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Cheap flights from Seoul to Seattle from $334

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to Seattle departing on 5/7. 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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0 bags

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Find the cheapest flights from Seoul to Seattle

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seoul to Seattle.
Air Canada Logo
5:45 pm - 2:16 pmICN-SEA
12h 31m1 stop
Air Canada Logo
7:15 pm - 4:05 pmSEA-ICN
28h 50m1 stop
$433Air Canada
Find Deal
Th. 4, Thg. 9 10 - Th. 4, Thg. 9 24
Air Canada Logo
5:45 pm - 6:36 pmICN-SEA
16h 51m1 stop
Air Canada Logo
5:45 am - 4:05 pmSEA-ICN
18h 20m1 stop
$442Air Canada
Find Deal
Th. 3, Thg. 9 9 - Th. 3, Thg. 9 23
Korean Air Logo
7:20 pm - 1:35 pmICN-SEA
10h 15mnonstop
Korean Air Logo
12:40 pm - 4:30 pmSEA-ICN
11h 50mnonstop
$471Korean Air
Find Deal
Th. 4, Thg. 5 7 - Th. 4, Thg. 5 14
Korean Air Logo
7:20 pm - 1:35 pmICN-SEA
10h 15mnonstop
Korean Air Logo
12:40 pm - 4:30 pmSEA-ICN
11h 50mnonstop
$473Korean Air
Find Deal
Th. 3, Thg. 5 6 - Th. 2, Thg. 5 19
United Airlines Logo
11:30 am - 2:18 pmICN-SEA
18h 48m1 stop
United Airlines Logo
3:35 pm - 3:00 pmSEA-ICN
31h 25m2 stops
$477United Airlines
Find Deal
Th. 4, Thg. 4 16 - Th. 3, Thg. 4 22
United Airlines Logo
11:30 am - 9:43 pmICN-SEA
26h 13m2 stops
United Airlines Logo
5:10 pm - 3:00 pmSEA-ICN
29h 50m2 stops
$479United Airlines
Find Deal
Th. 5, Thg. 4 17 - Th. 3, Thg. 4 22
Delta Logo
7:20 pm - 1:35 pmICN-SEA
10h 15mnonstop
Delta Logo
6:15 am - 5:20 pmSEA-ICN
19h 05m1 stop
$566Delta
Find Deal
Th. 5, Thg. 5 29 - Th. 3, Thg. 8 19
Delta Logo
4:00 pm - 6:59 pmICN-SEA
18h 59m1 stop
Delta Logo
12:40 pm - 4:30 pmSEA-ICN
11h 50mnonstop
$574Delta
Find Deal
Th. 5, Thg. 4 17 - CN, Thg. 4 20
Asiana Airlines Logo
6:20 pm - 12:30 pmICN-SEA
10h 10mnonstop
Asiana Airlines Logo
2:15 pm - 5:55 pmSEA-ICN
11h 40mnonstop
$601Asiana Airlines
Find Deal
Th. 3, Thg. 5 13 - Th. 6, Thg. 6 6
Asiana Airlines Logo
6:20 pm - 12:30 pmICN-SEA
10h 10mnonstop
Asiana Airlines Logo
2:15 pm - 5:55 pmSEA-ICN
11h 40mnonstop
$602Asiana Airlines
Find Deal
Th. 4, Thg. 4 16 - Th. 6, Thg. 5 9

Air Canada flights from Seoul to Seattle

Our best Air Canada deals on Seoul to Seattle flight tickets
Air Canada
Sep 10
ICN5:45 pmIncheon Intl
12h 31m
1 stop
SEA2:16 pmSeattle/Tacoma Intl
Sep 24
SEA7:15 pmSeattle/Tacoma Intl
28h 50m
1 stop
ICN4:05 pmIncheon Intl
Air Canada
Sep 9
ICN5:45 pmIncheon Intl
16h 51m
1 stop
SEA6:36 pmSeattle/Tacoma Intl
Sep 23
SEA5:45 amSeattle/Tacoma Intl
18h 20m
1 stop
ICN4:05 pmIncheon Intl
Air Canada
Sep 12
ICN5:45 pmIncheon Intl
20h 31m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
Sep 17
SEA5:45 amSeattle/Tacoma Intl
18h 20m
1 stop
ICN4:05 pmIncheon Intl

Korean Air flights from Seoul to Seattle

Our best Korean Air deals on Seoul to Seattle flight tickets
Korean Air
May 7
ICN7:20 pmIncheon Intl
10h 15m
SEA1:35 pmSeattle/Tacoma Intl
May 14
SEA12:40 pmSeattle/Tacoma Intl
11h 50m
ICN4:30 pmIncheon Intl
Korean Air
May 6
ICN7:20 pmIncheon Intl
10h 15m
SEA1:35 pmSeattle/Tacoma Intl
May 19
SEA12:40 pmSeattle/Tacoma Intl
11h 50m
ICN4:30 pmIncheon Intl
Korean Air
May 29
ICN7:20 pmIncheon Intl
10h 15m
SEA1:35 pmSeattle/Tacoma Intl
Jun 12
SEA12:55 pmSeattle/Tacoma Intl
11h 35m
ICN4:30 pmIncheon Intl

See travel insights to Seattle from

How to get the cheapest flight ticket from Seoul 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

What is the typical price of a round-trip flight between Seoul and Seattle?

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Seoul to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $670. If you don’t want to visit Seattle in March, then you should wait until February to fly from Seoul, when ticket prices are also cheap, with an average price of $704.

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

On average, the least expensive day to fly to Seattle from Seoul is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,004. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Seoul because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,440.

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

Flying to Seattle from Seoul in the morning is the least expensive time of day to depart. momondo users have found prices as low as $922 when looking at flights departing in the morning. Flights to Seattle are more costly in the evening, with an average ticket price of $1,254. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

You are more likely to see cheaper flights to Seattle from Seoul when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $941 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Seoul for as low as $795 on momondo.

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

There are 4 cabin classes available to choose from on Seoul to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seoul to Seattle flight prices changed over time?

As of April 2025, prices for Seoul to Seattle flights are approximately 38% cheaper when compared to flights at the same time last year.

When to book flights from Seoul to Seattle

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

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

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

Best Price Found

$334

Fastest flight time

10h 00m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Seoul in the past 72 hours is $334. The best round-trip flight deal from Seoul to Seattle found on momondo in the last 72 hours is $433.
The fastest flight from Seoul to Seattle takes 10h 00m
Direct flights go from Seoul to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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

    A flight from Seoul to Seattle/Tacoma Intl will travel around 5167.4 mi. By plane, this route typically takes 10h 00m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Seattle/Tacoma Intl Airport.

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

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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


Best airlines flying from Seoul to Seattle

Compare and see reviews for airlines that fly from Seoul to Seattle with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $516Free CancellationRating
7.4
8,621 reviews
Search United Airlines flights
American AirlinesPriceFrom $538Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $595Free CancellationRating
7.0
9,034 reviews
Search Air Canada flights
Asiana AirlinesPriceFrom $643Free CancellationRating
8.2
438 reviews
Search Asiana Airlines flights
DeltaPriceFrom $667Free CancellationRating
8.0
7,901 reviews
Search Delta flights
Korean AirPriceFrom $680Free CancellationRating
8.4
1,053 reviews
Search Korean Air flights
  • Korean Air Flights From Seoul to Seattle

    Korean Air operates around 14 flights from Seoul to Seattle every week. The average price of these flights found in the last 72 hours has been $1,171, but momondo users have found Korean Air deals from Seoul to Seattle from as low as $680 round-trip. Korean Air has been scored 8.4/10 in 1,053 reviews.

  • Asiana Airlines Flights From Seoul to Seattle

    Another popular option for Seoul to Seattle flights is Asiana Airlines (8.2/10, 438 ratings). Asiana Airlines flies from Seoul to Seattle around 5 times per week, with deals starting from $643 round-trip and rising to an average price of around $998.


Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Federal Way
Tukwila
Puyallup
Kirkland
Lakewood
Lynnwood
Fife
Shoreline
Marysville
Centralia
Redmond
Cle Elum
Lacey

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seoul to Seattle for you.

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

momondo does allow users to show only those flights to Seattle from Seoul which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Seoul to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Seattle from Seoul are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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1 adult
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Th. 4 4/9
Th. 4 4/16

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