last update prices for flights from Fresno Airterminal Airport to Ontario Airport?

Prices for flights from Fresno Airterminal Airport to Ontario Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Fresno Airterminal Airport to Ontario Airport?

There are 2 operators available for flights from Fresno Airterminal Airport to Ontario Airport as of December 2025.

How old do you have to be to fly from Fresno Airterminal Airport to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Fresno Airterminal Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$78 Cheap Flights from Fresno to Ontario in 2025/26

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Find the cheapest flights from Fresno to Los Angeles

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:05 pm - 9:50 amFAT-ONT

21h 45m1 stop

2:34 pm - 10:16 amONT-FAT

19h 42m1 stop

$172Multiple Airlines

Find Deal

Tue, Jan 6 - Fri, Jan 9

5:07 pm - 5:42 pmFAT-ONT

24h 35m1 stop

6:00 pm - 8:45 amONT-FAT

14h 45m1 stop

$202Multiple Airlines

Find Deal

Sat, Dec 20 - Mon, Dec 22

4:34 pm - 9:17 pmFAT-ONT

4h 43m1 stop

5:18 pm - 7:35 amONT-FAT

14h 17m1 stop

$214Multiple Airlines

Find Deal

Sat, Dec 13 - Sun, Dec 14

5:27 pm - 9:17 pmFAT-ONT

3h 50m1 stop

6:07 pm - 7:45 amONT-FAT

13h 38m1 stop

$216Multiple Airlines

Find Deal

Wed, Dec 24 - Thu, Dec 25

9:35 am - 2:04 pmFAT-ONT

4h 29m1 stop

6:15 am - 11:15 amONT-FAT

5h 00m1 stop

$227Multiple Airlines

Find Deal

Thu, Dec 11 - Sat, Dec 13

8:25 am - 9:17 pmFAT-ONT

12h 52m1 stop

5:54 pm - 11:15 amONT-FAT

17h 21m1 stop

$230Multiple Airlines

Find Deal

Mon, Dec 15 - Fri, Dec 19

4:20 pm - 1:10 pmFAT-ONT

20h 50m1 stop

6:15 am - 11:15 amONT-FAT

5h 00m1 stop

$236Multiple Airlines

Find Deal

Thu, Dec 11 - Sat, Dec 13

12:05 pm - 10:12 pmFAT-ONT

10h 07m2 stops

10:18 pm - 10:16 amONT-FAT

11h 58m1 stop

$238Multiple Airlines

Find Deal

Tue, Jan 6 - Fri, Jan 9

8:01 am - 8:36 pmFAT-ONT

12h 35m1 stop

11:53 am - 10:08 pmONT-FAT

10h 15m1 stop

$254Alaska Airlines

Find Deal

Wed, Jan 14 - Wed, Jan 21

10:22 pm - 4:31 pmFAT-ONT

18h 09m1 stop

2:34 pm - 8:45 pmONT-FAT

6h 11m1 stop

$262Multiple Airlines

Find Deal

Fri, Dec 19 - Fri, Jan 9

Alaska Airlines flights from Fresno to Ontario

Our best Alaska Airlines deals on Fresno to Ontario flight tickets

Alaska Airlines

Jan 14

FAT8:01 amFresno Airterminal

12h 35m

1 stop

ONT8:36 pmOntario

Jan 21

ONT11:53 amOntario

10h 15m

1 stop

FAT10:08 pmFresno Airterminal

$254

Find similar

Alaska Airlines

Jan 30

FAT4:34 pmFresno Airterminal

7h 22m

1 stop

ONT11:56 pmOntario

Feb 1

ONT6:00 amOntario

9h 37m

1 stop

FAT3:37 pmFresno Airterminal

$264

Find similar

Alaska Airlines

Feb 21

FAT8:06 amFresno Airterminal

15h 26m

1 stop

ONT11:32 pmOntario

Feb 25

ONT6:14 amOntario

8h 25m

1 stop

FAT2:39 pmFresno Airterminal

$289

Find similar

Southwest flights from Fresno to Ontario

Our best Southwest deals on Fresno to Ontario flight tickets

Southwest

Jan 6

FAT11:00 amFresno Airterminal

5h 55m

2 stops

ONT4:55 pmOntario

Jan 9

ONT5:55 amOntario

5h 55m

2 stops

FAT11:50 amFresno Airterminal

$309

Find similar

Southwest

Dec 19

FAT5:20 amFresno Airterminal

3h 30m

1 stop

ONT8:50 amOntario

Dec 21

ONT5:20 pmOntario

6h 30m

2 stops

FAT11:50 pmFresno Airterminal

$372

Find similar

Southwest

Dec 24

FAT8:10 amFresno Airterminal

7h 10m

2 stops

ONT3:20 pmOntario

Dec 25

ONT3:15 pmOntario

5h 55m

2 stops

FAT9:10 pmFresno Airterminal

$377

Find similar

Fly from

Fly to

Route

Depart

Return

Price

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Tue 1/6

12:05 pm-9:50 am

1 stop21h 45m

Ontario

Fri 1/9

2:34 pm-10:16 am

1 stop19h 42m

$172

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Sat 12/20

5:07 pm-5:42 pm

1 stop24h 35m

Ontario

Mon 12/22

6:00 pm-8:45 am

1 stop14h 45m

$202

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Sat 12/13

4:34 pm-9:17 pm

1 stop4h 43m

Ontario

Sun 12/14

5:18 pm-7:35 am

1 stop14h 17m

$214

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Wed 12/24

5:27 pm-9:17 pm

1 stop3h 50m

Ontario

Thu 12/25

6:07 pm-7:45 am

1 stop13h 38m

$216

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Thu 12/11

9:35 am-2:04 pm

1 stop4h 29m

Ontario

Sat 12/13

6:15 am-11:15 am

1 stop5h 00m

$227

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Mon 12/15

8:25 am-9:17 pm

1 stop12h 52m

Ontario

Fri 12/19

5:54 pm-11:15 am

1 stop17h 21m

$230

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Thu 12/11

4:20 pm-1:10 pm

1 stop20h 50m

Ontario

Sat 12/13

6:15 am-11:15 am

1 stop5h 00m

$236

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Tue 1/6

12:05 pm-10:12 pm

2 stops10h 07m

Ontario

Fri 1/9

10:18 pm-10:16 am

1 stop11h 58m

$238

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Wed 1/14

8:01 am-8:36 pm

1 stop12h 35m

Ontario

Wed 1/21

11:53 am-10:08 pm

1 stop10h 15m

$254

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Fri 12/19

10:22 pm-4:31 pm

1 stop18h 09m

Ontario

Fri 1/9

2:34 pm-8:45 pm

1 stop6h 11m

$262

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Fresno to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Fresno to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $266. If you aren’t able to travel during the month of February, then book flights to Ontario from Fresno during September instead. Flights to Ontario in September, while not as cheap as those in February, still average around $268.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $324. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Fresno to Ontario for around $485.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Fresno to Ontario when you can find flight prices for as low as $352. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $415 on average. Flights to Ontario from Fresno at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Fresno to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Fresno to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Fresno to Ontario (FAT to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Fresno to Ontario

Fastest flight time	3h 30m
Direct flights	None

The fastest flight from Fresno to Ontario takes 3h 30m

There are no direct flights from Fresno to Ontario. There are no popular flight routes from Fresno to Ontario.

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How far is Fresno Airterminal to Ontario by plane?
There are 219.9 mi between Fresno Airterminal and Ontario. A reasonable flight in good conditions will take 3h 30m.
When did momondo last update prices for flights from Fresno Airterminal Airport to Ontario Airport?
Prices for flights from Fresno Airterminal Airport to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Fresno Airterminal Airport to Ontario Airport?
There are 2 operators available for flights from Fresno Airterminal Airport to Ontario Airport as of December 2025.
How old do you have to be to fly from Fresno Airterminal Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Fresno Airterminal Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Fresno to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Fresno to Ontario is United Airlines (54% of total bookings). The next most popular airline is Southwest (46%).

Best airlines flying from Fresno to Ontario

Compare and see reviews for airlines that fly from Fresno to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $216	Free Cancellation	Rating 8.0 4,252 reviews		Search Southwest flights
United Airlines	PriceFrom $290	Free Cancellation	Rating 7.4 9,057 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Fresno to Ontario?

Finding the right flight to Ontario from Fresno is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from Fresno to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Fresno on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Fresno to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Fresno to Ontario.

I’m not ready to book a flight from Fresno to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Fresno to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.