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Cheap flights from Seattle to Seoul from $383

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 3/24. 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 from Seattle to Seoul

The cheapest plane tickets from Seattle to Seoul found on KAYAK recently.
5:45 am - 5:55 amSEA-ICN
31h 10m2 stops
4:55 pm - 10:07 pmICN-SEA
22h 12m1 stop
Mon, Feb 17 - Thu, Feb 20
5:45 am - 6:30 amSEA-ICN
31h 45m2 stops
4:55 pm - 10:07 pmICN-SEA
22h 12m1 stop
Tue, Feb 11 - Mon, Feb 17
11:35 am - 4:15 pmSEA-ICN
12h 40mnonstop
4:15 pm - 6:05 amICN-SEA
29h 50m1 stop
$882Delta
Find Deal
Mon, Mar 24 - Wed, Mar 26
2:05 pm - 5:45 pmSEA-ICN
11h 40mnonstop
6:15 pm - 12:30 pmICN-SEA
10h 15mnonstop
$890Asiana Airlines
Find Deal
Tue, Apr 15 - Sat, Apr 26
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 11:55 amICN-SEA
9h 40mnonstop
$902Asiana Airlines
Find Deal
Wed, Mar 5 - Wed, Mar 12
12:50 pm - 4:30 pmSEA-ICN
11h 40mnonstop
4:40 pm - 10:40 amICN-SEA
10h 00mnonstop
$907Korean Air
Find Deal
Mon, Apr 14 - Mon, Apr 21
7:05 pm - 4:05 pmSEA-ICN
29h 00m1 stop
5:45 pm - 10:13 pmICN-SEA
20h 28m1 stop
$938Air Canada
Find Deal
Wed, Apr 9 - Thu, May 1
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
4:40 pm - 10:40 amICN-SEA
10h 00mnonstop
$942Korean Air
Find Deal
Mon, Feb 10 - Tue, Apr 15
5:45 am - 3:25 pmSEA-ICN
17h 40m1 stop
5:45 pm - 2:23 pmICN-SEA
12h 38m1 stop
$966Air Canada
Find Deal
Tue, Mar 25 - Tue, Apr 22
10:44 am - 4:15 pmSEA-ICN
12h 31mnonstop
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
$989Delta
Find Deal
Tue, Feb 11 - Wed, Feb 26
9:48 am - 10:50 pmSEA-ICN
45h 02m3 stops
Mon, Mar 24
6:53 pm - 10:50 pmSEA-ICN
35h 57m2 stops
Mon, Mar 24
5:41 pm - 11:15 amSEA-ICN
48h 34m3 stops
Mon, Feb 24
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$488Asiana Airlines
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Thu, Feb 20
1:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$491Asiana Airlines
Find Deal
Mon, Mar 10
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
$544Korean Air
Find Deal
Wed, Feb 5
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
$547Korean Air
Find Deal
Mon, Feb 10
11:35 am - 4:15 pmSEA-ICN
12h 40mnonstop
$570Delta
Find Deal
Thu, Mar 20
3:05 pm - 3:15 pmSEA-ICN
31h 10m1 stop
$607Air Canada
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Thu, Jan 30
3:05 pm - 3:15 pmSEA-ICN
31h 10m1 stop
$610Air Canada
Find Deal
Fri, Feb 7
4:30 pm - 4:45 pmSEA-ICN
31h 15m1 stop
6:50 pm - 11:31 pmICN-SEA
21h 41m1 stop
$890American Airlines
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Tue, Jan 28 - Tue, Feb 4
11:59 pm - 4:45 pmSEA-ICN
23h 46m1 stop
6:50 pm - 9:21 pmICN-SEA
19h 31m1 stop
$891American Airlines
Find Deal
Sun, Jan 26 - Sun, Feb 9
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$915Asiana Airlines
Find Deal
Tue, Jan 28 - Tue, Feb 4
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$946Korean Air
Find Deal
Mon, Jan 27 - Tue, Feb 25
10:41 am - 4:15 pmSEA-ICN
12h 34mnonstop
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
$960Korean Air
Find Deal
Mon, Jan 27 - Fri, Feb 28
3:05 pm - 3:15 pmSEA-ICN
31h 10m1 stop
4:55 pm - 10:07 pmICN-SEA
22h 12m1 stop
$974Air Canada
Find Deal
Mon, Jan 27 - Tue, Feb 25
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$1,010Asiana Airlines
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Fri, Jan 24 - Fri, Jan 31
10:41 am - 4:15 pmSEA-ICN
12h 34mnonstop
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
$1,062Delta
Find Deal
Sun, Jan 26 - Sun, Feb 9
5:45 am - 3:15 pmSEA-ICN
16h 30m1 stop
4:55 pm - 10:00 pmICN-SEA
22h 05m1 stop
$1,134Air Canada
Find Deal
Sat, Jan 25 - Mon, Jan 27
6:10 am - 5:40 pmSEA-ICN
18h 30m1 stop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$3,805Delta
Find Deal
Tue, Jan 28 - Tue, Feb 11
2:05 pm - 5:45 pmSEA-ICN
11h 40mnonstop
6:15 pm - 12:30 pmICN-SEA
10h 15mnonstop
$890Asiana Airlines
Find Deal
Tue, Apr 15 - Sat, Apr 26
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 11:55 amICN-SEA
9h 40mnonstop
$902Asiana Airlines
Find Deal
Wed, Mar 5 - Wed, Mar 12
12:50 pm - 4:30 pmSEA-ICN
11h 40mnonstop
4:40 pm - 10:40 amICN-SEA
10h 00mnonstop
$907Korean Air
Find Deal
Mon, Apr 14 - Mon, Apr 21
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$913Asiana Airlines
Find Deal
Wed, Feb 5 - Mon, Feb 17
2:05 pm - 5:45 pmSEA-ICN
11h 40mnonstop
6:15 pm - 12:30 pmICN-SEA
10h 15mnonstop
$915Asiana Airlines
Find Deal
Wed, Apr 16 - Tue, Apr 29
12:50 pm - 4:40 pmSEA-ICN
11h 50mnonstop
4:40 pm - 10:40 amICN-SEA
10h 00mnonstop
$940Korean Air
Find Deal
Thu, Apr 17 - Wed, Apr 23
10:44 am - 4:15 pmSEA-ICN
12h 31mnonstop
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
$989Delta
Find Deal
Mon, Feb 10 - Wed, Feb 26
10:44 am - 4:15 pmSEA-ICN
12h 31mnonstop
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
$1,026Delta
Find Deal
Sun, Feb 9 - Wed, Feb 26
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$1,158
Find Deal
Mon, Feb 10 - Tue, Feb 11
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$1,357
Find Deal
Sat, Feb 22 - Sun, Feb 23

Delta flights from Seattle to Seoul

Our best Delta deals on Seattle to Seoul flight tickets
Delta
Mar 24
SEA11:35 amSeattle/Tacoma Intl
12h 40m
ICN4:15 pmIncheon Intl
Mar 26
ICN4:15 pmIncheon Intl
29h 50m
1 stop
SEA6:05 amSeattle/Tacoma Intl
Delta
Feb 11
SEA10:44 amSeattle/Tacoma Intl
12h 31m
ICN4:15 pmIncheon Intl
Feb 26
ICN8:05 pmIncheon Intl
10h 25m
SEA1:30 pmSeattle/Tacoma Intl
Delta
Feb 9
SEA10:44 amSeattle/Tacoma Intl
12h 31m
ICN4:15 pmIncheon Intl
Feb 27
ICN8:05 pmIncheon Intl
10h 25m
SEA1:30 pmSeattle/Tacoma Intl

Hawaiian Airlines flights from Seattle to Seoul

Our best Hawaiian Airlines deals on Seattle to Seoul flight tickets
Hawaiian Airlines
Mar 2
SEA7:00 amSeattle/Tacoma Intl
19h 25m
1 stop
ICN7:25 pmIncheon Intl
Mar 12
ICN9:25 pmIncheon Intl
16h 30m
1 stop
SEA9:55 pmSeattle/Tacoma Intl
Hawaiian Airlines
Apr 24
SEA8:15 amSeattle/Tacoma Intl
18h 45m
1 stop
ICN7:00 pmIncheon Intl
May 7
ICN9:25 pmIncheon Intl
27h 00m
1 stop
SEA8:25 amSeattle/Tacoma Intl
Hawaiian Airlines
Apr 25
SEA8:15 amSeattle/Tacoma Intl
18h 45m
1 stop
ICN7:00 pmIncheon Intl
May 5
ICN9:25 pmIncheon Intl
24h 50m
1 stop
SEA6:15 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 typical price of a round-trip flight between Seattle and Seoul?

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, Tuesday is the cheapest day to fly to Seoul from Seattle. The lowest ticket price found for a Tuesday departure recently was $1,019. 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 Friday, with ticket prices averaging around $1,159.

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

Flying to Seoul from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,024 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,259 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?

You are more likely to see cheaper flights to Seoul from Seattle when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,329 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Seattle for as low as $1,169 on momondo.

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

$383

Fastest flight time

11h 25m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from Seattle in the past 72 hours is $383. The best round-trip flight deal from Seattle to Seoul found on momondo in the last 72 hours is $757.
The fastest flight from Seattle to Seoul takes 11h 25m
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
2,332 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $769Free CancellationRating
7.4
8,971 reviews
Search United Airlines flights
Air CanadaPriceFrom $849Free CancellationRating
7.0
8,635 reviews
Search Air Canada flights
China AirlinesPriceFrom $856Free CancellationRating
8.2
732 reviews
Search China Airlines flights
Asiana AirlinesPriceFrom $948Free CancellationRating
8.2
466 reviews
Search Asiana Airlines flights
Turkish AirlinesPriceFrom $970Free CancellationRating
7.3
3,926 reviews
Search Turkish Airlines flights
DeltaPriceFrom $985Free CancellationRating
8.0
8,508 reviews
Search Delta flights
Korean AirPriceFrom $986Free CancellationRating
8.4
1,037 reviews
Search Korean Air flights
EVA AirPriceFrom $1,011Free CancellationRating
8.4
1,252 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 1,037 reviews.

  • Asiana Airlines Flights From Seattle to Seoul

    Asiana Airlines (8.2/10 from 466 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