How many flights depart from State of Washington to Seoul on average per week?

The number of flights available between State of Washington and Seoul is 42 per week as of November 2026. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.

What airlines fly to Seoul?

Alaska Airlines, Korean Air and Asiana Airlines are the top three most popular airlines that fly to Seoul from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 7 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

How many flights depart from State of Washington to Seoul on average per day?

The number of flights available between State of Washington and Seoul is 6 per day as of November 2026. The most frequent departure time is 12:00PM, with 44% of daily flights leaving in the afternoon.

What is the cheapest airline that flies from Washington to Seoul?

Cathay Pacific and Philippine Airlines are the most popular carriers operating from Washington to Seoul

How long does it take to fly to Seoul?

If you’re flying from a popular airport in State of Washington, such as Seattle or Wenatchee, and flying into Seoul, then you can expect flight times to average 11h 45m and 19h 21m, respectively.

When did momondo last update prices for flights from Washington to Seoul?

Prices for flights from Washington to Seoul are updated daily.

How many operators does momondo search for flights from Washington to Seoul?

As of November 2026, there are 7 operators available to choose from for flights from Washington to Seoul.

How old do you have to be to fly from Washington 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 Washington to Seoul.

What documentation or ID do you need to fly to Seoul?

The required travel and health documents for your Seoul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$176 Cheap Flights from Washington to Seoul in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Seoul

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:45 am - 12:40 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

32h 55m1 stop Hong Kong Intl

8:00 am - 10:05 amICN Incheon Intl-SEA Seattle/Tacoma Intl

18h 05m1 stop Hong Kong Intl

$827Cathay Pacific

Mon, Apr 12 - Wed, Apr 21

11:45 am - 10:25 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

18h 40m1 stop Hong Kong Intl

8:05 pm - 10:05 amICN Incheon Intl-SEA Seattle/Tacoma Intl

30h 00m1 stop Hong Kong Intl

$827Cathay Pacific

Mon, Apr 12 - Mon, Apr 19

10:04 am - 12:40 amSEA Seattle/Tacoma Intl-ICN Incheon Intl

21h 36m2 stops Vancouver Intl Hong Kong Intl

6:45 am - 8:45 amICN Incheon Intl-SEA Seattle/Tacoma Intl

19h 00m1 stop Hong Kong Intl

$864Multiple Airlines

Mon, Feb 15 - Wed, Mar 3

9:59 am - 12:40 amSEA Seattle/Tacoma Intl-ICN Incheon Intl

21h 41m2 stops Vancouver Intl Hong Kong Intl

6:45 am - 9:45 amICN Incheon Intl-SEA Seattle/Tacoma Intl

19h 00m1 stop Hong Kong Intl

$873Multiple Airlines

Wed, Jan 20 - Wed, Mar 24

12:10 am - 5:20 amSEA Seattle/Tacoma Intl-ICN Incheon Intl

12h 10mnonstop

9:20 pm - 2:10 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

9h 50mnonstop

$1,052Korean Air

Sat, Feb 20 - Sun, Feb 28

5:59 pm - 4:00 amSEA Seattle/Tacoma Intl-ICN Incheon Intl

17h 01m1 stop Los Angeles

9:20 pm - 2:10 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

9h 50mnonstop

$1,053Korean Air

Sun, Feb 21 - Sun, Feb 28

12:40 pm - 5:45 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

12h 05mnonstop

6:45 pm - 11:50 amICN Incheon Intl-SEA Seattle/Tacoma Intl

10h 05mnonstop

$1,084Delta

Tue, Jan 26 - Tue, Feb 9

12:40 pm - 5:45 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

12h 05mnonstop

6:45 pm - 11:50 amICN Incheon Intl-SEA Seattle/Tacoma Intl

10h 05mnonstop

$1,084Delta

Tue, Jan 26 - Mon, Feb 8

12:40 pm - 5:35 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

11h 55mnonstop

8:00 pm - 1:10 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

10h 10mnonstop

$1,094Alaska Airlines

Thu, Feb 18 - Thu, Feb 25

1:48 pm - 5:35 pmGEG Spokane-ICN Incheon Intl

34h 47m2 stops San Francisco Seattle/Tacoma Intl

8:00 pm - 6:29 pmICN Incheon Intl-GEG Spokane

39h 29m2 stops Seattle/Tacoma Intl San Francisco

$1,096Alaska Airlines

Tue, Mar 2 - Thu, Mar 4

Cheap last minute flights

Enter your travel dates to find the best prices.

10:03 am - 12:40 amSEA Seattle/Tacoma Intl-ICN Incheon Intl

21h 37m2 stops Vancouver Intl Hong Kong Intl

7:35 pm - 8:45 amICN Incheon Intl-SEA Seattle/Tacoma Intl

30h 10m1 stop Hong Kong Intl

$881Multiple Airlines

Mon, Nov 16 - Mon, Nov 23

10:03 am - 12:40 amSEA Seattle/Tacoma Intl-ICN Incheon Intl

21h 37m2 stops Vancouver Intl Hong Kong Intl

10:00 am - 8:45 amICN Incheon Intl-SEA Seattle/Tacoma Intl

39h 45m1 stop Hong Kong Intl

$881Multiple Airlines

Mon, Nov 16 - Mon, Nov 23

10:25 am - 12:40 amSEA Seattle/Tacoma Intl-ICN Incheon Intl

21h 15m1 stop Hong Kong Intl

7:35 pm - 8:45 amICN Incheon Intl-SEA Seattle/Tacoma Intl

30h 10m1 stop Hong Kong Intl

$906Cathay Pacific

Mon, Nov 16 - Fri, Nov 20

10:25 am - 12:40 amSEA Seattle/Tacoma Intl-ICN Incheon Intl

21h 15m1 stop Hong Kong Intl

3:00 pm - 8:45 amICN Incheon Intl-SEA Seattle/Tacoma Intl

34h 45m1 stop Hong Kong Intl

$906Cathay Pacific

Mon, Nov 16 - Wed, Nov 25

11:30 pm - 6:45 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

26h 15m1 stop Taipei City Taiwan Taoyuan Intl

11:40 am - 5:30 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

22h 50m1 stop Taipei City Taiwan Taoyuan Intl

$1,145EVA Air

Tue, Nov 17 - Tue, Nov 24

12:10 am - 6:45 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

25h 35m1 stop Taipei City Taiwan Taoyuan Intl

11:40 am - 6:10 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

23h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,145EVA Air

Mon, Nov 16 - Mon, Nov 23

10:10 am - 5:10 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

14h 00m1 stop Vancouver Intl

6:55 pm - 2:37 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

36h 42m1 stop Vancouver Intl

$1,156Air Canada

Wed, Nov 18 - Sun, Nov 22

7:05 pm - 5:10 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

29h 05m1 stop Vancouver Intl

6:55 pm - 2:37 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

12h 42m1 stop Vancouver Intl

$1,606Air Canada

Fri, Nov 13 - Mon, Nov 16

11:00 am - 3:55 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

11h 55mnonstop

4:10 pm - 9:05 amICN Incheon Intl-SEA Seattle/Tacoma Intl

9h 55mnonstop

$1,628Korean Air

Wed, Nov 18 - Sun, Nov 22

11:00 am - 3:55 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

11h 55mnonstop

9:20 pm - 2:10 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

9h 50mnonstop

$1,635Korean Air

Tue, Nov 17 - Sun, Nov 22

Cheap direct flights

Enter your travel dates to find the best prices.

12:10 am - 5:20 amSEA Seattle/Tacoma Intl-ICN Incheon Intl

12h 10mnonstop

9:20 pm - 2:10 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

9h 50mnonstop

$1,052Korean Air

Sat, Feb 20 - Sun, Feb 28

11:00 am - 3:55 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

11h 55mnonstop

4:10 pm - 9:05 amICN Incheon Intl-SEA Seattle/Tacoma Intl

9h 55mnonstop

$1,065Korean Air

Mon, Jan 25 - Mon, Feb 8

12:40 pm - 5:45 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

12h 05mnonstop

6:45 pm - 11:50 amICN Incheon Intl-SEA Seattle/Tacoma Intl

10h 05mnonstop

$1,084Delta

Tue, Jan 26 - Tue, Feb 9

12:40 pm - 5:45 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

12h 05mnonstop

6:45 pm - 11:50 amICN Incheon Intl-SEA Seattle/Tacoma Intl

10h 05mnonstop

$1,084Delta

Tue, Jan 26 - Mon, Feb 8

12:40 pm - 5:45 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

12h 05mnonstop

6:45 pm - 11:50 amICN Incheon Intl-SEA Seattle/Tacoma Intl

10h 05mnonstop

$1,084Delta

Mon, Jan 25 - Tue, Feb 9

11:00 am - 3:55 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

11h 55mnonstop

4:10 pm - 9:05 amICN Incheon Intl-SEA Seattle/Tacoma Intl

9h 55mnonstop

$1,089Korean Air

Mon, Feb 22 - Tue, Mar 2

12:40 pm - 5:35 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

11h 55mnonstop

8:00 pm - 1:10 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

10h 10mnonstop

$1,094Alaska Airlines

Thu, Feb 18 - Thu, Feb 25

12:40 pm - 5:35 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

11h 55mnonstop

8:00 pm - 1:10 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

10h 10mnonstop

$1,182Alaska Airlines

Thu, Feb 18 - Mon, Feb 22

12:41 pm - 5:51 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

12h 10mnonstop

6:51 pm - 11:57 amICN Incheon Intl-SEA Seattle/Tacoma Intl

10h 06mnonstop

$2,373JetBlue

Sat, Dec 26 - Mon, Jan 4

12:35 pm - 5:45 pmSEA Seattle/Tacoma Intl-ICN Incheon Intl

12h 10mnonstop

9:20 pm - 2:10 pmICN Incheon Intl-SEA Seattle/Tacoma Intl

9h 50mnonstop

$2,562Multiple Airlines

Fri, Dec 11 - Mon, Jan 4

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Delta flights from State of Washington to Seoul

Our best Delta deals on State of Washington to Seoul flight tickets

Delta

Feb 10

PSC5:10 amPasco Tri Cities

19h 35m

1 stop

ICN5:45 pmIncheon Intl

Feb 18

ICN6:45 pmIncheon Intl

15h 24m

1 stop

PSC5:09 pmPasco Tri Cities

$1,280

Delta

Mar 12

GEG9:10 amSpokane

15h 35m

1 stop

ICN5:45 pmIncheon Intl

Mar 21

ICN6:45 pmIncheon Intl

20h 57m

1 stop

GEG11:42 pmSpokane

$1,330

Delta

Dec 2

PSC5:10 amPasco Tri Cities

19h 35m

1 stop

ICN5:45 pmIncheon Intl

Dec 18

ICN6:45 pmIncheon Intl

13h 26m

1 stop

PSC3:11 pmPasco Tri Cities

$1,414

Cathay Pacific flights from State of Washington to Seoul

Our best Cathay Pacific deals on State of Washington to Seoul flight tickets

Cathay Pacific

Apr 12

SEA11:45 amSeattle/Tacoma Intl

18h 40m

1 stop

ICN10:25 pmIncheon Intl

Apr 19

ICN8:05 pmIncheon Intl

30h 00m

1 stop

SEA10:05 amSeattle/Tacoma Intl

$827

Cathay Pacific

Feb 17

SEA10:25 amSeattle/Tacoma Intl

21h 15m

1 stop

ICN12:40 amIncheon Intl

Mar 17

ICN6:45 amIncheon Intl

19h 00m

1 stop

SEA9:45 amSeattle/Tacoma Intl

$828

Cathay Pacific

Mar 8

SEA10:25 amSeattle/Tacoma Intl

34h 25m

1 stop

ICN1:50 pmIncheon Intl

Mar 15

ICN3:00 pmIncheon Intl

34h 45m

1 stop

SEA9:45 amSeattle/Tacoma Intl

$839

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleIncheon

SEA Seattle/Tacoma Intl - ICN Incheon Intl

SEAICN

Seattle/Tacoma Intl

Mon 4/12

11:45 am-12:40 pm

1 stop32h 55m

Incheon Intl

Wed 4/21

8:00 am-10:05 am

1 stop18h 05m

$827

SeattleIncheon

SEA Seattle/Tacoma Intl - ICN Incheon Intl

SEAICN

Seattle/Tacoma Intl

Mon 4/12

11:45 am-10:25 pm

1 stop18h 40m

Incheon Intl

Mon 4/19

8:05 pm-10:05 am

1 stop30h 00m

$827

SeattleIncheon

SEA Seattle/Tacoma Intl - ICN Incheon Intl

SEAICN

Seattle/Tacoma Intl

Mon 2/15

10:04 am-12:40 am

2 stops21h 36m

Incheon Intl

Wed 3/3

6:45 am-8:45 am

1 stop19h 00m

$864

SeattleIncheon

SEA Seattle/Tacoma Intl - ICN Incheon Intl

SEAICN

Seattle/Tacoma Intl

Wed 1/20

9:59 am-12:40 am

2 stops21h 41m

Incheon Intl

Wed 3/24

6:45 am-9:45 am

1 stop19h 00m

$873

Quickest round-trip

SeattleIncheon

SEA Seattle/Tacoma Intl - ICN Incheon Intl

SEAICN

Seattle/Tacoma Intl

Sat 2/20

12:10 am-5:20 am

Nonstop12h 10m

Incheon Intl

Sun 2/28

9:20 pm-2:10 pm

Nonstop9h 50m

$1,052

SeattleIncheon

SEA Seattle/Tacoma Intl - ICN Incheon Intl

SEAICN

Seattle/Tacoma Intl

Sun 2/21

5:59 pm-4:00 am

1 stop17h 01m

Incheon Intl

Sun 2/28

9:20 pm-2:10 pm

Nonstop9h 50m

$1,053

SeattleIncheon

SEA Seattle/Tacoma Intl - ICN Incheon Intl

SEAICN

Seattle/Tacoma Intl

Tue 1/26

12:40 pm-5:45 pm

Nonstop12h 05m

Incheon Intl

Tue 2/9

6:45 pm-11:50 am

Nonstop10h 05m

$1,084

SeattleIncheon

SEA Seattle/Tacoma Intl - ICN Incheon Intl

SEAICN

Seattle/Tacoma Intl

Tue 1/26

12:40 pm-5:45 pm

Nonstop12h 05m

Incheon Intl

Mon 2/8

6:45 pm-11:50 am

Nonstop10h 05m

$1,084

SeattleIncheon

SEA Seattle/Tacoma Intl - ICN Incheon Intl

SEAICN

Seattle/Tacoma Intl

Thu 2/18

12:40 pm-5:35 pm

Nonstop11h 55m

Incheon Intl

Thu 2/25

8:00 pm-1:10 pm

Nonstop10h 10m

$1,094

SpokaneIncheon

GEG Spokane - ICN Incheon Intl

GEGICN

Spokane

Tue 3/2

1:48 pm-5:35 pm

2 stops34h 47m

Incheon Intl

Thu 3/4

8:00 pm-6:29 pm

2 stops39h 29m

$1,096

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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

Prices

Airlines

Other information

What is the cheapest month to fly to Seoul?

The month of August is another great option to travel to Seoul, with average flight prices from State of Washington averaging around $385.

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

According to our data, Wednesday is the cheapest day to fly to Seoul from State of Washington. The lowest ticket price found for a Wednesday departure recently was $662. 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 $862.

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

Flying to Seoul from State of Washington at noon is the least expensive time of day to depart. momondo users have found prices as low as $363 when looking at flights departing at noon. In the morning is when there is more demand to fly to Seoul, so prices are often more expensive at around $890 per ticket.

What is the cheapest Washington to Seoul flight route?

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

How far in advance should I book a flight from Washington to Seoul?

You are more likely to see cheaper flights to Seoul from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $890 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from State of Washington for as low as $544 on momondo.

What cabin class options are available on State of Washington to Seoul flights?

There are 3 cabin classes available to choose from on State of Washington 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 State of Washington to Seoul flights?

No. A direct flight is the cheapest option for a flight between State of Washington to Seoul.

Cheap State of Washington to Seoul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Seoul

Best Price Found	$176
Fastest flight time	11h 45m
Direct flights	Every day
Airports in Seoul	2 airports

The best one-way flight to Seoul from State of Washington in the past 72 hours is $176. The best round-trip flight deal from State of Washington to Seoul found on momondo in the last 72 hours is $827.

The fastest flight from State of Washington to Seoul takes 11h 45m

Direct flights go from State of Washington to Seoul every day.

There are 2 airports in Seoul. From State of Washington there are direct flights to Incheon Intl (ICN).

Search flight deals

Frequently asked questions about flying from Washington to Seoul

When did momondo last update prices for flights from Washington to Seoul?
Prices for flights from Washington to Seoul are updated daily.
How many operators does momondo search for flights from Washington to Seoul?
As of November 2026, there are 7 operators available to choose from for flights from Washington to Seoul.
How old do you have to be to fly from Washington 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 Washington to Seoul.
What documentation or ID do you need to fly to Seoul?
The required travel and health documents for your Seoul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from State of Washington to Seoul?
Based on momondo bookings for flights between State of Washington and Seoul, the leading plane model is Boeing 787-10 Dreamliner, making up 39.91% of the total bookings. Other popular models include Airbus A350-900 with 26.88%, Boeing 787-9 Dreamliner with 14.72%, and Boeing 777-200/200ER with 7.48%.

Best airlines flying from State of Washington to Seoul

Compare and see reviews for airlines that fly from State of Washington to Seoul with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $335	Free Cancellation	Rating 7.9 13,158 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $523	Free Cancellation	Rating 7.1 11,891 reviews	Search Air Canada flights
Cathay Pacific	PriceFrom $749	Free Cancellation	Rating 7.6 1,543 reviews	Search Cathay Pacific flights
Asiana Airlines	PriceFrom $796	Free Cancellation	Rating 8.1 572 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $853	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
Delta	PriceFrom $868	Free Cancellation	Rating 7.8 8,714 reviews	Search Delta flights
EVA Air	PriceFrom $950	Free Cancellation	Rating 8.5 1,554 reviews	Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington 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 Washington to Seoul for you.

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

Yes. All flights to Seoul from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Seoul from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Washington to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Washington to Seoul from $176

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Seoul departing on 12/28. 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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Delta flights from State of Washington to Seoul

Our best Delta deals on State of Washington to Seoul flight tickets

Cathay Pacific flights from State of Washington to Seoul

Our best Cathay Pacific deals on State of Washington to Seoul flight tickets

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How to get the cheapest flight ticket from State of Washington to Seoul

What is the cheapest month to fly to Seoul?

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

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

What is the cheapest Washington to Seoul flight route?

How far in advance should I book a flight from Washington to Seoul?

What cabin class options are available on State of Washington to Seoul flights?

Can stopping save me money on State of Washington to Seoul flights?

What is the cheapest airline that flies from Washington to Seoul?

What airlines fly to Seoul?

How many flights depart from State of Washington to Seoul on average per day?

How many flights depart from State of Washington to Seoul on average per week?

How long does it take to fly to Seoul?

Cheap State of Washington to Seoul flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Seoul

Frequently asked questions about flying from Washington to Seoul

Best airlines flying from State of Washington to Seoul

Compare and see reviews for airlines that fly from State of Washington to Seoul with momondo

Why use momondo?

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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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

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seoul

List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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