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Cheap flights from Seattle to Seoul from $459

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Seoul departing on 1/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Seoul

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Seoul that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Seoul.

Cheap last minute flights

Planning a quick getaway from Seattle to Seoul? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seoul, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Seoul

Find recent round-trip train or bus tickets from Seattle to Seoul.

All round-trip flight deals to Seoul

The cheapest plane tickets to Seoul found on KAYAK recently.
5:45 am - 5:55 amSEA-ICN
31h 10m2 stops
4:55 pm - 2:30 pmICN-SEA
14h 35m1 stop
Thu, Feb 20 - Tue, Feb 25
5:45 am - 5:55 amSEA-ICN
31h 10m2 stops
4:55 pm - 10:00 pmICN-SEA
22h 05m1 stop
Wed, Feb 26 - Wed, Mar 5
3:05 pm - 3:15 pmSEA-ICN
31h 10m1 stop
4:55 pm - 10:07 pmICN-SEA
22h 12m1 stop
$833Air Canada
Find Deal
Mon, Feb 10 - Mon, Feb 17
5:45 am - 3:15 pmSEA-ICN
16h 30m1 stop
4:55 pm - 2:30 pmICN-SEA
14h 35m1 stop
$883Air Canada
Find Deal
Fri, Feb 14 - Fri, Feb 21
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$900Asiana Airlines
Find Deal
Tue, Feb 18 - Fri, Feb 28
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$904Asiana Airlines
Find Deal
Thu, Feb 20 - Thu, Feb 27
1:10 am - 11:20 amSEA-ICN
18h 10m1 stop
12:35 pm - 7:30 pmICN-SEA
22h 55m1 stop
$925China Airlines
Find Deal
Sun, Mar 16 - Mon, Apr 7
1:10 am - 7:15 pmSEA-ICN
26h 05m1 stop
12:35 pm - 7:30 pmICN-SEA
22h 55m1 stop
$948China Airlines
Find Deal
Sun, Mar 23 - Tue, Apr 8
7:00 pm - 6:20 pmSEA-ICN
30h 20m1 stop
12:10 am - 5:05 pmICN-SEA
33h 55m1 stop
$1,008Turkish Airlines
Find Deal
Wed, Feb 12 - Sun, Feb 16
7:00 pm - 6:20 pmSEA-ICN
30h 20m1 stop
12:10 am - 5:05 pmICN-SEA
33h 55m1 stop
$1,024Turkish Airlines
Find Deal
Wed, Feb 26 - Tue, Mar 4
1:58 pm - 9:05 pmSEA-ICN
38h 07m2 stops
Mon, Jan 27
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$472Asiana Airlines
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Fri, Jan 24
7:05 pm - 3:15 pmSEA-ICN
27h 10m1 stop
$537Air Canada
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Mon, Jan 27
7:05 pm - 3:25 pmSEA-ICN
28h 20m1 stop
$541Air Canada
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Wed, Mar 12
1:10 am - 11:15 amSEA-ICN
18h 05m1 stop
$566China Airlines
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Tue, Apr 29
1:10 am - 11:15 amSEA-ICN
18h 05m1 stop
$584China Airlines
Find Deal
Tue, Apr 15
10:41 am - 4:15 pmSEA-ICN
12h 34mnonstop
$598Korean Air
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Wed, Jan 22
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
$606Korean Air
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Tue, Feb 4
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
$642Delta
Find Deal
Wed, Jan 22
6:10 am - 5:40 pmSEA-ICN
18h 30m1 stop
$647Delta
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Thu, Jan 23
4:30 pm - 4:45 pmSEA-ICN
31h 15m1 stop
6:50 pm - 9:21 pmICN-SEA
19h 31m1 stop
$943American Airlines
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Wed, Jan 15 - Fri, Jan 31
10:35 am - 10:50 pmSEA-ICN
19h 15m2 stops
4:55 pm - 6:30 pmICN-SEA
18h 35m1 stop
$1,039
Find Deal
Wed, Jan 15 - Fri, Jan 31
4:30 pm - 4:45 pmSEA-ICN
31h 15m1 stop
6:50 pm - 9:21 pmICN-SEA
19h 31m1 stop
$1,100American Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 22
7:00 pm - 6:20 pmSEA-ICN
30h 20m1 stop
12:10 am - 5:05 pmICN-SEA
33h 55m1 stop
$1,119Turkish Airlines
Find Deal
Wed, Jan 15 - Thu, Jan 30
7:00 pm - 6:20 pmSEA-ICN
30h 20m1 stop
10:45 am - 5:05 pmICN-SEA
47h 20m1 stop
$1,147Turkish Airlines
Find Deal
Wed, Jan 15 - Mon, Jan 20
6:10 am - 5:40 pmSEA-ICN
18h 30m1 stop
8:05 pm - 1:19 pmICN-SEA
10h 14mnonstop
$1,150Korean Air
Find Deal
Wed, Jan 15 - Wed, Jan 22
10:41 am - 4:15 pmSEA-ICN
12h 34mnonstop
8:05 pm - 1:19 pmICN-SEA
10h 14mnonstop
$1,153Korean Air
Find Deal
Wed, Jan 15 - Wed, Jan 22
6:10 am - 5:40 pmSEA-ICN
18h 30m1 stop
8:05 pm - 1:19 pmICN-SEA
10h 14mnonstop
$1,160Delta
Find Deal
Wed, Jan 15 - Wed, Jan 22
3:05 pm - 3:15 pmSEA-ICN
31h 10m1 stop
4:55 pm - 6:30 pmICN-SEA
18h 35m1 stop
$1,179Air Canada
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Thu, Jan 16 - Sun, Jan 19
6:10 am - 5:40 pmSEA-ICN
18h 30m1 stop
8:05 pm - 1:19 pmICN-SEA
10h 14mnonstop
$1,372Delta
Find Deal
Thu, Jan 16 - Sun, Jan 19
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$895Asiana Airlines
Find Deal
Thu, Feb 27 - Thu, Mar 6
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$900Asiana Airlines
Find Deal
Tue, Feb 18 - Fri, Feb 28
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$904Asiana Airlines
Find Deal
Thu, Feb 20 - Thu, Feb 27
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$906Asiana Airlines
Find Deal
Thu, Feb 20 - Wed, Feb 26
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$1,083Korean Air
Find Deal
Thu, Feb 20 - Thu, Feb 27
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$1,119Korean Air
Find Deal
Wed, Feb 26 - Wed, Mar 5
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
$1,156Delta
Find Deal
Mon, Jan 27 - Thu, Feb 6
11:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
4:40 pm - 10:50 amICN-SEA
10h 10mnonstop
$1,193Delta
Find Deal
Sat, Mar 22 - Wed, Apr 16
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$1,199
Find Deal
Mon, Feb 3 - Tue, Feb 4
2:00 pm - 5:45 pmSEA-ICN
11h 45mnonstop
4:40 pm - 10:50 amICN-SEA
10h 10mnonstop
$1,251
Find Deal
Thu, May 1 - Sat, May 31

Air Canada flights from Seattle to Seoul

Our best Air Canada deals on Seattle to Seoul flight tickets
Air Canada
Feb 10
SEA3:05 pmSeattle/Tacoma Intl
31h 10m
1 stop
ICN3:15 pmIncheon Intl
Feb 17
ICN4:55 pmIncheon Intl
22h 12m
1 stop
SEA10:07 pmSeattle/Tacoma Intl
Air Canada
Feb 14
SEA5:45 amSeattle/Tacoma Intl
16h 30m
1 stop
ICN3:15 pmIncheon Intl
Feb 21
ICN4:55 pmIncheon Intl
14h 35m
1 stop
SEA2:30 pmSeattle/Tacoma Intl
Air Canada
Feb 20
SEA5:45 amSeattle/Tacoma Intl
16h 30m
1 stop
ICN3:15 pmIncheon Intl
Feb 27
ICN4:55 pmIncheon Intl
18h 32m
1 stop
SEA6:27 pmSeattle/Tacoma Intl

American Airlines flights from Seattle to Seoul

Our best American Airlines deals on Seattle to Seoul flight tickets
American Airlines
Feb 19
SEA12:43 amSeattle/Tacoma Intl
23h 02m
1 stop
ICN4:45 pmIncheon Intl
Feb 26
ICN6:50 pmIncheon Intl
21h 33m
1 stop
SEA11:23 pmSeattle/Tacoma Intl
American Airlines
Feb 17
SEA12:25 amSeattle/Tacoma Intl
23h 20m
1 stop
ICN4:45 pmIncheon Intl
Feb 25
ICN6:50 pmIncheon Intl
31h 44m
1 stop
SEA9:34 amSeattle/Tacoma Intl
American Airlines
Feb 26
SEA4:39 pmSeattle/Tacoma Intl
31h 06m
1 stop
ICN4:45 pmIncheon Intl
Mar 5
ICN6:50 pmIncheon Intl
31h 48m
1 stop
SEA9:38 amSeattle/Tacoma Intl

See travel insights to Seoul from

How to get the cheapest flight ticket from Seattle to Seoul

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 month to fly to Seoul?

The month of November is another great option to travel to Seoul, with average flight prices from Seattle averaging around $1,137.

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

According to our data, Thursday is the cheapest day to fly to Seoul from Seattle. The lowest ticket price found for a Thursday departure recently was $1,232. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $1,374.

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

Flying to Seoul from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,083 when looking at flights departing in the evening. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,334 per ticket.

What is the cheapest Seattle/Tacoma Intl to Seoul flight route?

Fly from Seattle/Tacoma Intl to Incheon Intl for the best Seattle/Tacoma Intl - Seoul flight prices

How far in advance should I book a flight to Seoul?

Most flyers found that booking tickets 11 days in advance of their planned departure date is the best time to get cheap flights to Seoul. During this timeframe, flight prices are around $1,335. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $864.

What cabin class options are available on Seattle/Tacoma Intl to Seoul flights?

There are 3 cabin classes available to choose from on Seattle/Tacoma Intl to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Seoul flight prices changed over time?

As of January 2025, prices for Seattle to Seoul flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Seoul

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

Cheap Seattle to Seoul (SEA to SEL) flight deals and tips

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

Best Price Found

$459

Fastest flight time

11h 45m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from Seattle in the past 72 hours is $459. The best round-trip flight deal from Seattle to Seoul found on momondo in the last 72 hours is $801.
The fastest flight from Seattle to Seoul takes 11h 45m
Direct flights go from Seattle to Seoul every day.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)

  • How far is Seattle/Tacoma Intl to Seoul by plane?

    The distance between Seattle/Tacoma Intl and Seoul is about 5167.4 mi. By plane, this route typically takes 11h 45m.

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

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

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

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Seoul?

    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 Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The travel and health documents you'll need for your trip to Seoul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seoul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Seoul?

  • What is the most popular airline from Seattle to Seoul?


Best airlines flying from Seattle to Seoul

Compare and see reviews for airlines that fly from Seattle to Seoul with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $600Free CancellationRating
7.9
2,315 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $769Free CancellationRating
7.4
8,953 reviews
Search United Airlines flights
Air CanadaPriceFrom $849Free CancellationRating
7.0
8,554 reviews
Search Air Canada flights
China AirlinesPriceFrom $856Free CancellationRating
8.2
734 reviews
Search China Airlines flights
Asiana AirlinesPriceFrom $948Free CancellationRating
8.2
460 reviews
Search Asiana Airlines flights
Turkish AirlinesPriceFrom $970Free CancellationRating
7.3
3,908 reviews
Search Turkish Airlines flights
DeltaPriceFrom $985Free CancellationRating
8.0
8,505 reviews
Search Delta flights
Korean AirPriceFrom $986Free CancellationRating
8.4
1,032 reviews
Search Korean Air flights
EVA AirPriceFrom $1,011Free CancellationRating
8.4
1,246 reviews
Search EVA Air flights
  • Korean Air Flights From Seattle to Seoul

    Korean Air operates around 14 flights from Seattle to Seoul every week. The average price of these flights found in the last 72 hours has been $1,358, but momondo users have found Korean Air deals from Seattle to Seoul from as low as $986 round-trip. Korean Air has been scored 8.4/10 in 1,032 reviews.

  • Asiana Airlines Flights From Seattle to Seoul

    Asiana Airlines (8.2/10 from 460 reviews) operates around 7 flights from Seattle to Seoul in any given week. The average Asiana Airlines airfare for this route is around $1,292, with deals from around $948 rare but found on momondo. Referenced prices are for round-trip Seattle to Seoul flight searches in the last 72 hours.


Why use momondo?

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

Finding the right flight to Seoul from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seoul quick and easy, saving you time and money.

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

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

How can momondo help me find flights from Seattle to Seoul?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Seoul.

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

Of course. momondo tracks the price of Seattle to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul