What is the cheapest airline that flies from Ontario to Fort Smith?

American Airlines is the most popular carrier operating from Ontario to Fort Smith

What airlines fly to Fort Smith?

American Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Fort Smith from Ontario according to our data. American Airlines is the first choice among our users, with 78% of people opting to fly with this airline when traveling to Fort Smith. Keep in mind that there are 5 different airlines that fly to Fort Smith on a routine basis, so you have a few additional options to choose from.

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?

As of January 2026, there is 1 operator available to choose from 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.

$259 Cheap Flights from Ontario to Fort Smith in 2026

1 adult

0 bags

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Find the cheapest flights from Ontario to Fort Smith

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

ONT

FSM

1319 mimulti-stop

FSM

ONT

1319 mimulti-stop

Multiple Airlines

American Airlines flights from Ontario to Fort Smith

Our best American Airlines deals on Ontario to Fort Smith flight tickets

American Airlines

Jan 10

ONT10:58 amOntario

4h 53m

1 stop

FSM5:51 pmFort Smith

Jan 15

FSM6:21 amFort Smith

5h 47m

1 stop

ONT10:08 amOntario

$530

American Airlines

Jan 10

ONT9:59 amOntario

10h 47m

2 stops

FSM10:46 pmFort Smith

Jan 15

FSM6:21 amFort Smith

5h 47m

1 stop

ONT10:08 amOntario

$535

American Airlines

Jan 10

ONT3:09 pmOntario

5h 37m

1 stop

FSM10:46 pmFort Smith

Jan 17

FSM6:27 pmFort Smith

6h 21m

1 stop

ONT10:48 pmOntario

$583

Fly from

Fly to

Route

Depart

Return

Price

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Thu 3/26

11:58 pm-9:49 am

1 stop7h 51m

$259

OntarioFort Smith

ONT - FSM

ONTFSM

Ontario

Thu 3/26

5:02 pm-9:49 am

2 stops14h 47m

$447

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Airlines

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

You could potentially save up to 14% 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

Fastest flight time	4h 53m
Direct flights	None

The fastest flight from Ontario to Fort Smith takes 4h 53m

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 4h 53m, 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?
As of January 2026, there is 1 operator available to choose from 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?
Based on momondo bookings for flights between Ontario and Fort Smith, the leading airline is American Airlines, making up 100% of the total bookings.

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 Airlines	PriceFrom $406	Free Cancellation	Rating 7.2 11,094 reviews		Search American Airlines flights

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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.