Cheap flights from Ontario to Fresno from $98

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 9/24. 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
0 bags

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Cheap round-trip flights

Multiple Airlines Logo
8:00 am - 1:42 pmONT-FAT
5h 42m1 stop
Multiple Airlines Logo
10:17 pm - 7:17 amFAT-ONT
9h 00m1 stop
$213Multiple Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
Multiple Airlines Logo
10:05 am - 9:27 pmONT-FAT
11h 22m1 stop
Multiple Airlines Logo
6:26 pm - 8:42 pmFAT-ONT
26h 16m1 stop
$217Multiple Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Multiple Airlines Logo
8:00 am - 2:29 pmONT-FAT
6h 29m1 stop
Multiple Airlines Logo
10:17 pm - 7:17 amFAT-ONT
9h 00m1 stop
$218Multiple Airlines
Find Deal
Sat, Oct 4 - Sun, Oct 5
Multiple Airlines Logo
10:47 pm - 7:17 amONT-FAT
8h 30m1 stop
Multiple Airlines Logo
11:07 am - 8:42 pmFAT-ONT
9h 35m1 stop
$224Multiple Airlines
Find Deal
Sun, Oct 26 - Tue, Oct 28
United Airlines Logo
6:36 pm - 11:44 pmONT-FAT
5h 08m1 stop
United Airlines Logo
6:08 pm - 10:52 pmFAT-ONT
4h 44m1 stop
$237United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
6:36 pm - 11:44 pmONT-FAT
5h 08m1 stop
United Airlines Logo
6:08 pm - 10:52 pmFAT-ONT
4h 44m1 stop
$251United Airlines
Find Deal
Sat, Oct 18 - Wed, Oct 22
Southwest Logo
1:00 pm - 8:10 pmONT-FAT
7h 10m2 stops
Southwest Logo
10:15 am - 3:35 pmFAT-ONT
5h 20m1 stop
$283Southwest
Find Deal
Sat, Oct 18 - Wed, Oct 22
Southwest Logo
1:00 pm - 8:10 pmONT-FAT
7h 10m2 stops
Southwest Logo
10:15 am - 5:00 pmFAT-ONT
6h 45m2 stops
$288Southwest
Find Deal
Sat, Oct 18 - Wed, Oct 22
Alaska Airlines Logo
7:43 pm - 3:47 pmONT-FAT
20h 04m1 stop
Alaska Airlines Logo
4:35 pm - 11:05 amFAT-ONT
18h 30m1 stop
$352Alaska Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
Alaska Airlines Logo
1:31 pm - 10:08 pmONT-FAT
8h 37m1 stop
Alaska Airlines Logo
4:35 pm - 11:32 pmFAT-ONT
6h 57m1 stop
$355Alaska Airlines
Find Deal
Sat, Oct 25 - Sun, Oct 26

United Airlines flights from Ontario to Fresno

Our best United Airlines deals on Ontario to Fresno flight tickets
United Airlines
Oct 14
ONT6:36 pmOntario
5h 08m
1 stop
FAT11:44 pmFresno Airterminal
Oct 21
FAT6:08 pmFresno Airterminal
4h 44m
1 stop
ONT10:52 pmOntario
United Airlines
Oct 18
ONT6:36 pmOntario
5h 08m
1 stop
FAT11:44 pmFresno Airterminal
Oct 22
FAT6:08 pmFresno Airterminal
4h 44m
1 stop
ONT10:52 pmOntario
United Airlines
Oct 9
ONT6:36 pmOntario
3h 18m
1 stop
FAT9:54 pmFresno Airterminal
Oct 13
FAT8:31 amFresno Airterminal
3h 42m
1 stop
ONT12:13 pmOntario

Southwest flights from Ontario to Fresno

Our best Southwest deals on Ontario to Fresno flight tickets
Southwest
Oct 18
ONT1:00 pmOntario
7h 10m
2 stops
FAT8:10 pmFresno Airterminal
Oct 22
FAT10:15 amFresno Airterminal
5h 20m
1 stop
ONT3:35 pmOntario
Southwest
Oct 18
ONT1:00 pmOntario
7h 10m
2 stops
FAT8:10 pmFresno Airterminal
Oct 22
FAT10:15 amFresno Airterminal
6h 45m
2 stops
ONT5:00 pmOntario
Southwest
Oct 20
ONT5:55 pmOntario
5h 15m
1 stop
FAT11:10 pmFresno Airterminal
Oct 25
FAT5:45 amFresno Airterminal
8h 50m
2 stops
ONT2:35 pmOntario

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 September 18, 2025.
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

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Wed 10/1

8:00 am-1:42 pm

1 stop5h 42m

Fresno Airterminal

Sun 10/5

10:17 pm-7:17 am

1 stop9h 00m

$213

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 10/16

10:05 am-9:27 pm

1 stop11h 22m

Fresno Airterminal

Mon 10/20

6:26 pm-8:42 pm

1 stop26h 16m

$217

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 10/4

8:00 am-2:29 pm

1 stop6h 29m

Fresno Airterminal

Sun 10/5

10:17 pm-7:17 am

1 stop9h 00m

$218

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sun 10/26

10:47 pm-7:17 am

1 stop8h 30m

Fresno Airterminal

Tue 10/28

11:07 am-8:42 pm

1 stop9h 35m

$224

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 10/14

6:36 pm-11:44 pm

1 stop5h 08m

Fresno Airterminal

Tue 10/21

6:08 pm-10:52 pm

1 stop4h 44m

$237

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 10/18

6:36 pm-11:44 pm

1 stop5h 08m

Fresno Airterminal

Wed 10/22

6:08 pm-10:52 pm

1 stop4h 44m

$251

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 10/18

1:00 pm-8:10 pm

2 stops7h 10m

Fresno Airterminal

Wed 10/22

10:15 am-3:35 pm

1 stop5h 20m

$283

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 10/18

1:00 pm-8:10 pm

2 stops7h 10m

Fresno Airterminal

Wed 10/22

10:15 am-5:00 pm

2 stops6h 45m

$288

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 10/24

7:43 pm-3:47 pm

1 stop20h 04m

Fresno Airterminal

Mon 10/27

4:35 pm-11:05 am

1 stop18h 30m

$352

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 10/25

1:31 pm-10:08 pm

1 stop8h 37m

Fresno Airterminal

Sun 10/26

4:35 pm-11:32 pm

1 stop6h 57m

$355

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 Thursday. Travelers who choose to depart for Fresno on a Thursday will often find tickets for as low as $284. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $429. 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 at noon when flights can be purchased for as low as $280. In contrast, the most expensive time of day to depart to Fresno is in the afternoon when prices are around $349.

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

Direct flights

None
There are no direct flights from Ontario to Fresno. There are no popular flight routes 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 18m.

  • 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
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
8,926 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
Oakhurst
Clovis
Madera
Fish Camp
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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1 adult
Sat 10/18
Sat 10/25

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