
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 €128 for one-way flights and €312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 28 May - Thu, 4 Jun
DCA
Washington
SEA
Seattle
€312 Return, found 22 hours ago
€312
Return
found 22 hours ago

Thu, 28 May - Thu, 4 Jun
DCA
Washington
SEA
Seattle
€331 Return, found 22 hours ago
€331
Return
found 22 hours ago

Tue, 15 Sept - Tue, 22 Sept
BER
Berlin
SEA
Seattle
€380 Return, found 5 days ago
€380
Return
found 5 days ago

Thu, 28 May - Thu, 4 Jun
DCA
Washington
SEA
Seattle
€400 Return, found 22 hours ago
€400
Return
found 22 hours ago

Thu, 5 Nov - Thu, 19 Nov
DUB
Dublin
SEA
Seattle
€422 Return, found 1 day ago
€422
Return
found 1 day ago
Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA)
April is typically the cheapest month to fly
From €145 - €264 per traveller.
Frequently asked questions
Travel information
Destination airport | Lake Union Seaplane Base |
|---|---|
Destination airport IATA code | LKE |
Destination city name | Seattle |
Return price | €186 |
Trending flights to Union
Prices were available within the past 7 days and start at €128 for one-way flights and €312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 5 Nov - Thu, 19 Nov
DUB
Dublin
SEA
Seattle
€422 Return, found 1 day ago
€422
Return
found 1 day ago
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