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.

$94 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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4:01 pm - 5:15 pm

FAT

ONT

25h 14m1 stop

10:18 pm - 8:28 pm

ONT

FAT

22h 10m1 stop

$194Multiple Airlines

Sun, Jan 4 - Sun, Jan 11

12:05 pm - 9:50 am

FAT

ONT

21h 45m1 stop

2:34 pm - 8:28 pm

ONT

FAT

5h 54m1 stop

$199Multiple Airlines

Tue, Jan 6 - Mon, Jan 12

9:40 am - 9:17 pm

FAT

ONT

11h 37m1 stop

6:00 am - 7:45 am

ONT

FAT

25h 45m1 stop

$210Multiple Airlines

Thu, Dec 18 - Thu, Dec 25

12:05 pm - 11:14 pm

FAT

ONT

35h 09m2 stops

2:34 pm - 8:28 pm

ONT

FAT

5h 54m1 stop

$217Multiple Airlines

Tue, Jan 6 - Mon, Jan 12

5:21 pm - 9:27 pm

FAT

ONT

4h 06m1 stop

6:00 am - 7:45 am

ONT

FAT

25h 45m1 stop

$243Multiple Airlines

Sun, Dec 21 - Thu, Dec 25

4:34 pm - 11:56 pm

FAT

ONT

7h 22m1 stop

4:03 pm - 3:37 pm

ONT

FAT

23h 34m1 stop

$259Alaska Airlines

Thu, Jan 8 - Mon, Jan 12

9:40 am - 9:17 pm

FAT

ONT

11h 37m1 stop

6:37 pm - 9:32 pm

ONT

FAT

26h 55m1 stop

$277Multiple Airlines

Thu, Dec 18 - Sun, Dec 21

9:40 am - 9:17 pm

FAT

ONT

11h 37m1 stop

6:00 am - 9:32 pm

ONT

FAT

15h 32m1 stop

$282Multiple Airlines

Thu, Dec 18 - Mon, Dec 22

5:07 pm - 11:13 pm

FAT

ONT

6h 06m1 stop

6:00 pm - 8:45 am

ONT

FAT

14h 45m1 stop

$290Multiple Airlines

Sat, Dec 20 - Mon, Dec 22

8:01 am - 8:36 pm

FAT

ONT

12h 35m1 stop

4:03 pm - 10:08 pm

ONT

FAT

6h 05m1 stop

$292Alaska Airlines

Wed, Jan 21 - Wed, Jan 28

Delta flights from Fresno to Ontario

Our best Delta deals on Fresno to Ontario flight tickets

Delta

Feb 11

FAT12:25 pmFresno Airterminal

10h 19m

2 stops

ONT10:44 pmOntario

Feb 25

ONT7:30 amOntario

8h 52m

2 stops

FAT4:22 pmFresno Airterminal

$304

Find similar

Delta

Feb 11

FAT12:25 pmFresno Airterminal

10h 19m

2 stops

ONT10:44 pmOntario

Mar 2

ONT7:30 amOntario

8h 52m

2 stops

FAT4:22 pmFresno Airterminal

$329

Find similar

Delta

Feb 12

FAT12:25 pmFresno Airterminal

10h 12m

2 stops

ONT10:37 pmOntario

Mar 1

ONT7:30 amOntario

13h 45m

2 stops

FAT9:15 pmFresno Airterminal

$354

Find similar

United Airlines flights from Fresno to Ontario

Our best United Airlines deals on Fresno to Ontario flight tickets

United Airlines

Feb 14

FAT6:41 amFresno Airterminal

6h 06m

1 stop

ONT12:47 pmOntario

Feb 28

ONT1:53 pmOntario

6h 18m

1 stop

FAT8:11 pmFresno Airterminal

$349

Find similar

United Airlines

Mar 10

FAT12:47 pmFresno Airterminal

8h 03m

1 stop

ONT8:50 pmOntario

Mar 12

ONT1:40 pmOntario

6h 40m

1 stop

FAT8:20 pmFresno Airterminal

$387

Find similar

United Airlines

Jan 5

FAT2:00 pmFresno Airterminal

3h 43m

1 stop

ONT5:43 pmOntario

Jan 9

ONT6:00 amOntario

3h 46m

1 stop

FAT9:46 amFresno Airterminal

$407

Find similar

Fly from

Fly to

Route

Depart

Return

Price

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Sun 1/4

4:01 pm-5:15 pm

1 stop25h 14m

Ontario

Sun 1/11

10:18 pm-8:28 pm

1 stop22h 10m

$194

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Tue 1/6

12:05 pm-9:50 am

1 stop21h 45m

Ontario

Mon 1/12

2:34 pm-8:28 pm

1 stop5h 54m

$199

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Thu 12/18

9:40 am-9:17 pm

1 stop11h 37m

Ontario

Thu 12/25

6:00 am-7:45 am

1 stop25h 45m

$210

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Tue 1/6

12:05 pm-11:14 pm

2 stops35h 09m

Ontario

Mon 1/12

2:34 pm-8:28 pm

1 stop5h 54m

$217

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Sun 12/21

5:21 pm-9:27 pm

1 stop4h 06m

Ontario

Thu 12/25

6:00 am-7:45 am

1 stop25h 45m

$243

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Thu 1/8

4:34 pm-11:56 pm

1 stop7h 22m

Ontario

Mon 1/12

4:03 pm-3:37 pm

1 stop23h 34m

$259

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Thu 12/18

9:40 am-9:17 pm

1 stop11h 37m

Ontario

Sun 12/21

6:37 pm-9:32 pm

1 stop26h 55m

$277

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Thu 12/18

9:40 am-9:17 pm

1 stop11h 37m

Ontario

Mon 12/22

6:00 am-9:32 pm

1 stop15h 32m

$282

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Sat 12/20

5:07 pm-11:13 pm

1 stop6h 06m

Ontario

Mon 12/22

6:00 pm-8:45 am

1 stop14h 45m

$290

FresnoOntario

FAT - ONT

FATONT

Fresno Airterminal

Wed 1/21

8:01 am-8:36 pm

1 stop12h 35m

Ontario

Wed 1/28

4:03 pm-10:08 pm

1 stop6h 05m

$292

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 $231. 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	4h 35m
Direct flights	None

The fastest flight from Fresno to Ontario takes 4h 35m

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

Search flight deals

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 (53% of total bookings). The next most popular airline is Southwest (47%).

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 9,078 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.