$814 Cheap Asiana Airlines flights from Seattle to Seoul (SEA to ICN)

Find The Best Day To Fly from Seattle to Seoul

Amazing Asiana Airlines SEA to ICN Flight Deals

The cheapest flights to Incheon Intl. found within the past 7 days were $1,473 round trip and $814 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Oct 7 - Tue, Oct 13
SEA
Seattle
ICN
Seoul
$1,473 Roundtrip, found 5 hours ago
$1,473
Roundtrip
found 5 hours ago
Select Asiana Airlines flight, departing Wed, Oct 7 from Seattle to Seoul, returning Tue, Oct 13, priced at $1,473 found 5 hours ago

ICN From SEA Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Shilla Stay Guro Digital Complex Station

Shilla Stay Guro Digital Complex Station

3 out of 5
Price was $1,993, price is now $1,311 per person
$1,311
per person
Nov 3 - Nov 9
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Seoul (ICN)
Shilla Stay Seodaemun Seoul Station

Shilla Stay Seodaemun Seoul Station

3 out of 5
Price was $2,257, price is now $1,534 per person
$1,534
per person
Nov 3 - Nov 9
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Seoul (ICN)
Shilla Stay Mapo Hongdae

Shilla Stay Mapo Hongdae

3 out of 5
Price was $2,212, price is now $1,526 per person
$1,526
per person
Nov 3 - Nov 9
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Seoul (ICN)
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Frequently asked questions

Can I catch a flight from Sea-Tac Airport to Seoul–Incheon Intl. Airport right now?
For info on any present ICN quarantine requirements and travel advice, visit the Covid-19 Travel Advisor. Check before you arrange your flight, so you don't get caught out.
What terminal is Asiana Airlines at Sea-Tac Airport?
If you're heading from SEA to Seoul–Incheon Intl. Airport, you'll probably be getting off the plane at terminal 1. We can't say for sure which terminal you'll be taking off from — it's a good idea to ask your airline.
Are there Asiana Airlines non-stop flights from SEA to ICN?
It is possible to fly direct from Seattle - Tacoma Intl. Airport (SEA) to Seoul–Incheon Intl. Airport with Asiana Airlines and avoid the hassles of stopovers. The less time you spend traveling to your destination, the more time you'll have for fun adventures.
How long is an Asiana Airlines flight from SEA to ICN?
Wander wisely from the second you walk on the plane. With an Asiana Airlines flight from SEA to ICN taking about 13 hours and 36 minutes, it's a good idea to have a few tricks up your sleeve. A neck pillow and a pullover should be among the essentials in your carry-on.
What type of aircraft does Asiana Airlines fly from SEA to ICN?
Locked in a seat with Asiana Airlines? You'll probably be taking a ride aboard the Airbus A350-900 on the SEA to ICN flight path.
How many direct and indirect flights does Asiana Airlines fly from SEA to ICN?
Planning a trip between Seattle - Tacoma Intl. Airport (SEA) and Incheon Intl. Airport (ICN) is simple. There are roughly 9 Asiana Airlines flights servicing the route between SEA and ICN each week.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to ICN, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best Asiana Airlines flight from Seattle SEA to Seoul ICN 

To find the best deals on flights to Seattle from Seoul with Asiana Airlines, just enter your travel dates, filter by Asiana Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Seattle SEA to Seoul ICN with Asiana Airlines 

If you’re planning a round trip, booking return flights with Asiana Airlines is usually the most cost-effective option. With airfares ranging from $1,473 to $1,473, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Asiana Airlines flights from Seattle SEA to Seoul ICN 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Asiana Airlines flight from Seattle to Seoul costs from $814. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Seoul ICN from  Seattle SEA with Asiana Airlines 

To find a cheap Asiana Airlines flight from Seattle SEA to Seoul ICN, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Asiana Airlines flights from Seattle SEA to Seoul ICN 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as October, or if you book a flight with a stopover. 

 

Find nonstop flights from Seattle SEA to Seoul ICN with Asiana Airlines 

If you’re keen to be on Seoul soil fast, don’t waste time with a stopover—filter your search results to show direct Asiana Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Asiana Airlines flights from Seattle SEA to Seoul ICN 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Seoul ICN from  Seattle SEA with Asiana Airlines on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Asiana Airlines Airports
Hop on a(n) Asiana Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
CJUKORJeju Intl.46
GMPKORGimpo Intl.45
ICNKORIncheon Intl.21
PUSKORGimhae16
LAXUSALos Angeles Intl.10
KWJKORGwangju Intl.6
ANCUSATed Stevens Anchorage Intl.4
RSUKORYeosu4
FRADEUFrankfurt Intl.3
FUKJPNFukuoka3

Travelers ❤️ these 🏨 after their flight to Seoul

Incheon Airport Guesthouse

Incheon Airport Guesthouse

2.5 out of 5
Worldgate Bldg 2 Floor #243 Incheon
This smoke-free guesthouse features 8 restaurants and 2 bars/lounges. Enjoy a meal in one of the 2 coffee shops/cafes and perks like a free bus station shuttle. ...
8/10 Very Good! (451 reviews)
"A very decent place to spend the night before/after your flight. Very easy to find and access with self check in, and a free shuttle to and from the airport. There are a few convenience stores and restaurants nearby which is handy as you don't have to go too far to get food. The room was clean and ..."

Reviewed on Sep 30, 2026

Incheon Airport Guesthouse
Incheon Airport Transit Hotel - Terminal 2

Incheon Airport Transit Hotel - Terminal 2

2.5 out of 5
Terminal 2 Incheon International Airport Incheon
A restaurant and free WiFi in public areas are featured at this hotel. Staff at the 24-hour front desk can provide around-the-clock assistance.
8.8/10 Excellent! (1,001 reviews)
"The best thing of this hotel is its right inside of the terminal 2 where the Korean airline transfer desk and the gate for my flight"

Reviewed on Oct 4, 2026

Incheon Airport Transit Hotel - Terminal 2
Hotel ORA Incheon

Hotel ORA Incheon

3 out of 5
345, Gonghangseo-ro, Jung-gu Incheon Incheon
This hotel features a restaurant, a coffee shop, and free WiFi in public areas. Business travelers can take advantage of the 24-hour business center. Express ...
Hotel ORA Incheon
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.