Cheap flights from Seattle to Incheon

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Seattle (SEA)
Incheon (ICN)
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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$ 1,016 - C$ 1,667
ICN
Temperature
2 - 29 °C
ICN
Rainfall
20 - 411 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$ 1,212

Average for round-trip flights in May 2021

Round-trip from

C$ 1,016

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?

Thursday flights are generally found to be more expensive for flights from Seattle to Incheon. 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 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 49 days before your planned departure. Booking around this time can save you about 23% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 1,333 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 1,392.

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

Flights from Seattle to Incheon lean towards being more expensive in December. Prices are generally better when you fly from Seattle to Incheon in November, with the cheapest ticket starting at C$ 788.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Seattle to Incheon by exploring options for tickets at noon.

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

Does it rain more in Seattle or Incheon?

When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Seattle is typically less than Incheon. We can gather that this will continue over the next 17 days.

Is Seattle weather warmer or cooler than Incheon?

Expect the weather to be around 29 °C on average in August. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Incheon is generally hotter than in Seattle.

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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 = 930원
Average temperature for May in Incheon
22.0 °C
Avg rainfall for May in Incheon
113.0 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.
Afternoon Noon to 6 PM 73% of flight departures
Morning 6 AM to noon 16% of flight departures
Evening 6 PM to midnight 10% 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
6 daily flights
Monday
3 daily flights
Tuesday
2 daily flights
Wednesday
9 daily flights
Thursday
0 flights
Friday
8 daily flights
Saturday
3 daily flights
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