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Popular airlines to Index
- Alaska Airlines
Alaska Airlines
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American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- Frontier Airlines
Frontier Airlines
- Air Canada
Air Canada
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Cheap round-trip flights to Index
Prices were available within the past 7 days and start at HK$2,812 for one-way flights and HK$4,585 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, 6 May - Wed, 30 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$4,585 Return, found 2 hours ago
HK$4,585
Return
found 2 hours ago

Fri, 8 May - Fri, 15 May
HKG
Hong Kong SAR
SEA
Seattle
HK$4,634 Return, found 4 days ago
HK$4,634
Return
found 4 days ago

Tue, 5 May - Wed, 13 May
TPE
Taipei
SEA
Seattle
HK$4,686 Return, found 18 hours ago
HK$4,686
Return
found 18 hours ago

Tue, 10 Mar - Tue, 17 Mar
HKG
Hong Kong SAR
SEA
Seattle
HK$4,867 Return, just found
HK$4,867
Return
just found

Sat, 28 Mar - Fri, 10 Apr
TPE
Taipei
SEA
Seattle
HK$4,874 Return, found 2 hours ago
HK$4,874
Return
found 2 hours ago
Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA)
October is typically the cheapest month to fly
From HK$1,064 - HK$1,841 per traveller.
Frequently asked questions
Travel information
Destination airport | Seattle - Tacoma Intl. |
|---|---|
Destination airport IATA code | SEA |
Destination city name | Seattle |
Return price | HK$4,585 |
Trending flights to Index
Prices were available within the past 7 days and start at HK$2,812 for one-way flights and HK$4,585 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, 6 May - Wed, 30 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$4,585 Return, found 2 hours ago
HK$4,585
Return
found 2 hours ago
*Available to Expedia members.