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$465+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
FSM — ONT
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
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 March 22, 2026.

This American Airlines deal was found by Cheapflights users on 3/18. 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 4/76:41 pm
FSM
-
ONT
1 stop5h 55m
American Airlines
Sat 4/252:08 pm
ONT
-
FSM
1 stop7h 31m
American Airlines
Deal found 3/18$604
This American Airlines deal was found by Cheapflights users on 3/18. 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 4/76:41 pm
FSM
-
ONT
1 stop5h 55m
American Airlines
Fri 4/2412:19 pm
ONT
-
FSM
2 stops9h 20m
American Airlines
Deal found 3/18$627
This American Airlines deal was found by Cheapflights users on 3/18. 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 4/106:41 pm
FSM
-
ONT
1 stop7h 05m
American Airlines
Sat 4/252:08 pm
ONT
-
FSM
1 stop7h 31m
American Airlines
Deal found 3/18$641
This American Airlines deal was found by Cheapflights users on 3/18. 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 4/76:00 am
FSM
-
ONT
1 stop6h 09m
American Airlines
Wed 4/222:08 pm
ONT
-
FSM
1 stop7h 31m
American Airlines
Deal found 3/18$643
This American Airlines deal was found by Cheapflights users on 3/18. 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 4/106:41 pm
FSM
-
ONT
1 stop7h 05m
American Airlines
Tue 5/512:19 pm
ONT
-
FSM
2 stops8h 06m
American Airlines
Deal found 3/18$646
This American Airlines deal was found by Cheapflights users on 3/18. 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 4/711:10 am
FSM
-
ONT
2 stops7h 12m
American Airlines
Tue 4/2812:19 pm
ONT
-
FSM
2 stops8h 06m
American Airlines
Deal found 3/18$653

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$604
(American Airlines)

One-way from

$465
(American Airlines)
Provider with most accurate pricing for Fort Smith-Ontario flight deals.
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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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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 March 22, 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
Quickest round-trip

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Wed 4/8

6:41 pm-10:36 pm

1 stop5h 55m

Ontario

Sat 4/25

2:08 pm-11:39 pm

1 stop7h 31m

$604

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Tue 4/7

11:10 am-6:24 pm

2 stops9h 14m

Ontario

Sat 4/25

12:19 pm-11:39 pm

2 stops9h 20m

$614

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Tue 4/7

6:41 pm-10:36 pm

1 stop5h 55m

Ontario

Fri 4/24

12:19 pm-11:39 pm

2 stops9h 20m

$627

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Mon 4/6

6:24 pm-11:59 pm

1 stop7h 35m

Ontario

Sat 4/25

2:08 pm-11:39 pm

1 stop7h 31m

$641

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Fri 4/10

6:41 pm-11:46 pm

1 stop7h 05m

Ontario

Tue 5/5

12:19 pm-10:25 pm

2 stops8h 06m

$646

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Fri 4/10

11:10 am-6:30 pm

2 stops9h 20m

Ontario

Tue 4/28

12:19 pm-10:25 pm

2 stops8h 06m

$664

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Sun 4/5

6:24 pm-10:30 pm

1 stop6h 06m

Ontario

Thu 4/23

12:19 pm-11:39 pm

2 stops9h 20m

$763

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Thu 4/9

11:10 am-6:30 pm

2 stops9h 20m

Ontario

Thu 4/23

12:19 pm-11:39 pm

2 stops9h 20m

$781

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Tue 4/7

11:10 am-6:24 pm

2 stops9h 14m

Ontario

Sun 4/26

7:35 pm-11:39 pm

2 stops26h 04m

$827
Cheapest one-way
Quickest one-way

Fort SmithOntario

FSM - ONT

FSMONT

Fort Smith

Mon 4/20

6:41 pm-11:46 pm

1 stop7h 05m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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.

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from Fort Smith to Ontario (average of $155). Flying from Fort Smith to Ontario in December is currently the most expensive (average of $268). 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 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 March 22, 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
11,488 reviews

Comfort

7.2

Boarding

7.5

Overall

7.1

Entertainment

6.9

Crew

7.9

Food

6.4

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
11,488 reviews
American Airlines
7.1
Good
11,488 reviews

Comfort

7.2

Boarding

7.5

Overall

7.1

Entertainment

6.9

Crew

7.9

Food

6.4

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 5h 55m. 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.

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from Fort Smith to Ontario (average of $155). Flying from Fort Smith to Ontario in December is currently the most expensive (average of $268). 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

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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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$453Average$526FlexibilityNo cancel feeOn-time71%

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