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How to get the cheapest flight ticket from Seoul to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
The cheapest month to fly to Seattle from Seoul is in May. Flight prices, which tend to average around R11 924, are often lower during this time because this is during the off-season. If you aren’t able to travel to Seattle during the month of May, then flying in March is also cheap. Prices for this month can be found on momondo for an average of R11 978.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Seoul when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around R15 296 when searching 23 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Seoul for as low as R13 466 on momondo.
What cabin class options are available on Seoul to Seattle/Tacoma Intl flights?
There are 1 cabin classes available to choose from on Seoul to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Seoul to Seattle flight prices changed over time?
As of June 2025, prices for Seoul to Seattle flights are approximately 28% cheaper when compared to flights at the same time last year.
When to book flights from Seoul to Seattle
Cheap Seoul to Seattle (SEL to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seoul to Seattle
How far is Seoul to Seattle/Tacoma Intl by plane?
The straight-line distance from Seoul to Seattle/Tacoma Intl is 8316,1 km.
When did momondo last update prices for flights from Seoul to Seattle/Tacoma Intl Airport?
Prices for flights from Seoul to Seattle/Tacoma Intl Airport are updated daily.
How old do you have to be to fly from Seoul to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Seoul to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Seoul to Seattle is Boeing 787-10 Dreamliner, representing 35,06% of all bookings. The subsequent popular models are Airbus A350-900 at 21,77%, Boeing 777-200LR at 15,73%, and Boeing 777-300ER at 12,43%.
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seoul to Seattle?
It is quick and easy to find Seoul to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.
Can I find flights from Seoul to Seattle with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Seattle from Seoul with this policy.
How can momondo help me find flights from Seoul to Seattle?
Once all potential Seoul to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seoul to Seattle right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seoul to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.