Flights to Ulsan from Seattle -

Popular airlines from Seattle to Ulsan

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle to Ulsan (SEA-KR-31)

Prices were available within the past 7 days and start at for one-way flights and ￥157,080 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥157,080 Roundtrip, found 4 days ago
￥157,080
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥157,080 found 4 days ago
Asiana Airlines
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥159,340 Roundtrip, found 4 days ago
￥159,340
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥159,340 found 4 days ago
Korean Air
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥165,680 Roundtrip, found 4 days ago
￥165,680
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥165,680 found 4 days ago
Delta
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥182,580 Roundtrip, found 4 days ago
￥182,580
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥182,580 found 4 days ago
Delta
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥182,720 Roundtrip, found 4 days ago
￥182,720
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥182,720 found 4 days ago
Delta
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥182,860 Roundtrip, found 4 days ago
￥182,860
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥182,860 found 4 days ago
Alaska Airlines
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥183,140 Roundtrip, found 4 days ago
￥183,140
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥183,140 found 4 days ago
Delta
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥191,180 Roundtrip, found 4 days ago
￥191,180
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥191,180 found 4 days ago
Delta
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥191,320 Roundtrip, found 4 days ago
￥191,320
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥191,320 found 4 days ago
Korean Air
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥195,080 Roundtrip, found 4 days ago
￥195,080
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥195,080 found 4 days ago
Alaska Airlines
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥198,240 Roundtrip, found 4 days ago
￥198,240
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥198,240 found 4 days ago
Air Canada
Sat, Aug 16 - Tue, Aug 19
SEA
Seattle
PUS
Busan
￥202,260 Roundtrip, found 4 days ago
￥202,260
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sat, Aug 16 from Seattle to Busan, returning Tue, Aug 19, priced at ￥202,260 found 4 days ago
*Available to Expedia members.