Cheap Flights from Seoul to Seattle

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Flight deals from Seoul to Seattle

Looking for a cheap last-minute deal or the best return flight from Seoul to Seattle? If you want to travel next month, return fares start from $1,419. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seoul to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seoul to Seattle flights are currently cheapest in April.

Direct flights from Seoul to Seattle

Seoul to Seattle: Flight information

The things to know before you go.
Cheapest flight found$1,345
Cheapest month to flyFebruary
Average flight time10 hrs, 10 mins
Most popular airlineDelta
Average flights per week612

Finding cheap flights from Seoul to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Seoul to Seattle is $1,345. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
10 hours and 10 minutes is the average flight time from Seoul to Seattle.
Delta, Korean Air and Asiana Airlines fly direct from Seoul to Seattle.
As of June 2026, there are 68 flights per week flying from Seoul to Seattle.
The cheapest month to fly from Seoul to Seattle is usually February.
If you're flying from Seoul, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from $1,345.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Seattle on Friday, 19 February 2027.
Yes – the average flight time is 10 hours and 10 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

In June, the average temperature is usually around 14°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
The cheapest airline that flies to Seattle is Philippine Airlines. And the cheapest airline that flies to Seattle Boeing Fld Airport is Asiana Airlines.

Flying from Seoul to Seattle: what you need to know

  • Get your holiday planning started by considering where you'll take off for your flight from Seoul to Seattle. Incheon International Airport (ICN) and Gimpo International Airport (GMP) are Seoul's main airports.

  • Touch down in Seattle at Seattle / Tacoma International Airport (SEA) or Seattle Lake Union SPB Airport (LKE).

  • Around 10 hours 10 minutes is how long you can expect to be in the air on a direct Seoul to Seattle flight.

  • Seattle is 17 hours behind Seoul and observes the UTC-8 timezone.

  • There are 24 services a week between Incheon International Airport (ICN) and Seattle / Tacoma International Airport (SEA). This is the most popular route when booking flights from Seoul to Seattle.

  • Give yourself enough time to get on your Seoul to Seattle flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like August, you'll want to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you travel during peak periods in general.

How to find the cheapest flights from Seoul to Seattle

  • To pick up cheap Seoul to Seattle flights, book as early as possible. Airlines typically offer their most competitively priced fares when tickets first go on sale.

  • If you're flexible with your trip dates, try using the 'Whole month' tool. It'll show you the lowest price across every month when looking for your plane ticket from Seoul to Seattle.

  • Locking in a cheap flight from Seoul to Seattle is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a better deal is available.

  • Tailor your travel plans using filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' Seoul to Seattle flights.

Flying from Seoul

Incheon International Airport (ICN)

  • Take off from Incheon International Airport (ICN) on a nonstop flight from Seoul to Seattle. From ICN, you can fly directly into Seattle / Tacoma International Airport (SEA).

  • Direct Seoul to Seattle plane tickets are offered by numerous airlines at ICN. Choose one of these and take to the skies:

  • A stopover is the ideal opportunity to take a travel break — and possibly even explore another city. When searching for Seoul to Seattle flights leaving from Incheon International Airport, deselect the 'Direct flights only' box to see where you can stop along the way. Consider one of these popular options:

    • Vancouver International Airport (YVR)

    • Tokyo Narita Airport (NRT)

    • Calgary Airport (YYC)

  • ICN is about 48 kilometres from central Seoul. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 1 hour 5 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 50 minutes.

  • Searching for a handy hotel near Incheon International Airport? If you've booked an early flight from Seoul to Seattle, these stays will put you moments from your departure lounge:

  • When it comes to the on-time performance of Incheon International Airport, 74% of flights arrive within the scheduled time frame.

Gimpo International Airport (GMP)

  • Take some time to stretch your legs during your Seoul to Seattle flight with a stopover. Beijing Capital Airport (PEK) is one of the options between Gimpo International Airport and Seattle.

  • With public transport, you can travel from central Seoul to GMP in around 35 minutes. The terminal is roughly 18 kilometres away. Driving will take you about 30 minutes.

  • It's your holiday, so why not book an extra night away from home? Think about checking in to one of these accommodation options near Gimpo International Airport the day before your flight from Seoul to Seattle:

  • Flights from Gimpo International Airport are known for their punctuality, with 81% of them landing right on cue.

Arriving in Seattle

Seattle / Tacoma International Airport (SEA)

  • The distance from Seattle / Tacoma International Airport (SEA) to central Seattle is approximately 19 kilometres. It'll take you about 25 minutes to get to the centre driving.

  • If you're travelling on public transport, expect a journey time of about 35 minutes.

  • If you're arriving on a late flight from Seoul to Seattle, few things beat the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and sleeping soon after at one of these hotels near SEA:

  • Go wherever you want, whenever you want with a Seattle / Tacoma International Airport rental car. Pick up a set of wheels from Thrifty, Europcar or Budget and see more of Seattle and beyond.

  • Lock in the lowest price by reserving your ride from Seattle / Tacoma International Airport around one week before your departure date.

Paine Field Airport (PAE)

  • Central Seattle is approximately 32 kilometres from Paine Field Airport (PAE). After your flight from Seoul to Seattle has landed and you've made your way to arrivals, the drive should be around 20 minutes.

  • The journey will take roughly 40 minutes on public transport.

  • There are some great places to call home for the night near PAE. Settle in and get cosy after your Seoul to Seattle flight at one of these perfectly located options:

  • Grab a Paine Field Airport rental car and make every stop one of your choosing. You can choose from trusted companies like Budget and Enterprise.

  • In general, the earlier you book, the better the prices and vehicle selection. Secure your ride from PAE as soon as you've confirmed your plans.

Seattle Boeing Fld Airport (BFI)

  • Hop off your flight from Seoul to Seattle and travel to your hotel or start sightseeing right away. Central Seattle is around 11 kilometres from Seattle Boeing Fld Airport (BFI) and takes roughly 20 minutes to drive there.

  • If you're travelling on public transport, the journey will take you around 35 minutes.

  • Begin your travels without worrying about how to reach your next stop with a Seattle Boeing Fld Airport rental car. You can book a set of wheels from reliable names here like Alamo, Budget and Avis.

  • Booking at least a few weeks ahead of your flight from Seoul to Seattle is a smart way to go. Along with better deals, you'll have a wider selection of vehicle makes and models at BFI.

Best time to go to Seattle

  • It's time to work out your trip dates for your flight from Seoul to Seattle. July is the busiest month to visit Seattle. If you like a more peaceful vibe, go in March.

  • When booking your Seoul to Seattle tickets, consider the weather you're most comfortable in. August is the warmest month in Seattle, with temperatures ranging from 12ºC to 28ºC.

  • Search for cheap flights from Seoul to Seattle in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 11ºC on average.

More about Seattle

  • Start your Seattle trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Seoul to Seattle, check out our range of accommodation options including:

  • All great adventures should include a little sightseeing. Space Needle, Pike Place Fish Market and The Museum of Flight are attractions you won't want to skip in Seattle.

Explore more of the United States

  • Seattle has its own special appeal, but there are so many other parts of the United States waiting to be discovered. Around 241 kilometres south of Seattle, a trip to Portland will fill your itinerary to the brim. Start with leading sights like Portland Japanese Garden, Peninsula Park Rose Garden and International Rose Test Garden.

  • Around 370 kilometres east of Seattle, Spokane is another essential stop in the United States. No visit is complete without checking out Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.