Cheap Flights from Incheon International Airport to Seattle (SEA) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2026/2
Sun	Mon	Tue	Wed	Thu	Fri	Sat
1518	2483	3502	4518	5483	6486	73,489
83,443	9481	10483	11481	12733	13965	141,011
151,002	161,193	17834	18483	19728	20516	21521
22553	23529	24Search	253,344	263,606	27645	283,578

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2026/2
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Incheon－Seattle-Tacoma Airport
February Lowest Airfares
USD481

The airfare displayed above is for Air Canada

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Incheon－Seattle-Tacoma Airport
March Lowest Airfares
USD887

The airfare displayed above is for Asiana Airlines

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Incheon－Seattle-Tacoma Airport
April Lowest Airfares
USD977

The airfare displayed above is for Korean Air

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Incheon－Seattle-Tacoma Airport
May Lowest Airfares -----
Incheon－Seattle-Tacoma Airport
June Lowest Airfares -----

Seoul－Seattle
Estimated Flight Time
10 Hours 10 Minutes
Seoul－Seattle
Number of Operating Airlines
32

Operating Airlines for Incheon－Seattle-Tacoma Airport Route
- No1
  Asiana Airlines
- No2
  Korean Air
- No3
  United Airlines
Non-StopAsiana Airlines

Non-StopKorean Air

United Airlines

Non-StopDelta Air Lines

Air Canada

Alaska Airlines

Finnair

British Airways

Eva Air

Air China

China Airlines

Cathay Pacific

China Southern Airlines

AeroMéxico

Emirates Airlines

Ethiopian Airlines

Hawaiian Airlines

Japan Airlines

Air France

Klm Royal Dutch Airlines

Lufthansa German Airlines

XiamenAir

China Eastern Airlines

All Nippon Airways

American Airlines

Philippine Airlines

Qatar Airways

Singapore Airlines

Turkish Airlines

Vietnam Airlines

West Jet

LCCAustrian Airlines

Other Destinations from:Seoul

Incheon－Boston(Logan)
USD650〜
Incheon－Washington D.C(Washington Dulles)
USD645〜
Incheon－Washington D.C(Ronald Reagan Washington National)
USD721〜
Incheon－Washington D.C(Baltimore-Washington)
USD788〜
Incheon－Chicago(O'Hare)
USD686〜
Incheon－Chicago(Midway)
USD1,187〜
Incheon－Dallas(/Fort Worth)
USD661〜
Incheon－Dallas(Love Field)
USD1,013〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Gimpo Airport－Seattle(-Tacoma)
USD631〜
Gimhae Airport－Seattle(-Tacoma)
USD630〜
Daegu Airport－Seattle(-Tacoma)
USD682〜
Jeju Internaional Airport－Seattle(-Tacoma)
USD789〜
Ulsan Airport－Seattle(-Tacoma)
USD680〜
* Fares vary in accordance to seat availability