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

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

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

All the information you need to plan the best SEA to ICN flight in 2022: compare Seattle to Incheon flight prices with the expected peak season, weather and rainfall in Incheon.
SEA - ICN
Price
$839 - $1,377
ICN
Temperature
28.4 - 77 °F
ICN
Rainfall
0.8 - 10.2 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/Tacoma Intl to Incheon Intl

One-way from

$607

One-way flight from Seattle/Tacoma Intl to Incheon Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Seattle to Incheon (SEA - ICN)?

When flying from Seattle to Incheon, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 34% versus a flight at noon.

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

Users have found that booking a flight from Seattle to Incheon at least 33 days early can save you up to 12% on average compared to booking a flight this week. If booking 33 days before your flight isn’t an option for you, users have found flights from Seattle to Incheon for as little as $909 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,001 for flights departing within the next 3 days.

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

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Incheon. Check prices with Cheapflights to find a great deal for your trip.

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

The best pricing can be found in the month of November. Prices to Incheon from Seattle average $961. You can even find prices in November for less than $961, as users have found deals to Incheon from as low as $705. The month of December appears to be one of the more expensive times to travel to Incheon from Seattle. Flying in the targeted month can save you up to 37%.

Cheap flights from Seattle to Incheon in May, June 2022

The best prices found for SEA to ICN flights for May, June
8 Jun - 11 Jun
$1,041pp
SEA
Seattle/Tacoma Intl
Turkish Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Turkish Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
8 Jun - 16 Jun
$1,057pp
SEA
Seattle/Tacoma Intl
Turkish Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Turkish Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
8 Jun - 13 Jun
$1,070pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Incheon 2022 flight deals

Cheap flights to Incheon from Seattle found for this year
2 Nov - 16 Nov
$912pp
SEA
Seattle/Tacoma Intl
Air Canada
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Air Canada
 
1 STOP
SEA
Seattle/Tacoma Intl
1 Nov - 22 Nov
$913pp
SEA
Seattle/Tacoma Intl
Air Canada
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Air Canada
 
1 STOP
SEA
Seattle/Tacoma Intl
17 Oct - 23 Oct
$914pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Air Canada
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to Incheon from Seattle

Save time with Seattle to Incheon direct flight deals
27 Sep - 15 Nov
$1,063pp
SEA
Seattle/Tacoma Intl
Asiana Airlines
Non-Stop
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
21 Sep - 19 Oct
$1,065pp
SEA
Seattle/Tacoma Intl
Asiana Airlines
Non-Stop
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
31 Aug - 19 Sep
$1,077pp
SEA
Seattle/Tacoma Intl
Korean Air
Non-Stop
ICN
Incheon Intl
ICN
Incheon Intl
Korean Air
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
22 May - 4 Oct
$1,500pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
25 May - 10 Jun
$1,539pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
23 May - 12 Jul
$1,549pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
Asiana Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to Incheon Intl from Seattle

The cheapest one-way flights from Seattle to Incheon
9:30 pm - 2:45 pm
EVA Air
1 Stop
25h 15m
SEA - ICN
EVA Air
$607
SmartFares
6:45 am - 12:15 pm
Air Canada
1 Stop
13h 30m
SEA - ICN
Air Canada
$617
Air Canada
2:30 pm - 11:45 am
Multiple Airlines
2 Stops
53h 15m
SEA - ICN
Multiple Airlines
$632
Kiwi.com

Related info for your journey

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

Flight FAQs

From Seattle to Incheon

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

Incheon Intl is the airport most travelers will use when flying to Incheon from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to Incheon Intl (ICN) should be relatively easy as there are 2 daily flights to Incheon from 14 different airlines. 11h 25m is how long a flight from Seattle to Incheon Intl will take if you book a nonstop flight.

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 Korean Air, Asiana Airlines, and Air Canada flying from Seattle/Tacoma Intl to Incheon Intl have implemented new flexible cancellation policies.

Can I find flights from Seattle to Incheon for under $1,000 on Cheapflights?

Yes, there are multiple flights from Seattle to Incheon for under $1,000. The cheapest flight booked recently is on Air Canada for just $912, but on average you can expect to pay $941.

Are there nonstop flights from Seattle to Incheon for under $1,100 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to Incheon under $1,100. A good price for a nonstop flight from Seattle to Incheon is less than $1,093.

Are there last-minute flights available from Seattle to Incheon for under $1,500?

There are currently 20+ open flights from Seattle to Incheon within the next 7 days for less than $1,500.

How popular is this Seattle to Incheon flight route?

The Seattle/Tacoma Intl to Incheon Intl flight path was viewed by 21 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 flying from Seattle to Incheon round-trip?

Currently priced at $912, Air Canada will fly you from Seattle to Incheon and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Turkish Airlines for as low as $941. These flights start at 5% lower than the current average price 3 months from now.

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

For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $552. Users have also found prices from $572 and $607 on Air Canada and EVA Air, respectively.

What are the cheapest flights from Seattle to Incheon?

On average you can expect to pay $4,869 for a flight from Seattle to Incheon. The cheapest flight overall is $565 while the most popular route, (Seattle/Tacoma Intl - Incheon Intl) is currently priced at $938.

What are the most reliable airlines from Seattle to Incheon?

Before booking your flight to Incheon from Seattle, check out the most reliable airlines to get you to your destination on time: China Eastern (62%), Etihad Airways (42%), Delta( 38%).

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

Consider American Airlines, Air Canada or Finnair when booking your flight. These represent the most popular airlines when flying from Seattle to Incheon.

COVID Restrictions

View COVID Travel Restrictions for Incheon, South Korea

Do I need a COVID test to fly to Incheon from Seattle?

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

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

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 48 hours before departing to Incheon Intl.

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

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


Do I need a test to fly back to Seattle from Incheon?

Returning to Seattle/Tacoma Intl from Incheon Intl

COVID-19 testing requirements
Visitors from Incheon Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

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

Hide COVID Travel Restrictions for Incheon, South Korea

Alternative routes for Seattle to Incheon

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

Destination information for Incheon

Things to know before you go - useful duration and weather info for your trip from Seattle to Incheon.
Today's exchange rate
$1 = 1,282원
Average temperature for May in Incheon
71.6 °F
Avg rainfall for May in Incheon
4.4 ″

Airports servicing Seattle

Airports servicing Incheon

Top 10 airlines flying from Seattle/Tacoma Intl to Incheon Intl

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
Juneyao Airlines
$12 $14 No cancel fee 66%

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

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.

Cathay Pacific
$583 $851 No cancel fee 72%
Air Canada
$638 $863 No cancel fee 67%
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.

Finnair
$936 $973 No cancel fee 76%
Lufthansa
$945 $966 No cancel fee 76%
Asiana Airlines
$964 $1,210 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.

Turkish Airlines
$964 $1,120 No cancel fee 77%
Korean Air
$993 $1,252 No cancel fee 81%

Hourly flight availability from Seattle to Incheon

See what time of day planes typically take off from Seattle towards Incheon.
Afternoon Noon to 6 PM 70% of SEA to ICN departures
Morning 6 AM to noon 18% of SEA to ICN departures
Evening 6 PM to midnight 11% of SEA to ICN departures
Early morning Midnight to 6 AM 1% of SEA to ICN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle to Incheon
See how many times per day planes take to the skies headed from Seattle to Incheon.
Sunday
2 daily flights
Monday
3 daily flights
Tuesday
4 daily flights
Wednesday
1 daily flight
Thursday
2 daily flights
Friday
2 daily flights
Saturday
1 daily flight
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