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

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The best prices from Seattle to Seoul 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 (SEA) to Seoul (SEL)

All the information you need to plan the best SEA to SEL flight in 2021: 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 - 84.2 °F
SEL
Rainfall
0.8 - 16.2 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 to Seoul

One-way from

$652

One-way flight from Seattle to Seoul

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Seoul?

Friday flights are found to be more expensive to fly from Seattle to Seoul. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seoul.

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

To save on the cost of your flight from Seattle to Seoul, book at least 61 days before your planned departure. Booking around this time can save you about 39% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,193 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,211.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to Seoul. Flights to Seoul from Seattle in April are about $1,098 on average during April, but can be found for as low as $549.

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

It’s typically best to fly out from Seattle to Seoul in the afternoon. Doing so could potentially save you 35% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from Seattle to Seoul in May, June 2021

The best prices found for SEA to SEL flights for May, June
22 Jun - 28 Jul
$910pp
SEA
Seattle/Tacoma Intl
Lufthansa
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Lufthansa
 
1 STOP
SEA
Seattle/Tacoma Intl
15 May - 22 May
$914pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
15 Jun - 25 Sep
$927pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle to Seoul 2021 flight deals

Cheap flights to Seoul from Seattle found for this year
6 Oct - 20 Oct
$734pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
6 Oct - 20 Oct
$739pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
10 Oct - 27 Oct
$751pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Non-stop flights to Seoul from Seattle

Save time with Seattle to Seoul direct flight deals
1 Nov - 7 Nov
$892pp
SEA
Seattle/Tacoma Intl
Korean Air
Non-Stop
ICN
Incheon Intl
ICN
Incheon Intl
Korean Air
Non-Stop
SEA
Seattle/Tacoma Intl
17 Aug - 27 Aug
$928pp
SEA
Seattle/Tacoma Intl
Asiana Airlines
Non-Stop
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
17 Aug - 27 Aug
$934pp
SEA
Seattle/Tacoma Intl
Asiana Airlines
Non-Stop
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Seoul

Late deals on round-trip flights to Seoul from Seattle, departing today and this week
20 May - 17 Jun
$945pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
21 May - 17 Jun
$983pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
22 May - 5 Jun
$1,013pp
SEA
Seattle/Tacoma Intl
Lufthansa
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Seoul from Seattle

The cheapest one-way flights from Seattle to Seoul
10:10 pm - 2:45 pm
EVA Air
1 Stop
24h 35m
SEA - ICN
EVA Air
$652
SnapTravelAir
9:30 am - 6:00 pm
Japan Airlines
1 Stop
16h 30m
SEA - GMP
Japan Airlines
$671
KAYAK
2:40 pm - 7:05 am
ANA
2 Stops
24h 25m
SEA - GMP
ANA
$678
SnapTravelAir

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Seoul</span> flights.

Flight FAQs

From Seattle to Seoul

Are flight prices decreasing from Seattle to Seoul due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and Seoul for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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.

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 is 1 daily flight 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.

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 United Airlines for just $734, but on average you can expect to pay $845.

Are there nonstop flights from Seattle to Seoul for under $900 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to Seoul under $900. A good price for a nonstop flight from Seattle to Seoul is less than $976.

Are there last-minute flights available from Seattle to Seoul for under $1,000?

There are currently 20+ open flights from Seattle to Seoul within the next 7 days for less than $1,000.

How popular is this flight route?

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

Is Seattle weather warmer or cooler than Seoul?

With an average temperature of 84 °F, peak weather can be found in August. As a traveler, expect to see changes in flight prices during that period. The temperatures in Seoul are hotter than in Seattle.

How long is the flight from Seattle to Seoul?

Departing from Seattle to Seoul will take you 11h 25m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Currently priced at $734, United Airlines will fly you from Seattle to Seoul and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Korean Air - these airlines can fly you to your destination from $786 and $892, respectively. Users have found that United Airlines is 23% cheaper than the other options available to this destination.

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

For one-way options, check prices for EVA Air. According to our data, you can fly for as low as $618. Users have also found prices from $653 and $668 on EVA Air and ANA, respectively.

Related searches

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Alternative routes for Seattle to Seoul

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

Destination information for Seoul

Things to know before you go - useful duration and weather info for your trip from Seattle to Seoul.
Today's exchange rate
$1 = 1,119원
Flight duration
10h 55m
Average temperature for May in Seoul
71.6 °F
Avg rainfall for May in Seoul
4.4 ″

Airports servicing Seattle

Airports servicing Seoul

Seoul Gimpo Intl (GMP)

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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
XiamenAir
$407 $580 No cancel fee 49%

We couldn't confirm the COVID-19 safety measures taken by XiamenAir. Please check directly on their website for additional information.

EVA Air
$601 $842 No cancel fee 74%
Cathay Pacific
$583 $851 No cancel fee 72%
China Eastern
$670 $875 No cancel fee 62%

We couldn't confirm the COVID-19 safety measures taken by China Eastern. Please check directly on their website for additional information.

United Airlines
$749 $920 No cancel fee 69%
Air Canada
$741 $971 No cancel fee 67%
Asiana Airlines
$774 $1,022 No cancel fee 76%

We couldn't confirm the COVID-19 safety measures taken by Asiana Airlines. Please check directly on their website for additional information.

Korean Air
$790 $1,047 No cancel fee 81%
Delta
$725 $1,074 No cancel fee N/A

Hourly flight availability from Seattle to Seoul

See what time of day planes typically take off from Seattle towards Seoul.
Afternoon Noon to 6 PM 73% of SEA to SEL departures
Morning 6 AM to noon 16% of SEA to SEL departures
Evening 6 PM to midnight 10% of SEA to SEL departures
Early morning Midnight to 6 AM 1% of SEA to SEL departures
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.
Sunday
2 daily flights
Monday
3 daily flights
Tuesday
2 daily flights
Wednesday
1 daily flight
Thursday
0 flights
Friday
2 daily flights
Saturday
1 daily flight
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