South Korea

Cheap flights from Seattle (SEA) to South Korea

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

Travelers have found it’s best to book a flight 33 days in advance to save up to 12% 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 33 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 $909, or $1,001 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 November. Prices to South Korea from Seattle average $961. You can even find prices in November for less than $961, as users have found deals to South Korea from as low as $705. The month of December 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 37%.

When is the cheapest time to fly from Seattle to South Korea (SEA - 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.

Cheap flights from Seattle to South Korea in January, February 2022

The best prices found for SEA to South Korea flights for January, February
Feb 12 - Mar 27
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

33h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

12h 22m
$751

Air Canada

View Deal

Deal found 1/24/22

Jan 27 - Feb 3
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

18h 15m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

12h 08m
$764

Air Canada

View Deal

Deal found 1/26/22

Feb 3 - Jun 15
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

18h 15m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

16h 10m
$775

Air Canada

View Deal

Deal found 1/24/22

Seattle to South Korea 2022 flight deals

Cheap flights to South Korea from Seattle found for this year
Mar 2 - Apr 17
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

18h 15m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

12h 22m
$750

Air Canada

View Deal

Deal found 1/26/22

Apr 7 - Apr 28
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

18h 05m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

19h 12m
$751

Air Canada

View Deal

Deal found 1/23/22

Jan 27 - Feb 3
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

18h 15m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

12h 08m
$764

Air Canada

View Deal

Deal found 1/26/22

Non-stop flights to South Korea from Seattle

Save time with Seattle to South Korea direct flight deals
Mar 27 - Apr 10
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

Nonstop

11h 25m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

Nonstop

10h 35m
$997

Asiana Airlines

View Deal

Deal found 1/23/22

Mar 6 - Mar 20
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

Nonstop

12h 05m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

Nonstop

9h 55m
$1,018

Asiana Airlines

View Deal

Deal found 1/24/22

Mar 20 - Mar 24
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

Nonstop

11h 50m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

Nonstop

10h 20m
$1,019

Korean Air

View Deal

Deal found 1/24/22

Last minute flights from Seattle to South Korea

Late deals on return flights to South Korea from Seattle, departing today and this week
Feb 3 - Jun 15
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

18h 15m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

16h 10m
$775

Air Canada

View Deal

Deal found 1/24/22

Feb 3 - Aug 30
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

18h 15m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

16h 10m
$875

Air Canada

View Deal

Deal found 1/24/22

Feb 3 - Aug 30
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

15h 20m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

2 stops

18h 35m
$890

Multiple Airlines

View Deal

Deal found 1/24/22

One-way flights to South Korea from Seattle

The cheapest one-way flights from Seattle to South Korea
Jun 21
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

3 stops

26h 05m
$474

Multiple Airlines

View Deal

Deal found 1/26/22

Feb 5
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

33h 30m
$489

Air Canada

View Deal

Deal found 1/23/22

May 10
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

2 stops

49h 06m
$495

Multiple Airlines

View Deal

Deal found 1/25/22

Related info for your journey

Useful info, stats and facts about Seattle to South Korea flights.

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.

Which airlines flying from Seattle/Tacoma Intl to South Korea have flexible cancellations due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to South Korea have new flexible policies in place due to COVID-19. Asiana Airlines, Korean Air, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Asiana Airlines with this kind of flexibility.

Can I find flights from Seattle to South Korea for under $800 on Cheapflights?

Yes, there are multiple flights from Seattle to South Korea for under $800. The cheapest flight booked recently is on Air Canada for just $750, but on average you can expect to pay $801.

Are there nonstop flights from Seattle to South Korea for under $1,000 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to South Korea under $1,000. A good price for a nonstop flight from Seattle to South Korea is less than $1,056.

Are there last-minute flights available from Seattle to South Korea for under $800?

There are currently 20+ open flights from Seattle to South Korea within the next 7 days for less than $800.

What days are nonstop flights available from Seattle to South Korea?

Nonstop flights are available for this route on the following days: Wednesday.

How popular is this Seattle to South Korea flight route?

This flight path from Seattle/Tacoma Intl to South Korea was viewed by 114 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How many flights depart from Seattle to South Korea on average per day?

Per day, 1 flight departs from Seattle to South Korea on average.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Seattle to South Korea?

A quick flight from Seattle to South Korea can take about 18h 15m. Air Canada provides one of the quickest options available for as low as $750. There are 5232 mi between Seattle and South Korea. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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 - Jeju City when deciding on the best route from Seattle to South Korea.

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

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

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 China Eastern (71%), Etihad Airways (70%) and Delta (64%).

What are the cheapest flights from Seattle to South Korea?

The cheapest flight price from Seattle to South Korea is $419. On average you can expect to pay $1,551. The most popular route, (Seattle/Tacoma Intl - Incheon Intl), can usually be booked for $770.

Can I fly to South Korea from Seattle/Tacoma Intl right now?

Information is based on travel restrictions from Seattle/Tacoma Intl to South Korea

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter South Korea.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 for RT-PCR (NAAT) and 48 Antigen (quick-test) hours before departing to South Korea.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering South Korea.

Documents
K-ETA - K-ETA is an electronic travel authorization that visa-free foreign visitors need to obtain before entering the Republic of Korea.


Can I fly back to Seattle/Tacoma Intl from South Korea?

Returning to Seattle/Tacoma Intl from South Korea

COVID-19 testing requirements
Visitors from South Korea must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from South Korea are not required to quarantine after entering Seattle/Tacoma Intl.

Destination points for flights from Seattle to South Korea

Select to see more specific information for flights from Seattle to all places in South Korea

Top 10 airlines flying from Seattle to South Korea

The chart below displays the airlines Cheapflights users traveling from Seattle to South Korea choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
XiamenAir
Cheapest$407
Average$580
FlexibilityNo cancel fee
On-time49%
COVID-19 safety
Cathay Pacific
Cheapest$583
Average$851
FlexibilityNo cancel fee
On-time72%
COVID-19 safety
EVA Air
Cheapest$601
Average$842
FlexibilityNo cancel fee
On-time74%
COVID-19 safety
Delta
Cheapest$618
Average$1,180
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
China Eastern
Cheapest$670
Average$875
FlexibilityNo cancel fee
On-time62%
COVID-19 safety
Air Canada
Cheapest$741
Average$971
FlexibilityNo cancel fee
On-time67%
COVID-19 safety
United Airlines
Cheapest$749
Average$920
FlexibilityNo cancel fee
On-time69%
COVID-19 safety
Asiana Airlines
Cheapest$774
Average$1,016
FlexibilityNo cancel fee
On-time76%
COVID-19 safety
Korean Air
Cheapest$790
Average$1,129
FlexibilityNo cancel fee
On-time81%
COVID-19 safety
Japan Airlines
Cheapest$831
Average$998
FlexibilityNo cancel fee
On-time79%
COVID-19 safety

Hourly flight availability from Seattle to South Korea

See what time of day planes typically take off from Seattle to South Korea
1%of flight departuresEarly morningMidnight to 6 am
89%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
10%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM