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Fort Smith

$513+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FSM
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap 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 August 1, 2026.

This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 9/142:22 pm
ONT
-
FSM
1 stop6h 13m
American Airlines
Tue 9/226:00 am
FSM
-
ONT
1 stop7h 47m
American Airlines
Deal found 7/29$513
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 11/59:29 am
ONT
-
FSM
2 stops12h 24m
American Airlines
Wed 11/115:14 pm
FSM
-
ONT
1 stop8h 29m
American Airlines
Deal found 7/28$567
This American Airlines deal was found by Cheapflights users on 7/31. 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 9/238:25 am
ONT
-
FSM
1 stop6h 18m
American Airlines
Mon 9/286:00 am
FSM
-
ONT
1 stop5h 29m
American Airlines
Deal found 7/31$571
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/132:27 pm
ONT
-
FSM
1 stop7h 30m
American Airlines
Mon 8/1710:11 am
FSM
-
ONT
1 stop5h 20m
American Airlines
Deal found 7/28$657
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/166:15 am
ONT
-
FSM
2 stops14h 20m
American Airlines
Sun 9/2010:06 am
FSM
-
ONT
2 stops10h 07m
American Airlines
Deal found 7/29$788

Find 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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$513
(American Airlines)

Popular in

March

Cheapest in

February

Average price

$621
Provider with most accurate pricing for Ontario-Fort Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Fort Smith flights.
Search Deals
From Ontario to Fort Smith
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($217 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 August 1, 2026.
Use the filters below to find and compare flights from Ontario to Fort Smith that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Mon 9/14

2:22 pm-10:35 pm

1 stop6h 13m

Fort Smith

Tue 9/22

6:00 am-11:47 am

1 stop7h 47m

$513

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Thu 11/5

2:22 pm-11:53 pm

1 stop7h 31m

Fort Smith

Wed 11/11

8:02 pm-11:43 pm

1 stop5h 41m

$513

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Wed 9/16

6:15 am-10:35 pm

2 stops14h 20m

Fort Smith

Sun 9/20

6:00 am-9:29 am

1 stop5h 29m

$554
Quickest round-trip

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Wed 9/23

8:25 am-4:43 pm

1 stop6h 18m

Fort Smith

Mon 9/28

6:00 am-9:29 am

1 stop5h 29m

$571

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Thu 8/13

2:27 pm-11:57 pm

1 stop7h 30m

Fort Smith

Mon 8/17

10:11 am-1:31 pm

1 stop5h 20m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Sorted by cheapest first

Compare providers for flights from Ontario to Fort Smith

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Fort Smith in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Fort Smith flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Fort Smith flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Fort Smith flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Fort Smith flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Fort Smith flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 August 1, 2026.
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
7.1
Good
11,845 reviews

Overall

7.1

Comfort

7.2

Crew

7.9

Food

6.4

Boarding

7.5

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.1
Good
11,845 reviews
American Airlines
7.1
Good
11,845 reviews

Overall

7.1

Comfort

7.2

Crew

7.9

Food

6.4

Boarding

7.5

Entertainment

6.8

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 6h 13m. 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 $432 on 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.

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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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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$432Average$502FlexibilityNo cancel feeOn-time71%

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