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Cheap flights from Ontario to Fresno from $103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Fresno departing on 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Fresno

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:04 am - 2:32 pmONT  Ontario-FAT Fresno Airterminal
4h 28m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:16 pm - 9:09 amFAT  Fresno Airterminal-ONT Ontario
11h 53m1 stop Las Vegas Harry Reid Intl
$192Multiple Airlines
Sat, Sep 12 - Fri, Sep 18
Multiple Airlines Logo
10:04 am - 2:32 pmONT  Ontario-FAT Fresno Airterminal
4h 28m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:16 pm - 9:09 amFAT  Fresno Airterminal-ONT Ontario
11h 53m1 stop Las Vegas Harry Reid Intl
$195Multiple Airlines
Sat, Sep 12 - Fri, Sep 18
Multiple Airlines Logo
8:00 am - 7:59 amONT  Ontario-FAT Fresno Airterminal
23h 59m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:28 pm - 9:09 amFAT  Fresno Airterminal-ONT Ontario
12h 41m1 stop Las Vegas Harry Reid Intl
$197Multiple Airlines
Thu, Sep 10 - Mon, Sep 14
Multiple Airlines Logo
10:04 am - 2:32 pmONT  Ontario-FAT Fresno Airterminal
4h 28m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
11:09 am - 4:34 pmFAT  Fresno Airterminal-ONT Ontario
5h 25m1 stop Las Vegas Harry Reid Intl
$199Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
8:24 pm - 7:59 amONT  Ontario-FAT Fresno Airterminal
11h 35m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:25 pm - 7:04 amFAT  Fresno Airterminal-ONT Ontario
12h 39m1 stop Las Vegas Harry Reid Intl
$200Multiple Airlines
Thu, Sep 10 - Sun, Sep 13
Multiple Airlines Logo
8:24 pm - 7:59 amONT  Ontario-FAT Fresno Airterminal
11h 35m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:28 pm - 9:09 amFAT  Fresno Airterminal-ONT Ontario
12h 41m1 stop Las Vegas Harry Reid Intl
$201Multiple Airlines
Thu, Sep 10 - Mon, Sep 14
Multiple Airlines Logo
2:30 pm - 7:59 amONT  Ontario-FAT Fresno Airterminal
17h 29m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:16 pm - 9:09 amFAT  Fresno Airterminal-ONT Ontario
11h 53m1 stop Las Vegas Harry Reid Intl
$201Multiple Airlines
Thu, Sep 17 - Fri, Sep 18
Multiple Airlines Logo
8:00 am - 2:17 pmONT  Ontario-FAT Fresno Airterminal
6h 17m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:17 pm - 7:04 amFAT  Fresno Airterminal-ONT Ontario
8h 47m1 stop Las Vegas Harry Reid Intl
$205Multiple Airlines
Fri, Oct 2 - Sun, Oct 4
United Airlines Logo
6:08 am - 9:28 amONT  Ontario-FAT Fresno Airterminal
3h 20m1 stop San Francisco
United Airlines Logo
2:20 pm - 6:16 pmFAT  Fresno Airterminal-ONT Ontario
3h 56m1 stop San Francisco
$279United Airlines
Wed, Sep 16 - Wed, Sep 16
United Airlines Logo
6:08 am - 11:22 amONT  Ontario-FAT Fresno Airterminal
5h 14m1 stop San Francisco
United Airlines Logo
7:23 am - 12:12 pmFAT  Fresno Airterminal-ONT Ontario
4h 49m1 stop San Francisco
$318United Airlines
Mon, Sep 7 - Fri, Sep 11

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Southwest flights from Ontario to Fresno

Our best Southwest deals on Ontario to Fresno flight tickets
Southwest
Oct 13
ONT4:15 pmOntario
5h 15m
1 stop
FAT9:30 pmFresno Airterminal
Oct 15
FAT6:20 amFresno Airterminal
6h 05m
2 stops
ONT12:25 pmOntario
$240
Southwest
Oct 13
ONT4:15 pmOntario
5h 15m
1 stop
FAT9:30 pmFresno Airterminal
Oct 15
FAT5:20 amFresno Airterminal
5h 00m
1 stop
ONT10:20 amOntario
$257
Southwest
Sep 12
ONT5:40 amOntario
8h 25m
1 stop
FAT2:05 pmFresno Airterminal
Sep 18
FAT6:10 amFresno Airterminal
6h 00m
2 stops
ONT12:10 pmOntario
$276

United Airlines flights from Ontario to Fresno

Our best United Airlines deals on Ontario to Fresno flight tickets
United Airlines
Sep 7
ONT6:08 amOntario
5h 14m
1 stop
FAT11:22 amFresno Airterminal
Sep 11
FAT7:23 amFresno Airterminal
4h 49m
1 stop
ONT12:12 pmOntario
$318
United Airlines
Aug 29
ONT8:00 amOntario
3h 22m
1 stop
FAT11:22 amFresno Airterminal
Sep 2
FAT2:10 pmFresno Airterminal
5h 51m
1 stop
ONT8:01 pmOntario
$469
United Airlines
Aug 25
ONT1:56 pmOntario
3h 50m
1 stop
FAT5:46 pmFresno Airterminal
Sep 14
FAT6:21 pmFresno Airterminal
4h 30m
1 stop
ONT10:51 pmOntario
$518

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Fresno 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, momondo users made 832,500 searches. Data last updated August 16, 2026.
Use the filters below to find and compare flights from Ontario to Fresno that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioFresno

ONT Ontario - FAT Fresno Airterminal

ONTFAT

Ontario

Sat 9/12

10:04 am-2:32 pm

1 stop4h 28m

Fresno Airterminal

Fri 9/18

9:16 pm-9:09 am

1 stop11h 53m

$192

OntarioFresno

ONT Ontario - FAT Fresno Airterminal

ONTFAT

Ontario

Sat 9/12

10:04 am-2:32 pm

1 stop4h 28m

Fresno Airterminal

Fri 9/18

9:16 pm-9:09 am

1 stop11h 53m

$195

OntarioFresno

ONT Ontario - FAT Fresno Airterminal

ONTFAT

Ontario

Thu 9/10

8:00 am-7:59 am

1 stop23h 59m

Fresno Airterminal

Mon 9/14

8:28 pm-9:09 am

1 stop12h 41m

$197

OntarioFresno

ONT Ontario - FAT Fresno Airterminal

ONTFAT

Ontario

Sat 9/12

10:04 am-2:32 pm

1 stop4h 28m

Fresno Airterminal

Sat 9/19

11:09 am-4:34 pm

1 stop5h 25m

$199

OntarioFresno

ONT Ontario - FAT Fresno Airterminal

ONTFAT

Ontario

Thu 9/10

8:24 pm-7:59 am

1 stop11h 35m

Fresno Airterminal

Sun 9/13

6:25 pm-7:04 am

1 stop12h 39m

$200

OntarioFresno

ONT Ontario - FAT Fresno Airterminal

ONTFAT

Ontario

Thu 9/10

8:24 pm-7:59 am

1 stop11h 35m

Fresno Airterminal

Mon 9/14

8:28 pm-9:09 am

1 stop12h 41m

$201

OntarioFresno

ONT Ontario - FAT Fresno Airterminal

ONTFAT

Ontario

Thu 9/17

2:30 pm-7:59 am

1 stop17h 29m

Fresno Airterminal

Fri 9/18

9:16 pm-9:09 am

1 stop11h 53m

$201

OntarioFresno

ONT Ontario - FAT Fresno Airterminal

ONTFAT

Ontario

Fri 10/2

8:00 am-2:17 pm

1 stop6h 17m

Fresno Airterminal

Sun 10/4

10:17 pm-7:04 am

1 stop8h 47m

$205
Quickest round-trip

OntarioFresno

ONT Ontario - FAT Fresno Airterminal

ONTFAT

Ontario

Wed 9/16

6:08 am-9:28 am

1 stop3h 20m

Fresno Airterminal

Wed 9/16

2:20 pm-6:16 pm

1 stop3h 56m

$279

OntarioFresno

ONT Ontario - FAT Fresno Airterminal

ONTFAT

Ontario

Mon 9/7

6:08 am-11:22 am

1 stop5h 14m

Fresno Airterminal

Fri 9/11

7:23 am-12:12 pm

1 stop4h 49m

$318

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Fresno from

How to get the cheapest flight ticket from Ontario to Fresno

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 Fresno?

The month of February is another great option to travel to Fresno, with average flight prices from Ontario averaging around $0.

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

The cheapest day to depart from Ontario to Fresno is on a Thursday. Travelers who choose to depart for Fresno on a Thursday will often find tickets for as low as $264. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $587. These prices are subject to change though, so be sure to set up a Price Alert for flights to Fresno.

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

The cheapest time of day to fly to Fresno is in the afternoon when flights can be purchased for as low as $274. In contrast, the most expensive time of day to depart to Fresno is in the morning when prices are around $318.

When to book flights from Ontario to Fresno

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

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

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

Fastest flight time

3h 20m

Direct flights

None
The fastest flight from Ontario to Fresno takes 3h 20m
There are no direct flights from Ontario to Fresno. There are no popular flight routes from Ontario to Fresno.
Search flight deals

Frequently asked questions about flying from Ontario to Fresno

  • How far is Ontario to Fresno Airterminal by plane?

    The distance between Ontario and Fresno Airterminal is about 219.9 mi. In terms of flight time, this usually takes a little over 3h 20m.

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

    Prices for flights from Ontario Airport to Fresno Airterminal Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Fresno Airterminal Airport.

  • What documentation or ID do you need to fly to Fresno Airterminal Airport?

    The necessary travel and health documents for your Fresno Airterminal Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Fresno?

Best airlines flying from Ontario to Fresno

Compare and see reviews for airlines that fly from Ontario to Fresno with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $259Free CancellationRating
7.4
10,105 reviews
Search United Airlines flights

Traveling to a place near Fresno?

Book flights to Fresno if you plan to visit one of these locations
Bass Lake
Clovis
Oakhurst
Fish Camp
Madera
Kingsburg

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Fresno. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Ontario to Fresno flights to just show those with flexible booking policies.

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

Once all potential Ontario to Fresno flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

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