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Fort Smith

$418+ Cheap flights from Ontario to Fort Smith (ONT - FSM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FSM
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
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 March 18, 2026.

This American Airlines deal was found by Cheapflights users on 3/16. 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 4/92:08 pm
ONT
-
FSM
1 stop7h 31m
American Airlines
Wed 4/156:41 pm
FSM
-
ONT
1 stop7h 05m
American Airlines
Deal found 3/16$551
This American Airlines deal was found by Cheapflights users on 3/17. 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 3/1711:58 pm
ONT
-
FSM
1 stop7h 51m
American Airlines
Tue 3/2410:19 am
FSM
-
ONT
1 stop5h 29m
American Airlines
Deal found 3/17$553
This American Airlines deal was found by Cheapflights users on 3/16. 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 5/277:00 am
ONT
-
FSM
1 stop7h 44m
American Airlines
Sat 5/305:26 pm
FSM
-
ONT
1 stop7h 12m
American Airlines
Deal found 3/16$555
This American Airlines deal was found by Cheapflights users on 3/14. 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 4/112:22 pm
ONT
-
FSM
2 stops9h 27m
American Airlines
Wed 4/811:10 am
FSM
-
ONT
2 stops9h 20m
American Airlines
Deal found 3/14$563
This American Airlines deal was found by Cheapflights users on 3/16. 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 5/2711:59 pm
ONT
-
FSM
1 stop7h 37m
American Airlines
Mon 6/18:19 pm
FSM
-
ONT
1 stop5h 40m
American Airlines
Deal found 3/16$573
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 3/3111:58 pm
ONT
-
FSM
1 stop7h 51m
American Airlines
Mon 4/66:24 pm
FSM
-
ONT
1 stop6h 06m
American Airlines
Deal found 3/15$590
This American Airlines deal was found by Cheapflights users on 3/16. 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 5/2812:40 pm
ONT
-
FSM
1 stop5h 09m
American Airlines
Mon 6/18:19 pm
FSM
-
ONT
1 stop5h 40m
American Airlines
Deal found 3/16$591

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$551
(American Airlines)

One-way from

$418
(American Airlines)

Popular in

March

Cheapest in

June

Average price

$1,246
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
One-way flight from Ontario to Fort Smith
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 18, 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

Wed 4/1

11:58 pm-9:49 am

1 stop7h 51m

Fort Smith

Tue 4/7

6:00 am-10:09 am

1 stop6h 09m

$553

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Wed 5/27

7:00 am-4:44 pm

1 stop7h 44m

Fort Smith

Sat 5/30

5:26 pm-10:38 pm

1 stop7h 12m

$555

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Wed 4/1

11:58 pm-9:49 am

1 stop7h 51m

Fort Smith

Wed 4/8

11:10 am-4:22 pm

2 stops7h 12m

$558

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Wed 5/27

11:59 pm-9:36 am

1 stop7h 37m

Fort Smith

Mon 6/1

8:19 pm-11:59 pm

1 stop5h 40m

$573

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Thu 5/28

1:10 pm-11:57 pm

2 stops8h 47m

Fort Smith

Sat 5/30

8:19 pm-11:59 pm

1 stop5h 40m

$578

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Wed 4/1

2:39 pm-11:49 pm

1 stop7h 10m

Fort Smith

Sun 4/5

6:24 pm-10:30 pm

1 stop6h 06m

$590

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Thu 5/28

1:10 pm-11:57 pm

2 stops8h 47m

Fort Smith

Mon 6/1

8:19 pm-11:59 pm

1 stop5h 40m

$596
Quickest round-trip

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Thu 4/23

10:59 am-6:11 pm

1 stop5h 12m

Fort Smith

Sun 5/3

6:41 pm-10:36 pm

1 stop5h 55m

$627
Cheapest one-way
Quickest one-way

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Sat 4/18

10:54 am-6:11 pm

1 stop5h 17m

$418

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Tue 3/24

11:58 pm-9:49 am

1 stop7h 51m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 March.
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.

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, October is the cheapest month in which you can book a flight from Ontario to Fort Smith (average of $161). Flying from Ontario to Fort Smith in March is currently the most expensive (average of $281). 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 March 18, 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
11,468 reviews

Comfort

7.2

Crew

7.9

Boarding

7.5

Entertainment

6.9

Food

6.4

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,468 reviews
American Airlines
7.1
Good
11,468 reviews

Comfort

7.2

Crew

7.9

Boarding

7.5

Entertainment

6.9

Food

6.4

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 7h 51m. 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 $414 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.

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

    Currently, October is the cheapest month in which you can book a flight from Ontario to Fort Smith (average of $161). Flying from Ontario to Fort Smith in March is currently the most expensive (average of $281). 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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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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$414Average$450FlexibilityNo cancel feeOn-time71%

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