$111 Cheap Flights from Seattle (SEA) to Kansas City (MCI)

You can find cheap one-way flights from $111 and cheap return flights from $299 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) with Expedia. One-way flights generally range between $142 and $789, and roundtrip flights usually range from $323 to $1351. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

January is the cheapest month to fly from Seattle, WA (SEA) to Kansas City, MO (MCI), with average round-trip fares around $314. This is about 21% lower than the average price throughout the year, as travel demand typically decreases after the holiday season. Other budget-friendly months include February and September.*Averages based on flights available on Expedia in the last year.

2 airlines operate nonstop service from SEA to MCI:

• Delta operates around 7 direct flights from SEA to MCI every week
• Hawaiian Airlines operates around 9 direct flights from SEA to MCI every week

Sun Country Airlines is one of the cheapest airlines offering connecting flights from Seattle, WA (SEA) to Kansas City, MO (MCI), with round-trip tickets starting from around $339. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.

For flights from Seattle to Kansas City, January and September are the best months to travel, with return flights averaging around $314. January is ideal for escaping the winter blues, while September offers a pleasant climate and vibrant local events, making it a great time to visit.*Prices based on flights available on Expedia in the last year.

First class is available on flights from SEA to MCI. First class cabins are available on:

• American Airlines
• Delta Air Lines
• United Airlines

A direct, return business class ticket from Seattle, WA (SEA) to Kansas City, MO (MCI) typically costs between $1,119 - $1,695. A non-stop, one-way business class flight is usually around $668 - $778. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.

It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.