Cheap flights from Ontario to Fresno from $120

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 9/27. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Ontario to Fresno (ONT-FAT)

Cheap round-trip flights

 Logo
8:00 am - 7:32 amONT-FAT
23h 32m1 stop
 Logo
10:24 pm - 7:17 amFAT-ONT
8h 53m1 stop
Wed, Oct 29 - Sun, Nov 9
 Logo
8:00 am - 9:24 amONT-FAT
25h 24m1 stop
 Logo
9:58 pm - 7:17 amFAT-ONT
9h 19m1 stop
Wed, Sep 17 - Sun, Sep 21
United Airlines Logo
6:36 pm - 9:54 pmONT-FAT
3h 18m1 stop
United Airlines Logo
6:08 pm - 10:52 pmFAT-ONT
4h 44m1 stop
$217United Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 7
Southwest Logo
5:45 am - 10:00 amONT-FAT
4h 15m1 stop
Southwest Logo
6:00 am - 12:20 pmFAT-ONT
6h 20m2 stops
$222Southwest
Find Deal
Tue, Sep 30 - Tue, Oct 7
 Logo
10:28 pm - 10:19 amONT-FAT
11h 51m1 stop
 Logo
9:58 pm - 7:17 amFAT-ONT
9h 19m1 stop
Fri, Sep 19 - Sun, Sep 21
 Logo
6:05 am - 9:27 pmONT-FAT
15h 22m1 stop
 Logo
10:17 pm - 7:47 amFAT-ONT
9h 30m1 stop
Thu, Oct 16 - Thu, Oct 23
Southwest Logo
6:20 am - 1:35 pmONT-FAT
7h 15m2 stops
Southwest Logo
12:30 pm - 8:40 pmFAT-ONT
8h 10m2 stops
$263Southwest
Find Deal
Tue, Sep 30 - Tue, Oct 7
United Airlines Logo
1:53 pm - 5:51 pmONT-FAT
3h 58m1 stop
United Airlines Logo
6:08 pm - 10:52 pmFAT-ONT
4h 44m1 stop
$277United Airlines
Find Deal
Tue, Sep 30 - Wed, Oct 1
Alaska Airlines Logo
7:10 am - 4:29 pmONT-FAT
9h 19m1 stop
Alaska Airlines Logo
7:55 pm - 10:44 amFAT-ONT
14h 49m1 stop
$362Alaska Airlines
Find Deal
Fri, Sep 26 - Fri, Sep 26
Alaska Airlines Logo
7:43 pm - 3:47 pmONT-FAT
20h 04m1 stop
Alaska Airlines Logo
6:30 am - 12:03 amFAT-ONT
17h 33m1 stop
$372Alaska Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19

United Airlines flights from Ontario to Fresno

Our best United Airlines deals on Ontario to Fresno flight tickets
United Airlines
Sep 30
ONT6:36 pmOntario
3h 18m
1 stop
FAT9:54 pmFresno Airterminal
Oct 7
FAT6:08 pmFresno Airterminal
4h 44m
1 stop
ONT10:52 pmOntario
United Airlines
Sep 30
ONT1:53 pmOntario
3h 58m
1 stop
FAT5:51 pmFresno Airterminal
Oct 1
FAT6:08 pmFresno Airterminal
4h 44m
1 stop
ONT10:52 pmOntario
United Airlines
Sep 29
ONT6:36 pmOntario
5h 08m
1 stop
FAT11:44 pmFresno Airterminal
Oct 1
FAT2:37 pmFresno Airterminal
3h 03m
1 stop
ONT5:40 pmOntario

Southwest flights from Ontario to Fresno

Our best Southwest deals on Ontario to Fresno flight tickets
Southwest
Sep 30
ONT5:45 amOntario
4h 15m
1 stop
FAT10:00 amFresno Airterminal
Oct 7
FAT6:00 amFresno Airterminal
6h 20m
2 stops
ONT12:20 pmOntario
Southwest
Sep 30
ONT6:20 amOntario
7h 15m
2 stops
FAT1:35 pmFresno Airterminal
Oct 7
FAT12:30 pmFresno Airterminal
8h 10m
2 stops
ONT8:40 pmOntario
Southwest
Oct 12
ONT5:15 pmOntario
6h 55m
2 stops
FAT12:10 amFresno Airterminal
Oct 19
FAT5:35 amFresno Airterminal
7h 10m
2 stops
ONT12:45 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 2, 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 10/29

8:00 am-7:32 am

1 stop23h 32m

Fresno Airterminal

Sun 11/9

10:24 pm-7:17 am

1 stop8h 53m

$194

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Wed 9/17

8:00 am-9:24 am

1 stop25h 24m

Fresno Airterminal

Sun 9/21

9:58 pm-7:17 am

1 stop9h 19m

$207

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 9/30

6:36 pm-9:54 pm

1 stop3h 18m

Fresno Airterminal

Tue 10/7

6:08 pm-10:52 pm

1 stop4h 44m

$217

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 9/30

5:45 am-10:00 am

1 stop4h 15m

Fresno Airterminal

Tue 10/7

6:00 am-12:20 pm

2 stops6h 20m

$222

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 9/19

10:28 pm-10:19 am

1 stop11h 51m

Fresno Airterminal

Sun 9/21

9:58 pm-7:17 am

1 stop9h 19m

$228

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 10/16

6:05 am-9:27 pm

1 stop15h 22m

Fresno Airterminal

Thu 10/23

10:17 pm-7:47 am

1 stop9h 30m

$230

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 9/30

6:20 am-1:35 pm

2 stops7h 15m

Fresno Airterminal

Tue 10/7

12:30 pm-8:40 pm

2 stops8h 10m

$263

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 9/30

1:53 pm-5:51 pm

1 stop3h 58m

Fresno Airterminal

Wed 10/1

6:08 pm-10:52 pm

1 stop4h 44m

$277

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 9/26

7:10 am-4:29 pm

1 stop9h 19m

Fresno Airterminal

Fri 9/26

7:55 pm-10:44 am

1 stop14h 49m

$362

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 10/17

7:43 pm-3:47 pm

1 stop20h 04m

Fresno Airterminal

Sun 10/19

6:30 am-12:03 am

1 stop17h 33m

$372

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $299. 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 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 $342.

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
4,237 reviews
Search Southwest flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
8,936 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.

An easier way to manage your Fresno trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 9/7
Sun 9/14

Find better results for your trip to the United States