$490 Cheap Flights from Portland (PDX) to Fort Smith (FSM)

View $490 flight on Sat, Nov 29, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Fort Smith, AR (FSM-Fort Smith Regional)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Portland to Fort Smith (PDX-FSM)

Prices were available within the past 7 days and start at $490 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Dec 4 - Sun, Dec 7
PDX
Portland
FSM
Fort Smith
$309 Roundtrip, found 3 hours ago
$309
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Portland to Fort Smith, returning Sun, Dec 7, priced at $309 found 3 hours ago
American Airlines
Thu, Mar 5 - Tue, Mar 10
PDX
Portland
FSM
Fort Smith
$334 Roundtrip, found 2 days ago
$334
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Mar 5 from Portland to Fort Smith, returning Tue, Mar 10, priced at $334 found 2 days ago
American Airlines
Sat, Nov 22 - Wed, Nov 26
PDX
Portland
FSM
Fort Smith
$369 Roundtrip, found 6 days ago
$369
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Nov 22 from Portland to Fort Smith, returning Wed, Nov 26, priced at $369 found 6 days ago
American Airlines
Sat, Nov 22 - Wed, Nov 26
PDX
Portland
FSM
Fort Smith
$379 Roundtrip, found 2 hours ago
$379
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Nov 22 from Portland to Fort Smith, returning Wed, Nov 26, priced at $379 found 2 hours ago
American Airlines
Thu, Dec 4 - Sun, Dec 7
PDX
Portland
FSM
Fort Smith
$394 Roundtrip, found 3 hours ago
$394
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Portland to Fort Smith, returning Sun, Dec 7, priced at $394 found 3 hours ago
American Airlines
Thu, Dec 4 - Sun, Dec 7
PDX
Portland
FSM
Fort Smith
$399 Roundtrip, found 3 hours ago
$399
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Portland to Fort Smith, returning Sun, Dec 7, priced at $399 found 3 hours ago
American Airlines
Wed, Dec 10 - Tue, Dec 16
PDX
Portland
FSM
Fort Smith
$404 Roundtrip, found 20 hours ago
$404
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Portland to Fort Smith, returning Tue, Dec 16, priced at $404 found 20 hours ago
American Airlines
Thu, Mar 5 - Tue, Mar 10
PDX
Portland
FSM
Fort Smith
$419 Roundtrip, found 2 days ago
$419
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Mar 5 from Portland to Fort Smith, returning Tue, Mar 10, priced at $419 found 2 days ago
American Airlines
Tue, Feb 17 - Sat, Mar 7
PDX
Portland
FSM
Fort Smith
$424 Roundtrip, found 2 days ago
$424
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Feb 17 from Portland to Fort Smith, returning Sat, Mar 7, priced at $424 found 2 days ago
American Airlines
Sat, Nov 22 - Wed, Nov 26
PDX
Portland
FSM
Fort Smith
$429 Roundtrip, found 2 hours ago
$429
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Nov 22 from Portland to Fort Smith, returning Wed, Nov 26, priced at $429 found 2 hours ago

Alternative airports near Fort Smith

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Fort Smith Regional FSM. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $369
FSM
Fort Smith Regional
CheapestClosest
Average driving time to city center8 min
Flights from $369

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Fort Smith Regional Airport (FSM) cost?
Secure a cheap one-way flight from $490 or cheap return flight from $309 from Portland Intl. Airport (PDX) to Fort Smith Regional Airport (FSM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Fort Smith Regional Airport (FSM)?
Flying in December is a great way to save, as it's the cheapest month for flights between PDX and FSM. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Fort Smith Regional Airport (FSM)?
To find the cheapest airline flying from PDX to FSM, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Portland Intl. Airport (PDX) to Fort Smith Regional Airport (FSM)?
There aren't any daily direct flights from Portland Intl. Airport (PDX) to Fort Smith Regional Airport (FSM). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from PDX to FSM?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Fort Smith Regional Airport (FSM)?
Book a flight from Portland Intl. Airport (PDX) to Fort Smith Regional Airport (FSM) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Fort Smith Regional Airport (FSM) last-minute?
Waiting until just before your trip to book a flight from PDX to FSM often results in higher prices. Although you may find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a PDX to FSM flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to FSM flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Fort Smith Regional Airport (FSM)?
It's usually possible to cancel or reschedule your PDX to FSM flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Portland Intl.
Destination airport
Fort Smith Regional
Airlines serving
American Airlines
Roundtrip price
$308
Distance
1632 mi

Book with confidence

Portland to Fort Smith Flights

The cheapest times to fly from Portland to Fort Smith

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Fort Smith are during the month of December. You can find some of the cheapest flights from Portland to Fort Smith with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Fort Smith

Sunday is one of the best days to book for cheap flights from Portland to Fort Smith: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Fort Smith

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Fort Smith in 2025. You can also book with separate airlines for your outbound and return journeys, from $490 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Fort Smith flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Fort Smith airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Fort Smith Flights

Explore a world of travel with Expedia

*Available to One Key members.