$493+ Cheap flights from Portland to Fort Smith (PDX - FSM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — FSM
Nov 29 — Dec 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Fort Smith with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Fort Smith
Cheapest
Best
Last-minute
Cheapest flights from Portland to Fort SmithExplore the most affordable flight options available from Portland to Fort Smith. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Portland to Fort Smith. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 11/411:49 pm -
1 stop7h 44m
Wed 11/116:00 am -
1 stop7h 06m
Deal found 10/28![American Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/242:34 pm -
1 stop7h 17m
Tue 12/16:03 am -
1 stop7h 04m
Deal found 10/26![American Airlines logo]()
$627
Best flights from Portland to Fort SmithDiscover carefully curated flight deals from Portland to Fort Smith that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Portland to Fort Smith that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/26. 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 4/1611:48 am -
2 stops9h 51m
Tue 4/206:41 pm -
1 stop7h 01m
Deal found 10/26![American Airlines logo]()
$579
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/242:34 pm -
1 stop7h 17m
Tue 12/16:03 am -
1 stop7h 04m
Deal found 10/26![American Airlines logo]()
$627
Last-minute flights from Portland to Fort SmithDiscover last-minute flight deals from Portland to Fort Smith. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Fort Smith. Data last updated October 30, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 11/411:49 pm -
1 stop7h 44m
Wed 11/116:00 am -
1 stop7h 06m
Deal found 10/28![American Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/242:34 pm -
1 stop7h 17m
Tue 12/16:03 am -
1 stop7h 04m
Deal found 10/26![American Airlines logo]()
$627
Find flight deals from Portland to Fort Smith
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Fort Smith (FSM). 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $493 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Portland to Fort Smith that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandFort Smith
PDX Portland - FSM Fort Smith
PDXFSM
Portland
Fri 4/16
11:48 am-11:39 pm
2 stops9h 51m
Fort Smith
Tue 4/20
6:41 pm-11:42 pm
1 stop7h 01m
$579
Quickest round-trip
PortlandFort Smith
PDX Portland - FSM Fort Smith
PDXFSM
Portland
Tue 11/24
2:34 pm-11:51 pm
1 stop7h 17m
Fort Smith
Tue 12/1
6:03 am-11:07 am
1 stop7h 04m
$627
Sorted by cheapest first
Compare providers for flights from Portland to Fort Smith
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 Portland to Fort Smith in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Fort Smith flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Fort Smith flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Fort Smith flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Fort Smith 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 Portland-Fort Smith 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 Portland to Fort Smith
Have a flexible travel schedule? Discover the best time to fly to Fort Smith from Portland with our price prediction graph.
PDX-FSM
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.
Related info for your journey
Find useful and relevant information for your journey from Portland to Fort Smith. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Fort Smith?
Book flights to Fort Smith if you plan to visit one of these locationsVan Buren
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Fort Smith flight routes
Other flight options
Other flights from Portland
Popular flights