$638 Cheap Delta flights Seoul (ICN) to Seattle (SEA)

View $638 flight on Mon, Apr 27, 2026Opens in a new window

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$638 Cheap Delta flights Seoul (ICN) to Seattle (SEA)

Prices were available within the past 7 days and start at $638 for one-way flights and $596 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 23 - Mon, Dec 1
ICN
Seoul
SEA
Seattle
$596 Roundtrip, found 2 hours ago
$596
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Sep 23 from Seoul to Seattle, returning Mon, Dec 1, priced at $596 found 2 hours ago
Delta
Sun, Oct 5 - Tue, Oct 14
ICN
Seoul
SEA
Seattle
$607 Roundtrip, just found
$607
Roundtrip
just found
Select Delta flight, departing Sun, Oct 5 from Seoul to Seattle, returning Tue, Oct 14, priced at $607 just found
Delta
Mon, Dec 22 - Wed, Jan 7
ICN
Seoul
SEA
Seattle
$612 Roundtrip, found 2 hours ago
$612
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, Dec 22 from Seoul to Seattle, returning Wed, Jan 7, priced at $612 found 2 hours ago
Delta
Tue, Sep 23 - Mon, Dec 1
ICN
Seoul
SEA
Seattle
$624 Roundtrip, found 2 hours ago
$624
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Sep 23 from Seoul to Seattle, returning Mon, Dec 1, priced at $624 found 2 hours ago
Flights from Seoul (ICN) to Seattle (SEA)
Origin airport
Incheon Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air China, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Hawaiian Airlines, Japan Airlines, Korean Air, Philippine Airlines, Singapore Airlines, Turkish Airlines, United, WestJet
Popular airline
Asiana Airlines
Distance
5203 mi
Average flight time
-5 hours -46 mins

Frequently asked questions

How much is a Delta Air Lines flight from Incheon Intl. Airport (ICN) to Seattle - Tacoma Intl. Airport (SEA)?
You can find affordable round-trip Delta Air Lines flights from $596 from ICN to SEA by organizing your results from "Price (lowest to highest)" on Expedia. Or look for options from $638 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ICN to SEA with Delta Air Lines?
Delta Air Lines flights to Seattle are generally cheaper in the low-season months of January and February. Whether you're after a round-trip or one-way ticket, you could land a better deal then.
What is the cheapest time to book flights from Incheon Intl. Airport (ICN) to Seattle - Tacoma Intl. Airport (SEA) with Delta Air Lines?
Scoring the best Delta Air Lines deals from ICN to SEA often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. What's more, you can pocket 17% on average by buying your tickets on a Sunday rather than a Friday, which is usually the most expensive day to book.* It's a good idea to start searching for flights about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Incheon Intl. Airport (ICN) to Seattle - Tacoma Intl. Airport (SEA)?
Delta Air Lines operates direct flights from Incheon Intl. Airport (ICN) to Seattle - Tacoma Intl. Airport (SEA), with 7 departures every week. Simply select the "Nonstop" and "Airline" filters during your search on Expedia to show all direct Delta Air Lines flights to SEA.
How long does it take to fly from ICN to SEA with Delta Air Lines?
Take off from Incheon Intl. Airport (ICN) for Seattle - Tacoma Intl. Airport (SEA) on a nonstop Delta Air Lines flight, and you'll be airborne for around 10h 25m.
What is the earliest Delta Air Lines flight from ICN to SEA?
The earliest flight from ICN to SEA with Delta Air Lines departs at 8:05PM UTC+9. You'll touch down at 1:30PM UTC-8. The final Delta Air Lines flight of the day leaves at 8:05PM UTC+9 and arrives at 1:30PM UTC-8. With around 20% fewer cancellations for departures before noon, heading out early is typically the best option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Seattle?
Seattle - Tacoma Intl. Airport (SEA) is the main Seattle hub for Delta Air Lines flights from Incheon Intl. Airport (ICN).
Why fly with Delta Air Lines from ICN to SEA?
Taking off from ICN to SEA with Delta Air Lines comes with a variety of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Delta Air Lines fly from Incheon Intl. Airport (ICN) to Seattle - Tacoma Intl. Airport (SEA)?
You'll most likely be flying on an Airbus A330-900neo for your Delta Air Lines flight from Incheon Intl. Airport (ICN) to Seattle - Tacoma Intl. Airport (SEA). However, you may be switched to a different aircraft if operational demands require it.
Can I change or cancel my Delta Air Lines flight from Incheon Intl. Airport (ICN) to Seattle - Tacoma Intl. Airport (SEA)?
Depending on the ticket type you purchased, a fee typically applies if you cancel or change your flight more than 24 hours after confirmation. To find flexible fares, select our "No cancel fee" or "Changes included" filter when you look for flights. For additional information on changing or canceling your reservation, visit "Trips," select your flight and tick "Manage Booking."

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