FAT - ONT

$102 Find Cheap Flights from Fresno to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$209
Typical prices: $350-$488
Multiple Airlines
Fri 9/21Tue 9/25
FAT - ONT • 1 stop
Cheapest one-way
$102
Typical prices: $178-$338
Multiple Airlines
Thu 10/4
FAT - ONT • 1 stop
When to travel
November
Cheapest • 20% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Las Vegas Harry Reid Intl (LAS)
Cheapest • Avg $398 (round-trip)
San Francisco (SFO)
Shortest trip • 4h 15m (one-way)
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Insights
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Cheap Flights from Fresno to Ontario (FAT-ONT)

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

Recent round-trip flight deals from Fresno to Ontario

Mon, Sep 21 - Fri, Sep 25
Multiple Airlines Logo
8:28 pm - 9:09 amFAT  Fresno Airterminal-ONT Ontario
12h 41m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:24 pm - 2:32 pmONT  Ontario-FAT Fresno Airterminal
18h 08m1 stop Las Vegas Harry Reid Intl
$209Multiple Airlines
Mon, Oct 5 - Mon, Oct 12
Multiple Airlines Logo
8:47 am - 4:59 pmFAT  Fresno Airterminal-ONT Ontario
8h 12m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:35 pm - 4:17 pmONT  Ontario-FAT Fresno Airterminal
19h 42m1 stop Las Vegas Harry Reid Intl
$237Multiple Airlines
Sun, Sep 13 - Fri, Sep 18
Multiple Airlines Logo
6:25 pm - 11:22 amFAT  Fresno Airterminal-ONT Ontario
16h 57m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:24 pm - 10:19 amONT  Ontario-FAT Fresno Airterminal
13h 55m1 stop Las Vegas Harry Reid Intl
$240Multiple Airlines
Fri, Oct 30 - Mon, Nov 2
Multiple Airlines Logo
10:03 pm - 9:05 amFAT  Fresno Airterminal-ONT Ontario
11h 02m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:35 pm - 4:17 pmONT  Ontario-FAT Fresno Airterminal
19h 42m1 stop Las Vegas Harry Reid Intl
$247Multiple Airlines
Fri, Oct 30 - Tue, Nov 3
Multiple Airlines Logo
10:03 pm - 4:21 pmFAT  Fresno Airterminal-ONT Ontario
18h 18m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:35 am - 4:17 pmONT  Ontario-FAT Fresno Airterminal
5h 42m1 stop Las Vegas Harry Reid Intl
$247Multiple Airlines
Thu, Sep 10 - Sat, Sep 12
Multiple Airlines Logo
6:25 pm - 7:04 amFAT  Fresno Airterminal-ONT Ontario
12h 39m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:04 am - 2:32 pmONT  Ontario-FAT Fresno Airterminal
4h 28m1 stop Las Vegas Harry Reid Intl
$248Multiple Airlines
Sat, Oct 3 - Sat, Oct 10
Multiple Airlines Logo
11:07 am - 4:34 pmFAT  Fresno Airterminal-ONT Ontario
5h 27m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:04 am - 2:28 pmONT  Ontario-FAT Fresno Airterminal
4h 24m1 stop Las Vegas Harry Reid Intl
$249Multiple Airlines
Fri, Oct 30 - Sat, Oct 31
Multiple Airlines Logo
8:42 am - 4:21 pmFAT  Fresno Airterminal-ONT Ontario
7h 39m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:00 am - 2:28 pmONT  Ontario-FAT Fresno Airterminal
4h 28m1 stop Las Vegas Harry Reid Intl
$251Multiple Airlines
Thu, Dec 17 - Thu, Jan 7
United Airlines Logo
8:08 am - 11:58 amFAT  Fresno Airterminal-ONT Ontario
3h 50m1 stop San Francisco
United Airlines Logo
1:33 pm - 7:49 pmONT  Ontario-FAT Fresno Airterminal
6h 16m1 stop San Francisco
$284United Airlines
Mon, Sep 28 - Sat, Oct 3
United Airlines Logo
6:00 am - 12:18 pmFAT  Fresno Airterminal-ONT Ontario
6h 18m1 stop San Francisco
United Airlines Logo
11:10 am - 5:46 pmONT  Ontario-FAT Fresno Airterminal
6h 36m1 stop San Francisco
$349United 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 from Fresno to Ontario with more confidence.

What's the cheapest day of the week to fly from Fresno to Ontario?

Monday is the cheapest day of the week to fly from Fresno to Ontario, it is 21% cheaper than the average day. Saturday is the most expensive day with flight prices 59% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Fresno to Ontario flights

Low season

February

Cheapest flight

$102
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly with an average 69% increase in price.
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

Your Fresno to Ontario flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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?

    One-stop flights from Fresno to Ontario most commonly connect through:

    • San Francisco (SFO) - 65% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 30% of one-stop connections
    • Portland (PDX) - 3% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 3% of one-stop connections

    San Francisco (SFO) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 50% on the Fresno to Ontario route. Monday is the cheapest departure day at $328 round-trip on average, while Saturday is the most expensive at $656, a difference of $328. 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, Ontario Mills 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 15m and 5h 50m 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 $209 to $1,563. 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 $148, which is 36% 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 15m, compared with 5h 02m via Las Vegas Harry Reid Intl (LAS) and 5h 03m via Phoenix Sky Harbor Intl (PHX).

  • 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 $350 to $488, with an average of $411 over the past 12 months. Anything below $350 counts as a good deal.

Your guide to booking Fresno to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average $328 - about $328 less than Saturday (50% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Fresno to Ontario trip for November. Fares historically average $328 round-trip in that month - typically $369 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
    - Holiday Inn Ontario Airport By IHG

Everything you need to know for your flight from Fresno to Ontario

Information on your arrival and departure airports

Fresno (FAT)
Ontario (ONT)