FSM - ONT

$541 Find Cheap Flights from Fort Smith to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$541
Typical prices: $474-$576
American Airlines
Mon 9/17Mon 9/24
FSM - ONT • 1 stop
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Booking Insights
Flight Deals

Cheap Flights from Fort Smith to Ontario (FSM-ONT)

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

Recent round-trip flight deals from Fort Smith to Ontario

Thu, Sep 17 - Thu, Sep 24
American Airlines Logo
5:16 pm - 11:36 pmFSM  Fort Smith-ONT Ontario
8h 20m1 stop Dallas/Fort Worth
American Airlines Logo
2:22 pm - 11:57 pmONT  Ontario-FSM Fort Smith
7h 35m1 stop Dallas/Fort Worth
$541American Airlines
Wed, Sep 2 - Sun, Sep 6
American Airlines Logo
5:15 pm - 10:59 pmFSM  Fort Smith-ONT Ontario
7h 44m1 stop Dallas/Fort Worth
American Airlines Logo
2:27 pm - 11:57 pmONT  Ontario-FSM Fort Smith
7h 30m1 stop Dallas/Fort Worth
$610American Airlines
Thu, Sep 17 - Thu, Sep 24
American Airlines Logo
5:16 pm - 11:36 pmFSM  Fort Smith-ONT Ontario
8h 20m1 stop Dallas/Fort Worth
American Airlines Logo
6:15 am - 11:57 pmONT  Ontario-FSM Fort Smith
15h 42m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$673American Airlines
Wed, Sep 2 - Sun, Sep 6
American Airlines Logo
6:00 am - 12:03 pmFSM  Fort Smith-ONT Ontario
8h 03m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
7:05 am - 4:45 pmONT  Ontario-FSM Fort Smith
7h 40m1 stop Dallas/Fort Worth
$731American Airlines
Wed, Sep 2 - Sun, Sep 6
American Airlines Logo
10:11 am - 6:15 pmFSM  Fort Smith-ONT Ontario
10h 04m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
1:17 pm - 11:57 pmONT  Ontario-FSM Fort Smith
8h 40m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$789American Airlines
Thu, Sep 17 - Thu, Sep 24
American Airlines Logo
6:00 am - 12:06 pmFSM  Fort Smith-ONT Ontario
8h 06m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
1:04 pm - 11:57 pmONT  Ontario-FSM Fort Smith
8h 53m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$839American Airlines
Booking Insights

Price, demand and travel trends for Fort Smith to Ontario flights

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

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

Round-trip flights from Fort Smith to Ontario start at $541. Prices are typical for this route right now, with typical round-trip fares ranging from $474 to $576. The lowest price found in the past 5 days was $541 on American Airlines.

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Key details for Fort Smith to Ontario flights

Cheapest flight

$541
Flight from Fort Smith to Ontario

When to book flights from Fort Smith to Ontario

Are your dates flexible? Find out the best times to travel from Fort Smith 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 Fort Smith 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 Fort Smith to Ontario?

    Flights from Fort Smith to Ontario usually depart from Fort Smith (FSM) and arrive at Ontario (ONT).

  • What cabin classes can I book on flights from Fort Smith to Ontario?

    Only Economy Class is available on flights from Fort Smith to Ontario.

  • Which airports do connecting flights from Fort Smith to Ontario pass through?

    Most connecting flights from Fort Smith to Ontario pass through Dallas/Fort Worth (DFW), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

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

    Yes. Being flexible with your travel dates can save you up to 26% on the Fort Smith to Ontario route. Wednesday is the cheapest departure day at $474 round-trip on average, while Thursday is the most expensive at $639, a difference of $165. 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.

  • Do I need a passport to fly from Fort Smith 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 Fort Smith to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $541 to $839. That means the highest observed fare was about 55% higher than the lowest one.

  • What is the time difference between Fort Smith and Ontario?

    Ontario is 2 hours behind Fort Smith (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • 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 Fort Smith to Ontario flight?

    Round-trip flights from Fort Smith to Ontario range from $474 to $576, with an average of $512 over the past 12 months. Anything below $474 counts as a good deal.

Your guide to booking Fort Smith to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.

Everything you need to know for your flight from Fort Smith to Ontario

Information on your arrival and departure airports

Fort Smith (FSM)
Ontario (ONT)