Which airports can I use when flying from Fresno to Ontario?

Flights from Fresno to Ontario usually depart from Fresno Airterminal (FAT) and arrive at Ontario (ONT).

What cabin classes can I book on flights from Fresno to Ontario?

Only Economy Class is available on flights from Fresno to Ontario.

Which airports do connecting flights from Fresno to Ontario pass through?

Connecting flights from Fresno to Ontario most commonly pass through: • Las Vegas Harry Reid Intl (LAS) - 56% of one-stop connections • San Francisco (SFO) - 44% of one-stop connections

Can I save money by using flexible dates for flights from Fresno to Ontario?

Yes. Flexible dates can save you up to 39% on flights from Fresno to Ontario. Thursday is the cheapest departure day at $348 round-trip on average, while Tuesday is the most expensive at $570, a difference of $222. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Ontario?

Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

How long is a flight from Fresno to Ontario?

There are currently no nonstop flights available from Fresno to Ontario. Flights with 1 layover take between 4h 06m and 5h 07m in total, depending on the connection.

Do I need a passport to fly from Fresno to Ontario?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Fresno to Ontario changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $246 to $1,601. That means the highest observed fare was about 7x higher than the lowest one.

How are flight prices from Fresno to Ontario looking right now?

One-way fares from Fresno to Ontario are currently lower than usual. Average one-way flight prices are about $164, which is 26% below the typical average for this route.

How much time can I save by choosing a different layover airport from Fresno to Ontario?

Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 4h 06m, compared with 5h 07m via Las Vegas Harry Reid Intl (LAS).

What car rental options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include: • Fox • Thrifty • Europcar • Dollar • Alamo

How much should I expect to pay for a Fresno to Ontario flight?

Round-trip flights from Fresno to Ontario range from $366 to $492, with an average of $458 over the past 12 months. Anything below $366 counts as a good deal.

How much is a round-trip flight from Fresno to Ontario?

Round-trip flights from Fresno to Ontario typically range from $366 to $492. The lowest price found in the past 5 days was $246, on Southwest.

Which airline is the cheapest to fly from Fresno to Ontario?

Southwest ($246) offered the cheapest round-trip ticket from Fresno to Ontario in the last 5 days.

What’s the most popular layover airport when flying from Fresno to Ontario?

Las Vegas Harry Reid Intl (LAS) is the most popular layover for the Fresno to Ontario route. 56% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via LAS.

What is the cheapest layover airport when flying from Fresno to Ontario?

Flights via Las Vegas Harry Reid Intl (LAS) offer the most affordable fares, with an average round-trip price of $439. Based on KAYAK data over the past 3 months.

When flying from Fresno to Ontario which airport offers the shortest layover?

San Francisco (SFO) had the shortest average connection time for Fresno to Ontario layovers at 2h 48m over the past 3 months.

$123 CHEAP FLIGHTS from Fresno to Ontario (FAT - ONT)

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Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$246

Typical prices: $366-$492

Southwest

Sat 11/3Sat 11/10

FAT - ONT • 1 stop

Cheapest one-way

$123

Typical prices: $173-$299

Southwest

Sun 11/18

FAT - ONT • 1 stop

When to travel

August

Cheapest • 24% price drop

June

Most popular

Good to know

Top layover airports

Las Vegas Harry Reid Intl (LAS)

Cheapest • Avg $439 (round-trip)

San Francisco (SFO)

Shortest trip • 4h 06m (one-way)

Insights

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We hope you love your trip to Ontario!

Flight Deals

Cheap Flights from Fresno to Ontario (FAT-ONT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Fresno to Ontario

Tue, Nov 3 - Tue, Nov 10

11:25 am - 2:30 pmFAT Fresno Airterminal-ONT Ontario

3h 05m1 stop Las Vegas Harry Reid Intl

5:00 pm - 8:40 pmONT Ontario-FAT Fresno Airterminal

3h 40m1 stop Las Vegas Harry Reid Intl

$246Southwest

Wed, Nov 18 - Wed, Nov 18

11:25 am - 2:30 pmFAT Fresno Airterminal-ONT Ontario

3h 05m1 stop Las Vegas Harry Reid Intl

5:00 pm - 8:40 pmONT Ontario-FAT Fresno Airterminal

3h 40m1 stop Las Vegas Harry Reid Intl

$246Southwest

Tue, Nov 3 - Tue, Nov 10

6:00 am - 9:45 amFAT Fresno Airterminal-ONT Ontario

3h 45m1 stop Las Vegas Harry Reid Intl

3:05 pm - 9:20 pmONT Ontario-FAT Fresno Airterminal

6h 15m2 stops San Jose San Diego

$252Southwest

Tue, Nov 3 - Fri, Nov 6

5:07 pm - 4:21 pmFAT Fresno Airterminal-ONT Ontario

23h 14m1 stop Las Vegas Harry Reid Intl

8:35 pm - 10:19 amONT Ontario-FAT Fresno Airterminal

13h 44m1 stop Las Vegas Harry Reid Intl

$254Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

2:40 pm - 9:00 pmFAT Fresno Airterminal-ONT Ontario

6h 20m2 stops Las Vegas Harry Reid Intl San Jose

3:05 pm - 9:20 pmONT Ontario-FAT Fresno Airterminal

6h 15m2 stops San Jose San Diego

$257Southwest

Mon, Nov 2 - Mon, Nov 9

3:35 pm - 9:55 pmFAT Fresno Airterminal-ONT Ontario

6h 20m1 stop Las Vegas Harry Reid Intl

6:50 pm - 11:45 pmONT Ontario-FAT Fresno Airterminal

4h 55m1 stop Las Vegas Harry Reid Intl

$258Southwest

Sat, Oct 31 - Sat, Nov 7

5:40 am - 8:50 amFAT Fresno Airterminal-ONT Ontario

3h 10m1 stop Las Vegas Harry Reid Intl

5:45 am - 9:05 amONT Ontario-FAT Fresno Airterminal

3h 20m1 stop Las Vegas Harry Reid Intl

$258Southwest

Fri, Oct 30 - Sat, Oct 31

5:20 am - 10:20 amFAT Fresno Airterminal-ONT Ontario

5h 00m1 stop Las Vegas Harry Reid Intl

12:35 pm - 5:50 pmONT Ontario-FAT Fresno Airterminal

5h 15m1 stop Denver Intl

$262Southwest

Mon, Nov 2 - Mon, Nov 9

10:40 am - 4:40 pmFAT Fresno Airterminal-ONT Ontario

6h 00m1 stop Las Vegas Harry Reid Intl

3:55 pm - 10:10 pmONT Ontario-FAT Fresno Airterminal

6h 15m2 stops San Jose San Diego

$264Southwest

Wed, Nov 4 - Wed, Nov 11

2:40 pm - 8:40 pmFAT Fresno Airterminal-ONT Ontario

6h 00m1 stop Las Vegas Harry Reid Intl

3:05 pm - 9:20 pmONT Ontario-FAT Fresno Airterminal

6h 15m2 stops San Jose San Diego

$264Southwest

Recent last minute flight deals from Fresno to Ontario

Tue, Oct 13 - Tue, Oct 20

6:00 am - 10:23 amFAT Fresno Airterminal-ONT Ontario

4h 23m1 stop San Francisco

4:03 pm - 10:11 pmONT Ontario-FAT Fresno Airterminal

6h 08m1 stop San Francisco

$604United Airlines

Thu, Oct 15 - Thu, Oct 22

6:04 pm - 10:51 pmFAT Fresno Airterminal-ONT Ontario

4h 47m1 stop San Francisco

1:52 pm - 5:46 pmONT Ontario-FAT Fresno Airterminal

3h 54m1 stop San Francisco

$604United Airlines

Sun, Oct 11 - Fri, Oct 16

10:20 pm - 7:40 pmFAT Fresno Airterminal-ONT Ontario

21h 20m2 stops Las Vegas Harry Reid Intl San Francisco

8:35 pm - 10:17 amONT Ontario-FAT Fresno Airterminal

13h 42m1 stop Las Vegas Harry Reid Intl

$613Multiple Airlines

Sun, Oct 11 - Fri, Oct 16

9:42 am - 4:30 pmFAT Fresno Airterminal-ONT Ontario

6h 48m1 stop Las Vegas Harry Reid Intl

2:28 pm - 2:28 pmONT Ontario-FAT Fresno Airterminal

24h 00m1 stop Las Vegas Harry Reid Intl

$621Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

6:00 am - 10:23 amFAT Fresno Airterminal-ONT Ontario

4h 23m1 stop San Francisco

1:52 pm - 5:46 pmONT Ontario-FAT Fresno Airterminal

3h 54m1 stop San Francisco

$629United Airlines

Tue, Oct 13 - Fri, Oct 16

6:00 am - 10:23 amFAT Fresno Airterminal-ONT Ontario

4h 23m1 stop San Francisco

4:03 pm - 10:11 pmONT Ontario-FAT Fresno Airterminal

6h 08m1 stop San Francisco

$629United Airlines

Wed, Oct 14 - Thu, Oct 15

6:04 pm - 10:51 pmFAT Fresno Airterminal-ONT Ontario

4h 47m1 stop San Francisco

1:24 pm - 8:52 pmONT Ontario-FAT Fresno Airterminal

7h 28m1 stop Denver Intl

$629United Airlines

Wed, Oct 14 - Thu, Oct 15

5:00 am - 12:46 pmFAT Fresno Airterminal-ONT Ontario

7h 46m1 stop Denver Intl

4:03 pm - 10:11 pmONT Ontario-FAT Fresno Airterminal

6h 08m1 stop San Francisco

$629United Airlines

Sat, Oct 10 - Sun, Oct 11

3:18 pm - 11:16 amFAT Fresno Airterminal-ONT Ontario

19h 58m1 stop Las Vegas Harry Reid Intl

8:35 pm - 8:57 amONT Ontario-FAT Fresno Airterminal

12h 22m1 stop Las Vegas Harry Reid Intl

$677Multiple Airlines

Sun, Oct 11 - Mon, Oct 12

10:00 am - 3:22 pmFAT Fresno Airterminal-ONT Ontario

5h 22m1 stop San Francisco

6:32 pm - 11:55 pmONT Ontario-FAT Fresno Airterminal

5h 23m1 stop San Francisco

$733United Airlines

Booking Insights

Price, demand and travel trends for Fresno to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Fresno to Ontario? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Fresno to Ontario departing in november.

Find deals

Low season	February
High season	June
Cheapest flight	$123

One-way flight from Fresno to Ontario

When to book flights from Fresno to Ontario

Are your dates flexible? Find out the best times to travel from Fresno to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Fresno to Ontario?
Only Economy Class is available on flights from Fresno to Ontario.
How long is a flight from Fresno to Ontario?
There are currently no nonstop flights available from Fresno to Ontario. Flights with 1 layover take between 4h 06m and 5h 07m in total, depending on the connection.
Do I need a passport to fly from Fresno to Ontario?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Fresno to Ontario flight?
Round-trip flights from Fresno to Ontario range from $366 to $492, with an average of $458 over the past 12 months. Anything below $366 counts as a good deal.
Have flight prices from Fresno to Ontario changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $246 to $1,601. That means the highest observed fare was about 7x higher than the lowest one.
How are flight prices from Fresno to Ontario looking right now?
One-way fares from Fresno to Ontario are currently lower than usual. Average one-way flight prices are about $164, which is 26% below the typical average for this route.
What car rental options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

• Fox
• Thrifty
• Europcar
• Dollar
• Alamo
Which airports can I use when flying from Fresno to Ontario?
Flights from Fresno to Ontario usually depart from Fresno Airterminal (FAT) and arrive at Ontario (ONT).
Which airports do connecting flights from Fresno to Ontario pass through?
Connecting flights from Fresno to Ontario most commonly pass through:

• Las Vegas Harry Reid Intl (LAS) - 56% of one-stop connections
• San Francisco (SFO) - 44% of one-stop connections
Can I save money by using flexible dates for flights from Fresno to Ontario?
Yes. Flexible dates can save you up to 39% on flights from Fresno to Ontario. Thursday is the cheapest departure day at $348 round-trip on average, while Tuesday is the most expensive at $570, a difference of $222.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Fresno to Ontario?
Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 4h 06m, compared with 5h 07m via Las Vegas Harry Reid Intl (LAS).
What popular places can I visit in Ontario?
Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

If your dates are flexible, aim for a Thursday departure and avoid flying on Tuesday. On this route, Thursday flights average $348, about $222 less than Tuesday fares (39% savings) based on the last 12 months.
If you can choose when to travel, plan your Fresno to Ontario trip for August. Fares historically average $348 round-trip in that month - typically $239 less than the most expensive month, which is September (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

• Azure Hotel & Suites, Trademark Collection by Wyndham
• La Quinta Inn & Suites by Wyndham Ontario Airport
• Ontario Airport Inn

More options for your flight from Fresno to Ontario

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FAT - ONT

$123 Find Cheap Flights from Fresno to Ontario - Compare and Save

Everything you should know

Cheap Flights from Fresno to Ontario (FAT-ONT)

Recent round-trip flight deals from Fresno to Ontario

Recent one-way flight deals from Fresno to Ontario

Recent last minute flight deals from Fresno to Ontario

Price, demand and travel trends for Fresno to Ontario flights

How much is a round-trip flight from Fresno to Ontario?

Which airline is the cheapest to fly from Fresno to Ontario?

What’s the most popular layover airport when flying from Fresno to Ontario?

What is the cheapest layover airport when flying from Fresno to Ontario?

When flying from Fresno to Ontario which airport offers the shortest layover?

Key details for Fresno to Ontario flights

Low season

High season

Cheapest flight

When to book flights from Fresno to Ontario

Your Fresno to Ontario flight questions, answered

Your guide to booking Fresno to Ontario flights

More options for your flight from Fresno to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Fresno to Ontario

Find direct flights to and from Fresno and Ontario

Flights from domestic origins to Ontario

Flights to other popular destinations

Find deals for your return flight