Cheap flights from Seattle to South Korea from $436
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to South Korea departing on 3/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Seattle to South Korea
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
China Airlines flights from Seattle to South Korea
Our best China Airlines deals on Seattle to South Korea flight tickets
Air Canada flights from Seattle to South Korea
Our best Air Canada deals on Seattle to South Korea flight tickets
See travel insights to South Korea from
How to get the cheapest flight ticket from Seattle to South Korea
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 South Korea?
If you aren’t able to travel to South Korea during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,027.
What is the cheapest day to depart on your flight to South Korea?
On average, the least expensive day to fly to South Korea from Seattle is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $972. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to South Korea for around $1,122.
What is the cheapest time of day to depart on your flight to South Korea?
Flying to South Korea from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $983 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,259 on average. Flights to South Korea from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Seattle/Tacoma Intl to South Korea flight route?
Fly from Seattle/Tacoma Intl to Incheon Intl for the best Seattle/Tacoma Intl - South Korea flight prices
How far in advance should I book a flight to South Korea?
You are more likely to see cheaper flights to South Korea from Seattle when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,311 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Seattle for as low as $1,175 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to South Korea flights?
There are 3 cabin classes available to choose from on Seattle/Tacoma Intl to South Korea flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to South Korea?
WestJet, China Airlines, and China Eastern are the most popular carriers operating from Seattle/Tacoma Intl to South Korea
What airlines fly to South Korea?
Korean Air, Asiana Airlines and Air Canada are the top three most popular airlines that fly to South Korea from Seattle according to our data. Korean Air is the first choice among our users, with 46% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 9 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to South Korea on average per day?
The number of flights available between Seattle and South Korea is 9 per day as of February 2025. The most frequent departure time is 12:00PM, with 59% of daily flights leaving at noon.
How many flights depart from Seattle to South Korea on average per week?
As of February 2025, there are 65 flights per week flying from Seattle to South Korea. The most common day of the week flights depart is Wed, with 18% of flights taking off on this day.
Cheap Seattle to South Korea flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to South Korea
Best Price Found | $436 |
|---|---|
Fastest flight time | 13h 40m |
Direct flights | Every day |
Airports in South Korea | 5 airports |
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to South Korea?
Prices for flights from Seattle/Tacoma Intl Airport to South Korea are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to South Korea?
There are 9 operators available for flights from Seattle/Tacoma Intl Airport to South Korea as of February 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to South Korea?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to South Korea.
What documentation or ID do you need to fly to South Korea?
The travel and health documents you'll need for your trip to South Korea may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South Korea. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to South Korea?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to South Korea is Boeing 787-9 Dreamliner (24.57% of total bookings). The next most popular plane models are Airbus A350-900 (20.28%), Boeing 787-10 Dreamliner (17.92%), and Boeing 777-300 (10.31%).
Best airlines flying from Seattle to South Korea
Compare and see reviews for airlines that fly from Seattle to South Korea with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $600 | Free Cancellation | Rating 7.9 2,314 reviews | |||
| PriceFrom $769 | Free Cancellation | Rating 7.4 8,754 reviews | |||
| PriceFrom $849 | Free Cancellation | Rating 7.0 8,757 reviews | |||
| PriceFrom $856 | Free Cancellation | Rating 8.2 726 reviews | |||
| PriceFrom $936 | Free Cancellation | Rating 8.2 444 reviews | |||
| PriceFrom $969 | Free Cancellation | Rating 8.4 1,036 reviews | |||
| PriceFrom $970 | Free Cancellation | Rating 7.3 3,825 reviews | |||
| PriceFrom $982 | Free Cancellation | Rating 8.0 8,203 reviews | |||
| PriceFrom $986 | Free Cancellation | Rating 8.4 1,199 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to South Korea?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to South Korea for you.
Can I find flights from Seattle to South Korea with flexible booking policies on momondo?
All flight searches from Seattle to South Korea on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seattle to South Korea?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to South Korea.
I’m not ready to book a flight from Seattle to South Korea right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seattle to South Korea now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to South Korea and let you know when they change.