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Cheap flights from Ontario to Fort Smith from $231

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Fort Smith departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Fort Smith

Cheap round-trip flights

American Airlines Logo
12:47 pm - 10:46 pmONT-FSM
7h 59m1 stop
American Airlines Logo
6:35 pm - 10:42 pmFSM-ONT
6h 07m1 stop
$415American Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
American Airlines Logo
1:00 pm - 10:46 pmONT-FSM
7h 46m2 stops
American Airlines Logo
6:35 pm - 10:42 pmFSM-ONT
6h 07m1 stop
$420American Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
American Airlines Logo
2:54 pm - 10:18 pmONT-FSM
5h 24m1 stop
American Airlines Logo
6:16 pm - 10:18 pmFSM-ONT
6h 02m1 stop
$433American Airlines
Find Deal
Wed, Oct 1 - Mon, Oct 6
American Airlines Logo
1:10 pm - 10:18 pmONT-FSM
7h 08m2 stops
American Airlines Logo
6:16 pm - 11:59 pmFSM-ONT
7h 43m1 stop
$438American Airlines
Find Deal
Wed, Oct 1 - Mon, Oct 6
American Airlines Logo
1:00 pm - 10:46 pmONT-FSM
7h 46m2 stops
American Airlines Logo
6:04 am - 3:24 pmFSM-ONT
11h 20m2 stops
$444American Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
American Airlines Logo
2:30 pm - 11:50 pmONT-FSM
7h 20m1 stop
American Airlines Logo
6:16 pm - 10:18 pmFSM-ONT
6h 02m1 stop
$451American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
1:10 pm - 11:50 pmONT-FSM
8h 40m2 stops
American Airlines Logo
6:16 pm - 10:18 pmFSM-ONT
6h 02m1 stop
$456American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
1:10 pm - 11:50 pmONT-FSM
8h 40m2 stops
American Airlines Logo
6:02 am - 12:01 pmFSM-ONT
7h 59m2 stops
$805American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6

American Airlines flights from Ontario to Fort Smith

Our best American Airlines deals on Ontario to Fort Smith flight tickets
American Airlines
Oct 7
ONT12:47 pmOntario
7h 59m
1 stop
FSM10:46 pmFort Smith
Oct 14
FSM6:35 pmFort Smith
6h 07m
1 stop
ONT10:42 pmOntario
$415
Find similar
American Airlines
Oct 7
ONT1:00 pmOntario
7h 46m
2 stops
FSM10:46 pmFort Smith
Oct 14
FSM6:35 pmFort Smith
6h 07m
1 stop
ONT10:42 pmOntario
$420
Find similar
American Airlines
Oct 1
ONT2:54 pmOntario
5h 24m
1 stop
FSM10:18 pmFort Smith
Oct 6
FSM6:16 pmFort Smith
6h 02m
1 stop
ONT10:18 pmOntario
$433
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 20, 2025.
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

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Tue 10/7

12:47 pm-10:46 pm

1 stop7h 59m

Fort Smith

Tue 10/14

6:35 pm-10:42 pm

1 stop6h 07m

$415

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Tue 10/7

1:00 pm-10:46 pm

2 stops7h 46m

Fort Smith

Tue 10/14

6:35 pm-10:42 pm

1 stop6h 07m

$420

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Wed 10/1

2:54 pm-10:18 pm

1 stop5h 24m

Fort Smith

Mon 10/6

6:16 pm-10:18 pm

1 stop6h 02m

$433

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Wed 10/1

1:10 pm-10:18 pm

2 stops7h 08m

Fort Smith

Mon 10/6

6:16 pm-11:59 pm

1 stop7h 43m

$438

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Tue 10/7

1:00 pm-10:46 pm

2 stops7h 46m

Fort Smith

Tue 10/14

6:04 am-3:24 pm

2 stops11h 20m

$444

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Thu 10/2

2:30 pm-11:50 pm

1 stop7h 20m

Fort Smith

Mon 10/6

6:16 pm-10:18 pm

1 stop6h 02m

$451

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Thu 10/2

1:10 pm-11:50 pm

2 stops8h 40m

Fort Smith

Mon 10/6

6:16 pm-10:18 pm

1 stop6h 02m

$456

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Thu 10/2

1:10 pm-11:50 pm

2 stops8h 40m

Fort Smith

Mon 10/6

6:02 am-12:01 pm

2 stops7h 59m

$805

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Tue 10/7

2:51 pm-10:46 pm

1 stop5h 55m

$231

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Tue 10/7

1:00 pm-10:46 pm

2 stops7h 46m

$236

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Fort Smith from

How to get the cheapest flight ticket from Ontario to Fort Smith

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Fort Smith?

The cheapest day to depart from Ontario to Fort Smith is on a Wednesday. Travelers who choose to depart for Fort Smith on a Wednesday will often find tickets for as low as $565. The most expensive day to fly to Fort Smith is Monday, with ticket prices averaging around $711.

What is the cheapest time of day to depart on your flight to Fort Smith?

In the morning is the cheapest time of day to fly from Ontario to Fort Smith when you can find flight prices for as low as $610. Flying to Fort Smith in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Fort Smith is in the evening when prices are around $755.

Can stopping save me money on Ontario to Fort Smith flights?

You could potentially save up to 27% on your flight if you consider stops on a Ontario to Fort Smith flight.

When to book flights from Ontario to Fort Smith

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Fort Smith according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Fort Smith (ONT to FSM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Fort Smith

Direct flights

None
There are no direct flights from Ontario to Fort Smith. There are no popular flight routes from Ontario to Fort Smith.
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  • How far is Ontario to Fort Smith by plane?

    The distance between Ontario and Fort Smith is about 1319.7 mi. Flights usually cover this in 5h 24m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Fort Smith Airport?

    Prices for flights from Ontario Airport to Fort Smith Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Fort Smith Airport?

  • How old do you have to be to fly from Ontario Airport to Fort Smith Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Fort Smith Airport.

  • What documentation or ID do you need to fly to Fort Smith Airport?

    The travel and health documents required for your trip to Fort Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Fort Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Fort Smith?

Best airlines flying from Ontario to Fort Smith

Compare and see reviews for airlines that fly from Ontario to Fort Smith with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $378Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Fort Smith?

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

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Fort Smith?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Fort Smith. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Fort Smith with flexible booking policies on momondo?

All flight searches from Ontario to Fort Smith on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Fort Smith?

momondo helps you find the best flight between Ontario and Fort Smith by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Fort Smith right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Fort Smith from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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