MCI - SEA

Find Cheap Flights from Kansas City to Seattle

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Kansas City to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Kansas City to Seattle, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Kansas City to Seattle (MCI-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Kansas City to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Kansas City to Seattle

Multiple Airlines Logo
MCI-SEA
1485 mimulti-stop
Multiple Airlines Logo
SEA-MCI
1485 mimulti-stop
Multiple Airlines
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Everything you should know

Our travellers' advice
AI-generated summary based on content written by travel experts
Delta offers free Wi-Fi for SkyMiles members.
MCI's new terminal design simplifies navigation.
Expert advice
Expert advice
Expert advice
Expert advice
When to book
4 weeks
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 60% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 24% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
Multiple Airlines
Mon 13/10
MCI - SEA • multi-stop
Cheapest one-way flight
Multiple Airlines
Mon 13/10
MCI - SEA • multi-stop
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Booking Insights

KAYAK's insights & trends for Kansas City to Seattle flights

Get data-powered insights and trends into flights from Kansas City to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Kansas City to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Kansas City to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Kansas City to Seattle is January, where tickets cost £192 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is £323 and £312 respectively.

How far in advance should I book a flight from Kansas City to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Kansas City to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Kansas City to Seattle, you should book around 4 weeks before departure, which saves you about 60% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

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Expert advice

Expert advice for your flight from Kansas City to Seattle

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Alaska Airlines

Alaska Airlines' 20-minute baggage guarantee offers compensation if bags are delayed beyond 20 minutes.


Alaska Airlines' Premium Class offers extra legroom and complimentary drinks on flights over 350 miles.

Read more about Alaska Airlinesby Harriet Baskas
Delta

Delta offers free Wi-Fi for SkyMiles members on domestic flights, enhancing productivity and connectivity.


Delta's Sky Priority check-in speeds up the process for elite status holders and premium cabin passengers.

Read more about Deltaby Stefanie Waldek
Airports
MCI

MCI's new terminal design makes navigation easy, with security right behind check-in leading directly to gates. Arrive two hours early to enjoy local eateries.

Read more about MCIby John Walton
SEA

At SEA, the Link light rail offers a cost-effective 40-minute ride to downtown Seattle, avoiding high ride-hailing fares and traffic delays.

Read more about SEAby Harriet Baskas
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, The Points Guy, and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more
John Walton

John Walton

Expert on MCI

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

Good to know - Cheap tickets from Kansas City to Seattle

Low seasonJanuary
Best time to beat the crowds (24% less expensive on average)
Most popular time to fly (23% more expensive on average)

When to book flights from Kansas City to Seattle

Are your dates flexible? Find out the best times to travel from Kansas City to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Kansas City to Seattle

  • How can I fly between MCI and SEA?

    American Airlines, Alaska Airlines, and Delta all fly nonstop flights between Kansas City and Seattle. Delta flies a one-stop flight between Kansas City and Seattle. This flight tends to stop in Salt Lake City (SLC).

  • Are there any designated areas at MCI for nursing mothers?

    MCI offers two nursing rooms at Terminal C, inside the departure lounges. One of these is inside the United departure lounge. The other is inside the holding room serving Alaska, American, Frontier, and Spirit. These rooms are big enough to fit one family. They feature comfortable seating, large changing and washing areas, adjustable lighting, a toddler toy, and a lockable door. There are also family restrooms in both terminals before security. These are larger restrooms with a lockable door that have changing stations and space for a stroller.

  • Where can I park my car long-term at MCI?

    Economy parking lots at the airport are an affordable option. Free shuttle service will take you to your terminal, and these shuttle buses depart approximately every 20min. Economy lots B and C offer charging stations for electrical vehicles. All shuttles between the parking lots and the terminals are wheelchair accessible.

  • How do I get from SEA airport into downtown Seattle on public transit?

    To get from SEA to the city center of Seattle on public transit, you can take the #1 Light Rail from the Light Rail Station near the fourth floor of the SEA parking garage. This train will take you to various locations throughout Seattle.

  • Which airlines offer Wi-Fi service onboard planes from Kansas City to Seattle?

    Alaska Airlines, Hawaiian Airlines, Delta, and American Airlines offer inflight Wi-Fi service on the Kansas City to Seattle flight route.

  • Which aircraft models fly most regularly from Kansas City to Seattle?

    The Boeing 737 is the aircraft model that flies most regularly on the Kansas City to Seattle flight route.

  • On which days can I fly direct from Kansas City to Seattle?

    There are direct flights from Kansas City to Seattle on a daily basis.

  • How does KAYAK find such low prices on flights from Kansas City to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kansas City to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kansas City to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Kansas City is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Kansas City to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Seattle with an airline and back to Kansas City with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kansas City to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Kansas City up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Kansas City to Seattle

  • Looking for a cheap flight from Seattle to Kansas City? 25% of our users found flights on this route for £156 or less one-way.
  • To ease the kinks out of your neck, back, and legs once you arrive at the Seattle-Tacoma International Airport (SEA), consider visiting the spa terminal getaway on Concourse A, near Gate A5.
  • Kansas City International Airport (MCI) provides animal relief areas outside, at each end of the B and C Terminals. These areas are before security, so make sure your service animal or pet goes before you enter the airport. These grassy strips have plastic bag dispensers and trash cans so that you can pick them up after your pet. Inside the terminal, past security, there is one animal relief area in Terminal C. Passengers on American, Alaska, Frontier, and Spirit all have access to this room.
  • If you would like to stay near MCI before your flight, there are several affordable hotels in the area that offer shuttle service to the airport. Some of these hotels include Candlewood Suites Kansas City Airport, Comfort Inn Kansas City International Airport, and Drury Inn & Suites Kansas City Airport.
  • At MCI, volunteer Airport Ambassadors dressed in brick-red blazers are available throughout the airport to give warm greetings to travelers. They also helpfully answer any questions about transportation, dining, shopping, hotels, and points of interest in the area.
  • Active members of the US military and their family members can visit the USO lounge for some time to regroup after the flight. At the USO, you'll find places to sleep, showers, a free snack bar, travel assistance and information, a big screen TV, internet access, a library, children's toys, games, books, and Xbox games. The USO is on the mezzanine level above Checkpoint 3. This lounge is open on Mondays, Wednesdays, and Saturdays between 8 am and 4 am. On Thursdays, the lounge is open between 8 am and midnight. The lounge is closed Tuesdays, Fridays, and Sundays.

Prefer to fly direct from Kansas City to Seattle?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Kansas City to Seattle/Tacoma Intl.
Find which airlines fly direct from Kansas City Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Kansas City to Seattle/Tacoma Intl

Monday

Alaska Airlines, Delta

Alaska Airlines, Delta

Tuesday

Alaska Airlines, Delta

Alaska Airlines, Delta

Wednesday

Alaska Airlines, Delta

Alaska Airlines, Delta

Thursday

Alaska Airlines, Delta

Alaska Airlines, Delta

Friday

Alaska Airlines, Delta

Alaska Airlines, Delta

Saturday

Alaska Airlines, Delta

Alaska Airlines, Delta

Sunday

Alaska Airlines, Delta

Alaska Airlines, Delta

See more direct flights

Direct returns

Seattle/Tacoma Intl to Kansas City

Monday

Alaska Airlines, Delta

Alaska Airlines, Delta

Tuesday

Alaska Airlines, Delta

Alaska Airlines, Delta

Wednesday

Alaska Airlines, Delta

Alaska Airlines, Delta

Thursday

Alaska Airlines, Delta

Alaska Airlines, Delta

Friday

Alaska Airlines, Delta

Alaska Airlines, Delta

Saturday

Alaska Airlines, Delta

Alaska Airlines, Delta

Sunday

Alaska Airlines, Delta

Alaska Airlines, Delta

See more direct flights

Everything you need to know for your flight from Kansas City to Seattle

Information on your arrival and departure airports

Kansas City (MCI)
Seattle (SEA)

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