Cheap flights from Seattle to Fort Smith from $354

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Fort Smith departing on 1/3. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:59 am - 9:46 am
SEA
-
FSM
6h 47m1 stop
American Airlines Logo
6:27 pm - 11:51 pm
FSM
-
SEA
7h 24m1 stop
$354American Airlines
Sat, Jan 3 - Mon, Jan 12
American Airlines Logo
7:07 am - 5:47 pm
SEA
-
FSM
8h 40m1 stop
American Airlines Logo
6:17 pm - 11:08 pm
FSM
-
SEA
6h 51m1 stop
$379American Airlines
Thu, Jan 1 - Mon, Jan 5
American Airlines Logo
6:30 am - 5:47 pm
SEA
-
FSM
9h 17m2 stops
American Airlines Logo
6:17 pm - 11:08 pm
FSM
-
SEA
6h 51m1 stop
$568American Airlines
Thu, Jan 1 - Mon, Jan 5
American Airlines Logo
11:45 am - 10:27 pm
SEA
-
FSM
8h 42m2 stops
American Airlines Logo
6:27 pm - 11:51 pm
FSM
-
SEA
7h 24m1 stop
$730American Airlines
Sun, Jan 4 - Mon, Jan 12
American Airlines Logo
6:30 am - 5:47 pm
SEA
-
FSM
9h 17m2 stops
American Airlines Logo
6:00 am - 2:11 pm
FSM
-
SEA
10h 11m2 stops
$873American Airlines
Thu, Jan 1 - Mon, Jan 5
American Airlines Logo
11:45 am - 10:27 pm
SEA
-
FSM
8h 42m2 stops
American Airlines Logo
10:34 am - 6:05 pm
FSM
-
SEA
9h 31m2 stops
$1,041American Airlines
Sun, Jan 4 - Mon, Jan 12

American Airlines flights from Seattle to Fort Smith

Our best American Airlines deals on Seattle to Fort Smith flight tickets
American Airlines
Jan 3
SEA12:59 amSeattle/Tacoma Intl
6h 47m
1 stop
FSM9:46 amFort Smith
Jan 12
FSM6:27 pmFort Smith
7h 24m
1 stop
SEA11:51 pmSeattle/Tacoma Intl
American Airlines
Jan 1
SEA7:07 amSeattle/Tacoma Intl
8h 40m
1 stop
FSM5:47 pmFort Smith
Jan 5
FSM6:17 pmFort Smith
6h 51m
1 stop
SEA11:08 pmSeattle/Tacoma Intl
American Airlines
Jan 1
SEA6:30 amSeattle/Tacoma Intl
9h 17m
2 stops
FSM5:47 pmFort Smith
Jan 5
FSM6:17 pmFort Smith
6h 51m
1 stop
SEA11:08 pmSeattle/Tacoma Intl

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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 December 18, 2025.
Use the filters below to find and compare flights from Seattle to Fort Smith that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleFort Smith

SEA - FSM

SEAFSM

Seattle/Tacoma Intl

Sat 1/3

12:59 am-9:46 am

1 stop6h 47m

Fort Smith

Mon 1/12

6:27 pm-11:51 pm

1 stop7h 24m

$354

SeattleFort Smith

SEA - FSM

SEAFSM

Seattle/Tacoma Intl

Thu 1/1

7:07 am-5:47 pm

1 stop8h 40m

Fort Smith

Mon 1/5

6:17 pm-11:08 pm

1 stop6h 51m

$379

SeattleFort Smith

SEA - FSM

SEAFSM

Seattle/Tacoma Intl

Thu 1/1

6:30 am-5:47 pm

2 stops9h 17m

Fort Smith

Mon 1/5

6:17 pm-11:08 pm

1 stop6h 51m

$568

SeattleFort Smith

SEA - FSM

SEAFSM

Seattle/Tacoma Intl

Sun 1/4

11:45 am-10:27 pm

2 stops8h 42m

Fort Smith

Mon 1/12

6:27 pm-11:51 pm

1 stop7h 24m

$730

SeattleFort Smith

SEA - FSM

SEAFSM

Seattle/Tacoma Intl

Thu 1/1

6:30 am-5:47 pm

2 stops9h 17m

Fort Smith

Mon 1/5

6:00 am-2:11 pm

2 stops10h 11m

$873

SeattleFort Smith

SEA - FSM

SEAFSM

Seattle/Tacoma Intl

Sun 1/4

11:45 am-10:27 pm

2 stops8h 42m

Fort Smith

Mon 1/12

10:34 am-6:05 pm

2 stops9h 31m

$1,041

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 Seattle 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 Seattle 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 $508. The most expensive day to fly to Fort Smith is Sunday, with ticket prices averaging around $1,130.

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

In the afternoon is the cheapest time of day to fly from Seattle to Fort Smith when you can find flight prices for as low as $558. Flying to Fort Smith in the afternoon 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 morning when prices are around $800.

When to book flights from Seattle to Fort Smith

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

Cheap Seattle to Fort Smith (SEA to FSM) flight deals and tips

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

Fastest flight time

6h 35m

Direct flights

None
The fastest flight from Seattle to Fort Smith takes 6h 35m
There are no direct flights from Seattle to Fort Smith. There are no popular flight routes from Seattle to Fort Smith.
  • How far is Seattle/Tacoma Intl to Fort Smith by plane?

    The straight-line distance from Seattle/Tacoma Intl to Fort Smith is 1660.0 mi. Typically, this will take 6h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Fort Smith Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Fort Smith Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Fort Smith Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl 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 Seattle/Tacoma Intl 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 Seattle to Fort Smith?

Best airlines flying from Seattle to Fort Smith

Compare and see reviews for airlines that fly from Seattle to Fort Smith with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $436Free CancellationRating
7.2
11,055 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 Seattle to Fort Smith?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Fort Smith for you.

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

Flights from Seattle to Fort Smith with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Seattle to Fort Smith flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Seattle to Fort Smith flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Sat 1/17
Sat 1/24

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