How popular is this Seattle to South Korea flight route?

This flight path from Seattle/Tacoma Intl to South Korea was viewed by 200 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 Seattle to South Korea one-way?

$530 is the cheapest one-way deal found within the past few days, from Hainan Airlines. You may also be able to find cheap deals on WestJet and China Airlines, with prices starting from $534 and $565, respectively.

What are the most popular routes from Seattle to South Korea?

Most travelers choose Seattle/Tacoma Intl - Incheon Intl, Seattle/Tacoma Intl - Seoul Gimpo Intl or Seattle/Tacoma Intl - Busan Gimhae when deciding on the best route from Seattle to South Korea.

What are the cheapest flights from Seattle to South Korea?

The cheapest flight price from Seattle to South Korea is $437. On average you can expect to pay $2,028. The most popular route, (Seattle/Tacoma Intl - Incheon Intl), can usually be booked for $787.

What are the most reliable airlines from Seattle to South Korea?

The top 3 most reliable airlines when flying from Seattle to South Korea are Korean Air (86%), Delta (79%) and Etihad Airways (72%).

What are the most popular airlines that fly from Seattle to South Korea?

The most popular airlines flying from Seattle to South Korea are Air Canada, EVA Air and China Airlines. Something to consider prior to booking your flight.

How far in advance should I book a flight from Seattle to South Korea?

Travelers have found it’s best to book a flight 24 days in advance to save up to 23% 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 24 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 Seattle to South Korea 1-2 weeks in advance for as low as $1,061, or $1,061 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to South Korea?

The best pricing can be found in the month of February. Prices to South Korea from Seattle average $1,258. You can even find prices in February for less than $1,258, as users have found deals to South Korea from as low as $857. The month of June appears to be one of the more expensive times to travel to South Korea from Seattle. Flying in the targeted month can save you up to 32%.

What airport do you fly from for flights from Seattle to South Korea?

Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to South Korea from Seattle.

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

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

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

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

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

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

$970+ Flights from Seattle to South Korea

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

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Cheap flight deals from Seattle to South Korea

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$919 (Ovago)
One-way from	$474 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$1,078
Good round-trip deal	$787 or less
Good one-way deal	$516 or less

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

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

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From Seattle/Tacoma Intl to South Korea

Search Deals

One-way flight from Seattle/Tacoma Intl to South Korea

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($296 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Seattle/Tacoma Intl to South Korea.

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Price to beat on a one-way flight from Seattle/Tacoma Intl to South Korea.

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Find flight deals from Seattle to South Korea

Cheapest flights from Seattle to South Korea
Explore the most affordable flight options available from Seattle to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Mon 9/11:40 amSEA - PUS

1 stop25h 20mChina Airlines

Thu 9/1812:15 pmPUS - SEA

1 stop23h 05mChina Airlines

Deal found 3/27

$919

Thu 9/42:15 pmSEA - PUS

2 stops52h 15mAsiana Airlines

Thu 9/185:55 pmPUS - SEA

2 stops34h 35mAsiana Airlines

Deal found 3/27

$937

Thu 4/2411:00 amSEA - ICN

2 stops42h 30mMultiple Airlines

Thu 5/18:45 pmICN - SEA

1 stop15h 43mMultiple Airlines

Deal found 3/27

$949

Sat 4/51:10 amSEA - ICN

1 stop26h 25mChina Airlines

Mon 5/1912:35 pmICN - SEA

1 stop22h 55mChina Airlines

Deal found 3/27

$951

Mon 5/127:00 amSEA - PUS

2 stops41h 35mMultiple Airlines

Mon 5/197:50 amPUS - SEA

1 stop19h 40mMultiple Airlines

Deal found 3/27

$953

Fri 5/237:05 amSEA - ICN

1 stop19h 40mWestJet

Sun 5/258:45 pmICN - SEA

2 stops33h 24mWestJet

Deal found 3/27

$959

Mon 4/141:30 amSEA - ICN

1 stop17h 30mEVA Air

Tue 5/612:00 pmICN - SEA

1 stop23h 30mEVA Air

Deal found 3/26

$974

Sun 10/121:30 amSEA - GMP

1 stop24h 40mEVA Air

Fri 10/311:50 pmGMP - SEA

1 stop21h 20mEVA Air

Deal found 3/27

$1,020

Mon 3/317:10 pmSEA - ICN

1 stop30h 30mTurkish Airlines

Tue 4/811:20 pmICN - SEA

1 stop33h 55mTurkish Airlines

Deal found 3/27

$1,024

Fri 4/181:15 amSEA - CJU

1 stop16h 30mMultiple Airlines

Wed 4/2312:20 pmCJU - SEA

1 stop19h 50mMultiple Airlines

Deal found 3/28

$1,046

Thu 4/311:00 amSEA - ICN

2 stops42h 30mHainan Airlines

Wed 4/1610:35 pmICN - SEA

2 stops26h 25mHainan Airlines

Deal found 3/26

$1,047

Wed 4/236:25 pmSEA - ICN

2 stops26h 15mCathay Pacific

Sun 4/271:40 pmICN - SEA

2 stops34h 25mCathay Pacific

Deal found 3/26

$1,070

Best flights from Seattle to South Korea
Discover carefully curated flight deals from Seattle to South Korea that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Mon 9/11:40 amSEA - PUS

1 stop25h 20mChina Airlines

Thu 9/1812:15 pmPUS - SEA

1 stop23h 05mChina Airlines

Deal found 3/27

$919

Thu 9/42:15 pmSEA - PUS

2 stops52h 15mAsiana Airlines

Thu 9/185:55 pmPUS - SEA

2 stops34h 35mAsiana Airlines

Deal found 3/27

$937

Thu 4/2411:00 amSEA - ICN

2 stops42h 30mMultiple Airlines

Thu 5/18:45 pmICN - SEA

1 stop15h 43mMultiple Airlines

Deal found 3/27

$949

Thu 5/810:00 amSEA - ICN

1 stop14h 05mAir Canada

Sun 5/255:45 pmICN - SEA

1 stop20h 28mAir Canada

Deal found 3/28

$953

Fri 5/237:05 amSEA - ICN

1 stop19h 40mWestJet

Sun 5/258:45 pmICN - SEA

2 stops33h 24mWestJet

Deal found 3/27

$959

Tue 9/1612:30 amSEA - ICN

1 stop18h 30mEVA Air

Wed 9/2412:00 pmICN - SEA

1 stop23h 30mEVA Air

Deal found 3/27

$974

Thu 4/2411:00 amSEA - ICN

2 stops42h 30mHainan Airlines

Wed 5/710:35 pmICN - SEA

2 stops26h 25mHainan Airlines

Deal found 3/27

$982

Thu 9/47:10 pmSEA - ICN

1 stop30h 30mTurkish Airlines

Wed 10/1510:20 amICN - SEA

1 stop40h 15mTurkish Airlines

Deal found 3/26

$1,023

Tue 5/206:59 pmSEA - ICN

2 stops27h 06mCathay Pacific

Tue 6/33:10 pmICN - SEA

2 stops33h 46mCathay Pacific

Deal found 3/27

$1,061

Mon 4/214:30 pmSEA - GMP

1 stop26h 35mANA

Mon 5/512:40 pmGMP - SEA

2 stops21h 53mANA

Deal found 3/27

$1,172

Sat 4/196:10 amSEA - CJU

2 stops44h 00mChina Eastern

Wed 4/231:40 pmCJU - SEA

2 stops43h 20mChina Eastern

Deal found 3/28

$1,194

Wed 9/311:35 pmSEA - PUS

1 stop28h 15mPhilippine Airlines

Tue 9/169:00 pmPUS - SEA

1 stop38h 15mPhilippine Airlines

Deal found 3/27

$1,244

Last-minute flights from Seattle to South Korea
Discover last-minute flight deals from Seattle to South Korea. Data last updated March 28, 2025 and is based on user searches.

Sun 3/301:10 amSEA - PUS

1 stop25h 50mMultiple Airlines

Wed 4/22:20 pmPUS - SEA

2 stops34h 40mMultiple Airlines

Deal found 3/27

$1,111

Mon 3/317:10 pmSEA - ICN

1 stop30h 30mTurkish Airlines

Tue 4/811:20 pmICN - SEA

1 stop33h 55mTurkish Airlines

Deal found 3/27

$1,024

Tue 4/17:10 pmSEA - ICN

1 stop45h 30mTurkish Airlines

Fri 6/2710:20 amICN - SEA

1 stop40h 15mTurkish Airlines

Deal found 3/27

$1,037

Tue 4/11:30 amSEA - ICN

1 stop25h 15mEVA Air

Wed 4/97:45 pmICN - SEA

1 stop15h 45mEVA Air

Deal found 3/27

$1,045

Tue 4/17:13 amSEA - ICN

2 stops43h 32mWestJet

Fri 6/278:45 pmICN - SEA

2 stops57h 24mWestJet

Deal found 3/27

$1,291

Tue 4/12:15 pmSEA - ICN

Nonstop11h 40mAsiana Airlines

Fri 6/276:20 pmICN - SEA

Nonstop10h 10mAsiana Airlines

Deal found 3/27

$1,325

Tue 4/112:50 pmSEA - ICN

Nonstop11h 50mKorean Air

Tue 4/89:00 pmICN - SEA

1 stop16h 47mKorean Air

Deal found 3/27

$1,331

Tue 4/110:25 amSEA - GMP

2 stops40h 10mANA

Tue 4/87:55 pmGMP - SEA

1 stop34h 30mANA

Deal found 3/26

$1,331

Tue 4/11:45 pmSEA - ICN

2 stops32h 20mCathay Pacific

Tue 4/83:10 pmICN - SEA

2 stops34h 40mCathay Pacific

Deal found 3/26

$1,334

Wed 4/21:30 amSEA - CJU

1 stop36h 35mMultiple Airlines

Wed 5/218:30 amCJU - SEA

2 stops19h 00mMultiple Airlines

Deal found 3/27

$1,213

Thu 4/311:00 amSEA - ICN

2 stops42h 30mHainan Airlines

Wed 4/1610:35 pmICN - SEA

2 stops26h 25mHainan Airlines

Deal found 3/26

$1,047

Sat 4/51:10 amSEA - ICN

1 stop26h 25mChina Airlines

Mon 5/1912:35 pmICN - SEA

1 stop22h 55mChina Airlines

Deal found 3/27

$951

One-way flights from Seattle to South Korea
Search for one-way flight options from Seattle to South Korea. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Mon 4/212:30 pmSEA - GMP

3 stops54h 30mMultiple Airlines

Deal found 3/26

$474

Thu 5/87:15 pmSEA - ICN

3 stops31h 30mMultiple Airlines

Deal found 3/26

$527

Thu 5/111:00 amSEA - ICN

2 stops42h 30mHainan Airlines

Deal found 3/25

$530

Sat 5/243:39 pmSEA - ICN

3 stops35h 06mWestJet

Deal found 3/26

$534

Sun 5/188:30 pmSEA - PUS

2 stops52h 05mMultiple Airlines

Deal found 3/27

$535

Sun 4/62:15 pmSEA - CJU

3 stops59h 45mMultiple Airlines

Deal found 3/28

$561

Sun 3/301:10 amSEA - ICN

1 stop18h 05mChina Airlines

Deal found 3/26

$565

Mon 4/141:30 amSEA - GMP

1 stop25h 45mEVA Air

Deal found 3/26

$582

Tue 4/11:30 amSEA - ICN

1 stop25h 15mEVA Air

Deal found 3/25

$585

Sat 4/55:45 amSEA - ICN

1 stop18h 20mAir Canada

Deal found 3/26

$647

Fri 4/411:35 pmSEA - ICN

1 stop27h 45mPhilippine Airlines

Deal found 3/27

$660

Sat 4/1211:50 amSEA - ICN

1 stop38h 00mKorean Air

Deal found 3/26

$687

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 9/1

1:40 am-7:00 pm

1 stop25h 20m

Busan Gimhae

Thu 9/18

12:15 pm-7:20 pm

1 stop23h 05m

$919

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Thu 9/4

2:15 pm-10:30 am

2 stops52h 15m

Busan Gimhae

Thu 9/18

5:55 pm-12:30 pm

2 stops34h 35m

$937

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 4/24

11:00 am-9:30 pm

2 stops42h 30m

Incheon Intl

Thu 5/1

8:45 pm-8:28 pm

1 stop15h 43m

$949

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 4/5

1:10 am-7:35 pm

1 stop26h 25m

Incheon Intl

Mon 5/19

12:35 pm-7:30 pm

1 stop22h 55m

$951

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 5/12

7:00 am-4:35 pm

2 stops41h 35m

Busan Gimhae

Mon 5/19

7:50 am-11:30 am

1 stop19h 40m

$953

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Fri 5/23

7:05 am-6:45 pm

1 stop19h 40m

Incheon Intl

Sun 5/25

8:45 pm-2:09 pm

2 stops33h 24m

$959

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 4/14

1:30 am-11:00 am

1 stop17h 30m

Incheon Intl

Tue 5/6

12:00 pm-7:30 pm

1 stop23h 30m

$974

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 3/31

7:10 pm-5:40 pm

1 stop30h 30m

Incheon Intl

Tue 4/8

11:20 pm-5:15 pm

1 stop33h 55m

$1,024

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 4/14

1:30 am-7:15 pm

1 stop25h 45m

Seoul Gimpo Intl

Sat 5/10

1:50 pm-7:30 pm

1 stop21h 40m

$1,043

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 4/18

1:15 am-9:45 am

1 stop16h 30m

Jeju City

Wed 4/23

12:20 pm-4:10 pm

1 stop19h 50m

$1,046

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 44 results

...

Best time to book a flight from Seattle to South Korea

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

What is the cheapest month to book a flight from Seattle to South Korea?

Currently, February is the cheapest month in which you can book a flight from Seattle to South Korea (average of $1,002). Flying from Seattle to South Korea in June is currently the most expensive (average of $1,661). 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 SEA to KR?

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

Rainfall in South Korea by month

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

If weather is an important factor for your trip to South Korea, 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 28.4 F).

Reviews of airlines servicing South Korea

To help decide which airline to fly from Seattle to South Korea, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,169 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

1,169 reviews

EVA Air

8.4

Very good

1,169 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

1,050 reviews

EVA Air

8.4

Very good

1,169 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

1,169 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

829 reviews

EVA Air

8.4

Very good

1,169 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

722 reviews

EVA Air

8.4

Very good

1,169 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

What airport do you fly from for flights from Seattle to South Korea?
Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to South Korea from Seattle.
How popular is this Seattle to South Korea flight route?
This flight path from Seattle/Tacoma Intl to South Korea was viewed by 200 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 Seattle to South Korea one-way?
$530 is the cheapest one-way deal found within the past few days, from Hainan Airlines. You may also be able to find cheap deals on WestJet and China Airlines, with prices starting from $534 and $565, respectively.
What are the most popular routes from Seattle to South Korea?
Most travelers choose Seattle/Tacoma Intl - Incheon Intl, Seattle/Tacoma Intl - Seoul Gimpo Intl or Seattle/Tacoma Intl - Busan Gimhae when deciding on the best route from Seattle to South Korea.
What are the most reliable airlines from Seattle to South Korea?
The top 3 most reliable airlines when flying from Seattle to South Korea are Korean Air (86%), Delta (79%) and Etihad Airways (72%).
What are the cheapest flights from Seattle to South Korea?
The cheapest flight price from Seattle to South Korea is $437. On average you can expect to pay $2,028. The most popular route, (Seattle/Tacoma Intl - Incheon Intl), can usually be booked for $787.
Can I find deals for flights from Seattle to South Korea that include hotel bookings?
Yes. In addition to deals on Seattle to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to South Korea?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to South Korea.
Can I find deals for business class flights from Seattle to South Korea?
Yes. Cheapflights offers flight deals from Seattle to South Korea 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 Seattle to South Korea?
Currently, February is the cheapest month in which you can book a flight from Seattle to South Korea (average of $1,002). Flying from Seattle to South Korea in June is currently the most expensive (average of $1,661). 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

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Complete your trip

South Korea car rentals

Jeju-do car rentals

Incheon Intl Airport car rentals

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Top 9 airlines flying from Seattle to South Korea

Airline	Cheapest	Average	Flexibility	On-time
Hawaiian Airlines	Cheapest$600	Average$881	FlexibilityNo cancel fee	On-time85%
United Airlines	Cheapest$769	Average$1,477	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$832	Average$971	FlexibilityNo cancel fee	On-time67%
China Airlines	Cheapest$861	Average$954	FlexibilityNo cancel fee	On-time70%
Asiana Airlines	Cheapest$926	Average$1,263	FlexibilityNo cancel fee	On-time76%
Korean Air	Cheapest$966	Average$1,402	FlexibilityNo cancel fee	On-time81%
Turkish Airlines	Cheapest$970	Average$1,250	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$983	Average$1,475	FlexibilityNo cancel fee	On-timeN/A
EVA Air	Cheapest$986	Average$1,089	FlexibilityNo cancel fee	On-time74%

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$474+ Cheap flights from Seattle (SEA) to South Korea

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to South Korea with Cheapflights

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3. Compare prices and book

Cheap flight deals from Seattle to South Korea

Keep the following information in mind while searching for Seattle to South Korea flight deals. Data was last updated March 28, 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 Seattle to South Korea

Cheapest flights from Seattle to South KoreaExplore the most affordable flight options available from Seattle to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from Seattle to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Seattle to South Korea

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

Cheapflights Insights

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

What is the cheapest month to book a flight from Seattle to South Korea?

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

Find hourly flight availability from Seattle to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Rainfall in South Korea by month

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

Temperature in South Korea by month

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

Reviews of airlines servicing South Korea

To help decide which airline to fly from Seattle to South Korea, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from Seattle to South Korea?

How popular is this Seattle to South Korea flight route?

What are the cheapest airlines to fly from Seattle to South Korea one-way?

What are the most popular routes from Seattle to South Korea?

What are the most reliable airlines from Seattle to South Korea?

What are the cheapest flights from Seattle to South Korea?

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

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

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

What is the cheapest month to book a flight from Seattle to South Korea?

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Alternative routes for Seattle to South Korea

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

Top 9 airlines flying from Seattle to South Korea

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Cheapest flights from Seattle to South Korea
Explore the most affordable flight options available from Seattle to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.