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Cheap flights from Ontario to Fresno from $121

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 3/20. 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
11:17 am - 6:07 pm
ONT
-
FAT
6h 50m
1 stop
Multiple Airlines Logo
10:21 pm - 8:06 am
FAT
-
ONT
9h 45m
1 stop
$200Multiple Airlines
Fri, Mar 20 - Sun, Mar 22
Multiple Airlines Logo
10:03 pm - 9:29 pm
ONT
-
FAT
23h 26m
1 stop
Multiple Airlines Logo
1:07 pm - 9:00 pm
FAT
-
ONT
7h 53m
1 stop
$206Multiple Airlines
Wed, Apr 1 - Wed, Apr 8
Multiple Airlines Logo
10:03 pm - 9:29 pm
ONT
-
FAT
23h 26m
1 stop
Multiple Airlines Logo
1:07 pm - 11:56 pm
FAT
-
ONT
10h 49m
2 stops
$243Multiple Airlines
Wed, Apr 1 - Wed, Apr 8
Multiple Airlines Logo
7:44 pm - 12:17 pm
ONT
-
FAT
16h 33m
1 stop
Multiple Airlines Logo
3:54 pm - 8:04 pm
FAT
-
ONT
4h 10m
1 stop
$246Multiple Airlines
Tue, Apr 14 - Fri, Apr 17
Alaska Airlines Logo
6:00 am - 1:39 pm
ONT
-
FAT
7h 39m
1 stop
Alaska Airlines Logo
2:33 pm - 9:45 am
FAT
-
ONT
19h 12m
1 stop
$253Alaska Airlines
Tue, Apr 21 - Sat, Apr 25
Multiple Airlines Logo
11:17 am - 5:48 pm
ONT
-
FAT
6h 31m
1 stop
Multiple Airlines Logo
10:21 pm - 8:06 am
FAT
-
ONT
9h 45m
1 stop
$262Multiple Airlines
Fri, Mar 27 - Sun, Mar 29
Alaska Airlines Logo
3:26 pm - 1:39 pm
ONT
-
FAT
22h 13m
1 stop
Alaska Airlines Logo
2:33 pm - 9:45 am
FAT
-
ONT
19h 12m
1 stop
$263Alaska Airlines
Fri, May 1 - Tue, May 5
Multiple Airlines Logo
11:17 am - 6:07 pm
ONT
-
FAT
6h 50m
1 stop
Multiple Airlines Logo
6:38 pm - 1:28 pm
FAT
-
ONT
18h 50m
1 stop
$269Multiple Airlines
Fri, Mar 20 - Mon, Mar 23
United Airlines Logo
1:40 pm - 8:20 pm
ONT
-
FAT
6h 40m
1 stop
United Airlines Logo
1:15 pm - 5:41 pm
FAT
-
ONT
4h 26m
1 stop
$271United Airlines
Tue, Mar 24 - Wed, Mar 25
Southwest Logo
4:25 pm - 10:50 pm
ONT
-
FAT
6h 25m
2 stops
Southwest Logo
5:35 pm - 10:35 pm
FAT
-
ONT
5h 00m
1 stop
$276Southwest
Tue, Mar 24 - Wed, Mar 25

Alaska Airlines flights from Ontario to Fresno

Our best Alaska Airlines deals on Ontario to Fresno flight tickets
Alaska Airlines
Apr 21
ONT6:00 amOntario
7h 39m
1 stop
FAT1:39 pmFresno Airterminal
Apr 25
FAT2:33 pmFresno Airterminal
19h 12m
1 stop
ONT9:45 amOntario
$253
Alaska Airlines
May 1
ONT3:26 pmOntario
22h 13m
1 stop
FAT1:39 pmFresno Airterminal
May 5
FAT2:33 pmFresno Airterminal
19h 12m
1 stop
ONT9:45 amOntario
$263
Alaska Airlines
Apr 30
ONT7:59 pmOntario
17h 40m
1 stop
FAT1:39 pmFresno Airterminal
May 2
FAT2:33 pmFresno Airterminal
19h 12m
1 stop
ONT9:45 amOntario
$303

Southwest flights from Ontario to Fresno

Our best Southwest deals on Ontario to Fresno flight tickets
Southwest
Mar 24
ONT4:25 pmOntario
6h 25m
2 stops
FAT10:50 pmFresno Airterminal
Mar 25
FAT5:35 pmFresno Airterminal
5h 00m
1 stop
ONT10:35 pmOntario
$276
Southwest
Mar 30
ONT5:25 pmOntario
6h 25m
2 stops
FAT11:50 pmFresno Airterminal
Apr 6
FAT5:15 amFresno Airterminal
3h 05m
1 stop
ONT8:20 amOntario
$296
Southwest
Apr 20
ONT1:55 pmOntario
9h 50m
1 stop
FAT11:45 pmFresno Airterminal
Apr 27
FAT2:55 pmFresno Airterminal
6h 20m
2 stops
ONT9:15 pmOntario
$302

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 6, 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

Fri 3/20

11:17 am-6:07 pm

1 stop6h 50m

Fresno Airterminal

Sun 3/22

10:21 pm-8:06 am

1 stop9h 45m

$200

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Wed 4/1

10:03 pm-9:29 pm

1 stop23h 26m

Fresno Airterminal

Wed 4/8

1:07 pm-9:00 pm

1 stop7h 53m

$206

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Wed 4/1

10:03 pm-9:29 pm

1 stop23h 26m

Fresno Airterminal

Wed 4/8

1:07 pm-11:56 pm

2 stops10h 49m

$243

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 4/14

7:44 pm-12:17 pm

1 stop16h 33m

Fresno Airterminal

Fri 4/17

3:54 pm-8:04 pm

1 stop4h 10m

$246

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 4/21

6:00 am-1:39 pm

1 stop7h 39m

Fresno Airterminal

Sat 4/25

2:33 pm-9:45 am

1 stop19h 12m

$253

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 3/27

11:17 am-5:48 pm

1 stop6h 31m

Fresno Airterminal

Sun 3/29

10:21 pm-8:06 am

1 stop9h 45m

$262

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 5/1

3:26 pm-1:39 pm

1 stop22h 13m

Fresno Airterminal

Tue 5/5

2:33 pm-9:45 am

1 stop19h 12m

$263

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 3/20

11:17 am-6:07 pm

1 stop6h 50m

Fresno Airterminal

Mon 3/23

6:38 pm-1:28 pm

1 stop18h 50m

$269
Quickest round-trip

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 3/24

1:40 pm-8:20 pm

1 stop6h 40m

Fresno Airterminal

Wed 3/25

1:15 pm-5:41 pm

1 stop4h 26m

$271

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 3/24

4:25 pm-10:50 pm

2 stops6h 25m

Fresno Airterminal

Wed 3/25

5:35 pm-10:35 pm

1 stop5h 00m

$276

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 $257. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $407. 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 $288. In contrast, the most expensive time of day to depart to Fresno is in the evening when prices are around $300.

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 39m

Direct flights

None
The fastest flight from Ontario to Fresno takes 3h 39m
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 39m.

  • 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 $229Free CancellationRating
8.0
4,309 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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