Seoul

Cheap flights from Seattle (SEA) to Seoul (SEL)

The best prices from Seattle/Tacoma Intl to Seoul All airports are usually found in November or April, booked 32 days in advance, depart on a Tuesday or Monday and return on a Monday

How to find the cheapest flight from Seattle to Seoul

All the information you need to plan the best SEA to SEL flight in 2022: compare Seattle to Seoul flight prices with the expected peak season, weather and rainfall in Seoul.

SEA - SEL

Price

$857 - $1,324

SEL

Temperature

35.6 - 77 °F

SEL

Precipitation

1.1 - 10 inches

Popular in

December

High demand for flights, 27% potential price rise

Cheapest in

November

Best time to find cheap flights, 11% potential price drop

Round-trip from

$857

From Seattle/Tacoma Intl to Seoul (SEL)

One-way from

$557

One-way flight from Seattle/Tacoma Intl to Seoul (SEL)

What is the cheapest day to fly round-trip from Seattle to Seoul?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 18% on the overall cost on flights from Seattle to Seoul.

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

To save up to 12% on this flight, we recommend booking at least 33 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Seoul from $909 1-2 weeks out and tickets from $1,001 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to Seoul?

Flights from Seattle to Seoul lean towards being more expensive in December. Prices are generally better when you fly from Seattle to Seoul in November, with the cheapest ticket starting at $705.

When is the cheapest time to fly from Seattle to Seoul (SEA - SEL)?

It’s optimal to fly from Seattle to Seoul in the afternoon. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Seattle to Seoul in January, February 2022

The best prices found for SEA to SEL flights for January, February
Feb 15 - Jun 30
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

33h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

18h 05m
$751

Air Canada

View Deal

Deal found 21/1/22

Feb 12 - Jun 8
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

33h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

16h 10m
$776

Air Canada

View Deal

Deal found 22/1/22

Jan 22 - Feb 11
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

33h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

32h 23m
$786

Air Canada

View Deal

Deal found 21/1/22

Seattle to Seoul 2022 flight deals

Cheap flights to Seoul from Seattle found for this year
Mar 19 - Mar 24
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

33h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

32h 23m
$751

Air Canada

View Deal

Deal found 21/1/22

Mar 12 - Mar 27
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

2 stops

29h 32m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

34h 10m
$766

Multiple Airlines

View Deal

Deal found 20/1/22

Mar 16 - Mar 31
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

18h 15m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

19h 12m
$775

Air Canada

View Deal

Deal found 20/1/22

Non-stop flights to Seoul from Seattle

Save time with Seattle to Seoul direct flight deals
Mar 13 - Apr 6
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

Nonstop

12h 05m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

Nonstop

10h 35m
$997

Asiana Airlines

View Deal

Deal found 21/1/22

Apr 26 - May 31
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

Nonstop

11h 25m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

Nonstop

10h 35m
$998

Asiana Airlines

View Deal

Deal found 21/1/22

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 22/1/22

Last minute flights from Seattle to Seoul

Late deals on return flights to Seoul from Seattle, departing today and this week
Jan 29 - Feb 25
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

33h 30m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

16h 30m
$885

Multiple Airlines

View Deal

Deal found 22/1/22

Jan 29 - Feb 4
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

32h 40m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

1 stop

18h 58m
$889

Multiple Airlines

View Deal

Deal found 21/1/22

Jan 29 - Feb 4
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

32h 40m
ICN

Incheon Intl

SEA

Seattle/Tacoma Intl

2 stops

16h 14m
$906

Multiple Airlines

View Deal

Deal found 21/1/22

One-way flights to Seoul All airports from Seattle

The cheapest one-way flights from Seattle to Seoul
Feb 12
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

1 stop

33h 30m
$489

Air Canada

View Deal

Deal found 20/1/22

Mar 9
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

2 stops

39h 50m
$500

Multiple Airlines

View Deal

Deal found 22/1/22

Apr 20
SEA

Seattle/Tacoma Intl

ICN

Incheon Intl

3 stops

29h 38m
$501

Multiple Airlines

View Deal

Deal found 22/1/22

Related info for your journey

Useful info, stats and facts about Seattle to Seoul flights.

What airports do I use to fly from Seattle to Seoul?

Seoul All airports is the airport most travelers will use when flying to Seoul from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to All airports (SEL) should be relatively easy as there are 3 daily flights to Seoul from 10 different airlines. 11h 25m is how long a flight from Seattle to Seoul All airports will take if you book a nonstop flight.

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

Asiana Airlines, Korean Air, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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

Yes, there are multiple flights from Seattle to Seoul for under $800. The cheapest flight booked recently is on Air Canada for just $751, but on average you can expect to pay $812.

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

Cheapflights has at least 20 direct flights from Seattle to Seoul under $1,000. A good price for a nonstop flight from Seattle to Seoul is less than $1,055.

Are there last-minute flights available from Seattle to Seoul for under $900?

There are currently 20+ open flights from Seattle to Seoul within the next 7 days for less than $900.

What days are nonstop flights available from Seattle to Seoul?

Nonstop flights can be found on the following days: Wednesday.

How popular is this Seattle to Seoul flight route?

Within the past month, 114 users have taken a look at flights from Seattle/Tacoma Intl to Seoul.

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

On average 2 flights depart from Seattle to Seoul per day.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Seattle to Seoul?

There are many flights that can get you from Seattle to Seoul in 25h 15m. Fly via Air Canada, Aeromexico, or EVA Air to get the fastest option. The distance between Seattle and Seoul is about 5232 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Seattle to Seoul round-trip?

Air Canada, at $751, was found to be the cheapest airline from Seattle to Seoul.Alternate airlines to your destination round-trip include Aeromexico and EVA Air. Air Canada is priced at 21% lower than the current average price of a flight leaving 3 months from now.

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

Before booking your flight from Seattle to Seoul check out the most popular airlines for this route: Major Airline, Air Canada or EVA Air.

What are the most reliable airlines from Seattle to Seoul?

No one likes to see their flight delayed. When booking a flight from Seattle to Seoul consider choosing China Eastern (71%), Etihad Airways (70%) or Delta (64%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Seattle to Seoul?

Looking for the cheapest flight from Seattle to Seoul? While on average our users pay $1,551, our data indicates the cheapest price to be $419. The most popular route (Seattle/Tacoma Intl - Incheon Intl), is priced around $770.

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

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

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

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 Seoul.

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

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 Seoul?

Returning to Seattle/Tacoma Intl from Seoul

COVID-19 testing requirements
Visitors from Seoul 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 Seoul are not required to quarantine after entering Seattle/Tacoma Intl.

Alternative routes for Seattle to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Incheonfrom $778 pp
Seattle to Busanfrom $868 pp
Pasco to Incheonfrom $999 pp
Spokane to Incheonfrom $1,503 pp

Top 9 airlines flying from Seattle to Seoul

The chart below displays the airlines Cheapflights users traveling from Seattle to Seoul 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
China Eastern
Cheapest$670
Average$875
FlexibilityNo cancel fee
On-time62%
COVID-19 safety
Delta
Cheapest$725
Average$1,074
FlexibilityNo cancel fee
On-timeN/A
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$1,022
FlexibilityNo cancel fee
On-time76%
COVID-19 safety
Korean Air
Cheapest$790
Average$1,047
FlexibilityNo cancel fee
On-time81%
COVID-19 safety

Hourly flight availability from Seattle to Seoul

See what time of day planes typically take off from Seattle to Seoul
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

Weekly flight availability from Seattle to Seoul

See how many times per day planes take to the skies headed from Seattle to Seoul
Sunday6daily flights
Monday1daily flight
Tuesday2daily flights
Wednesday7daily flights
Thursday0daily flights
Friday6daily flights
Saturday3daily flights