Featured airlines
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 40% on select hotels after you book a flight*
Cheapest flights from 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, 30 Apr - Sun, 11 May
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
฿4,990 Return, found 3 days ago
฿4,990
Return
found 3 days ago

Sat, 26 Apr - Sun, 27 Apr
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
฿5,020 Return, found 1 day ago
฿5,020
Return
found 1 day ago

Sat, 19 Apr - Wed, 23 Apr
SEA
Seattle - Tacoma Intl.
LAS
Harry Reid Intl.
฿5,330 Return, found 6 days ago
฿5,330
Return
found 6 days ago

Tue, 22 Apr - Sat, 10 May
SEA
Seattle - Tacoma Intl.
DEN
Denver Intl.
฿5,330 Return, found 5 days ago
฿5,330
Return
found 5 days ago

Mon, 21 Apr - Thu, 24 Apr
SEA
Seattle - Tacoma Intl.
LAS
Harry Reid Intl.
฿5,355 Return, found 20 hours ago
฿5,355
Return
found 20 hours ago

Sat, 26 Apr - Sun, 27 Apr
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
฿5,530 Return, found 1 day ago
฿5,530
Return
found 1 day ago

Wed, 30 Apr - Sun, 11 May
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
฿6,180 Return, found 3 days ago
฿6,180
Return
found 3 days ago

Wed, 30 Apr - Sun, 11 May
SEA
Seattle - Tacoma Intl.
SFO
San Francisco Intl.
฿7,685 Return, found 3 days ago
฿7,685
Return
found 3 days ago

Thu, 19 Jun - Mon, 30 Jun
PAE
Seattle Paine Field Intl. Airport
LAS
Harry Reid Intl.
฿10,055 Return, found 5 days ago
฿10,055
Return
found 5 days ago

Sat, 5 Apr - Sat, 12 Apr
PAE
Seattle Paine Field Intl. Airport
DEN
Denver Intl.
฿40,990 Return, found 5 days ago
฿40,990
Return
found 5 days ago
Flights from Cosmopolis: Essential Travel Information
Cheapest flight from Cosmopolis | ฿4,990 (roundtrip) |
---|---|
Best airlines to fly from Cosmopolis | Delta, United, American Airlines, Hawaiian Airlines, Alaska Airlines |
Cheapest month to fly from Cosmopolis | April |
Cosmopolis IATA code | SEA |
Cosmopolis Country/State | Washington |
Airline ticket deals from Cosmopolis | ฿4,990 - ฿40,990 |
- Top Flights Destinations
- Flights from Other Cities
- Cheap Flights from Other Airports
- Expedia's Latest Trends
- Flights to New York
- Flights to Orlando
- Flights to Miami
- Flights to Chicago
- Flights to San Diego
- Flights to Myrtle Beach
- Flights to Key West
- Flights to Los Angeles
- Flights to Nashville
- Flights to New Orleans
- Flights to Honolulu
- Flights to Boston
- Flights to Houston
- Flights to Phoenix
- Flights to San Antonio
- Flights to Washington
- Flights to Atlanta
- Flights to San Francisco
Top Flight Destinations In World
- Flights to Greece
- Flights to Switzerland
- Flights to France
- Flights to Philippines
- Flights to Colombia
- Flights to Türkiye
- Flights to Indonesia
- Flights to Brazil
- Flights to Italy
- Flights to Sweden
- Flights to United Kingdom
- Flights to Russia
- Flights to Spain
- Flights to Germany
- Flights to China
- Flights to India
- Flights to Japan
- Flights to Mexico
- Flights to Canada
- Flights to Norway
Expedia's Latest Trends
Hotels
Flights
Packages
General
Visit ForksVisit FreerVisit Santa CruzVisit AvalonVisit Grand CanyonVisit CummingVisit Sun ValleyVisit LeavenworthVisit MontaukVisit AzusaVisit StamfordVisit South Lake TahoeVisit HonoluluVisit Sequoia National ParkVisit San DiegoVisit SanduskyVisit West PointVisit Rainbow CityVisit Mountain ViewVisit Palm SpringsVisit San RafaelVisit Cupertino
*Available to Expedia members.