Cheap flights from Seattle to Incheon

Round-trip
Economy
Seattle (SEA)
Incheon (ICN)
Depart
Return
Any month
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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 2021: compare Seattle to Incheon flight prices with the expected peak season, weather and rainfall in Incheon.
SEA - ICN
Price
C$ 839 - C$ 1,377
ICN
Temperature
-2 - 25 °C
ICN
Precipitation
20 - 260 mm

Popular in

December

High demand for flights, 30% potential price rise

Cheapest in

November

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

Average price

C$ 1,064

Average for round-trip flights in October 2021

Round-trip from

C$ 1,039

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

Leaving on a Tuesday 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 66% on the overall cost on flights from Seattle to Incheon.

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 33 days before your planned departure. Booking around this time can save you about 12% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 1,126 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 1,240.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, November can be a great choice for travel to Incheon. Flights to Incheon from Seattle in November are about C$ 1,190 on average during November, but can be found for as low as C$ 873.

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

One of the essential ways to save on airfare from Seattle to Incheon is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 26% on airfare.

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 are the most reliable airlines from Seattle to Incheon?

The top 3 most reliable airlines when flying from Seattle to Incheon are Etihad Airways (85%), Delta (73%) and China Eastern (72%).

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 will not be allowed to enter Incheon Intl.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Incheon Intl.

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

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) test taken 72 hours 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

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
C$ 1 = 957원
Average temperature for October in Incheon
20.0 °C
Avg rainfall for October in Incheon
59.0 mm

Airports servicing Seattle

Airports servicing Incheon

Hourly flight availability from Seattle to Incheon

See what time of day planes typically take off from Seattle towards Incheon.
Morning 6 AM to noon 49% of flight departures
Afternoon Noon to 6 PM 38% of flight departures
Evening 6 PM to midnight 12% of flight departures
Early morning Midnight to 6 AM 1% of flight 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
2 daily flights
Wednesday
3 daily flights
Thursday
0 flights
Friday
2 daily flights
Saturday
3 daily flights
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