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Cheap flights from Seattle (SEA) to Incheon (ICN)

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The best prices from Seattle to Incheon are usually found in November or March, booked 60 days in advance, depart on a Thursday or Tuesday and return on a Monday

How to find the cheapest flight from
Seattle (SEA) to Incheon (ICN)

SEA - ICN
Price
$839 - $1,377
ICN
Temperature
35.6 - 84.2 °F
ICN
Rainfall
0.8 - 16.2 inches

Popular in

December

High demand for flights, 30% potential price rise

Cheapest in

November

Best time to find cheap flights, 13% potential price drop

Round-trip from

$839

From Seattle to Incheon

One-way from

$583

One-way flight from Seattle to Incheon

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 Incheon?

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

To save on the cost of your flight from Seattle to Incheon, 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 Incheon?

Our data shows that April tends to be the cheapest month to fly to Incheon from Seattle. Users have commonly found prices around $1,098 for the month, but tickets can be as low as $549. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Seattle to Incheon (SEA - ICN)?

It’s typically best to fly out from Seattle to Incheon in the evening. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from Seattle to Incheon in January, February 2021

The best prices found for SEA to ICN flights for January, February
17 Feb - 29 Apr
$875pp
SEA
Seattle/Tacoma Intl
Major Airline
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Major Airline
 
1 STOP
SEA
Seattle/Tacoma Intl
27 Jan - 3 Feb
$885pp
SEA
Seattle/Tacoma Intl
Asiana Airlines
Non-Stop
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
17 Feb - 24 Feb
$888pp
SEA
Seattle/Tacoma Intl
Asiana Airlines
Non-Stop
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Seattle to Incheon 2021 flight deals

Cheap flights to Incheon from Seattle found for this year
7 Apr - 17 May
$789pp
SEA
Seattle/Tacoma Intl
EVA Air
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
EVA Air
 
1 STOP
SEA
Seattle/Tacoma Intl
6 Sep - 16 Sep
$804pp
SEA
Seattle/Tacoma Intl
EVA Air
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
EVA Air
 
1 STOP
SEA
Seattle/Tacoma Intl
7 Apr - 2 May
$826pp
SEA
Seattle/Tacoma Intl
EVA Air
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
EVA Air
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to Incheon from Seattle

Save time with Seattle to Incheon direct flight deals
27 Jan - 3 Feb
$885pp
SEA
Seattle/Tacoma Intl
Asiana Airlines
Non-Stop
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
17 Feb - 24 Feb
$888pp
SEA
Seattle/Tacoma Intl
Asiana Airlines
Non-Stop
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
17 Feb - 24 Feb
$903pp
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 Incheon

Late deals on round-trip flights to Incheon from Seattle, departing today and this week
27 Jan - 3 Feb
$885pp
SEA
Seattle/Tacoma Intl
Asiana Airlines
Non-Stop
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
27 Jan - 3 Feb
$1,068pp
SEA
Seattle/Tacoma Intl
Korean Air
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Korean Air
Non-Stop
SEA
Seattle/Tacoma Intl
27 Jan - 3 Feb
$1,072pp
SEA
Seattle/Tacoma Intl
Korean Air
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Korean Air
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to Incheon from Seattle

The cheapest one-way flights from Seattle to Incheon
7:20 pm - 1:45 pm
EVA Air
1 Stop
25h 25m
SEA - ICN
EVA Air
$583
CheapFlights
6:55 pm - 11:20 am
Major Airline
1 Stop
24h 25m
SEA - ICN
Major Airline
$588
Flyus
7:40 am - 11:20 am
Korean Air
Nonstop
11h 40m
SEA - ICN
Korean Air
$600
Kiwi.com

Related info for your journey

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

Flight FAQs

From Seattle to Incheon

Are flight prices decreasing from Seattle to Incheon 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 Incheon 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.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to Incheon Intl to control the spread of COVID-19?

New policies can now be found on Delta to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Seattle/Tacoma Intl to Incheon Intl. Policies will vary by airline.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like Asiana Airlines, Korean Air, and Delta flying from Seattle/Tacoma Intl to Incheon Intl have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from Seattle to Incheon for under $800. The cheapest flight booked recently is on EVA Air for just $789, but on average you can expect to pay $880.

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

Cheapflights has at least 20 direct flights from Seattle to Incheon under $900. A good price for a nonstop flight from Seattle to Incheon is less than $1,122.

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

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

Does it rain more in Seattle or Incheon?

Expected rainfall in Seattle is less than in Incheon. You can expect this to be the case over the next 24 days.

Is Seattle weather warmer or cooler than Incheon?

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 Incheon are hotter than in Seattle.

How long is the flight from Seattle to Incheon?

A quick flight from Seattle to Incheon can take about 12h 10m. Asiana Airlines provides one of the quickest options available for as low as $885. 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 Incheon round-trip?

According to our current data, EVA Air ($789), Air Canada ($873), and Major Airline ($875) offers the cheapest pricing from Seattle to Incheon. EVA Air is 18% cheaper than the average price of flights available within the next 90 days to this destination.

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

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $485. Users have also found prices from $499 and $538 on Air Canada and EVA Air, respectively.

Alternative routes for Seattle to Incheon

Destination information for Incheon

Things to know before you go. Useful info for your trip from Seattle to Incheon
Today's exchange rate
$1 = 1,099원
Flight duration
11h 08m
Average temperature for January in Incheon
35.6 °F
Avg rainfall for January in Incheon
0.9 ″

Airports servicing Seattle

Airports servicing Incheon

Top 9 airlines flying from Seattle to Incheon

The chart below displays the airlines Cheapflights users traveling from Seattle to Incheon 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 Incheon

Morning 6 AM to noon 93% of SEA to ICN departures
Evening 6 PM to midnight 6% of SEA to ICN departures
Early morning Midnight to 6 AM 1% of SEA to ICN departures
Afternoon Noon to 6 PM 0% of SEA to ICN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle to Incheon
Sunday
5 daily flights
Monday
3 daily flights
Tuesday
2 daily flights
Wednesday
8 daily flights
Thursday
0 flights
Friday
7 daily flights
Saturday
3 daily flights
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