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Flights from Seattle to Seoul

Flight information from Seattle to Seoul

Cheapest one-way flight

S$567.99

Cheapest round-trip flight

S$1,362.56

Cheapest month to fly

January

Shortest flight duration

11 hr(s), 55 mins

Direct flights from Seattle to Seoul

Airlines offering direct flights from Seattle to Seoul, starting from S$568.

Check airlines flying from Seattle to Seoul. Direct flights take only 11 hours and 55 minutes

Asiana Airlines

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Delta Airlines

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Korean Air

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When is the cheapest time to fly from Seattle to Seoul? Compare flight prices now!

Origin	Destination	Departure Date	Price
Seattle (SEA)	Seoul (SEOA)	Monday, 1 December 2025	No data
Seattle (SEA)	Seoul (SEOA)	Thursday, 1 January 2026	No data
Seattle (SEA)	Seoul (SEOA)	Sunday, 1 February 2026	No data
Seattle (SEA)	Seoul (SEOA)	Sunday, 1 March 2026	No data
Seattle (SEA)	Seoul (SEOA)	Wednesday, 1 April 2026	No data
Seattle (SEA)	Seoul (SEOA)	Sunday, 31 May 2026	S$790
Seattle (SEA)	Seoul (SEOA)	Monday, 1 June 2026	No data
Seattle (SEA)	Seoul (SEOA)	Wednesday, 1 July 2026	No data
Seattle (SEA)	Seoul (SEOA)	Saturday, 1 August 2026	No data
Seattle (SEA)	Seoul (SEOA)	Tuesday, 1 September 2026	No data
Seattle (SEA)	Seoul (SEOA)	Thursday, 1 October 2026	No data
Seattle (SEA)	Seoul (SEOA)	Sunday, 1 November 2026	No data

Today’s flight schedule from Seattle to Seoul — last minute flight deals on Traveloka!

Explore all flight schedules from Seattle to Seoul, with the fastest flight taking only 11 hours and 55 minutes

Thu, 18 Dec 2025

Fri, 19 Dec 2025

Sat, 20 Dec 2025

Airline	Departure Time	Arrival Time	Origin airport	Destination airport
Korean Air	11:00	15:55 (+1 day)	Seattle (SEA)	Seoul (ICN)	Book flight
Delta Airlines	11:00	15:55 (+1 day)	Seattle (SEA)	Seoul (ICN)	Book flight

Travel guide to Seoul — must-visit spots and travel info

Looking for cheap flights from Seattle Tacoma Intl to Seoul? Discover the best deals for flight tickets on Traveloka! Flying from Seattle Tacoma Intl to Seoul will be more enjoyable with our exclusive Traveloka flight promo. Beside flights, you can also find discounted hotels, airport transfers, and attraction tickets from all over the world! With our complete product offering, booking one-way, round-trip, and multi-city flights will be much easier. Book now and dive into endless adventures with Traveloka!

How much does Seattle to Seoul flight tickets cost?

If you are interested in flying from Seattle to Seoul you can check the price through Traveloka. Normally the price starts from S$568 this varies on season and availability.

How long does it take to fly from Seattle to Seoul?

Typically, it takes 11 hour and 55 minutes.

What airport serves Seoul?

Airport serving in Seoul include Seoul SEOA

Travel Tips for Your Seoul Trip

Packing Tips

Pack light for a weekend trip, or consider a cabin bag to save on checked luggage fees.
Don’t forget a universal travel adaptor to charge your gadgets.

Safety and Health Tips

Stay hydrated throughout your trip
Keep an eye on personal belongings, especially in crowded tourist areas.

Benefits of Booking with Traveloka for Seattle to Seoul Flight

Did you know booking through Traveloka has many benefits tailored to your travel convenience? Here's why Traveloka is the best choice for your Seattle to Seoul flight booking:

Best Prices: Access competitive deals and discounts exclusive to Traveloka users.
User-Friendly Tools: Use Traveloka’s price alerts and flexible date search options to uncover the best fares.
Comprehensive Customer Support: Get assistance anytime for a smooth booking experience.

Tips for Finding the Best Flight Deals

Book in Advance: Secure your tickets early to unlock the lowest prices.
Travel Off-Peak: Flights are more affordable on weekdays and during non-holiday seasons.
Set Fare Alerts: Traveloka’s price alerts notify you when ticket prices drop.
Be Flexible: Consider early morning or late-night flights to snag cheaper fares.

About Seoul

Flight Duration	11 hr(s) 55 mins
Airport in Seattle	Seattle Tacoma Intl (SEA)
Airport in Seoul	Incheon International Airport (ICN), Gimpo (GMP)

Frequently Asked Questions

How much is a flight ticket from Seattle Tacoma Intl to Seoul?

Planning to take off from Seattle Tacoma Intl to Seoul? Grab your ticket on Traveloka with prices starting from S$568, along with additional discounts & promos that can be found on our promo page.

How early should I get to the airport for a domestic & international flight?

For domestic flights, we recommend arriving at the airport at least 2 hours before your scheduled departure time. For international flights, aim to be at the airport at least 3 hours prior to ensure smooth check-in, security checks, and to account for any unexpected delays. It’s better to be early and relaxed than rushing at the last minute right?

When is the best time to buy airline tickets?

Timing is everything when it comes to grabbing airline tickets. Typically, it’s best to book around 4-6 weeks in advance for domestic flights and 2-3 months for international routes. But the prices also depend on the travel demand, seasonality, and major events. You can always monitor the fare trends on Traveloka and set alerts to catch the best deals or promotions!

What is the cheapest day to fly to Seoul?

Looking for the best deals to Seoul? Historically, midweek flights (particularly on Tuesdays and Wednesdays), tend to be cheaper due to lower demand. However, airfares can fluctuate so we recommend keeping an eye on flight prices and being flexible with your travel dates. Booking in advance can be one the hacks to travel to Seoul without breaking the bank!

What information do I need to know when booking a flight?

When booking a flight, every choice sets the tone for your trip. From the preferred flight route – be it direct or with layovers – to the in-flight experience – whether you opt for a standard economy seat or a luxurious first-class journey – and understanding baggage limits, there's a lot to weigh. Other considerations include travel insurance and the airline's booking policies.

How far in advance should I book an international flight?

For international flights, it’s wise to start your search about 5-6 months ahead with the optimal booking window being around 3-4 months before departure. This period often provides a balance between good fares and a reasonable choice of flight times and routes. But please note that several factors such as destination popularity, peak travel season, and regional major events can influence the timeline.

Do I need a passport and visa to fly between Seattle Tacoma Intl to Seoul?

Traveling from Seattle Tacoma Intl to Seoul typically requires specific documents. For international flights, a passport is almost always necessary. However, for domestic flights, neither a passport nor a visa is usually required, but an official ID will be needed. The necessity of a visa depends on the traveler's citizenship and Seoul's entry regulations. It's crucial to verify visa requirements, as rules can differ between countries.

Why should I book my flight with Traveloka?

Booking flight tickets with Traveloka can feel like diving into an ocean of options! Our platform provides the most comprehensive choices to ensure you find the perfect flight for your adventure. With our smooth booking process, you'll also be provided with a variety of payment methods. Anxious about transacting online? We've got you covered with our top-tier security for each transaction! With Traveloka, your flight booking journey becomes hassle-free!

Is there any available promo in Traveloka?

Yes, you can save 5% off on Flights, Hotels, and Attractions up to S$100 using BOOKTRAVELOKA promo code if you are a new user. The promo is only valid for bookings made through the Traveloka App only.