What airlines fly to Fort Smith?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Fort Smith from Portland according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Fort Smith. Keep in mind that there are 4 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 Portland Airport to Fort Smith Airport?

Prices for flights from Portland Airport to Fort Smith Airport refresh daily.

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

There is 1 operator available for flights from Portland Airport to Fort Smith Airport as of December 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Fort Smith Airport.

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

The required travel and health documents for your Fort Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Fort Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$516 Cheap Flights from Portland to Fort Smith in 2025/26

1 adult

0 bags

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Find the cheapest flights from Portland to Fort Smith

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Cheap round-trip flights

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12:49 am - 9:46 am

PDX

FSM

6h 57m1 stop

6:17 pm - 11:06 pm

FSM

PDX

6h 49m1 stop

$755American Airlines

Sun, Dec 21 - Mon, Dec 29

12:49 am - 9:46 am

PDX

FSM

6h 57m1 stop

6:17 pm - 12:54 am

FSM

PDX

8h 37m1 stop

$865American Airlines

Sun, Dec 21 - Mon, Dec 29

6:20 am - 5:47 pm

PDX

FSM

9h 27m2 stops

6:17 pm - 11:06 pm

FSM

PDX

6h 49m1 stop

$870American Airlines

Mon, Dec 22 - Mon, Dec 29

12:49 am - 9:46 am

PDX

FSM

6h 57m1 stop

6:00 am - 1:49 pm

FSM

PDX

9h 49m2 stops

$1,007American Airlines

Sun, Dec 21 - Mon, Dec 29

6:20 am - 5:47 pm

PDX

FSM

9h 27m2 stops

6:00 am - 1:49 pm

FSM

PDX

9h 49m2 stops

$1,122American Airlines

Mon, Dec 22 - Mon, Dec 29

6:20 am - 5:47 pm

PDX

FSM

9h 27m2 stops

6:00 am - 1:49 pm

FSM

PDX

9h 49m2 stops

$1,259American Airlines

Mon, Dec 22 - Mon, Dec 29

American Airlines flights from Portland to Fort Smith

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

American Airlines

Dec 21

PDX12:49 amPortland

6h 57m

1 stop

FSM9:46 amFort Smith

Dec 29

FSM6:17 pmFort Smith

6h 49m

1 stop

PDX11:06 pmPortland

$755

Find similar

American Airlines

Dec 21

PDX12:49 amPortland

6h 57m

1 stop

FSM9:46 amFort Smith

Dec 29

FSM6:17 pmFort Smith

8h 37m

1 stop

PDX12:54 amPortland

$865

Find similar

American Airlines

Dec 22

PDX6:20 amPortland

9h 27m

2 stops

FSM5:47 pmFort Smith

Dec 29

FSM6:17 pmFort Smith

6h 49m

1 stop

PDX11:06 pmPortland

$870

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandFort Smith

PDX - FSM

PDXFSM

Portland

Sun 12/21

12:49 am-9:46 am

1 stop6h 57m

Fort Smith

Mon 12/29

6:17 pm-11:06 pm

1 stop6h 49m

$755

PortlandFort Smith

PDX - FSM

PDXFSM

Portland

Sun 12/21

12:49 am-9:46 am

1 stop6h 57m

Fort Smith

Mon 12/29

6:17 pm-12:54 am

1 stop8h 37m

$865

PortlandFort Smith

PDX - FSM

PDXFSM

Portland

Mon 12/22

6:20 am-5:47 pm

2 stops9h 27m

Fort Smith

Mon 12/29

6:17 pm-11:06 pm

1 stop6h 49m

$870

PortlandFort Smith

PDX - FSM

PDXFSM

Portland

Sun 12/21

12:49 am-9:46 am

1 stop6h 57m

Fort Smith

Mon 12/29

6:00 am-1:49 pm

2 stops9h 49m

$1,007

PortlandFort Smith

PDX - FSM

PDXFSM

Portland

Mon 12/22

6:20 am-5:47 pm

2 stops9h 27m

Fort Smith

Mon 12/29

6:00 am-1:49 pm

2 stops9h 49m

$1,122

PortlandFort Smith

PDX - FSM

PDXFSM

Portland

Mon 12/22

6:20 am-5:47 pm

2 stops9h 27m

Fort Smith

Mon 12/29

6:00 am-1:49 pm

2 stops9h 49m

$1,259

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portland 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

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

The cheapest day to depart from Portland to Fort Smith is on a Tuesday. Travelers who choose to depart for Fort Smith on a Tuesday will often find tickets for as low as $613. The most expensive day to fly to Fort Smith is Friday, with ticket prices averaging around $890.

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

In the evening is the cheapest time of day to fly from Portland to Fort Smith when you can find flight prices for as low as $613. Flying to Fort Smith in the evening 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 at noon when prices are around $742.

When to book flights from Portland to Fort Smith

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

Estimated round-trip price

Cheap Portland to Fort Smith (PDX to FSM) flight deals and tips

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

Fastest flight time	6h 47m
Direct flights	None

The fastest flight from Portland to Fort Smith takes 6h 47m

There are no direct flights from Portland to Fort Smith. There are no popular flight routes from Portland to Fort Smith.

Search flight deals

How far is Portland to Fort Smith by plane?
Portland and Fort Smith are 1630.8 mi apart from one another. A reasonable flight in good conditions will take 6h 47m.
When did momondo last update prices for flights from Portland Airport to Fort Smith Airport?
Prices for flights from Portland Airport to Fort Smith Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Fort Smith Airport?
There is 1 operator available for flights from Portland Airport to Fort Smith Airport as of December 2025.
How old do you have to be to fly from Portland Airport to Fort Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Fort Smith Airport.
What documentation or ID do you need to fly to Fort Smith Airport?
The required travel and health documents for your Fort Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Fort Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to Fort Smith?
momondo data reveals that the most frequently booked airline on the route from Portland to Fort Smith is American Airlines, representing 100% of all bookings.

Best airlines flying from Portland to Fort Smith

Compare and see reviews for airlines that fly from Portland to Fort Smith with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.2 11,050 reviews		Search American Airlines flights

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Why use momondo?

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

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

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

Yes. All flights to Fort Smith from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Portland 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 Portland to Fort Smith right now. Can momondo alert me if prices change?

Price alerts on flights to Fort Smith from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.