Cheap Flights to Union from HK$863

View HK$863 flight on Sat, 15 Nov 2025Opens in a new window

Popular airlines to Union

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Cheap round-trip flights to Union

Prices were available within the past 7 days and start at HK$863 for one-way flights and HK$1,495 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 8 Oct - Tue, 14 Oct
YVR
Vancouver
SEA
Seattle
HK$1,495 Return, found 3 days ago
HK$1,495
Return
found 3 days ago
Select Delta flight, departing Wed, 8 Oct from Vancouver to Seattle, returning Tue, 14 Oct, priced at HK$1,495 found 3 days ago
Air Canada
Tue, 11 Nov - Wed, 12 Nov
YVR
Vancouver
SEA
Seattle
HK$1,546 Return, found 1 hour ago
HK$1,546
Return
found 1 hour ago
Select Air Canada flight, departing Tue, 11 Nov from Vancouver to Seattle, returning Wed, 12 Nov, priced at HK$1,546 found 1 hour ago
United
Tue, 11 Nov - Wed, 12 Nov
YVR
Vancouver
SEA
Seattle
HK$1,590 Return, found 1 hour ago
HK$1,590
Return
found 1 hour ago
Select United flight, departing Tue, 11 Nov from Vancouver to Seattle, returning Wed, 12 Nov, priced at HK$1,590 found 1 hour ago
WestJet
Sun, 12 Oct - Mon, 13 Oct
YVR
Vancouver
SEA
Seattle
HK$1,696 Return, found 3 days ago
HK$1,696
Return
found 3 days ago
Select WestJet flight, departing Sun, 12 Oct from Vancouver to Seattle, returning Mon, 13 Oct, priced at HK$1,696 found 3 days ago
Harbour Air Seaplanes
Tue, 11 Nov - Wed, 12 Nov
CXH
Vancouver
LKE
Seattle
HK$1,730 Return, found 1 hour ago
HK$1,730
Return
found 1 hour ago
Select Harbour Air Seaplanes flight, departing Tue, 11 Nov from Vancouver to Seattle, returning Wed, 12 Nov, priced at HK$1,730 found 1 hour ago

Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA)

September is typically the cheapest month to fly

From HK$959 - HK$1,934 per traveller.

Graph displaying average flight prices per month

Flights to Union information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Return price
HK$1,495

Trending flights to Union

Prices were available within the past 7 days and start at HK$863 for one-way flights and HK$1,495 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, 25 Dec - Sat, 3 Jan
HKG
Hong Kong SAR
SEA
Seattle
HK$4,927 Return, found 1 hour ago
HK$4,927
Return
found 1 hour ago
Select Korean Air flight, departing Thu, 25 Dec from Hong Kong SAR to Seattle, returning Sat, 3 Jan, priced at HK$4,927 found 1 hour ago
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