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Cheap flights from Ontario to Fresno from $122

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 4/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Fresno

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:04 pm - 3:04 pm
ONT
-
FAT
23h 00m
1 stop
Multiple Airlines Logo
3:54 pm - 3:44 pm
FAT
-
ONT
23h 50m
1 stop
$181Multiple Airlines
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
7:44 pm - 12:17 pm
ONT
-
FAT
16h 33m
1 stop
Multiple Airlines Logo
10:24 pm - 8:24 am
FAT
-
ONT
10h 00m
1 stop
$226Multiple Airlines
Tue, Apr 14 - Thu, Apr 16
Multiple Airlines Logo
4:04 pm - 3:04 pm
ONT
-
FAT
23h 00m
1 stop
Multiple Airlines Logo
3:54 pm - 10:05 am
FAT
-
ONT
18h 11m
2 stops
$229Multiple Airlines
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
4:04 pm - 9:34 pm
ONT
-
FAT
5h 30m
1 stop
Multiple Airlines Logo
2:11 pm - 7:32 pm
FAT
-
ONT
5h 21m
1 stop
$244Multiple Airlines
Thu, May 7 - Fri, May 8
Multiple Airlines Logo
4:39 pm - 9:46 am
ONT
-
FAT
17h 07m
1 stop
Multiple Airlines Logo
10:36 am - 3:09 pm
FAT
-
ONT
4h 33m
1 stop
$248Multiple Airlines
Tue, Jun 2 - Wed, Jun 10
Multiple Airlines Logo
8:44 am - 1:21 pm
ONT
-
FAT
4h 37m
1 stop
Multiple Airlines Logo
12:07 pm - 7:32 pm
FAT
-
ONT
7h 25m
1 stop
$249Multiple Airlines
Fri, May 8 - Sat, May 9
Multiple Airlines Logo
8:44 am - 3:04 pm
ONT
-
FAT
6h 20m
1 stop
Multiple Airlines Logo
10:24 pm - 7:32 pm
FAT
-
ONT
21h 08m
1 stop
$254Multiple Airlines
Fri, May 8 - Sun, May 10
Multiple Airlines Logo
9:20 pm - 3:04 pm
ONT
-
FAT
17h 44m
1 stop
Multiple Airlines Logo
10:24 pm - 7:49 am
FAT
-
ONT
9h 25m
1 stop
$258Multiple Airlines
Thu, Apr 30 - Thu, May 7
Multiple Airlines Logo
8:59 pm - 11:17 am
ONT
-
FAT
14h 18m
1 stop
Multiple Airlines Logo
10:24 pm - 10:14 am
FAT
-
ONT
11h 50m
1 stop
$276Multiple Airlines
Fri, Apr 17 - Sun, Apr 19
Multiple Airlines Logo
8:17 pm - 2:41 pm
ONT
-
FAT
42h 24m
2 stops
Multiple Airlines Logo
10:36 am - 3:09 pm
FAT
-
ONT
4h 33m
1 stop
$292Multiple Airlines
Tue, Jun 2 - Wed, Jun 10

United Airlines flights from Ontario to Fresno

Our best United Airlines deals on Ontario to Fresno flight tickets
United Airlines
Apr 7
ONT1:27 pmOntario
6h 37m
1 stop
FAT8:04 pmFresno Airterminal
Apr 8
FAT7:18 amFresno Airterminal
5h 02m
1 stop
ONT12:20 pmOntario
$347
United Airlines
Apr 15
ONT1:27 pmOntario
4h 52m
1 stop
FAT6:19 pmFresno Airterminal
Apr 16
FAT6:20 pmFresno Airterminal
4h 25m
1 stop
ONT10:45 pmOntario
$359
United Airlines
Apr 10
ONT1:27 pmOntario
4h 52m
1 stop
FAT6:19 pmFresno Airterminal
Apr 11
FAT6:20 pmFresno Airterminal
4h 25m
1 stop
ONT10:45 pmOntario
$369

Southwest flights from Ontario to Fresno

Our best Southwest deals on Ontario to Fresno flight tickets
Southwest
Jun 2
ONT3:45 pmOntario
5h 55m
2 stops
FAT9:40 pmFresno Airterminal
Jun 10
FAT5:10 pmFresno Airterminal
5h 50m
2 stops
ONT11:00 pmOntario
$297
Southwest
Apr 14
ONT10:55 amOntario
5h 55m
1 stop
FAT4:50 pmFresno Airterminal
Apr 16
FAT2:55 pmFresno Airterminal
6h 20m
2 stops
ONT9:15 pmOntario
$304
Southwest
Apr 14
ONT3:45 pmOntario
5h 55m
2 stops
FAT9:40 pmFresno Airterminal
Apr 16
FAT2:55 pmFresno Airterminal
8h 10m
2 stops
ONT11:05 pmOntario
$309

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 March 21, 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 - FAT

ONTFAT

Ontario

Thu 5/7

4:04 pm-3:04 pm

1 stop23h 00m

Fresno Airterminal

Mon 5/11

3:54 pm-3:44 pm

1 stop23h 50m

$181

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 4/14

7:44 pm-12:17 pm

1 stop16h 33m

Fresno Airterminal

Thu 4/16

10:24 pm-8:24 am

1 stop10h 00m

$226

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 5/7

4:04 pm-3:04 pm

1 stop23h 00m

Fresno Airterminal

Mon 5/11

3:54 pm-10:05 am

2 stops18h 11m

$229
Quickest round-trip

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 5/7

4:04 pm-9:34 pm

1 stop5h 30m

Fresno Airterminal

Fri 5/8

2:11 pm-7:32 pm

1 stop5h 21m

$244

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 6/2

4:39 pm-9:46 am

1 stop17h 07m

Fresno Airterminal

Wed 6/10

10:36 am-3:09 pm

1 stop4h 33m

$248

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 5/8

8:44 am-1:21 pm

1 stop4h 37m

Fresno Airterminal

Sat 5/9

12:07 pm-7:32 pm

1 stop7h 25m

$249

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 5/8

8:44 am-3:04 pm

1 stop6h 20m

Fresno Airterminal

Sun 5/10

10:24 pm-7:32 pm

1 stop21h 08m

$254

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 4/30

9:20 pm-3:04 pm

1 stop17h 44m

Fresno Airterminal

Thu 5/7

10:24 pm-7:49 am

1 stop9h 25m

$258

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 4/17

8:59 pm-11:17 am

1 stop14h 18m

Fresno Airterminal

Sun 4/19

10:24 pm-10:14 am

1 stop11h 50m

$276

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 6/2

8:17 pm-2:41 pm

2 stops42h 24m

Fresno Airterminal

Wed 6/10

10:36 am-3:09 pm

1 stop4h 33m

$292

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 day to depart on your flight to Fresno?

The cheapest day to depart from Ontario to Fresno is on a Friday. Travelers who choose to depart for Fresno on a Friday will often find tickets for as low as $252. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $421. 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 $254. In contrast, the most expensive time of day to depart to Fresno is in the morning when prices are around $297.

How have Ontario to Fresno flight prices changed over time?

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 38m

Direct flights

None
The fastest flight from Ontario to Fresno takes 3h 38m
There are no direct flights from Ontario to Fresno. There are no popular flight routes from Ontario to Fresno.
Search flight deals

  • 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 38m.

  • 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
SouthwestPriceFrom $243Free CancellationRating
8.0
4,325 reviews
Search Southwest 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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