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Cheap flights from Seattle to Seoul from $333

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 1/23. 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.
1:58 pm - 11:35 amSEA-ICN
52h 37m2 stops
1:20 pm - 12:37 pmICN-SEA
16h 17m1 stop
Thu, Jan 23 - Thu, Jan 30
1:55 pm - 11:35 amSEA-ICN
52h 40m2 stops
1:20 pm - 12:37 pmICN-SEA
16h 17m1 stop
Sun, Jan 26 - Thu, Jan 30
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$889Asiana Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
2:00 pm - 5:45 pmSEA-ICN
11h 45mnonstop
6:15 pm - 12:35 pmICN-SEA
10h 20mnonstop
$891Asiana Airlines
Find Deal
Wed, Apr 16 - Thu, Apr 24
5:59 pm - 4:50 amSEA-ICN
17h 51m1 stop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$901Korean Air
Find Deal
Tue, Jan 21 - Tue, Jan 28
10:41 am - 4:15 pmSEA-ICN
12h 34mnonstop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$922Korean Air
Find Deal
Mon, Jan 20 - Mon, Feb 17
3:05 pm - 3:15 pmSEA-ICN
31h 10m1 stop
4:55 pm - 6:30 pmICN-SEA
18h 35m1 stop
$934Air Canada
Find Deal
Fri, Jan 24 - Tue, Jan 28
5:45 am - 3:15 pmSEA-ICN
16h 30m1 stop
4:55 pm - 2:30 pmICN-SEA
14h 35m1 stop
$965Air Canada
Find Deal
Thu, Jan 23 - Thu, Jan 30
10:41 am - 4:15 pmSEA-ICN
12h 34mnonstop
8:05 pm - 1:19 pmICN-SEA
10h 14mnonstop
$988Delta
Find Deal
Wed, Jan 22 - Wed, Jan 29
11:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
8:05 pm - 2:40 pmICN-SEA
10h 35mnonstop
$1,025Delta
Find Deal
Sat, Mar 22 - Thu, Mar 27
1:58 pm - 11:35 amSEA-ICN
52h 37m2 stops
Thu, Jan 23
1:55 pm - 11:35 amSEA-ICN
52h 40m2 stops
Sun, Jan 26
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$472Asiana Airlines
Find Deal
Mon, Feb 3
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$483Asiana Airlines
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Wed, Feb 5
12:50 pm - 4:30 pmSEA-ICN
11h 40mnonstop
$534Korean Air
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Mon, May 5
7:05 pm - 3:15 pmSEA-ICN
27h 10m1 stop
$541Air Canada
Find Deal
Wed, Jan 22
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
$543Korean Air
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Tue, Jan 7
10:41 am - 4:15 pmSEA-ICN
12h 34mnonstop
$570Delta
Find Deal
Wed, Jan 22
7:05 pm - 3:25 pmSEA-ICN
28h 20m1 stop
$591Air Canada
Find Deal
Sat, Mar 22
10:41 am - 4:15 pmSEA-ICN
12h 34mnonstop
$627Delta
Find Deal
Fri, Jan 24
7:15 pm - 3:15 pmSEA-ICN
27h 00m1 stop
4:55 pm - 2:30 pmICN-SEA
14h 35m1 stop
$965Air Canada
Find Deal
Sun, Dec 29 - Tue, Feb 25
7:15 pm - 3:15 pmSEA-ICN
27h 00m1 stop
4:55 pm - 10:07 pmICN-SEA
22h 12m1 stop
$987Air Canada
Find Deal
Sun, Dec 29 - Wed, Feb 26
10:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
$988Delta
Find Deal
Mon, Dec 30 - Thu, Feb 27
10:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
$990Korean Air
Find Deal
Mon, Dec 30 - Tue, Feb 25
11:38 am - 5:10 amSEA-ICN
24h 32m1 stop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$995Korean Air
Find Deal
Mon, Dec 30 - Mon, Feb 24
11:38 am - 5:10 amSEA-ICN
24h 32m1 stop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$1,000Korean Air
Find Deal
Mon, Dec 30 - Wed, Feb 26
10:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
$1,025Delta
Find Deal
Mon, Dec 30 - Sun, Feb 23
7:00 pm - 9:35 amSEA-ICN
45h 35m1 stop
12:10 am - 5:05 pmICN-SEA
33h 55m1 stop
$1,263Turkish Airlines
Find Deal
Mon, Dec 30 - Fri, Feb 21
7:15 am - 9:05 amSEA-ICN
32h 50m2 stops
12:10 am - 5:05 pmICN-SEA
33h 55m1 stop
$1,417Turkish Airlines
Find Deal
Sat, Dec 28 - Tue, Feb 25
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$1,570Asiana Airlines
Find Deal
Fri, Dec 27 - Fri, Feb 28
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$889Asiana Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$891Asiana Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 25
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$896Asiana Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
10:41 am - 4:15 pmSEA-ICN
12h 34mnonstop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$922Korean Air
Find Deal
Mon, Jan 20 - Mon, Feb 17
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$937Korean Air
Find Deal
Mon, Feb 17 - Tue, Mar 4
10:41 am - 4:15 pmSEA-ICN
12h 34mnonstop
8:05 pm - 1:19 pmICN-SEA
10h 14mnonstop
$988Delta
Find Deal
Wed, Jan 22 - Wed, Jan 29
11:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
8:05 pm - 2:40 pmICN-SEA
10h 35mnonstop
$1,025Delta
Find Deal
Sat, Mar 22 - Mon, Mar 24
1:00 pm - 4:40 pmSEA-ICN
11h 40mnonstop
6:15 pm - 12:35 pmICN-SEA
10h 20mnonstop
$1,202
Find Deal
Tue, May 6 - Wed, Jul 16
12:00 pm - 3:55 pmSEA-ICN
11h 55mnonstop
6:15 pm - 11:55 amICN-SEA
9h 40mnonstop
$1,268
Find Deal
Mon, Mar 24 - Tue, Mar 25
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$9,700United Airlines
Find Deal
Fri, Feb 7 - Sun, Feb 16

American Airlines flights from Seattle to Seoul

Our best American Airlines deals on Seattle to Seoul flight tickets
American Airlines
Feb 5
SEA11:50 amSeattle/Tacoma Intl
35h 55m
1 stop
ICN4:45 pmIncheon Intl
Feb 12
ICN6:50 pmIncheon Intl
31h 44m
1 stop
SEA9:34 amSeattle/Tacoma Intl
American Airlines
Feb 3
SEA2:19 pmSeattle/Tacoma Intl
33h 26m
1 stop
ICN4:45 pmIncheon Intl
Feb 10
ICN6:50 pmIncheon Intl
19h 31m
1 stop
SEA9:21 pmSeattle/Tacoma Intl
American Airlines
Feb 5
SEA4:30 pmSeattle/Tacoma Intl
31h 15m
1 stop
ICN4:45 pmIncheon Intl
Feb 12
ICN6:50 pmIncheon Intl
33h 09m
2 stops
SEA10:59 amSeattle/Tacoma Intl

Asiana Airlines flights from Seattle to Seoul

Our best Asiana Airlines deals on Seattle to Seoul flight tickets
Asiana Airlines
Feb 5
SEA12:45 pmSeattle/Tacoma Intl
12h 05m
ICN5:50 pmIncheon Intl
Feb 12
ICN6:15 pmIncheon Intl
9h 40m
SEA10:55 amSeattle/Tacoma Intl
Asiana Airlines
Apr 16
SEA2:00 pmSeattle/Tacoma Intl
11h 45m
ICN5:45 pmIncheon Intl
Apr 24
ICN6:15 pmIncheon Intl
10h 20m
SEA12:35 pmSeattle/Tacoma Intl
Asiana Airlines
Feb 11
SEA12:45 pmSeattle/Tacoma Intl
12h 05m
ICN5:50 pmIncheon Intl
Feb 17
ICN6:15 pmIncheon Intl
9h 40m
SEA10:55 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 $1,340. 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.

Can stopping save me money on Seattle to Seoul flights?

You could potentially save up to 29% on your flight if you consider stops on a Seattle to Seoul flight.

How have Seattle to Seoul flight prices changed over time?

As of December 2024, prices for Seattle to Seoul flights are approximately 36% 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

$333

Fastest flight time

11h 40m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from Seattle in the past 72 hours is $333. The best round-trip flight deal from Seattle to Seoul found on momondo in the last 72 hours is $753.
The fastest flight from Seattle to Seoul takes 11h 40m
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 40m.

  • 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
2,295 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $769Free CancellationRating
7.4
9,006 reviews
Search United Airlines flights
Air CanadaPriceFrom $849Free CancellationRating
7.0
8,426 reviews
Search Air Canada flights
China AirlinesPriceFrom $856Free CancellationRating
8.2
754 reviews
Search China Airlines flights
Asiana AirlinesPriceFrom $970Free CancellationRating
8.2
472 reviews
Search Asiana Airlines flights
Turkish AirlinesPriceFrom $970Free CancellationRating
7.3
3,899 reviews
Search Turkish Airlines flights
DeltaPriceFrom $979Free CancellationRating
8.0
8,580 reviews
Search Delta flights
EVA AirPriceFrom $1,011Free CancellationRating
8.4
1,259 reviews
Search EVA Air flights
Korean AirPriceFrom $1,035Free CancellationRating
8.4
1,023 reviews
Search Korean 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 $1,362, but momondo users have found Korean Air deals from Seattle to Seoul from as low as $1,035 round-trip. Korean Air has been scored 8.4/10 in 1,023 reviews.

  • Asiana Airlines Flights From Seattle to Seoul

    Asiana Airlines (8.2/10 from 472 reviews) operates around 6 flights from Seattle to Seoul in any given week. The average Asiana Airlines airfare for this route is around $1,294, with deals from around $970 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