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Fort Smith

$417+ Cheap flights from Ontario to Fort Smith (ONT - FSM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FSM
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Ontario to Fort Smith

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Fort Smith (FSM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$417
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$414
From Ontario to Fort Smith
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Fort Smith

Cheapest flights from Ontario to Fort Smith
Explore the most affordable flight options available from Ontario to Fort Smith. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/182:51 pmONT - FSM
1 stop5h 55mAmerican Airlines
Sat 10/256:35 pmFSM - ONT
1 stop6h 07mAmerican Airlines
Deal found 9/14$417
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:57 amONT - FSM
1 stop4h 52mAmerican Airlines
Tue 10/146:35 pmFSM - ONT
1 stop6h 07mAmerican Airlines
Deal found 9/13$434
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/242:54 pmONT - FSM
1 stop5h 24mAmerican Airlines
Sat 9/276:32 pmFSM - ONT
1 stop6h 01mAmerican Airlines
Deal found 9/14$453
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:10 pmONT - FSM
2 stops7h 08mAmerican Airlines
Sat 10/116:04 amFSM - ONT
1 stop6h 03mAmerican Airlines
Deal found 9/15$517
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:15 amONT - FSM
1 stop7h 37mAmerican Airlines
Mon 10/66:16 pmFSM - ONT
1 stop7h 43mAmerican Airlines
Deal found 9/12$527

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Fort Smith 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, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Ontario to Fort Smith that are best for you.

Fly from

Ontario

Fly to

Fort Smith

Route

Depart

Return

Price

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Sat 10/18

2:51 pm-10:46 pm

1 stop5h 55m

Fort Smith

Sat 10/25

6:35 pm-10:42 pm

1 stop6h 07m

$417

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Tue 10/7

10:57 am-5:49 pm

1 stop4h 52m

Fort Smith

Tue 10/14

6:35 pm-10:42 pm

1 stop6h 07m

$434

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Wed 10/1

8:15 am-5:52 pm

1 stop7h 37m

Fort Smith

Sat 10/11

6:04 am-10:07 am

1 stop6h 03m

$453

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Fri 10/3

8:15 am-5:52 pm

1 stop7h 37m

Fort Smith

Mon 10/6

6:16 pm-11:59 pm

1 stop7h 43m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Ontario to Fort Smith

Have a flexible travel schedule? Discover the best time to fly to Fort Smith from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Ontario to Fort Smith?

Currently, August is the cheapest month in which you can book a flight from Ontario to Fort Smith (average of $429). Flying from Ontario to Fort Smith in March is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Fort Smith

Get insights into the airlines that provide service to Fort Smith. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Fort Smith. Reviews last updated September 15, 2025.
Read through reviews of airlines operating flights from Ontario to Fort Smith, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Overall

7.2

Food

6.4

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Overall

7.2

Food

6.4

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Ontario to Fort Smith. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Fort Smith?

    There are many flights that can get you from Ontario to Fort Smith in 5h 55m. Fly via American Airlines to get the fastest option. The distance from Ontario to Fort Smith is about 1319 mi.

  • What is the cheapest airline to fly from Ontario to Fort Smith round-trip?

    Our cheapest airline available from Ontario to Fort Smith is American Airlines. Our recent data shows that you can find tickets from as low as $378 on this airline. You may be able to fly from Ontario to Fort Smith for 16% less than the average price by searching for this airline.

  • Can I find deals for flights from Ontario to Fort Smith that include hotel bookings?

    Yes. In addition to deals on Ontario to Fort Smith flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Fort Smith?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Fort Smith.

  • Can I find deals for business class flights from Ontario to Fort Smith?

    Yes. Cheapflights offers flight deals from Ontario to Fort Smith by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Fort Smith?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Fort Smith (average of $429). Flying from Ontario to Fort Smith in March is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Fort Smith?

Book flights to Fort Smith if you plan to visit one of these locations
Van Buren

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Alternative routes for Ontario to Fort Smith

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Top airline flying from Ontario to Fort Smith

Discover the top airline that operate flights from Ontario to Fort Smith. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$378Average$432FlexibilityNo cancel feeOn-time71%

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