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$475+ Cheap flights from Fort Smith to Ontario (FSM - ONT)

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
FSM — ONT
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
1 adult, Economy
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Cheap flight deals from Fort Smith to Ontario

Cheapest flights from Fort Smith to Ontario
Explore the most affordable flight options available from Fort Smith to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.

This American Airlines deal was found by Cheapflights users on 6/17. 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.
Fri 7/35:15 pm
FSM
-
ONT
1 stop7h 17m
American Airlines
Fri 7/107:00 am
ONT
-
FSM
1 stop7h 44m
American Airlines
Deal found 6/17$561
This American Airlines deal was found by Cheapflights users on 6/20. 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 9/216:00 am
FSM
-
ONT
1 stop5h 29m
American Airlines
Mon 9/2812:37 pm
ONT
-
FSM
1 stop7h 58m
American Airlines
Deal found 6/20$589
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Sun 6/2810:06 am
FSM
-
ONT
1 stop5h 22m
American Airlines
Sun 7/511:59 pm
ONT
-
FSM
1 stop7h 37m
American Airlines
Deal found 6/16$647

Find flight deals from Fort Smith to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Fort Smith (FSM) to Ontario (ONT). 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 June 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$561
(American Airlines)

One-way from

$475
(American Airlines)

Popular in

September

Cheapest in

August

Average price

$710
Provider with most accurate pricing for Fort Smith-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Fort Smith-Ontario flights.
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From Fort Smith to Ontario
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One-way flight from Fort Smith to Ontario
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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Fort Smith to Ontario 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 June 21, 2026.
Use the filters below to find and compare flights from Fort Smith to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Fri 7/3

5:15 pm-10:32 pm

1 stop7h 17m

Ontario

Fri 7/10

7:00 am-4:44 pm

1 stop7h 44m

$561
Quickest round-trip

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Mon 9/21

6:00 am-9:29 am

1 stop5h 29m

Ontario

Mon 9/28

12:37 pm-10:35 pm

1 stop7h 58m

$589
Cheapest one-way
Quickest one-way

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Fri 7/10

8:18 pm-11:59 pm

1 stop5h 41m

$475

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Fri 6/26

10:06 am-6:21 pm

2 stops10h 15m

$516

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Thu 7/9

6:10 am-12:02 pm

2 stops7h 52m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/20

Sorted by cheapest first

Compare providers for flights from Fort Smith to Ontario

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 Fort Smith to Ontario in June.
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 Fort Smith-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Fort Smith-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Fort Smith-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Fort Smith-Ontario 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 Fort Smith-Ontario 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 Fort Smith to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Fort Smith 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 Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 21, 2026.
Read reviews from past customers who have flown American Airlines from Fort Smith to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,723 reviews

Comfort

7.2

Overall

7.1

Crew

7.9

Entertainment

6.8

Food

6.4

Boarding

7.5

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
11,723 reviews
American Airlines
7.1
Good
11,723 reviews

Comfort

7.2

Overall

7.1

Crew

7.9

Entertainment

6.8

Food

6.4

Boarding

7.5

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 Fort Smith to Ontario. 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 Fort Smith to Ontario?

    Airlines like American Airlines fly from Fort Smith to Ontario in about 7h 17m. The time it takes to get you to your destination can typically vary by up to . The distance between Fort Smith and Ontario is about 1319 mi.

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

    Flying on American Airlines is currently your cheapest option to Ontario, with prices starting at $453.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Fort Smith to Ontario 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

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Top airline flying from Fort Smith to Ontario

Discover the top airline that operate flights from Fort Smith to Ontario. 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 June 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$453Average$511FlexibilityNo cancel feeOn-time71%

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