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Cheap flights from Seoul to Seattle from $305

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 2/5. 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 Seoul to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Seoul to Seattle 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 Seoul to Seattle.

Cheap last minute flights

Planning a quick getaway from Seoul to Seattle? 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 Seattle, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seoul to Seattle

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

All round-trip flight deals from Seoul to Seattle

The cheapest plane tickets from Seoul to Seattle found on KAYAK recently.
5:45 pm - 9:18 amICN-SEA
31h 33m1 stop
1:45 pm - 4:05 pmSEA-ICN
34h 20m1 stop
$639Air Canada
Find Deal
Thu, May 1 - Wed, May 7
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$640Asiana Airlines
Find Deal
Tue, Feb 11 - Sat, Mar 1
8:05 pm - 2:40 pmICN-SEA
10h 35mnonstop
1:00 pm - 4:40 pmSEA-ICN
11h 40mnonstop
$653Korean Air
Find Deal
Tue, Mar 25 - Thu, Apr 3
4:10 pm - 10:00 amICN-SEA
9h 50mnonstop
12:00 pm - 3:55 pmSEA-ICN
11h 55mnonstop
$659Korean Air
Find Deal
Thu, Mar 13 - Tue, Mar 18
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
10:44 am - 4:15 pmSEA-ICN
12h 31mnonstop
$678Delta
Find Deal
Mon, Feb 10 - Sun, Feb 23
6:00 pm - 1:55 pmICN-SEA
36h 55m2 stops
3:01 pm - 3:15 pmSEA-ICN
32h 14m2 stops
$680United Airlines
Find Deal
Wed, Mar 5 - Wed, Mar 26
6:00 pm - 11:09 pmICN-SEA
22h 09m2 stops
12:46 pm - 5:40 amSEA-ICN
23h 54m2 stops
$684United Airlines
Find Deal
Mon, Feb 3 - Thu, Feb 20
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
6:15 am - 5:40 pmSEA-ICN
19h 25m1 stop
$688Delta
Find Deal
Tue, Feb 4 - Tue, Mar 18
5:45 pm - 6:28 pmICN-SEA
16h 43m1 stop
10:00 am - 9:40 pmSEA-ICN
19h 40m2 stops
Mon, Apr 28 - Mon, May 12
5:45 pm - 10:13 pmICN-SEA
20h 28m1 stop
10:00 am - 9:40 pmSEA-ICN
19h 40m2 stops
Tue, May 20 - Wed, May 28
7:35 am - 12:37 pmICN-SEA
22h 02m2 stops
Wed, Feb 5
4:20 pm - 12:37 pmICN-SEA
37h 17m2 stops
Tue, Feb 4
8:35 am - 7:59 pmICN-SEA
27h 24m2 stops
Tue, Mar 18
5:45 pm - 2:23 pmICN-SEA
12h 38m1 stop
$474Air Canada
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Wed, Apr 2
4:55 pm - 2:30 pmICN-SEA
14h 35m1 stop
$476Air Canada
Find Deal
Wed, Jan 29
8:45 pm - 2:09 pmICN-SEA
57h 24m2 stops
$530WestJet
Find Deal
Mon, Apr 28
8:15 pm - 7:15 pmICN-SEA
15h 00m1 stop
$554China Airlines
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Sat, Mar 15
8:45 pm - 2:09 pmICN-SEA
33h 24m2 stops
$558WestJet
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Thu, May 22
7:55 am - 4:40 pmGMP-SEA
24h 45m2 stops
$677Japan Airlines
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Mon, May 12
7:50 am - 4:59 pmGMP-SEA
26h 09m2 stops
$680Japan Airlines
Find Deal
Tue, Feb 11
6:00 pm - 11:09 pmICN-SEA
22h 09m2 stops
5:00 am - 5:40 amSEA-ICN
31h 40m2 stops
$787United Airlines
Find Deal
Fri, Jan 17 - Tue, Jan 21
6:00 pm - 9:59 amICN-SEA
32h 59m2 stops
5:15 pm - 4:15 pmSEA-ICN
30h 00m1 stop
$813United Airlines
Find Deal
Tue, Jan 21 - Tue, Feb 4
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
$855Korean Air
Find Deal
Mon, Jan 20 - Mon, Feb 3
8:05 pm - 1:19 pmICN-SEA
10h 14mnonstop
10:41 am - 4:15 pmSEA-ICN
12h 34mnonstop
$906Korean Air
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Sat, Jan 18 - Fri, Jan 24
9:25 pm - 9:20 pmICN-SEA
16h 55m1 stop
7:00 am - 7:25 pmSEA-ICN
19h 25m1 stop
$1,008Hawaiian Airlines
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Fri, Jan 17 - Sun, Jan 19
9:25 pm - 9:20 pmICN-SEA
16h 55m1 stop
7:00 am - 7:25 pmSEA-ICN
19h 25m1 stop
$1,020Hawaiian Airlines
Find Deal
Fri, Jan 17 - Fri, Jan 24
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$1,166Asiana Airlines
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Fri, Jan 17 - Fri, Feb 7
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
1:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$1,171Asiana Airlines
Find Deal
Fri, Jan 17 - Mon, Mar 17
4:55 pm - 9:50 amICN-SEA
33h 55m1 stop
10:35 am - 3:15 pmSEA-ICN
35h 40m1 stop
$1,181Air Canada
Find Deal
Mon, Jan 20 - Tue, Feb 4
4:55 pm - 6:25 pmICN-SEA
18h 30m1 stop
10:35 am - 3:15 pmSEA-ICN
35h 40m1 stop
$1,320Air Canada
Find Deal
Fri, Jan 17 - Wed, Feb 12
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$640Asiana Airlines
Find Deal
Tue, Feb 11 - Sat, Mar 1
6:15 pm - 11:55 amICN-SEA
9h 40mnonstop
1:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$641Asiana Airlines
Find Deal
Mon, Mar 10 - Mon, Mar 24
8:05 pm - 2:40 pmICN-SEA
10h 35mnonstop
1:00 pm - 4:40 pmSEA-ICN
11h 40mnonstop
$653Korean Air
Find Deal
Tue, Mar 25 - Thu, Apr 3
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$656Asiana Airlines
Find Deal
Wed, Feb 5 - Sat, Feb 8
4:10 pm - 10:00 amICN-SEA
9h 50mnonstop
12:00 pm - 3:55 pmSEA-ICN
11h 55mnonstop
$659Korean Air
Find Deal
Thu, Mar 13 - Tue, Mar 18
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$662Asiana Airlines
Find Deal
Mon, Feb 24 - Fri, Feb 28
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
$663Korean Air
Find Deal
Thu, Feb 27 - Tue, Mar 4
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
10:44 am - 4:15 pmSEA-ICN
12h 31mnonstop
$678Delta
Find Deal
Thu, Feb 13 - Wed, Feb 19
8:05 pm - 1:19 pmICN-SEA
10h 14mnonstop
10:44 am - 4:15 pmSEA-ICN
12h 31mnonstop
$679Delta
Find Deal
Thu, Jan 30 - Sun, Feb 2
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
10:44 am - 4:15 pmSEA-ICN
12h 31mnonstop
$729Delta
Find Deal
Sun, Feb 9 - Wed, Feb 19

Asiana Airlines flights from Seoul to Seattle

Our best Asiana Airlines deals on Seoul to Seattle flight tickets
Asiana Airlines
Feb 11
ICN6:15 pmIncheon Intl
9h 40m
SEA10:55 amSeattle/Tacoma Intl
Mar 1
SEA12:45 pmSeattle/Tacoma Intl
12h 05m
ICN5:50 pmIncheon Intl
Asiana Airlines
Mar 10
ICN6:15 pmIncheon Intl
9h 40m
SEA11:55 amSeattle/Tacoma Intl
Mar 24
SEA1:45 pmSeattle/Tacoma Intl
12h 05m
ICN5:50 pmIncheon Intl
Asiana Airlines
Feb 5
ICN6:15 pmIncheon Intl
9h 40m
SEA10:55 amSeattle/Tacoma Intl
Feb 8
SEA12:45 pmSeattle/Tacoma Intl
12h 05m
ICN5:50 pmIncheon Intl

United Airlines flights from Seoul to Seattle

Our best United Airlines deals on Seoul to Seattle flight tickets
United Airlines
Mar 5
ICN6:00 pmIncheon Intl
36h 55m
2 stops
SEA1:55 pmSeattle/Tacoma Intl
Mar 26
SEA3:01 pmSeattle/Tacoma Intl
32h 14m
2 stops
ICN3:15 pmIncheon Intl
United Airlines
Feb 3
ICN6:00 pmIncheon Intl
22h 09m
2 stops
SEA11:09 pmSeattle/Tacoma Intl
Feb 20
SEA12:46 pmSeattle/Tacoma Intl
23h 54m
2 stops
ICN5:40 amIncheon Intl
United Airlines
Feb 10
ICN6:00 pmIncheon Intl
18h 08m
1 stop
SEA7:08 pmSeattle/Tacoma Intl
Feb 19
SEA4:58 pmSeattle/Tacoma Intl
19h 42m
1 stop
ICN5:40 amIncheon 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 cheapest month to fly to Seattle?

In general, November 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 $768. If you don’t want to visit Seattle in November, then you should wait until October to fly from Seoul, when ticket prices are also cheap, with an average price of $769.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $867. 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 $1,135.

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 $1,077. 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 12 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,006 when searching 12 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 $889 on momondo.

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

There are 3 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 January 2025, prices for Seoul to Seattle flights are approximately 9% 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

$305

Fastest flight time

9h 40m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Seoul in the past 72 hours is $305. The best round-trip flight deal from Seoul to Seattle found on momondo in the last 72 hours is $639.
The fastest flight from Seoul to Seattle takes 9h 40m
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 9h 40m.

  • 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
American AirlinesPriceFrom $538Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $615Free CancellationRating
7.4
8,964 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $665Free CancellationRating
8.2
465 reviews
Search Asiana Airlines flights
DeltaPriceFrom $687Free CancellationRating
8.0
8,511 reviews
Search Delta flights
Korean AirPriceFrom $695Free CancellationRating
8.4
1,034 reviews
Search Korean Air flights
Air CanadaPriceFrom $748Free CancellationRating
7.0
8,587 reviews
Search Air Canada 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 $1,213, but momondo users have found Korean Air deals from Seoul to Seattle from as low as $695 round-trip. Korean Air has been scored 8.4/10 in 1,034 reviews.

  • Asiana Airlines Flights From Seoul to Seattle

    Another popular option for Seoul to Seattle flights is Asiana Airlines (8.2/10, 465 ratings). Asiana Airlines flies from Seoul to Seattle around 5 times per week, with deals starting from $665 round-trip and rising to an average price of around $1,066.


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
Tukwila
Federal Way
Lynnwood
Kirkland
Lakewood
Redmond
Puyallup
Fife
Shoreline
Centralia
Bothell
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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