FSM - ONT

$583 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
$990
Typical prices: $474-$576
American Airlines
Mon 3/19Tue 3/27
FSM - ONT • 1 stop
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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

Fri, Mar 19 - Sat, Mar 27
American Airlines Logo
5:12 pm - 10:25 pmFSM  Fort Smith-ONT Ontario
7h 13m1 stop Dallas/Fort Worth
American Airlines Logo
2:22 pm - 10:17 pmONT  Ontario-FSM Fort Smith
5h 55m1 stop Dallas/Fort Worth
$990American Airlines
Sat, Mar 20 - Sat, Mar 27
American Airlines Logo
6:00 am - 9:42 amFSM  Fort Smith-ONT Ontario
5h 42m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 4:40 pmONT  Ontario-FSM Fort Smith
7h 40m1 stop Dallas/Fort Worth
$1,041American Airlines
Fri, Mar 19 - Sun, Mar 28
American Airlines Logo
6:00 am - 12:01 pmFSM  Fort Smith-ONT Ontario
8h 01m1 stop Dallas/Fort Worth
American Airlines Logo
11:59 pm - 9:32 amONT  Ontario-FSM Fort Smith
7h 33m1 stop Dallas/Fort Worth
$1,045American Airlines
Sat, Mar 20 - Sat, Mar 27
American Airlines Logo
10:04 am - 3:31 pmFSM  Fort Smith-ONT Ontario
7h 27m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
2:22 pm - 10:17 pmONT  Ontario-FSM Fort Smith
5h 55m1 stop Dallas/Fort Worth
$1,046American Airlines
Fri, Feb 12 - Sat, Mar 13
American Airlines Logo
5:12 pm - 10:25 pmFSM  Fort Smith-ONT Ontario
7h 13m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 4:40 pmONT  Ontario-FSM Fort Smith
7h 40m1 stop Dallas/Fort Worth
$1,136American Airlines
Fri, Feb 12 - Sat, Mar 13
American Airlines Logo
5:12 pm - 10:25 pmFSM  Fort Smith-ONT Ontario
7h 13m1 stop Dallas/Fort Worth
American Airlines Logo
6:10 am - 4:40 pmONT  Ontario-FSM Fort Smith
8h 30m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$1,200American Airlines
Fri, Feb 12 - Sat, Mar 13
American Airlines Logo
10:04 am - 6:50 pmFSM  Fort Smith-ONT Ontario
10h 46m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
6:10 am - 4:40 pmONT  Ontario-FSM Fort Smith
8h 30m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$1,277American 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 with more confidence.

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

Round-trip flights from Fort Smith to Ontario typically range from $474 to $576. The lowest price found in the past 5 days was $990, on American Airlines.

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Key details for Fort Smith to Ontario flights

Cheapest flight

$990
Round-trip 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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.

  • 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 $990 to $1,277. That means the highest observed fare was about 28% higher than the lowest one.

  • 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 Fort Smith to Ontario?

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

  • 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.

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

    Yes. Flexible dates can save you up to 18% on flights from Fort Smith to Ontario. Wednesday is the cheapest departure day at $474 round-trip on average, while Saturday is the most expensive at $576, a difference of $102.

    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 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 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.

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.

More options for your flight from Fort Smith to Ontario

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

Car rentals in Ontario
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