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Cheap flights from Seattle to Incheon Intl Airport from $404

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 Incheon Intl Airport departing on 1/11. 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 - 3:15 pmSEA-ICN
16h 30m1 stop
4:55 pm - 10:00 pmICN-SEA
22h 05m1 stop
$821Air Canada
Find Deal
Tue, Feb 4 - Tue, Feb 18
5:45 am - 3:15 pmSEA-ICN
16h 30m1 stop
4:55 pm - 2:30 pmICN-SEA
14h 35m1 stop
$853Air Canada
Find Deal
Thu, Feb 13 - Tue, Feb 25
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$926Asiana Airlines
Find Deal
Wed, Feb 12 - Sat, Mar 1
1:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 11:55 amICN-SEA
9h 40mnonstop
$938Asiana Airlines
Find Deal
Mon, Mar 10 - Mon, Mar 17
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$942Korean Air
Find Deal
Wed, Feb 5 - Wed, Feb 12
7:00 pm - 9:05 amSEA-ICN
45h 05m1 stop
12:10 am - 6:05 pmICN-SEA
33h 55m1 stop
$968Turkish Airlines
Find Deal
Sun, Mar 2 - Tue, Mar 11
12:00 pm - 5:20 amSEA-ICN
24h 20m1 stop
4:40 pm - 10:50 amICN-SEA
10h 10mnonstop
$975Korean Air
Find Deal
Tue, Feb 4 - Wed, Jun 4
7:00 pm - 6:20 pmSEA-ICN
30h 20m1 stop
12:10 am - 5:05 pmICN-SEA
33h 55m1 stop
$985Turkish Airlines
Find Deal
Sun, Jan 19 - Thu, Jan 30
10:45 am - 4:15 pmSEA-ICN
12h 30mnonstop
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
$989Delta
Find Deal
Mon, Jan 6 - Mon, Jan 27
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 - Wed, Dec 18
1:55 pm - 11:35 amSEA-ICN
52h 40m2 stops
Sat, Jan 11
3:02 pm - 11:35 amSEA-ICN
51h 33m2 stops
Sun, Feb 23
3:05 pm - 3:15 pmSEA-ICN
31h 10m1 stop
$461Air Canada
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Tue, Jan 21
5:45 am - 4:45 pmSEA-ICN
18h 00m1 stop
$462Air Canada
Find Deal
Tue, Nov 26
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$500Asiana Airlines
Find Deal
Mon, Dec 30
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
$511Asiana Airlines
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Tue, Dec 31
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
$543Korean Air
Find Deal
Wed, Nov 27
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
$544Korean Air
Find Deal
Mon, Nov 25
10:50 am - 4:15 pmSEA-ICN
12h 25mnonstop
$570Delta
Find Deal
Mon, Feb 17
10:40 am - 4:15 pmSEA-ICN
12h 35mnonstop
$707Delta
Find Deal
Mon, Dec 9
7:15 pm - 4:45 pmSEA-ICN
28h 30m1 stop
4:55 pm - 10:00 pmICN-SEA
22h 05m1 stop
$856Air Canada
Find Deal
Sat, Nov 23 - Mon, Feb 17
3:20 pm - 5:40 amSEA-ICN
21h 20m2 stops
12:45 pm - 1:43 pmICN-SEA
17h 58m2 stops
$907United Airlines
Find Deal
Mon, Nov 25 - Thu, Nov 28
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 - Thu, Dec 12
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$942Korean Air
Find Deal
Mon, Nov 25 - Thu, Nov 28
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$957Asiana Airlines
Find Deal
Mon, Nov 25 - Sun, Dec 8
7:05 am - 5:40 pmSEA-ICN
17h 35m1 stop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$977Korean Air
Find Deal
Mon, Nov 25 - Mon, Dec 9
10:35 am - 4:15 pmSEA-ICN
12h 40mnonstop
8:05 pm - 1:13 pmICN-SEA
10h 08mnonstop
$1,062Delta
Find Deal
Sun, Nov 24 - Sun, Dec 1
10:35 am - 4:15 pmSEA-ICN
12h 40mnonstop
8:05 pm - 1:35 pmICN-SEA
10h 30mnonstop
$1,073Delta
Find Deal
Thu, Nov 21 - Thu, Feb 20
10:55 am - 6:20 pmSEA-ICN
62h 25m2 stops
12:10 am - 5:05 pmICN-SEA
33h 55m1 stop
$1,170Turkish Airlines
Find Deal
Mon, Nov 25 - Sat, Dec 7
10:55 am - 6:20 pmSEA-ICN
62h 25m2 stops
12:10 am - 5:05 pmICN-SEA
33h 55m1 stop
$1,337Turkish Airlines
Find Deal
Mon, Nov 25 - Sun, Dec 29
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$907Asiana Airlines
Find Deal
Mon, Dec 2 - Fri, Dec 6
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$926Asiana Airlines
Find Deal
Wed, Feb 12 - Sat, Mar 1
1:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 11:55 amICN-SEA
9h 40mnonstop
$938Asiana Airlines
Find Deal
Mon, Mar 10 - Mon, Mar 17
12:45 pm - 5:50 pmSEA-ICN
12h 05mnonstop
6:15 pm - 10:55 amICN-SEA
9h 40mnonstop
$939Asiana Airlines
Find Deal
Tue, Dec 3 - Tue, Dec 17
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
$942Korean Air
Find Deal
Wed, Feb 5 - Wed, Feb 12
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
10:45 am - 4:15 pmSEA-ICN
12h 30mnonstop
8:05 pm - 1:30 pmICN-SEA
10h 25mnonstop
$989Delta
Find Deal
Mon, Jan 6 - Tue, Jan 28
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 17
12:00 pm - 3:55 pmSEA-ICN
11h 55mnonstop
6:15 pm - 12:35 pmICN-SEA
10h 20mnonstop
$1,280
Find Deal
Mon, Mar 24 - Sat, Apr 12
12:00 pm - 3:55 pmSEA-ICN
11h 55mnonstop
6:15 pm - 12:35 pmICN-SEA
10h 20mnonstop
$1,283
Find Deal
Wed, Mar 26 - Fri, Apr 11

Air Canada flights from Seattle to Incheon Intl Airport

Our best Air Canada deals on Seattle to Incheon Intl Airport flight tickets
Air Canada
Feb 4
SEA5:45 amSeattle/Tacoma Intl
16h 30m
1 stop
ICN3:15 pmIncheon Intl
Feb 18
ICN4:55 pmIncheon Intl
22h 05m
1 stop
SEA10:00 pmSeattle/Tacoma Intl
Air Canada
Feb 13
SEA5:45 amSeattle/Tacoma Intl
16h 30m
1 stop
ICN3:15 pmIncheon Intl
Feb 25
ICN4:55 pmIncheon Intl
14h 35m
1 stop
SEA2:30 pmSeattle/Tacoma Intl
Air Canada
Feb 15
SEA3:05 pmSeattle/Tacoma Intl
31h 10m
1 stop
ICN3:15 pmIncheon Intl
Feb 21
ICN4:55 pmIncheon Intl
14h 35m
1 stop
SEA2:30 pmSeattle/Tacoma Intl

United Airlines flights from Seattle to Incheon Intl Airport

Our best United Airlines deals on Seattle to Incheon Intl Airport flight tickets
United Airlines
Jan 8
SEA3:25 pmSeattle/Tacoma Intl
21h 15m
1 stop
ICN5:40 amIncheon Intl
Jan 31
ICN6:00 pmIncheon Intl
18h 08m
1 stop
SEA7:08 pmSeattle/Tacoma Intl
United Airlines
Feb 9
SEA7:00 amSeattle/Tacoma Intl
16h 15m
1 stop
ICN4:15 pmIncheon Intl
Feb 26
ICN12:45 pmIncheon Intl
15h 27m
1 stop
SEA11:12 amSeattle/Tacoma Intl
United Airlines
Mar 2
SEA3:04 pmSeattle/Tacoma Intl
21h 36m
2 stops
ICN5:40 amIncheon Intl
Mar 11
ICN5:00 pmIncheon Intl
24h 06m
1 stop
SEA1:06 amSeattle/Tacoma Intl

See travel insights to Seoul from

How to get the cheapest flight ticket from Seattle to Incheon Intl Airport

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 from Seattle to Incheon Intl Airport?

February. The cheapest time of year to fly to Incheon Intl Airport from Seattle is February. Most expensive is June

What is the cheapest day to depart Seattle for Incheon Intl Airport?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday

When is the cheapest time to fly from Seattle to Incheon Intl Airport?

In the evening. Seattle to Incheon Intl Airport flights are approximately 22% more expensive at noon than in the evening

How far in advance should you book Seattle to Incheon Intl Airport flights?

28 days before. The cheapest time to buy a flight from Seattle to Incheon Intl Airport is approximately 28 days to departure

What cabin class options are available on Seattle to Incheon Intl Airport flights?

There are 3 cabin classes available to choose from on Seattle to Incheon Intl Airport 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 Incheon Intl Airport flights?

You could potentially save up to 19% on your flight if you consider stops on a Seattle to Incheon Intl Airport flight.

How have Seattle to Incheon Intl Airport flight prices changed over time?

As of November 2024, prices for Seattle to Incheon Intl Airport flights are approximately 1% cheaper when compared to flights at the same time last year.

What is the typical price of a round-trip flight between Seattle and Incheon Intl Airport?


When to book flights from Seattle to Incheon Intl Airport

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

Cheap Seattle to Incheon Intl Airport (SEA to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Incheon Intl Airport

Best Price Found

$404

Fastest flight time

11h 45m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from Seattle in the past 72 hours is $404. The best round-trip flight deal from Seattle to Incheon Intl Airport found on momondo in the last 72 hours is $821.
The fastest flight from Seattle to Incheon Intl Airport takes 11h 45m
Direct flights go from Seattle to Incheon Intl Airport every day.

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

    Seattle/Tacoma Intl and Incheon Intl are 5192.0 mi apart from one another. By plane, this route typically takes 11h 45m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Incheon Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The travel and health documents you'll need for your trip to Incheon Intl Airport 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 Incheon Intl Airport. 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 Incheon Intl Airport?

  • What is the most popular airline from Seattle to Incheon Intl Airport?


Best airlines flying from Seattle to Incheon Intl Airport

Compare and see reviews for airlines that fly from Seattle to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $600Free CancellationRating
7.9
2,287 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $769Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
Air CanadaPriceFrom $852Free CancellationRating
7.0
8,237 reviews
Search Air Canada flights
China AirlinesPriceFrom $856Free CancellationRating
8.2
778 reviews
Search China Airlines flights
DeltaPriceFrom $959Free CancellationRating
8.0
8,756 reviews
Search Delta flights
Turkish AirlinesPriceFrom $970Free CancellationRating
7.4
3,915 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 Incheon Intl Airport

    Korean Air flight deals from Seattle to Incheon Intl Airport start from $1,056 round-trip. Over the 14 Korean Air flights for this route in a normal week, average airfare is usually $1,370 round-trip - but some users have found much cheaper deals with momondo.

  • Asiana Airlines Flights From Seattle to Incheon Intl Airport

    Another popular option for Seattle to Incheon Intl Airport flights is Asiana Airlines (8.3/10, 476 ratings). Asiana Airlines flies from Seattle to Incheon Intl Airport around 7 times per week, with deals starting from $1,027 round-trip and rising to an average price of around $1,298.


Why use momondo?

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

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 Seattle to Seoul for you.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from Seattle.

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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