We noticed that you're using an unsupported browser. The Tripadvisor website may not display properly.We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.

Find the best flight to Cosmopolis

Round TripOne-wayMulti-city
Depart
Thu, 10/7
Return
Thu, 10/14
Travelers
1, Economy

Great deals to Cosmopolis

We’ve searched 100s of deals recently found by travelers.*
Las Vegas, NV (LAS) Seattle, WA (SEA)
Thu, 10/21 - Sat, 10/23
Spirit Airlines - Roundtrip, Economy
$37
Denver, CO (DEN) Seattle, WA (SEA)
Tue, 10/5 - Tue, 10/12
Multiple Airlines - Roundtrip, Economy
$86
San Francisco, CA (SFO) Seattle, WA (SEA)
Thu, 10/21 - Tue, 10/26
United Airlines - Roundtrip, Economy
$92
Portland, OR (PDX) Seattle, WA (SEA)
Sat, 11/20 - Sun, 11/21
Alaska Airlines - Roundtrip, Economy
$97
Sacramento, CA (SAC) Seattle, WA (SEA)
Tue, 10/5 - Tue, 10/12
Alaska Airlines - Roundtrip, Economy
$97
Los Angeles, CA (LAX) Seattle, WA (SEA)
Sat, 12/4 - Sun, 12/5
United Airlines - Roundtrip, Economy
$100
Minneapolis, MN (MSP) Seattle, WA (SEA)
Tue, 10/5 - Tue, 10/12
Alaska Airlines - Roundtrip, Economy
$113
Medford, OR (MFR) Seattle, WA (SEA)
Wed, 10/6 - Wed, 10/13
Alaska Airlines - Roundtrip, Economy
$117
*Prices are based on round trip travel with returns between 1-21 days after departure. These are the best fares found by travelers who searched Tripadvisor and a select group of our fare search partners in the past 72 hours. Ticket prices and seat availability change rapidly and cannot be guaranteed.

Flight stats for Cosmopolis - did you know?

  • Cosmopolis is 76 mi from Seattle-Tacoma Intl Airport (Seattle, WA).
  • Seattle-Tacoma Intl Airport (Seattle, WA)
    • Right now, 53 airlines operate out of Seattle-Tacoma Intl Airport.
    • Seattle-Tacoma Intl Airport offers nonstop flights to 98 cities.
    • Every week, at least 5,132 domestic flights and 270 international flights depart from Seattle-Tacoma Intl Airport.
Show more