MCI - SEA

$198 Find Cheap Flights from Kansas City to Seattle - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Kansas City to Seattle departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$368
Typical prices: $278-$469
Alaska Airlines, Frontier
Fri 10/2Mon 10/5
MCI - SEA • Non-stop
Cheapest non-stop
$370
Typical prices: $331-$470
Alaska Airlines
Sat 8/8Thu 8/13
MCI - SEA • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Delta offers free Wi-Fi for SkyMiles members on domestic Kansas City-Seattle flights.
Alaska's 20-minute baggage guarantee adds value; Premium Class brings extra legroom.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with Alaska Airlines, Delta and Southwest. Average duration is 3h 55m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg $296 (round-trip)
Shortest trip • 5h 53m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 57% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 33% price drop
Most popular
Good to know
Good to know
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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 round-trip 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 round-trip flight deals from Kansas City to Seattle

Fri, Oct 2 - Mon, Oct 5
Multiple Airlines Logo
7:00 am - 8:57 am
MCI
-
SEA
3h 57mnonstop
Multiple Airlines Logo
7:41 pm - 1:22 pm
SEA
-
MCI
15h 41m
1 stop
$368Multiple Airlines
Thu, Oct 22 - Mon, Oct 26
Frontier Logo
2:17 pm - 9:51 am
MCI
-
SEA
21h 34m
1 stop
Frontier Logo
7:41 pm - 1:22 pm
SEA
-
MCI
15h 41m
1 stop
$370Frontier
Fri, Aug 7 - Tue, Aug 11
Alaska Airlines Logo
7:58 pm - 9:58 pm
MCI
-
SEA
4h 00mnonstop
Alaska Airlines Logo
7:48 am - 1:21 pm
SEA
-
MCI
3h 33mnonstop
$371Alaska Airlines
Sun, Aug 16 - Sat, Aug 29
Delta Logo
7:15 am - 9:12 am
MCI
-
SEA
3h 57mnonstop
Delta Logo
5:30 pm - 11:02 pm
SEA
-
MCI
3h 32mnonstop
$372Delta
Fri, Aug 7 - Sat, Aug 15
Multiple Airlines Logo
1:45 pm - 9:04 am
MCI
-
SEA
21h 19m
1 stop
Multiple Airlines Logo
7:48 am - 1:21 pm
SEA
-
MCI
3h 33mnonstop
$373Multiple Airlines
Sat, Aug 1 - Sat, Aug 8
Frontier Logo
1:45 pm - 9:17 am
MCI
-
SEA
21h 32m
1 stop
Frontier Logo
2:22 pm - 1:00 pm
SEA
-
MCI
20h 38m
1 stop
$375Frontier
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
5:50 pm - 9:27 pm
MCI
-
SEA
5h 37m
1 stop
Multiple Airlines Logo
7:06 pm - 12:53 pm
SEA
-
MCI
15h 47m
1 stop
$376Multiple Airlines
Fri, Jul 31 - Fri, Aug 7
Southwest Logo
9:15 pm - 1:45 am
MCI
-
SEA
6h 30m
1 stop
Southwest Logo
8:20 pm - 10:15 am
SEA
-
MCI
11h 55m
1 stop
$377Southwest
Sat, Aug 15 - Mon, Aug 24
Multiple Airlines Logo
1:45 pm - 9:04 am
MCI
-
SEA
21h 19m
1 stop
Multiple Airlines Logo
6:27 pm - 11:59 pm
SEA
-
MCI
3h 32mnonstop
$378Multiple Airlines
Fri, Aug 7 - Mon, Aug 10
Multiple Airlines Logo
4:32 pm - 11:04 am
MCI
-
SEA
20h 32m
1 stop
Multiple Airlines Logo
6:27 pm - 11:59 pm
SEA
-
MCI
3h 32mnonstop
$379Multiple Airlines
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.

How much is a round-trip flight from Kansas City to Seattle?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Kansas City to Seattle departing in October.

What’s the cheapest day of the week to fly from Kansas City to Seattle?

The average price of all round-trip flights from Kansas City to Seattle clicked on KAYAK for each day over the last 12 months.

For Kansas City to Seattle, Thursday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Seattle back to Kansas City, the best deals are generally found on Thursday, with Monday being the most expensive.

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 February, where tickets cost $228 (return) on average. On the other hand, the most expensive months are July and May, where the average cost of round-trip tickets is $486 and $441 respectively.

Can I save money by flying with a layover from Kansas City to Seattle?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $463, prices are generally cheapest when you fly direct.

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 57% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Expert advice

Expert advice for your flight from Kansas City to Seattle

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

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, USA TODAY, 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.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

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 on the sea, likely en route to Antarctica or the Arctic.

John Walton

John Walton

Expert on MCI

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.

Good to know

Low seasonJanuary
Cheapest flight$198
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly with an average 42% increase in price.
Flight from Kansas City to Seattle

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 round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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.

  • What is the cheapest flight from Kansas City to Seattle?

    In the last 5 days, the lowest price for a flight from Kansas City to Seattle was $198 for a one-way ticket and $368 for a round-trip.

  • Do I need a passport to fly between Kansas City and Seattle?

    No, a passport isn't needed to fly from Kansas City to Seattle. However, local authorities might ask for an official ID.

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

    Alaska Airlines, JetBlue, Delta, Hawaiian Airlines, 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.

  • Which airline alliances offer flights from Kansas City to Seattle?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Kansas City and Seattle, with Star Alliance being the most commonly used for this route.

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

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

  • Which is the best airline for flights from Kansas City to Seattle, Alaska Airlines or Southwest?

    The two airlines most popular with KAYAK users for flights from Kansas City to Seattle are Alaska Airlines and Southwest. With an average price for the route of $415 and an overall rating of 7.9, Alaska Airlines is the most popular choice. Southwest is also a great choice for the route, with an average price of $360 and an overall rating of 7.9.

  • 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 round-trip ticket. You could then fly to Seattle with an airline and back to Kansas City with another airline. Booking your flights between Kansas City and SEA can sometimes prove cheaper using this method.

  • 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? 25% of our users found flights on this route for $255 or less one-way and $398 or less round-trip.
  • 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,Southwest

Alaska Airlines,Delta, +1 more

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,Southwest

Alaska Airlines,Delta, +1 more

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