
Popular airlines to Cosmopolis
- United
United
- Delta
Delta
- All Nippon Airways
All Nippon Airways
- American Airlines
American Airlines
- EVA Airways
EVA Airways
- Cathay Pacific
Cathay Pacific
- Qatar Airways
Qatar Airways
- Plan, book, fly with confidence
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Cheap round-trip flights to Cosmopolis
These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 14 Aug - Sun, 17 Aug
SFO
San Francisco
SEA
Seattle
S$267 Return, just found
S$267
Return
just found

Tue, 16 Sep - Sat, 20 Sep
LAX
Los Angeles
PAE
Seattle
S$331 Return, found 19 hours ago
S$331
Return
found 19 hours ago

Wed, 17 Sep - Sun, 5 Oct
SIN
Singapore
SEA
Seattle
S$895 Return, found 5 days ago
S$895
Return
found 5 days ago

Sun, 6 Jul - Mon, 21 Jul
SIN
Singapore
SEA
Seattle
S$911 Return, found 9 hours ago
S$911
Return
found 9 hours ago

Fri, 22 Aug - Fri, 29 Aug
HND
Tokyo
SEA
Seattle
S$1,029 Return, found 13 hours ago
S$1,029
Return
found 13 hours ago
Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA)
September is typically the cheapest month to fly
From S$185 - S$325 per traveller.
Graph displaying average flight prices per month
Frequently asked questions
Destination airport | Seattle - Tacoma Intl. |
Destination airport IATA code | SEA |
Destination city name | Seattle |
Return price | S$170 |
More to explore for Cosmopolis
Heading to Cosmopolis? Explore Cosmopolis with Expedia's Travel Guides to find the best hotels, holiday packages, car hire deals and more!
Trending flights to Cosmopolis
These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, 17 Sep - Sun, 5 Oct
SIN
Singapore
SEA
Seattle
S$895 Return, found 5 days ago
S$895
Return
found 5 days ago
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- Shanghai to Seattle (PVG - SEA)
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Flights to Cities Near Cosmopolis
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