
Popular airlines from Cosmopolis
Alaska Airlines
Delta
United
American Airlines
Southwest Airlines
Air Canada
Frontier Airlines
Today's featured flight deals from Cosmopolis
- Seattle (SEA) to Seoul (ICN).Hawaiian Airlines, nonstop.Departing on Wed, Dec 10 at 1:40pm from Seattle, arriving on Thu, Dec 11 at 6:35pm in Seoul.Returning on Fri, Dec 19 at 8:35pm from Seoul, arriving at 1:45pm in Seattle.Select Hawaiian Airlines flight departing on Wed, Dec 10 at 1:40pm from Seattle, returning on Fri, Dec 19 at 8:35pm from Seoul priced at $1,21340% less than typical$1,213
- Seattle (SEA) to Seoul (ICN).Korean Air, nonstop.Departing on Fri, Dec 26 at 11:00am from Seattle, arriving on Sat, Dec 27 at 3:55pm in Seoul.Returning on Thu, Jan 1 at 8:05pm from Seoul, arriving at 1:20pm in Seattle.Select Korean Air flight departing on Fri, Dec 26 at 11:00am from Seattle, returning on Thu, Jan 1 at 8:05pm from Seoul priced at $1,43135% less than typical$1,431
- Seattle (SEA) to Seoul (ICN).Delta, nonstop.Departing on Thu, Dec 25 at 11:30am from Seattle, arriving on Fri, Dec 26 at 4:30pm in Seoul.Returning on Thu, Jan 1 at 8:05pm from Seoul, arriving at 1:20pm in Seattle.Select Delta flight departing on Thu, Dec 25 at 11:30am from Seattle, returning on Thu, Jan 1 at 8:05pm from Seoul priced at $1,43235% less than typical$1,432
- Seattle (SEA) to Phoenix (PHX).Delta, nonstop.Departing on Tue, Dec 30 at 3:15pm from Seattle, arriving at 7:03pm in Phoenix.Returning on Sun, Jan 4 at 10:45pm from Phoenix, arriving on Mon, Jan 5 at 8:20am in Seattle.Select Delta flight departing on Tue, Dec 30 at 3:15pm from Seattle, returning on Sun, Jan 4 at 10:45pm from Phoenix priced at $30345% less than typical$303
- Seattle (SEA) to Phoenix (PHX).Southwest Airlines, nonstop.Departing on Tue, Dec 30 at 7:55pm from Seattle, arriving at 11:45pm in Phoenix.Returning on Sun, Jan 4 at 10:45pm from Phoenix, arriving on Mon, Jan 5 at 8:20am in Seattle.Select Southwest Airlines flight departing on Tue, Dec 30 at 7:55pm from Seattle, returning on Sun, Jan 4 at 10:45pm from Phoenix priced at $32740% less than typical$327
- Seattle (SEA) to Phoenix (PHX).Alaska Airlines, nonstop.Departing on Wed, Dec 17 at 1:54pm from Seattle, arriving at 5:49pm in Phoenix.Returning on Thu, Dec 25 at 6:06am from Phoenix, arriving at 8:25am in Seattle.Select Alaska Airlines flight departing on Wed, Dec 17 at 1:54pm from Seattle, returning on Thu, Dec 25 at 6:06am from Phoenix priced at $20750% less than typical$207
- Seattle (SEA) to San Diego (SAN).Delta, nonstop.Departing on Tue, Dec 30 at 7:15am from Seattle, arriving at 10:11am in San Diego.Returning on Sun, Jan 4 at 9:24pm from San Diego, arriving on Mon, Jan 5 at 8:25am in Seattle.Select Delta flight departing on Tue, Dec 30 at 7:15am from Seattle, returning on Sun, Jan 4 at 9:24pm from San Diego priced at $33135% less than typical$331
- Seattle (SEA) to San Diego (SAN).Delta, nonstop.Departing on Fri, Dec 26 at 9:55am from Seattle, arriving at 12:50pm in San Diego.Returning on Thu, Jan 1 at 6:30am from San Diego, arriving at 4:30pm in Seattle.Select Delta flight departing on Fri, Dec 26 at 9:55am from Seattle, returning on Thu, Jan 1 at 6:30am from San Diego priced at $30035% less than typical$300
- Seattle (SEA) to San Diego (SAN).Delta, nonstop.Departing on Fri, Dec 19 at 7:10am from Seattle, arriving at 10:08am in San Diego.Returning on Sun, Dec 28 at 11:16am from San Diego, arriving at 2:30pm in Seattle.Select Delta flight departing on Fri, Dec 19 at 7:10am from Seattle, returning on Sun, Dec 28 at 11:16am from San Diego priced at $34730% less than typical$347
Cheapest flights from Cosmopolis
These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Flights from Cosmopolis: Essential Travel Information
Cheapest flight from Cosmopolis | $48 (roundtrip) |
|---|---|
Best airlines to fly from Cosmopolis | Frontier Airlines, Alaska Airlines, Southwest Airlines, Delta, United, American Airlines |
Cheapest month to fly from Cosmopolis | January |
Cosmopolis IATA code | SEA |
Cosmopolis Country/State | Washington |
Airline ticket deals from Cosmopolis | $48 - $159 |
How to Find Cheap Flights from Cosmopolis, WA
How much is a flight from Cosmopolis?
This week, flights from Cosmopolis are available between $48 – $159.
How to find cheap flights from Cosmopolis?
Expedia makes it easy to compare cheap flights from Cosmopolis to many destinations. Check out excellent deals on domestic and international flights from Cosmopolis. Once you select an offer, use our filters and sort by “Price (Lowest)” to see some of the cheapest and suitable options.
How can I get the best deal on flights from Cosmopolis?
On Expedia, you have some of best airline ticket deals at your fingertips. Whether it’s a beach escape with your partner, a family vacation with your kids, or business trip with colleagues, these low airline ticket prices mean more savings for you. An excellent strategy for finding some of the best deals on flights from Cosmopolis is to be flexible with your dates. Within each offer, you can compare prices for similar timeframes using our “Show flexible dates” feature. Depending on your destination, direct flights from Cosmopolis may be more expensive. Airlines with strict bag policies or fees can also impact your costs.
What is the best airline to fly from Cosmopolis?
At Expedia, we give you all the available options from our reputable partners. Select the airline that best suits your preferences and membership loyalties. You can fly from Cosmopolis with: Frontier Airlines, Alaska Airlines, Southwest Airlines, Delta, United, American Airlines.
What is the best month to fly from Cosmopolis?
One of the cheapest times to fly from Cosmopolis airport(s) is January, based on the current list of flights available now. Prices on plane tickets vary considerably throughout the year due to availability and seasonal demand.
Are there any last-minute flights from Cosmopolis?
Expedia is the place to find last-minute flights from Cosmopolis, making it easy for you to compare prices on flights in the near future for different combinations of travel dates and from multiple airlines. We source some of the best deals for you and display some of the best offers available over the next 2 weeks.
Why book your ticket with Expedia?
Booking flights from Cosmopolis with Expedia is the obvious choice to get low prices, save money, and see more value from every dollar spent. We show you some of the best deals happening right now and provide a vast inventory of airlines and flight routes to choose from, so you can find some of the cheapest flights from Cosmopolis. You can customize your journey to your timeline, route preferences, budget, rewards programs, and more.
Can I change/cancel my flight?
Some flights can be changed or canceled, but fees and refunds will depend on the unique terms of your flight agreement. Airlines have different rules and restrictions for exchanging or refunding flights. For more information, go to your itinerary or visit our customer service portal. We recommend choosing flights with no change fees for the most flexibility. Filter by “Flexible change policies” to see flights with no change fees.
*Data specialists from both ARC and Expedia Group analysed ARC's global flight data to distil actionable information to help people save money on travel. While it's impossible to guarantee when to find the lowest prices, after examining the variables, we were able to observe trends. Analysis based on ARC, round-trip flight data between 1 October 2017 - 30 September 2018 for Economy and Premium cabin ATPs on a global basis.
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