What airlines fly to Seattle?

American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Seattle from Fort Smith according to our data. American Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of operators available for flights from Fort Smith Airport to Seattle/Tacoma Intl Airport is 1 as of September 2025.

How old do you have to be to fly from Fort Smith Airport to Seattle/Tacoma Intl 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 Fort Smith Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$415 Cheap Flights from Fort Smith to Seattle in 2025/26

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Find the cheapest flights from Fort Smith to Seattle

Round-trip

One-way

Cheap round-trip flights

6:00 am - 10:41 amFSM-SEA

6h 41m1 stop

12:27 am - 9:21 amSEA-FSM

6h 54m1 stop

$469American Airlines

Find Deal

mar., ene. 20 - sáb., ene. 24

10:23 am - 4:51 pmFSM-SEA

8h 28m2 stops

12:27 am - 9:21 amSEA-FSM

6h 54m1 stop

$474American Airlines

Find Deal

mar., ene. 20 - sáb., ene. 24

6:32 pm - 11:09 pmFSM-SEA

6h 37m1 stop

3:57 pm - 11:33 pmSEA-FSM

5h 36m1 stop

$527American Airlines

Find Deal

sáb., feb. 28 - mar., mar. 3

10:27 am - 11:07 pmFSM-SEA

14h 40m2 stops

1:35 am - 9:22 amSEA-FSM

5h 47m1 stop

$532American Airlines

Find Deal

sáb., feb. 28 - lun., mar. 2

10:27 am - 11:07 pmFSM-SEA

14h 40m2 stops

11:52 am - 11:33 pmSEA-FSM

9h 41m2 stops

$537American Airlines

Find Deal

sáb., feb. 28 - mar., mar. 3

10:20 am - 2:48 pmFSM-SEA

6h 28m1 stop

5:11 am - 2:50 pmSEA-FSM

7h 39m1 stop

$545American Airlines

Find Deal

mié., oct. 1 - dom., oct. 5

3:20 pm - 9:58 pmFSM-SEA

8h 38m2 stops

11:55 pm - 9:48 amSEA-FSM

7h 53m1 stop

$550American Airlines

Find Deal

mié., oct. 1 - dom., oct. 5

3:20 pm - 9:58 pmFSM-SEA

8h 38m2 stops

6:11 am - 5:54 pmSEA-FSM

9h 43m2 stops

$689American Airlines

Find Deal

mié., oct. 1 - dom., oct. 5

3:20 pm - 9:58 pmFSM-SEA

8h 38m2 stops

6:30 am - 5:46 pmSEA-FSM

9h 16m2 stops

$890American Airlines

Find Deal

sáb., oct. 4 - dom., oct. 12

10:23 am - 4:51 pmFSM-SEA

8h 28m2 stops

7:00 am - 5:41 pmSEA-FSM

8h 41m2 stops

$1,653American Airlines

Find Deal

mar., ene. 20 - dom., ene. 25

American Airlines flights from Fort Smith to Seattle

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

American Airlines

Jan 20

FSM6:00 amFort Smith

6h 41m

1 stop

SEA10:41 amSeattle/Tacoma Intl

Jan 24

SEA12:27 amSeattle/Tacoma Intl

6h 54m

1 stop

FSM9:21 amFort Smith

$469

Find similar

American Airlines

Jan 20

FSM10:23 amFort Smith

8h 28m

2 stops

SEA4:51 pmSeattle/Tacoma Intl

Jan 24

SEA12:27 amSeattle/Tacoma Intl

6h 54m

1 stop

FSM9:21 amFort Smith

$474

Find similar

American Airlines

Feb 28

FSM6:32 pmFort Smith

6h 37m

1 stop

SEA11:09 pmSeattle/Tacoma Intl

Mar 3

SEA3:57 pmSeattle/Tacoma Intl

5h 36m

1 stop

FSM11:33 pmFort Smith

$527

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Fort SmithSeattle

FSM - SEA

FSMSEA

Fort Smith

mar. 1/20

6:00 am-10:41 am

1 stop6h 41m

Seattle/Tacoma Intl

sáb. 1/24

12:27 am-9:21 am

1 stop6h 54m

$469

Fort SmithSeattle

FSM - SEA

FSMSEA

Fort Smith

mar. 1/20

10:23 am-4:51 pm

2 stops8h 28m

Seattle/Tacoma Intl

sáb. 1/24

12:27 am-9:21 am

1 stop6h 54m

$474

Fort SmithSeattle

FSM - SEA

FSMSEA

Fort Smith

sáb. 2/28

6:32 pm-11:09 pm

1 stop6h 37m

Seattle/Tacoma Intl

mar. 3/3

3:57 pm-11:33 pm

1 stop5h 36m

$527

Fort SmithSeattle

FSM - SEA

FSMSEA

Fort Smith

sáb. 2/28

10:27 am-11:07 pm

2 stops14h 40m

Seattle/Tacoma Intl

lun. 3/2

1:35 am-9:22 am

1 stop5h 47m

$532

Fort SmithSeattle

FSM - SEA

FSMSEA

Fort Smith

sáb. 2/28

10:27 am-11:07 pm

2 stops14h 40m

Seattle/Tacoma Intl

mar. 3/3

11:52 am-11:33 pm

2 stops9h 41m

$537

Fort SmithSeattle

FSM - SEA

FSMSEA

Fort Smith

mié. 10/1

10:20 am-2:48 pm

1 stop6h 28m

Seattle/Tacoma Intl

dom. 10/5

5:11 am-2:50 pm

1 stop7h 39m

$545

Fort SmithSeattle

FSM - SEA

FSMSEA

Fort Smith

mié. 10/1

3:20 pm-9:58 pm

2 stops8h 38m

Seattle/Tacoma Intl

dom. 10/5

11:55 pm-9:48 am

1 stop7h 53m

$550

Fort SmithSeattle

FSM - SEA

FSMSEA

Fort Smith

mié. 10/1

3:20 pm-9:58 pm

2 stops8h 38m

Seattle/Tacoma Intl

dom. 10/5

6:11 am-5:54 pm

2 stops9h 43m

$689

Fort SmithSeattle

FSM - SEA

FSMSEA

Fort Smith

sáb. 10/4

3:20 pm-9:58 pm

2 stops8h 38m

Seattle/Tacoma Intl

dom. 10/12

6:30 am-5:46 pm

2 stops9h 16m

$890

Fort SmithSeattle

FSM - SEA

FSMSEA

Fort Smith

mar. 1/20

10:23 am-4:51 pm

2 stops8h 28m

Seattle/Tacoma Intl

dom. 1/25

7:00 am-5:41 pm

2 stops8h 41m

$1,653

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Fort Smith to Seattle

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 month to fly to Seattle?

In general, June is the cheapest month to fly from Fort Smith to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $190. If you don’t want to visit Seattle in June, then you should wait until November to fly from Fort Smith, when ticket prices are also cheap, with an average price of $443.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Fort Smith is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $563. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Fort Smith because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $768.

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

Flying to Seattle from Fort Smith in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $643 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $730. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 39% on your flight if you consider stops on a Fort Smith to Seattle flight.

When to book flights from Fort Smith to Seattle

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

Estimated round-trip price

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

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

Direct flights	None

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

Search flight deals

How far is Fort Smith to Seattle/Tacoma Intl by plane?
The distance between Fort Smith and Seattle/Tacoma Intl is about 1660.0 mi. 6h 28m is a normal flight duration for this route.
When did momondo last update prices for flights from Fort Smith Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Fort Smith Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Fort Smith Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Fort Smith Airport to Seattle/Tacoma Intl Airport is 1 as of September 2025.
How old do you have to be to fly from Fort Smith Airport to Seattle/Tacoma Intl 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 Fort Smith Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Fort Smith to Seattle?
momondo data reveals that the most frequently booked airline on the route from Fort Smith to Seattle is American Airlines, representing 100% of all bookings.

Best airlines flying from Fort Smith to Seattle

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $436	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Kirkland

Tukwila

Shoreline

Lakewood

Centralia

Fife

Cle Elum

Redmond

Westport

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Seattle from Fort Smith with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Fort Smith.

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

Yes. momondo can track prices for Fort Smith to Seattle 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.