Cheap Flights From Seattle - Tacoma Intl. (SEA) To Incheon Intl. (ICN)

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Cheapest Flights from Seattle (SEA) to Seoul (ICN)

The cheapest flights to Incheon Intl. found within the past 7 days were CA $987 round trip and CA $505 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Apr 20 - Sun, May 10
SEA
Seattle
ICN
Seoul
CA $987 Roundtrip, found 2 days ago
CA $987
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Mon, Apr 20 from Seattle to Seoul, returning Sun, May 10, priced at CA $987 found 2 days ago
Mon, May 4 - Mon, May 18
SEA
Seattle
ICN
Seoul
CA $988 Roundtrip, found 19 hours ago
CA $988
Roundtrip
found 19 hours ago
Select Cathay Pacific flight, departing Mon, May 4 from Seattle to Seoul, returning Mon, May 18, priced at CA $988 found 19 hours ago
Mon, Apr 20 - Sun, Apr 26
SEA
Seattle
ICN
Seoul
CA $995 Roundtrip, found 16 hours ago
CA $995
Roundtrip
found 16 hours ago
Select Cathay Pacific flight, departing Mon, Apr 20 from Seattle to Seoul, returning Sun, Apr 26, priced at CA $995 found 16 hours ago
Mon, Apr 20 - Sun, May 10
SEA
Seattle
ICN
Seoul
CA $1,004 Roundtrip, found 2 days ago
CA $1,004
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Mon, Apr 20 from Seattle to Seoul, returning Sun, May 10, priced at CA $1,004 found 2 days ago
Mon, May 11 - Sun, May 17
SEA
Seattle
ICN
Seoul
CA $1,009 Roundtrip, found 3 days ago
CA $1,009
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Mon, May 11 from Seattle to Seoul, returning Sun, May 17, priced at CA $1,009 found 3 days ago
Sat, Apr 18 - Fri, May 1
SEA
Seattle
ICN
Seoul
CA $1,091 Roundtrip, found 2 days ago
CA $1,091
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Apr 18 from Seattle to Seoul, returning Fri, May 1, priced at CA $1,091 found 2 days ago
Mon, May 4 - Thu, Jun 25
SEA
Seattle
ICN
Seoul
CA $1,092 Roundtrip, found 1 day ago
CA $1,092
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Mon, May 4 from Seattle to Seoul, returning Thu, Jun 25, priced at CA $1,092 found 1 day ago
Sat, May 2 - Wed, May 6
SEA
Seattle
ICN
Seoul
CA $1,093 Roundtrip, found 6 hours ago
CA $1,093
Roundtrip
found 6 hours ago
Select Korean Air flight, departing Sat, May 2 from Seattle to Seoul, returning Wed, May 6, priced at CA $1,093 found 6 hours ago
Mon, May 11 - Thu, Jun 25
SEA
Seattle
ICN
Seoul
CA $1,111 Roundtrip, found 2 days ago
CA $1,111
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, May 11 from Seattle to Seoul, returning Thu, Jun 25, priced at CA $1,111 found 2 days ago
Sun, Mar 22 - Wed, Apr 1
SEA
Seattle
ICN
Seoul
CA $1,211 Roundtrip, found 3 days ago
CA $1,211
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sun, Mar 22 from Seattle to Seoul, returning Wed, Apr 1, priced at CA $1,211 found 3 days ago

Frequently asked questions

Are there direct flights from SEA to Incheon Airport?
Your next grand adventure is on the opposite side of a single flight. You can fly direct from Seattle - Tacoma Intl. Airport (SEA) to Incheon Intl. Airport (ICN) with multiple airlines, including Korean Air and Delta.
What airlines fly from Sea-Tac Airport to Incheon Airport?
There are a number of airlines that fly direct from Seattle - Tacoma Intl. Airport (SEA) to Incheon Intl. Airport (ICN). Korean Air (KE) is one of the most popular, operating at least 30 flights each month. An alternative is Delta (DL), which offers 21 flights every month. The more airlines you consider, the more likely you are to score a terrific deal.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca 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 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.
*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.