How popular is this South Korea to State of Washington flight route?

This flight path from South Korea to Washington was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

One-way options have recently been found by users for as low as $393 on American Airlines. Other airlines that offer cheap prices include WestJet from $546 and EVA Air from $548 one-way.

How far in advance should I book a flight from South Korea to State of Washington?

Travelers have found it’s best to book a flight 35 days in advance to save up to 65% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 35 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from South Korea to State of Washington 1-2 weeks in advance for as low as $550, or $1,107 for flights within the next 24 hours.

What is the cheapest month to fly from South Korea to State of Washington?

March can be a great time to fly to State of Washington from South Korea with a flight ticket averaging about $899. Cheapflights users have found deals in the month of March for as cheap as $377. The most expensive prices can be found in the month of August.

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

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

How can I find direct flights from South Korea to Washington?

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

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

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

$760+ Flights from South Korea to Washington

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from South Korea to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from South Korea to Washington

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$445 (WhyPayMore)
One-way from	$340 (Kiwi.com)
Popular in	August
Cheapest in	March
Average price	$777
Good round-trip deal	$698 or less
Good one-way deal	$603 or less

Provider with most accurate pricing for Seoul (SEL)-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seoul (SEL)-Seattle/Tacoma Intl flights.

Search Deals

From South Korea to Washington

Search Deals

One-way flight from South Korea to Washington

Search Deals

Highest demand for flights based on searches. 24% potential increase in price ($294 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from South Korea to Washington.

Search Deals

Price to beat on a one-way flight from South Korea to Washington.

Search Deals

Find flight deals from South Korea to Washington

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

Wed 9/105:45 pmICN - SEA

1 stop31h 36mAir Canada

Wed 9/172:55 pmSEA - ICN

1 stop33h 10mAir Canada

Deal found 4/17

$440

Fri 10/105:45 pmICN - PDX

1 stop13h 01mAir Canada

Sun 10/197:40 pmPDX - ICN

1 stop28h 25mAir Canada

Deal found 4/17

$445

Sun 5/117:20 pmICN - SEA

Nonstop10h 15mKorean Air

Wed 5/1412:40 pmSEA - ICN

Nonstop11h 50mKorean Air

Deal found 4/17

$485

Fri 5/1611:30 amICN - SEA

2 stops26h 27mUnited Airlines

Wed 9/246:45 amSEA - ICN

2 stops29h 35mUnited Airlines

Deal found 4/17

$489

Thu 9/184:50 pmICN - PDX

1 stop17h 46mUnited Airlines

Mon 9/227:00 amPDX - ICN

2 stops29h 20mUnited Airlines

Deal found 4/17

$518

Mon 5/196:20 pmICN - SEA

Nonstop10h 10mAsiana Airlines

Fri 5/302:15 pmSEA - ICN

Nonstop11h 40mAsiana Airlines

Deal found 4/17

$521

Mon 5/196:20 pmICN - SEA

1 stop19h 40mMultiple Airlines

Sat 5/317:00 amSEA - ICN

1 stop21h 30mMultiple Airlines

Deal found 4/17

$579

Mon 5/197:20 pmICN - SEA

Nonstop10h 15mDelta

Sun 6/156:15 amSEA - ICN

1 stop19h 05mDelta

Deal found 4/17

$585

Sat 5/106:20 pmICN - PDX

1 stop16h 36mMultiple Airlines

Sat 5/1710:46 amPDX - ICN

1 stop17h 44mMultiple Airlines

Deal found 4/17

$629

Mon 5/197:20 pmICN - PDX

1 stop33h 21mDelta

Thu 6/268:02 pmPDX - ICN

1 stop28h 28mDelta

Deal found 4/17

$650

Sat 5/3110:40 amPUS - SEA

1 stop16h 00mKorean Air

Sun 8/241:20 pmSEA - PUS

1 stop14h 15mKorean Air

Deal found 4/17

$656

Tue 5/132:30 pmICN - PDX

1 stop17h 38mKorean Air

Sun 5/185:06 pmPDX - ICN

1 stop32h 44mKorean Air

Deal found 4/17

$667

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

Fri 10/105:45 pmICN - PDX

1 stop13h 01mAir Canada

Sun 10/197:40 pmPDX - ICN

1 stop28h 25mAir Canada

Deal found 4/17

$445

Tue 5/277:20 pmICN - SEA

Nonstop10h 15mKorean Air

Thu 10/212:25 pmSEA - ICN

Nonstop12h 05mKorean Air

Deal found 4/16

$459

Tue 5/611:30 amICN - SEA

1 stop20h 28mUnited Airlines

Sat 5/1012:45 pmSEA - ICN

1 stop34h 15mUnited Airlines

Deal found 4/16

$487

Sat 5/106:20 pmICN - SEA

Nonstop10h 10mAsiana Airlines

Sun 5/182:15 pmSEA - ICN

Nonstop11h 40mAsiana Airlines

Deal found 4/16

$519

Mon 5/196:20 pmICN - SEA

1 stop19h 40mMultiple Airlines

Sat 5/317:00 amSEA - ICN

1 stop21h 30mMultiple Airlines

Deal found 4/17

$579

Thu 4/244:00 pmICN - SEA

1 stop18h 59mDelta

Wed 4/3012:40 pmSEA - ICN

Nonstop11h 50mDelta

Deal found 4/16

$587

Wed 5/710:35 pmICN - SEA

2 stops26h 25mHainan Airlines

Thu 5/2911:00 amSEA - ICN

2 stops42h 30mHainan Airlines

Deal found 4/16

$733

Wed 9/107:40 amGMP - SEA

1 stop22h 45mANA

Wed 9/174:30 pmSEA - GMP

1 stop34h 05mANA

Deal found 4/17

$896

Wed 7/29:25 pmICN - PDX

1 stop24h 30mAlaska Airlines

Fri 7/257:30 amPDX - ICN

1 stop19h 30mAlaska Airlines

Deal found 4/17

$950

Sat 5/3112:15 pmPUS - SEA

1 stop23h 15mChina Airlines

Sat 8/231:40 amSEA - PUS

1 stop17h 35mChina Airlines

Deal found 4/17

$959

Thu 9/184:50 pmICN - PDX

1 stop17h 46mUnited Airlines

Mon 9/227:00 amPDX - ICN

2 stops29h 20mUnited Airlines

Deal found 4/17

$518

Sun 5/115:45 pmICN - SEA

1 stop31h 33mAir Canada

Fri 5/235:30 amSEA - ICN

1 stop18h 35mAir Canada

Deal found 4/15

$548

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

Tue 4/226:30 pmICN - SEA

2 stops37h 28mUnited Airlines

Tue 5/65:13 pmSEA - ICN

2 stops29h 47mUnited Airlines

Deal found 4/17

$637

Tue 4/228:55 pmICN - SEA

1 stop16h 20mAsiana Airlines

Thu 4/242:15 pmSEA - ICN

Nonstop11h 40mAsiana Airlines

Deal found 4/17

$947

Tue 4/2212:00 pmICN - SEA

1 stop23h 30mEVA Air

Sun 4/271:30 amSEA - ICN

1 stop25h 15mEVA Air

Deal found 4/17

$1,191

Wed 4/234:40 pmICN - SEA

Nonstop10h 00mKorean Air

Mon 9/2912:50 pmSEA - ICN

Nonstop11h 50mKorean Air

Deal found 4/17

$553

Wed 4/238:40 pmICN - SEA

1 stop18h 12mMultiple Airlines

Sat 4/262:15 pmSEA - ICN

Nonstop11h 40mMultiple Airlines

Deal found 4/17

$904

Wed 4/231:20 amICN - SEA

1 stop27h 25mQatar Airways

Mon 4/2811:20 amSEA - ICN

2 stops37h 45mQatar Airways

Deal found 4/17

$2,025

Wed 4/2312:35 amICN - SEA

3 stops59h 46mEthiopian Air

Thu 5/88:10 amSEA - ICN

3 stops39h 50mEthiopian Air

Deal found 4/17

$2,564

Fri 4/259:25 pmICN - SEA

1 stop16h 30mHawaiian Airlines

Thu 5/16:50 pmSEA - ICN

1 stop32h 10mHawaiian Airlines

Deal found 4/17

$933

Fri 4/255:45 pmICN - SEA

1 stop20h 18mAir Canada

Tue 5/62:55 pmSEA - ICN

1 stop33h 10mAir Canada

Deal found 4/17

$1,185

Sat 4/269:25 pmICN - SEA

1 stop18h 19mAlaska Airlines

Sat 5/108:40 pmSEA - ICN

1 stop30h 20mAlaska Airlines

Deal found 4/17

$1,141

Sat 5/106:20 pmICN - PDX

1 stop16h 36mMultiple Airlines

Sat 5/1710:46 amPDX - ICN

1 stop17h 44mMultiple Airlines

Deal found 4/17

$629

Sun 5/117:20 pmICN - SEA

Nonstop10h 15mKorean Air

Wed 5/1412:40 pmSEA - ICN

Nonstop11h 50mKorean Air

Deal found 4/17

$485

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

Wed 5/76:20 pmICN - PDX

1 stop17h 00mMultiple Airlines

Deal found 4/16

$340

Tue 5/65:25 pmICN - PDX

2 stops33h 25mAmerican Airlines

Deal found 4/16

$393

Thu 5/86:50 pmGMP - SEA

3 stops41h 52mMultiple Airlines

Deal found 4/17

$466

Tue 5/276:55 pmGMP - PDX

3 stops34h 30mMultiple Airlines

Deal found 4/17

$488

Tue 6/311:00 amPUS - SEA

2 stops19h 40mMultiple Airlines

Deal found 4/16

$491

Fri 6/2710:20 amICN - SEA

3 stops43h 49mMultiple Airlines

Deal found 4/16

$534

Thu 6/58:45 pmICN - SEA

1 stop32h 13mWestJet

Deal found 4/16

$546

Mon 6/1612:00 pmICN - SEA

1 stop22h 50mEVA Air

Deal found 4/15

$548

Fri 6/131:50 pmGMP - SEA

1 stop21h 00mEVA Air

Deal found 4/16

$552

Sun 7/1312:15 pmPUS - SEA

1 stop23h 30mChina Airlines

Deal found 4/15

$557

Tue 5/275:45 pmICN - PDX

1 stop12h 55mAir Canada

Deal found 4/17

$570

Thu 5/84:40 pmICN - SEA

Nonstop10h 00mKorean Air

Deal found 4/16

$572

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 10/10

5:45 pm-2:46 pm

1 stop13h 01m

Portland

Sun 10/19

7:40 pm-4:05 pm

1 stop28h 25m

$445

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Sun 5/11

7:20 pm-1:35 pm

Nonstop10h 15m

Seattle/Tacoma Intl

Wed 5/14

12:40 pm-4:30 pm

Nonstop11h 50m

$485

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Fri 5/16

11:30 am-9:57 pm

2 stops26h 27m

Seattle/Tacoma Intl

Wed 9/24

6:45 am-4:20 am

2 stops29h 35m

$489

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 9/18

4:50 pm-6:36 pm

1 stop17h 46m

Portland

Mon 9/22

7:00 am-4:20 am

2 stops29h 20m

$518

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Sat 5/10

6:20 pm-12:30 pm

Nonstop10h 10m

Seattle/Tacoma Intl

Sun 5/18

2:15 pm-5:55 pm

Nonstop11h 40m

$519

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Mon 5/12

5:45 pm-2:13 pm

1 stop12h 28m

Seattle/Tacoma Intl

Fri 5/23

5:30 am-4:05 pm

1 stop18h 35m

$554

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Mon 5/19

6:20 pm-10:00 pm

1 stop19h 40m

Seattle/Tacoma Intl

Sat 5/31

7:00 am-8:30 pm

1 stop21h 30m

$579

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Sat 5/10

7:20 pm-1:35 pm

Nonstop10h 15m

Seattle/Tacoma Intl

Sun 5/18

6:15 am-5:20 pm

1 stop19h 05m

$582

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 5/10

6:20 pm-6:56 pm

1 stop16h 36m

Portland

Sat 5/17

10:46 am-8:30 pm

1 stop17h 44m

$629

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 5/19

7:20 pm-12:41 pm

1 stop33h 21m

Portland

Thu 6/26

8:02 pm-4:30 pm

1 stop28h 28m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 results

...

Best time to book a flight from South Korea to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from South Korea 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 South Korea to Washington

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

Currently, January is the cheapest month in which you can book a flight from South Korea to State of Washington (average of $238). Flying from South Korea to State of Washington in July is currently the most expensive (average of $411). 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 KR to WA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to State of Washington as you normally would.

Weekly flight availability from South Korea to State of Washington

The most flights from KR0 to USWA are scheduled on a Monday (8 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Washington by month

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from South Korea to Washington by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air

8.4

Very good

1,177 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Korean Air

8.4

Very good

1,064 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Japan Airlines

8.3

Very good

1,440 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

ANA

8.3

Very good

844 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

China Airlines

8.2

Very good

729 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

How popular is this South Korea to State of Washington flight route?
This flight path from South Korea to Washington was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from South Korea to State of Washington one-way?
One-way options have recently been found by users for as low as $393 on American Airlines. Other airlines that offer cheap prices include WestJet from $546 and EVA Air from $548 one-way.
Can I find deals for flights from South Korea to Washington that include hotel bookings?
Yes. In addition to deals on South Korea to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Korea to Washington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Washington.
Can I find deals for business class flights from South Korea to Washington?
Yes. Cheapflights offers flight deals from South Korea to Washington 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 South Korea to State of Washington?
Currently, January is the cheapest month in which you can book a flight from South Korea to State of Washington (average of $238). Flying from South Korea to State of Washington in July is currently the most expensive (average of $411). 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

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from South Korea to Washington

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$474	Average$752	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$516	Average$868	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$538	Average$718	FlexibilityNo cancel fee	On-time71%
Korean Air	Cheapest$555	Average$1,097	FlexibilityNo cancel fee	On-time81%
Asiana Airlines	Cheapest$642	Average$995	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$667	Average$1,106	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$340+ Cheap flights from South Korea to Washington

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Korea to Washington with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from South Korea to Washington

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from South Korea to Washington

Cheapest flights from South Korea to WashingtonExplore the most affordable flight options available from South Korea to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

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

Cheapflights Fare Finder

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

Best time to book a flight from South Korea to Washington

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

Cheapflights Insights

Everything you need to know about your flight from South Korea to Washington

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

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

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

Weekly flight availability from South Korea to State of Washington

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington

Related info for your journey

Find useful and relevant information for your journey from South Korea to Washington. 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 South Korea to State of Washington flight route?

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

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

How can I find direct flights from South Korea to Washington?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Korea to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from South Korea to Washington

100% Free

Book with Flexibility

Travel Smart

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