Cheap flights from Seoul to Seattle

Seoul
SEL
Seattle-Tacoma
SEA

Flight deals from Seoul to Seattle

Below you can see the best deals on flights Seoul — Seattle for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 27 September, from $405.

Top 10 cheap flights from Seoul to Seattle

UA
DL
$ 459

Seoul — Seattle

16:50—16:30
11 Sep 2026
15 h 40 m
1 stop
UA
DL
$ 459

Seoul — Seattle

11:30—13:55
11 Sep 2026
18 h 25 m
1 stop
UA
DL
$ 459

Seoul — Seattle

11:30—16:30
11 Sep 2026
21 h
1 stop
UA
DL
$ 459

Seoul — Seattle

16:50—19:55
5 Sep 2026
19 h 5 m
1 stop
UA
DL
$ 459

Seoul — Seattle

16:50—20:10
5 Sep 2026
19 h 20 m
1 stop
UA
DL
$ 459

Seoul — Seattle

16:50—08:31
5 Sep 2026
31 h 41 m
1 stop
UA
DL
$ 459

Seoul — Seattle

16:50—09:45
5 Sep 2026
32 h 55 m
1 stop
UA
DL
$ 459

Seoul — Seattle

16:50—14:00
5 Sep 2026
37 h 10 m
1 stop
UA
DL
$ 459

Seoul — Seattle

16:50—17:00
5 Sep 2026
40 h 10 m
1 stop
UA
DL
$ 459

Seoul — Seattle

16:50—19:55
4 Sep 2026
43 h 5 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Seoul — Seattle flight

Looking for cheap flights from Seoul to Seattle? Compare fares from different airlines, check the flight schedule and travel time — and book your Seoul — Seattle ticket online at the best price.

The route has direct flights — around 90 flights per week, flights are operated by Alaska Airlines, Korean Air, Delta, Asiana Airlines and 4 more airlines, a nonstop flight takes about 10 h 20 min, the distance between the cities is around 8,344 km.

Planning your trip? You may find our Seattle travel guide, how to get from the airport into town and Seattle weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $397Min. price
OctoberCheapest
MayPeak season
YesDirect flights
8,344 kmDistance
10 h 20 minTravel time
8Airlines
90 / wkFlights

Flight schedule from Seoul to Seattle

The table shows direct flights from Seoul to Seattle on the selected date. The flight takes approximately 10 h 20 min. Regular flights are operated by Alaska Airlines, Korean Air, Delta and Asiana Airlines. Departures from Incheon International Airport and Gimpo International Airport airports, arrivals at Seattle-Tacoma International Airport and Paine Field.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 15 Aug 2026

Flight ticket prices by day: Seoul — Seattle

Below is a calendar of the lowest flight ticket prices for Seoul — Seattle by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $397 in October, and the most expensive are around $544 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Seoul to Seattle by month. Tickets are usually cheapest in November (around $576) and priciest in July (about $936) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$864highMay$816highSep$696medium
Feb$660mediumJun$912highOct$600low
Mar$624mediumJul$936highNov$576low
Apr$672mediumAug$720mediumDec$600low

Some values are estimated based on seasonality.

When to fly

Weather in Seattle: it is warmest in August (up to 25 °C on average) and coolest in December (around 8 °C). The driest month is July.

Tickets are usually cheapest in October and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Seattle

Dry and wet days · Seattle

Wind speed and direction · Seattle

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How to get the best deal on a Seoul — Seattle ticket

  • Book ahead: fares for Seoul — Seattle are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Seoul is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Seattle is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Seoul — Seattle route are operated by 8 airlines; Alaska Airlines runs the most flights (around 34% of all flights). Compare carriers, flight shares and schedules below.

  • Alaska AirlinesAS
    10x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight ICN → SEA10x/week
    34.4%Open →
  • Korean AirKE
    5x/week
    WebsiteFleet: 16025M pax/year
    • Direct flight ICN → SEA5x/week
      Duration
      10h 20m
      Days
      MTWTFSS
    16.7%Open →
  • DeltaDL
    5x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight ICN → SEA5x/week
      Duration
      10h 37m
      Days
      MTWTFSS
    16.7%Open →
  • Asiana AirlinesOZ
    5x/week
    WebsiteFleet: 6916M pax/year
    • Direct flight ICN → SEA5x/week
    15.6%Open →
  • Hawaiian AirlinesHA
    4x/week
    WebsiteFleet: 7511M pax/year
    • Direct flight ICN → SEA4x/week
    13.3%
  • Singapore AirlinesSQ
    1x/week
    WebsiteFleet: 16325M pax/year
    • Direct flight ICN → SEA1x/week
    1.1%Open →
  • Thai AirwaysTG
    1x/week
    WebsiteFleet: 7715M pax/year
    • Direct flight ICN → SEA1x/week
    1.1%Open →
  • United AirlinesUA
    1x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight ICN → SEA1x/week
    1.1%Open →

Cities and airports on the Seoul — Seattle route

Flights Seoul — Seattle depart from Incheon International Airport and Gimpo International Airport and arrive at Seattle-Tacoma International Airport and Paine Field. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Seoul

SEL
Korea, Republic Of
About the cityHow to get thereWeatherAll about the country Korea, Republic Of
Arrival

Seattle

SEA
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Seoul — Seattle flight

How long is the flight from Seoul to Seattle?

A nonstop Seoul — Seattle flight takes about 10 h 20 min — the distance between the cities is around 8,344 km.

How far is it from Seoul to Seattle?

The distance from Seoul to Seattle is about 8,344 km, which a nonstop flight covers in around 10 h 20 min.

Are there direct flights from Seoul to Seattle?

Yes, there are nonstop flights Seoul — Seattle — around 90 flights per week.

Which airlines fly from Seoul to Seattle?

Airlines operating Seoul — Seattle include Alaska Airlines, Korean Air, Delta, Asiana Airlines, Hawaiian Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Seoul — Seattle flights use?

Flights from Seoul depart from Incheon International Airport, Gimpo International Airport, and arrive at Seattle-Tacoma International Airport, Paine Field. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Seoul to Seattle?

The price of a Seoul — Seattle ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in May. Tickets typically cost between $397 and $544. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Seoul — Seattle?

Flights Seoul — Seattle are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Seoul to Seattle?

To catch a low fare Seoul — Seattle, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Seoul

See all
Jeju CityTokyoOsakaShanghaiBusanHong KongFukuokaBangkokQingdaoTaipeiBeijingDa NangHo Chi Minh CitySingaporeHanoiNagoyaNha TrangUlaanbaatarManilaLos AngelesSapporoCebu CityKuala LumpurPhu QuocDenpasarOkinawaHagatnaGuangzhouDalianYanjiJakartaNew York CityShenzhenMacauYantaiTashkentSan FranciscoShenyangKaohsiungParis

Where else you can fly from Seattle

See all
Los AngelesAnchorageVancouverSan FranciscoPhoenixSan DiegoSan JoseSpokanePortlandSanta AnaNew York CityBoiseDenverChicagoDallasSalt Lake CitySacramentoLas VegasRedmondBostonAtlantaHonoluluWashington, D.C.MinneapolisPascoBurbankAustinFairbanksJuneauEugeneNashvilleHoustonCalgaryBozemanDetroitPalm SpringsMissoulaMedfordRenoOrlando

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