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Cheap flights from Seattle to Seoul from $376

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 1/17. 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 - 3:25 pmSEA-ICN
17h 40m1 stop
4:55 pm - 10:00 pmICN-SEA
21h 05m1 stop
$800Air Canada
Find Deal
Fri, Mar 21 - Thu, Mar 27
5:45 am - 3:15 pmSEA-ICN
16h 30m1 stop
4:55 pm - 10:00 pmICN-SEA
21h 05m1 stop
$821Air Canada
Find Deal
Sun, Mar 2 - Wed, Mar 12
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$887Asiana Airlines
Find Deal
Mon, Feb 3 - Mon, Feb 10
10:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
2:30 pm - 2:55 pmICN-SEA
17h 25m1 stop
$896Korean Air
Find Deal
Tue, Dec 3 - Thu, Dec 12
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$897Asiana Airlines
Find Deal
Tue, Dec 3 - Thu, Dec 12
6:20 am - 5:40 pmSEA-ICN
18h 20m1 stop
2:30 pm - 2:55 pmICN-SEA
17h 25m1 stop
$901Korean Air
Find Deal
Tue, Dec 3 - Thu, Dec 12
7:00 pm - 6:20 pmSEA-ICN
30h 20m1 stop
12:10 am - 6:05 pmICN-SEA
33h 55m1 stop
$968Turkish Airlines
Find Deal
Sun, Mar 2 - Tue, Mar 11
7:00 pm - 6:20 pmSEA-ICN
30h 20m1 stop
12:10 am - 5:05 pmICN-SEA
33h 55m1 stop
$976Turkish Airlines
Find Deal
Sun, Jan 19 - Wed, Jan 29
10:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
8:05 pm - 1:13 pmICN-SEA
10h 08mnonstop
$1,026Delta
Find Deal
Fri, Dec 6 - Tue, Dec 10
10:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
8:05 pm - 1:13 pmICN-SEA
10h 08mnonstop
$1,062Delta
Find Deal
Fri, Dec 6 - Sat, Dec 28
1:58 pm - 11:35 amSEA-ICN
52h 37m2 stops
Fri, Jan 17
2:00 pm - 10:05 pmSEA-ICN
39h 05m2 stops
Mon, Jan 6
5:45 am - 4:45 pmSEA-ICN
18h 00m1 stop
$460Air Canada
Find Deal
Wed, Nov 27
5:45 am - 4:45 pmSEA-ICN
18h 00m1 stop
$461Air Canada
Find Deal
Tue, Nov 26
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$500Asiana Airlines
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Sun, Dec 1
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$515Asiana Airlines
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Sat, Jan 25
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
$543Korean Air
Find Deal
Tue, Nov 26
4:40 pm - 5:20 amSEA-ICN
19h 40m1 stop
$562Korean Air
Find Deal
Tue, Dec 10
10:35 am - 4:15 pmSEA-ICN
12h 40mnonstop
$570Delta
Find Deal
Thu, Nov 28
10:35 am - 4:15 pmSEA-ICN
12h 40mnonstop
$627Delta
Find Deal
Sat, Nov 30
7:15 pm - 4:45 pmSEA-ICN
28h 30m1 stop
4:55 pm - 10:00 pmICN-SEA
22h 05m1 stop
$852Air Canada
Find Deal
Mon, Nov 25 - Fri, Jan 31
5:45 am - 4:45 pmSEA-ICN
18h 00m1 stop
6:20 pm - 2:30 pmICN-SEA
13h 10m1 stop
$853Air Canada
Find Deal
Sun, Nov 24 - Thu, Nov 28
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$939Asiana Airlines
Find Deal
Mon, Nov 25 - Fri, Jan 31
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$940Korean Air
Find Deal
Mon, Nov 25 - Thu, Jan 30
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$941Asiana Airlines
Find Deal
Mon, Nov 25 - Sat, Dec 7
7:05 am - 5:40 pmSEA-ICN
17h 35m1 stop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$967Korean Air
Find Deal
Mon, Nov 25 - Sun, Dec 8
10:35 am - 4:15 pmSEA-ICN
12h 40mnonstop
8:05 pm - 1:13 pmICN-SEA
10h 08mnonstop
$989Delta
Find Deal
Mon, Nov 25 - Tue, Dec 3
10:35 am - 4:15 pmSEA-ICN
12h 40mnonstop
8:05 pm - 1:13 pmICN-SEA
10h 08mnonstop
$1,026Delta
Find Deal
Sun, Nov 24 - Thu, Dec 5
12:10 am - 7:15 pmSEA-ICN
26h 05m1 stop
12:25 pm - 6:15 pmICN-SEA
22h 50m1 stop
$1,072China Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 8
12:10 am - 7:15 pmSEA-ICN
26h 05m1 stop
12:25 pm - 6:15 pmICN-SEA
22h 50m1 stop
$1,076China Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 8
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$887Asiana Airlines
Find Deal
Mon, Feb 3 - Mon, Feb 10
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$897Asiana Airlines
Find Deal
Tue, Dec 3 - Thu, Dec 12
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$907Asiana Airlines
Find Deal
Tue, Dec 3 - Mon, Dec 23
2:00 pm - 5:45 pmSEA-ICN
11h 45mnonstop
6:15 pm - 12:35 pmICN-SEA
10h 20mnonstop
$918Asiana Airlines
Find Deal
Wed, Apr 23 - Mon, Apr 28
1:00 pm - 4:40 pmSEA-ICN
11h 40mnonstop
4:40 pm - 10:50 amICN-SEA
10h 10mnonstop
$954Korean Air
Find Deal
Mon, Apr 7 - Wed, May 7
12:00 pm - 3:55 pmSEA-ICN
11h 55mnonstop
4:40 pm - 10:50 amICN-SEA
10h 10mnonstop
$967Korean Air
Find Deal
Wed, Mar 26 - Wed, Apr 9
10:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
8:05 pm - 1:13 pmICN-SEA
10h 08mnonstop
$989Delta
Find Deal
Wed, Dec 4 - Thu, Dec 12
10:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
8:05 pm - 1:13 pmICN-SEA
10h 08mnonstop
$1,026Delta
Find Deal
Fri, Dec 6 - Tue, Dec 10
12:00 pm - 3:55 pmSEA-ICN
11h 55mnonstop
6:15 pm - 12:35 pmICN-SEA
10h 20mnonstop
$1,278
Find Deal
Mon, Mar 24 - Sat, Apr 12
10:45 am - 4:15 pmSEA-ICN
12h 30mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$1,432
Find Deal
Sun, Jan 5 - Sun, Jan 12

Air Canada flights from Seattle to Seoul

Our best Air Canada deals on Seattle to Seoul flight tickets
Air Canada
Mar 21
SEA5:45 amSeattle/Tacoma Intl
17h 40m
1 stop
ICN3:25 pmIncheon Intl
Mar 27
ICN4:55 pmIncheon Intl
21h 05m
1 stop
SEA10:00 pmSeattle/Tacoma Intl
Air Canada
Mar 2
SEA5:45 amSeattle/Tacoma Intl
16h 30m
1 stop
ICN3:15 pmIncheon Intl
Mar 12
ICN4:55 pmIncheon Intl
21h 05m
1 stop
SEA10:00 pmSeattle/Tacoma Intl
Air Canada
Jan 12
SEA5:45 amSeattle/Tacoma Intl
16h 30m
1 stop
ICN3:15 pmIncheon Intl
Jan 22
ICN4:55 pmIncheon Intl
18h 35m
1 stop
SEA6:30 pmSeattle/Tacoma Intl

Asiana Airlines flights from Seattle to Seoul

Our best Asiana Airlines deals on Seattle to Seoul flight tickets
Asiana Airlines
Feb 3
SEA12:45 pmSeattle/Tacoma Intl
12h 05m
ICN5:50 pmIncheon Intl
Feb 10
ICN6:15 pmIncheon Intl
9h 40m
SEA10:55 amSeattle/Tacoma Intl
Asiana Airlines
Dec 3
SEA12:45 pmSeattle/Tacoma Intl
12h 05m
ICN5:50 pmIncheon Intl
Dec 12
ICN6:15 pmIncheon Intl
9h 40m
SEA10:55 amSeattle/Tacoma Intl
Asiana Airlines
Apr 23
SEA2:00 pmSeattle/Tacoma Intl
11h 45m
ICN5:45 pmIncheon Intl
Apr 28
ICN6:15 pmIncheon Intl
10h 20m
SEA12:35 pmSeattle/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 January is another great option to travel to Seoul, with average flight prices from Seattle averaging around $1,180.

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 $1,250. 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 $1,387.

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 $1,348 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 15 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 $1,341. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $1,056.

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 25% 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 November 2024, prices for Seattle to Seoul flights are approximately 51% 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

$376

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 $376. The best round-trip flight deal from Seattle to Seoul found on momondo in the last 72 hours is $800.
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
2,290 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $769Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
Air CanadaPriceFrom $852Free CancellationRating
7.0
8,246 reviews
Search Air Canada flights
China AirlinesPriceFrom $856Free CancellationRating
8.2
776 reviews
Search China Airlines flights
DeltaPriceFrom $959Free CancellationRating
8.0
8,755 reviews
Search Delta flights
Turkish AirlinesPriceFrom $970Free CancellationRating
7.4
3,920 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,027Free CancellationRating
8.4
1,308 reviews
Search EVA Air flights
Asiana AirlinesPriceFrom $1,027Free CancellationRating
8.3
476 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,056Free CancellationRating
8.4
1,024 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 $1,370, but momondo users have found Korean Air deals from Seattle to Seoul from as low as $1,056 round-trip. Korean Air has been scored 8.4/10 in 1,024 reviews.

  • Asiana Airlines Flights From Seattle to Seoul

    Asiana Airlines (8.3/10 from 476 reviews) operates around 7 flights from Seattle to Seoul in any given week. The average Asiana Airlines airfare for this route is around $1,298, with deals from around $1,027 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