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Find cheap flights from Incheon to Seattle

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Incheon to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Incheon to Seattle, as well as popular online travel agencies
In the last 7 days, travellers have searched 44,471,296 times on KAYAK, and here's why:

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Flights from Incheon Intl to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Incheon Intl to Seattle to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Incheon Intl Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Incheon Intl Airport to Seattle is October, where tickets cost £816 on average. On the other hand, the most expensive months are August and July, where the average cost of tickets is £1,243 and £1,229 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Incheon Intl Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Incheon Intl Airport to Seattle, you should book around 2 days before departure. For the absolute cheapest price, our data suggests you should book 34 days before departure.

Which airlines fly most frequently between Seoul Incheon Airport and Seattle?

Korean Air connects Seoul Incheon Airport to Seattle with up to 2 flights per day. Asiana Airlines also offers 1 flight per day, while Delta follows with 1 flight per day.

How many flights are there between Incheon Intl Airport and Seattle per day?

Each day, there are 4 direct flights that take off from Incheon Intl Airport and land in Seattle, with an average flight time of 10h 22m. The most common departure time is 16:00 and most flights take off in the afternoon. Each week, there are 28 flights and there are the same amount of flights each day 4.

Which cabin class options are there for flights between Incheon Intl Airport and Seattle?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

What’s the earliest departure time from Seoul Incheon Airport to Seattle?

Early birds can take the earliest flight from Incheon Intl Airport at 16:35 and will be landing in Seattle at 10:50.

What’s the latest departure time from Seoul Incheon Airport to Seattle?

If you prefer to fly at night, the latest flight from Incheon Intl Airport to Seattle jets off at 19:20 and lands at 13:55.

Good to know - Cheap tickets from Seoul Incheon Airport to Seattle

Low season

February

High season

September
Best time to beat the crowds (16% less expensive on average)
Most popular time to fly (1% more expensive on average)

When to book flights from Incheon Intl to Seattle

Are your dates flexible? Find out the best times to travel from Incheon Intl to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Incheon to Seattle flights

  • Which ground transportation means can I use after my flight from Incheon to Seattle?

    After your flight from Incheon to Seattle, you can use various ground transportation means. Some options include public buses, like the King County Metro Transit system, which operates several bus routes in Seattle. Examples of popular bus routes include the RapidRide lines (A, B, C, D) and Route 40.

  • What are the common layovers for Korean Air on flights from Incheon to Seattle?

    Common layovers for Korean Air flights from Incheon (Seoul), South Korea to Seattle, Washington, may include cities such as Tokyo, Japan, San Francisco, California, Los Angeles, California, or Vancouver, Canada. These cities often serve as popular transit hubs for connecting flights between Incheon and Seattle. Please note that specific layovers can vary depending on the airline's schedule and routing options available at the time of booking.

  • Which lounges does Korean Air operate for flights from Incheon to Seattle?

    Korean Air operates its KAL Lounge at Incheon International Airport for passengers traveling from Incheon to Seattle. The KAL Lounge provides a comfortable and exclusive environment for passengers to relax, enjoy refreshments, and access various amenities before their flight. With its stylish design and attentive service, the KAL Lounge enhances the overall travel experience for Korean Air passengers flying between Incheon and Seattle.

  • Which kid-friendly options does Singapore Airlines have on flights from Incheon to Seattle?

    Singapore Airlines offers a range of kid-friendly options on flights from Incheon to Seattle. Young travelers can enjoy a selection of TV shows, age-appropriate movies, and games through the airline's in-flight entertainment system. Additionally, children receive special meals tailored to their tastes and dietary requirements. The cabin crew also provides activity packs filled with coloring books, puzzles, and other engaging materials to keep kids entertained throughout the journey.

  • Which airlines offer Wi-Fi service onboard planes from Seoul Incheon Airport to Seattle?

    Asiana Airlines, Delta, and Air Canada offer inflight Wi-Fi service on the Seoul Incheon Airport to Seattle flight route.

  • Which aircraft models fly most regularly from Seoul Incheon Airport to Seattle?

    The Boeing 777-300ER is the aircraft model that flies most regularly on the Seoul Incheon Airport to Seattle flight route.

  • Which airline alliances offer flights from Seoul Incheon Airport to Seattle?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Seoul Incheon Airport and Seattle, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Seoul Incheon Airport to Seattle?

    There are direct flights from Seoul Incheon Airport to Seattle on a daily basis.

  • How does KAYAK find such low prices on flights from Seoul Incheon Airport to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seoul Incheon Airport to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seoul Incheon Airport to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Seoul Incheon Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seoul Incheon Airport to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Seattle with an airline and back to Seoul Incheon Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seoul Incheon Airport to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Seoul Incheon Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Incheon to Seattle

  • Delta Air Lines offers a range of in-flight entertainment amenities on their flights from Incheon (ICN) to Seattle (SEA). Passengers can enjoy TV shows, music, a variety of movies, and games through the personal seat back screens. Additionally, there is Wi-Fi connectivity available for browsing the internet and staying connected during the flight.
  • You can rent a car after your flight from Incheon to Seattle. Several rental companies operate at Seattle-Tacoma International Airport (SEA), including Avis, Budget, Enterprise, Hertz, and National. You can choose from a variety of vehicles and make a reservation online or at the airport upon arrival.
  • Hawaiian Airlines supports sustainable travel on flights from Incheon to Seattle through various initiatives. They prioritize fuel-efficient aircraft, implement recycling programs, and promote responsible waste management. Additionally, they offer carbon offset options to mitigate the environmental impact of air travel, contributing to a more sustainable aviation industry.
  • Hawaiian Airlines allows passengers to pre-select their seats when flying from Incheon to Seattle. During the booking process or after purchasing a ticket, you can pick your preferred seat through the airline's website, mobile app, or by contacting their customer service. Seat availability may vary, so it is advisable to make your selection early.
  • Singapore Airlines restricts pets on flights from Incheon to Seattle. Only service dogs are allowed in the cabin, subject to prior approval. The maximum weight for service dogs, including their container, is 165 lbs. Other pets, such as cats and dogs, are not permitted in the cabin or cargo hold on this particular route.
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Prefer to fly direct from Seoul Incheon Airport to Seattle?

Find which airlines fly direct from Incheon Intl to Seattle/Tacoma Intl, which days they fly and book direct flights.

Direct departures

Incheon Intl to Seattle/Tacoma Intl

Monday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Tuesday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Wednesday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Thursday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Friday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Saturday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Sunday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

See more direct flights

Direct returns

Seattle/Tacoma Intl to Incheon Intl

Monday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Tuesday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Wednesday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Thursday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Friday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Saturday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

Sunday

Asiana Airlines, Delta, Etihad Airways, +4 more

Asiana Airlines, Delta, +5 more

See more direct flights
See more direct flights

Book cheap flights from Incheon to Seattle

One-way flight deals

directThai Airways
10h 30mICN-SEA
directEtihad Airways
10h 15mICN-SEA
directDelta
10h 15mICN-SEA
directKorean Air
10h 15mICN-SEA
directAsiana Airlines
10h 30mICN-SEA
directUnited Airlines
10h 30mICN-SEA
directSingapore Airlines
10h 30mICN-SEA

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Seoul Incheon Airport - Seattle Flights

Departure:

Incheon (ICN)South Korea

Destination:

Seattle (SEA)United States

Cabin classes:

£1,104

Browse origins:

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