How popular is this State of Washington to Seoul flight route?

Flights from Washington to Seoul have been viewed 200 times in the past calendar month.

How long is the flight from State of Washington to Seoul?

There are many flights that can get you from State of Washington to Seoul in 12h 10m. Fly via Delta, Asiana Airlines, or American Airlines to get the fastest option. There are 5200 mi between State of Washington and Seoul. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines to fly from State of Washington to Seoul one-way?

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $424. However, be on the lookout for offers from Japan Airlines and Alaska Airlines, as they are both options that can get you from State of Washington to Seoul for a low price.

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from State of Washington to Seoul?

When deciding which route to take from State of Washington to Seoul consider Seattle/Tacoma Intl - Incheon Intl, Seattle/Tacoma Intl - Seoul Gimpo Intl or Portland - Incheon Intl as they are the most popular.

What are the cheapest flights from State of Washington to Seoul?

While on average a flight from State of Washington to Seoul is generally $1,278, our data shows the cheapest flight currently is $336. When looking at the most popular route, (Seattle/Tacoma Intl - Incheon Intl), you can expect to pay $606 for that flight.

What are the most reliable airlines from State of Washington to Seoul?

Consider Alaska Airlines (67%), Hawaiian Airlines (67%) or Delta (63%) when booking your flight. These represent the most reliable airlines when flying from State of Washington to Seoul.

What are the most popular airlines that fly from State of Washington to Seoul?

Consider Air Canada, Alaska Airlines or EVA Air when booking your flight. These represent the most popular airlines when flying from State of Washington to Seoul.

Can I find deals for flights from Washington to Seoul that include hotel bookings?

Yes. In addition to deals on Washington to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington to Seoul?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Seoul.

Can I find deals for business class flights from Washington to Seoul?

Yes. Cheapflights offers flight deals from Washington to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$348+ Cheap Flights from Washington to Seoul

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Cheap flight deals from Washington to Seoul

Round-trip from	$751 (Kiwi.com)
One-way from	$348 (Mytrip)
Popular in	June
Cheapest in	August
Average price	$929
Good round-trip deal	$678 or less
Good one-way deal	$370 or less

From Washington to Seoul (SEL)

Search Deals

One-way flight from Washington to Seoul (SEL)

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($236 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Washington to Seoul (SEL).

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Price to beat on a one-way flight from Washington to Seoul (SEL).

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Find flight deals from Washington to Seoul

Cheapest flights from Washington to Seoul
Explore the most affordable flight options available from Washington to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Fri 10/248:40 amSEA - ICN

1 stop18h 05mWestJet

Sun 10/269:15 pmICN - SEA

1 stop33h 05mWestJet

Deal found 9/17

$752

Fri 9/264:40 pmSEA - ICN

2 stops55h 05mMultiple Airlines

Tue 10/289:15 pmICN - SEA

1 stop33h 05mMultiple Airlines

Deal found 9/16

$754

Thu 11/203:22 pmSEA - ICN

1 stop31h 58mMultiple Airlines

Thu 11/278:35 pmICN - SEA

Nonstop10h 10mMultiple Airlines

Deal found 9/16

$756

Tue 9/232:15 pmSEA - ICN

Nonstop11h 40mMultiple Airlines

Tue 10/289:15 pmICN - SEA

1 stop33h 05mMultiple Airlines

Deal found 9/16

$757

Wed 10/110:00 amSEA - ICN

1 stop14h 05mMultiple Airlines

Thu 10/910:40 amICN - SEA

2 stops19h 36mMultiple Airlines

Deal found 9/17

$758

Sun 11/212:10 amSEA - ICN

Nonstop12h 10mAsiana Airlines

Mon 11/109:00 pmICN - SEA

Nonstop9h 55mAsiana Airlines

Deal found 9/16

$761

Fri 10/171:02 pmSEA - ICN

1 stop23h 48mMultiple Airlines

Sun 11/29:20 pmICN - SEA

2 stops30h 03mMultiple Airlines

Deal found 9/16

$763

Sun 9/212:15 pmSEA - ICN

Nonstop11h 40mMultiple Airlines

Tue 10/289:15 pmICN - SEA

1 stop33h 05mMultiple Airlines

Deal found 9/16

$764

Fri 10/38:37 amSEA - ICN

3 stops42h 08mMultiple Airlines

Fri 10/106:20 pmICN - SEA

Nonstop10h 10mMultiple Airlines

Deal found 9/15

$765

Fri 10/248:40 amSEA - ICN

1 stop18h 05mMultiple Airlines

Wed 10/299:25 pmICN - SEA

1 stop18h 07mMultiple Airlines

Deal found 9/17

$767

Tue 10/141:02 pmSEA - ICN

2 stops34h 43mMultiple Airlines

Wed 10/229:25 pmICN - SEA

1 stop18h 34mMultiple Airlines

Deal found 9/16

$768

Thu 10/162:18 pmPDX - ICN

1 stop33h 27mMultiple Airlines

Fri 10/248:45 pmICN - PDX

2 stops34h 03mMultiple Airlines

Deal found 9/17

$773

Best flights from Washington to Seoul
Discover carefully curated flight deals from Washington to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Thu 10/212:15 pmSEA - ICN

Nonstop12h 15mDelta

Tue 10/217:20 pmICN - SEA

Nonstop10h 10mDelta

Deal found 9/16

$830

Tue 11/1112:10 amSEA - ICN

Nonstop12h 10mAsiana Airlines

Sun 12/79:00 pmICN - SEA

Nonstop9h 55mAsiana Airlines

Deal found 9/16

$831

Thu 10/28:00 amSEA - ICN

1 stop17h 50mKorean Air

Tue 10/144:40 pmICN - SEA

Nonstop10h 00mKorean Air

Deal found 9/16

$837

Wed 10/112:35 pmGEG - ICN

1 stop34h 55mAmerican Airlines

Wed 10/155:45 pmICN - GEG

1 stop33h 58mAmerican Airlines

Deal found 9/16

$880

Mon 10/207:00 amPSC - ICN

1 stop29h 50mMultiple Airlines

Mon 10/278:35 pmICN - PSC

2 stops37h 23mMultiple Airlines

Deal found 9/16

$884

Sat 11/89:34 amPDX - ICN

1 stop16h 01mAlaska Airlines

Sun 12/78:35 pmICN - PDX

1 stop14h 20mAlaska Airlines

Deal found 9/16

$892

Thu 10/23:50 pmPDX - ICN

1 stop20h 30mUnited Airlines

Sat 10/1811:30 amICN - PDX

2 stops25h 36mUnited Airlines

Deal found 9/16

$897

Wed 11/512:10 pmSEA - GMP

1 stop16h 55mJapan Airlines

Thu 11/2712:05 pmGMP - SEA

2 stops37h 59mJapan Airlines

Deal found 9/16

$904

Wed 10/157:00 amPDX - GMP

2 stops37h 50mEVA Air

Wed 10/228:20 pmGMP - PDX

2 stops33h 09mEVA Air

Deal found 9/15

$1,143

Thu 10/212:15 pmSEA - ICN

Nonstop12h 15mDelta

Thu 10/167:20 pmICN - SEA

Nonstop10h 10mDelta

Deal found 9/16

$830

Mon 11/1012:10 amSEA - ICN

Nonstop12h 10mAsiana Airlines

Sat 12/69:00 pmICN - SEA

Nonstop9h 55mAsiana Airlines

Deal found 9/16

$831

Fri 10/37:15 amSEA - ICN

1 stop18h 35mKorean Air

Sun 10/124:40 pmICN - SEA

Nonstop10h 00mKorean Air

Deal found 9/16

$837

Fri 11/77:30 amPDX - ICN

1 stop18h 05mAlaska Airlines

Sat 12/68:35 pmICN - PDX

1 stop13h 10mAlaska Airlines

Deal found 9/16

$892

Sat 10/47:30 amPDX - ICN

1 stop15h 30mUnited Airlines

Fri 10/104:50 pmICN - PDX

2 stops21h 55mUnited Airlines

Deal found 9/15

$897

Mon 11/312:10 pmSEA - GMP

1 stop16h 55mJapan Airlines

Fri 11/218:00 amGMP - SEA

1 stop18h 50mJapan Airlines

Deal found 9/16

$908

Sun 10/197:25 amSEA - ICN

1 stop17h 55mDelta

Sun 11/24:10 pmICN - SEA

Nonstop9h 50mDelta

Deal found 9/15

$834

Wed 11/57:10 amSEA - ICN

1 stop17h 30mKorean Air

Sun 11/164:10 pmICN - SEA

Nonstop9h 50mKorean Air

Deal found 9/15

$837

Wed 10/19:40 amPDX - ICN

1 stop16h 55mAlaska Airlines

Fri 10/178:35 pmICN - PDX

1 stop19h 43mAlaska Airlines

Deal found 9/16

$892

Wed 11/512:10 pmSEA - GMP

1 stop16h 55mJapan Airlines

Sat 11/2212:05 pmGMP - SEA

1 stop14h 45mJapan Airlines

Deal found 9/16

$908

Thu 10/301:36 pmPSC - ICN

2 stops34h 34mMultiple Airlines

Thu 11/69:00 pmICN - PSC

1 stop16h 51mMultiple Airlines

Deal found 9/15

$1,002

Mon 9/297:20 amSEA - ICN

1 stop18h 00mDelta

Mon 10/134:40 pmICN - SEA

Nonstop10h 00mDelta

Deal found 9/15

$834

Fri 10/317:25 amSEA - ICN

1 stop18h 15mKorean Air

Wed 11/54:10 pmICN - SEA

Nonstop9h 50mKorean Air

Deal found 9/15

$837

Sun 11/99:34 amPDX - ICN

1 stop16h 01mAlaska Airlines

Sat 12/68:35 pmICN - PDX

1 stop13h 10mAlaska Airlines

Deal found 9/16

$892

Sat 11/82:50 pmPSC - ICN

1 stop21h 50mUnited Airlines

Wed 11/1912:45 pmICN - PSC

2 stops25h 17mUnited Airlines

Deal found 9/16

$997

Tue 11/412:10 pmSEA - GMP

1 stop16h 55mJapan Airlines

Wed 11/2612:05 pmGMP - SEA

1 stop14h 45mJapan Airlines

Deal found 9/16

$908

Thu 10/27:20 amSEA - ICN

1 stop18h 00mDelta

Mon 11/34:10 pmICN - SEA

Nonstop9h 50mDelta

Deal found 9/15

$834

Wed 10/12:00 pmGEG - ICN

2 stops33h 30mMultiple Airlines

Wed 10/155:45 pmICN - GEG

2 stops22h 42mMultiple Airlines

Deal found 9/16

$1,052

Wed 11/126:00 amPDX - ICN

1 stop19h 35mAlaska Airlines

Sun 12/78:35 pmICN - PDX

1 stop14h 20mAlaska Airlines

Deal found 9/16

$892

Mon 10/65:05 amGEG - ICN

2 stops31h 15mUnited Airlines

Mon 10/1311:30 amICN - GEG

1 stop15h 09mUnited Airlines

Deal found 9/15

$1,015

Thu 11/1311:15 amSEA - ICN

Nonstop12h 15mDelta

Mon 12/88:05 pmICN - SEA

Nonstop10h 15mDelta

Deal found 9/16

$841

Last-minute flights from Washington to Seoul
Discover last-minute flight deals from Washington to Seoul. Data last updated September 17, 2025 and is based on user searches.

Sat 9/209:39 pmSEA - ICN

1 stop26h 06mMultiple Airlines

Tue 10/289:15 pmICN - SEA

1 stop33h 05mMultiple Airlines

Deal found 9/16

$772

Sun 9/212:15 pmSEA - ICN

Nonstop11h 40mMultiple Airlines

Tue 10/289:15 pmICN - SEA

1 stop33h 05mMultiple Airlines

Deal found 9/16

$764

Tue 9/232:15 pmSEA - ICN

Nonstop11h 40mMultiple Airlines

Tue 10/289:15 pmICN - SEA

1 stop33h 05mMultiple Airlines

Deal found 9/16

$757

Fri 9/264:40 pmSEA - ICN

2 stops55h 05mMultiple Airlines

Tue 10/289:15 pmICN - SEA

1 stop33h 05mMultiple Airlines

Deal found 9/16

$754

Wed 10/110:00 amSEA - ICN

1 stop14h 05mMultiple Airlines

Thu 10/910:40 amICN - SEA

2 stops19h 36mMultiple Airlines

Deal found 9/17

$758

Wed 10/12:15 pmSEA - ICN

Nonstop11h 40mAsiana Airlines

Sun 10/126:20 pmICN - SEA

Nonstop10h 10mAsiana Airlines

Deal found 9/16

$761

Fri 10/38:37 amSEA - ICN

3 stops42h 08mMultiple Airlines

Fri 10/106:20 pmICN - SEA

Nonstop10h 10mMultiple Airlines

Deal found 9/15

$765

Tue 10/141:02 pmSEA - ICN

2 stops34h 43mMultiple Airlines

Wed 10/229:25 pmICN - SEA

1 stop18h 34mMultiple Airlines

Deal found 9/16

$768

Thu 10/162:18 pmPDX - ICN

1 stop33h 27mMultiple Airlines

Fri 10/248:45 pmICN - PDX

2 stops34h 03mMultiple Airlines

Deal found 9/17

$773

Fri 10/171:02 pmSEA - ICN

1 stop23h 48mMultiple Airlines

Sun 11/29:20 pmICN - SEA

2 stops30h 03mMultiple Airlines

Deal found 9/16

$763

Fri 10/248:40 amSEA - ICN

1 stop18h 05mWestJet

Sun 10/269:15 pmICN - SEA

1 stop33h 05mWestJet

Deal found 9/17

$752

Fri 10/248:40 amSEA - ICN

1 stop18h 05mMultiple Airlines

Mon 10/279:25 pmICN - SEA

1 stop18h 07mMultiple Airlines

Deal found 9/17

$767

One-way flights from Washington to Seoul
Search for one-way flight options from Washington to Seoul. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Thu 10/235:30 amSEA - ICN

2 stops21h 15mMultiple Airlines

Deal found 9/17

$348

Fri 10/171:50 pmSEA - ICN

1 stop37h 50mWestJet

Deal found 9/14

$360

Fri 10/241:02 pmSEA - ICN

1 stop23h 48mMultiple Airlines

Deal found 9/14

$373

Thu 11/203:22 pmSEA - ICN

1 stop31h 58mMultiple Airlines

Deal found 9/15

$375

Thu 11/69:08 amSEA - ICN

1 stop38h 02mMultiple Airlines

Deal found 9/15

$376

Fri 10/171:11 pmSEA - ICN

3 stops38h 29mMultiple Airlines

Deal found 9/15

$381

Fri 10/38:37 amSEA - ICN

3 stops42h 08mMultiple Airlines

Deal found 9/15

$382

Thu 10/231:50 pmSEA - ICN

1 stop36h 55mWestJet

Deal found 9/15

$390

Sat 9/279:39 pmSEA - ICN

1 stop26h 06mMultiple Airlines

Deal found 9/17

$394

Thu 9/257:22 pmPDX - ICN

2 stops52h 23mMultiple Airlines

Deal found 9/15

$409

Mon 11/249:48 pmPDX - ICN

2 stops52h 37mMultiple Airlines

Deal found 9/15

$413

Tue 9/238:06 amPDX - ICN

2 stops39h 39mMultiple Airlines

Deal found 9/15

$420

Fly from

Fly to

Route

Depart

Return

Price

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 10/2

12:15 pm-4:30 pm

Nonstop12h 15m

Incheon Intl

Tue 10/21

7:20 pm-1:30 pm

Nonstop10h 10m

$830

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 10/2

12:15 pm-4:30 pm

Nonstop12h 15m

Incheon Intl

Thu 10/16

7:20 pm-1:30 pm

Nonstop10h 10m

$830

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 11/11

12:10 am-5:20 am

Nonstop12h 10m

Incheon Intl

Sun 12/7

9:00 pm-1:55 pm

Nonstop9h 55m

$831

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 11/10

12:10 am-5:20 am

Nonstop12h 10m

Incheon Intl

Sat 12/6

9:00 pm-1:55 pm

Nonstop9h 55m

$831

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sun 10/19

7:25 am-5:20 pm

1 stop17h 55m

Incheon Intl

Sun 11/2

4:10 pm-10:00 am

Nonstop9h 50m

$834

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 9/29

7:20 am-5:20 pm

1 stop18h 00m

Incheon Intl

Mon 10/13

4:40 pm-10:40 am

Nonstop10h 00m

$834

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 10/2

7:20 am-5:20 pm

1 stop18h 00m

Incheon Intl

Mon 11/3

4:10 pm-9:00 am

Nonstop9h 50m

$834

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 10/2

8:00 am-5:50 pm

1 stop17h 50m

Incheon Intl

Tue 10/14

4:40 pm-10:40 am

Nonstop10h 00m

$837

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Fri 10/3

7:15 am-5:50 pm

1 stop18h 35m

Incheon Intl

Sun 10/12

4:40 pm-10:40 am

Nonstop10h 00m

$837

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 11/5

7:10 am-5:40 pm

1 stop17h 30m

Incheon Intl

Sun 11/16

4:10 pm-9:00 am

Nonstop9h 50m

$837

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results

...

Best time to book a flight from Washington to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Washington with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Seoul

What is the cheapest month to book a flight from State of Washington to Seoul?

Currently, February is the cheapest month in which you can book a flight from State of Washington to Seoul (average of $989). Flying from State of Washington to Seoul in December is currently the most expensive (average of $1,621). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to SEL?

When flying from State of Washington to Seoul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from State of Washington to Seoul

The most flights from USWA to SEL are scheduled on a Thursday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

Related info for your journey

How popular is this State of Washington to Seoul flight route?
Flights from Washington to Seoul have been viewed 200 times in the past calendar month.
How long is the flight from State of Washington to Seoul?
There are many flights that can get you from State of Washington to Seoul in 12h 10m. Fly via Delta, Asiana Airlines, or American Airlines to get the fastest option. There are 5200 mi between State of Washington and Seoul. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from State of Washington to Seoul one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $424. However, be on the lookout for offers from Japan Airlines and Alaska Airlines, as they are both options that can get you from State of Washington to Seoul for a low price.
What are the most popular routes from State of Washington to Seoul?
When deciding which route to take from State of Washington to Seoul consider Seattle/Tacoma Intl - Incheon Intl, Seattle/Tacoma Intl - Seoul Gimpo Intl or Portland - Incheon Intl as they are the most popular.
What are the most reliable airlines from State of Washington to Seoul?
Consider Alaska Airlines (67%), Hawaiian Airlines (67%) or Delta (63%) when booking your flight. These represent the most reliable airlines when flying from State of Washington to Seoul.
What are the cheapest flights from State of Washington to Seoul?
While on average a flight from State of Washington to Seoul is generally $1,278, our data shows the cheapest flight currently is $336. When looking at the most popular route, (Seattle/Tacoma Intl - Incheon Intl), you can expect to pay $606 for that flight.
Can I find deals for flights from Washington to Seoul that include hotel bookings?
Yes. In addition to deals on Washington to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Seoul?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Seoul.
Can I find deals for business class flights from Washington to Seoul?
Yes. Cheapflights offers flight deals from Washington to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from State of Washington to Seoul?
Currently, February is the cheapest month in which you can book a flight from State of Washington to Seoul (average of $989). Flying from State of Washington to Seoul in December is currently the most expensive (average of $1,621). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 10 airlines flying from Washington to Seoul

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$167	Average$1,256	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$182	Average$998	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$282	Average$865	FlexibilityNo cancel fee	On-time69%
Hawaiian Airlines	Cheapest$645	Average$1,218	FlexibilityNo cancel fee	On-time85%
Air Canada	Cheapest$738	Average$912	FlexibilityNo cancel fee	On-time67%
Asiana Airlines	Cheapest$811	Average$1,119	FlexibilityNo cancel fee	On-time76%
Korean Air	Cheapest$863	Average$1,515	FlexibilityNo cancel fee	On-time81%
China Airlines	Cheapest$886	Average$1,070	FlexibilityNo cancel fee	On-time70%
EVA Air	Cheapest$978	Average$1,089	FlexibilityNo cancel fee	On-time74%
Turkish Airlines	Cheapest$1,007	Average$1,247	FlexibilityNo cancel fee	On-time77%

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$348+ Cheap flights from Washington to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington to Seoul

Keep the following information in mind while searching for Washington to Seoul flight deals. Data was last updated September 17, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Washington to Seoul

Cheapest flights from Washington to SeoulExplore the most affordable flight options available from Washington to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Explore the most affordable flight options available from Washington to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Seoul that are best for you.

Best time to book a flight from Washington to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Seoul

What is the cheapest month to book a flight from State of Washington to Seoul?

What is the cheapest time of day to fly from WA to SEL?

Find hourly flight availability from Washington to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Weekly flight availability from State of Washington to Seoul

Explore weekly flight availability from Washington to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2025.

Related info for your journey

Find useful and relevant information for your journey from Washington to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this State of Washington to Seoul flight route?

How long is the flight from State of Washington to Seoul?

What are the cheapest airlines to fly from State of Washington to Seoul one-way?

What are the most popular routes from State of Washington to Seoul?

What are the most reliable airlines from State of Washington to Seoul?

What are the cheapest flights from State of Washington to Seoul?

Can I find deals for flights from Washington to Seoul that include hotel bookings?

How can I find direct flights from Washington to Seoul?

Can I find deals for business class flights from Washington to Seoul?

What is the cheapest month to book a flight from State of Washington to Seoul?

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Alternative routes for Washington to Seoul

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Top 10 airlines flying from Washington to Seoul

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Cheapest flights from Washington to Seoul
Explore the most affordable flight options available from Washington to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.