S$140 Cheap Flights from Kansas City to Seattle

View S$140 flight on Sat, 13 Sep, 2025Opens in a new window

Popular airlines from Kansas City International Airport (MCI) to Seattle-Tacoma International Airport (SEA)

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

Prices were available within the past 7 days and start at S$140 for one-way flights and S$923 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 29 Jul - Fri, 1 Aug
MCI
Kansas City
SEA
Seattle
S$923 Return, found 3 days ago
S$923
Return
found 3 days ago
Select American Airlines flight, departing Tue, 29 Jul from Kansas City to Seattle, returning Fri, 1 Aug, priced at S$923 found 3 days ago
United
Tue, 29 Jul - Fri, 1 Aug
MCI
Kansas City
SEA
Seattle
S$923 Return, found 3 days ago
S$923
Return
found 3 days ago
Select United flight, departing Tue, 29 Jul from Kansas City to Seattle, returning Fri, 1 Aug, priced at S$923 found 3 days ago
Delta
Tue, 29 Jul - Fri, 1 Aug
MCI
Kansas City
SEA
Seattle
S$924 Return, found 3 days ago
S$924
Return
found 3 days ago
Select Delta flight, departing Tue, 29 Jul from Kansas City to Seattle, returning Fri, 1 Aug, priced at S$924 found 3 days ago
United
Tue, 29 Jul - Fri, 1 Aug
MCI
Kansas City
SEA
Seattle
S$936 Return, found 3 days ago
S$936
Return
found 3 days ago
Select United flight, departing Tue, 29 Jul from Kansas City to Seattle, returning Fri, 1 Aug, priced at S$936 found 3 days ago
Delta
Tue, 29 Jul - Fri, 1 Aug
MCI
Kansas City
SEA
Seattle
S$936 Return, found 3 days ago
S$936
Return
found 3 days ago
Select Delta flight, departing Tue, 29 Jul from Kansas City to Seattle, returning Fri, 1 Aug, priced at S$936 found 3 days ago
Delta
Tue, 29 Jul - Fri, 1 Aug
MCI
Kansas City
SEA
Seattle
S$949 Return, found 3 days ago
S$949
Return
found 3 days ago
Select Delta flight, departing Tue, 29 Jul from Kansas City to Seattle, returning Fri, 1 Aug, priced at S$949 found 3 days ago
American Airlines
Tue, 29 Jul - Fri, 1 Aug
MCI
Kansas City
SEA
Seattle
S$987 Return, found 3 days ago
S$987
Return
found 3 days ago
Select American Airlines flight, departing Tue, 29 Jul from Kansas City to Seattle, returning Fri, 1 Aug, priced at S$987 found 3 days ago
United
Tue, 29 Jul - Fri, 1 Aug
MCI
Kansas City
SEA
Seattle
S$988 Return, found 3 days ago
S$988
Return
found 3 days ago
Select United flight, departing Tue, 29 Jul from Kansas City to Seattle, returning Fri, 1 Aug, priced at S$988 found 3 days ago
United
Tue, 29 Jul - Fri, 1 Aug
MCI
Kansas City
SEA
Seattle
S$988 Return, found 3 days ago
S$988
Return
found 3 days ago
Select United flight, departing Tue, 29 Jul from Kansas City to Seattle, returning Fri, 1 Aug, priced at S$988 found 3 days ago
American Airlines
Tue, 29 Jul - Fri, 1 Aug
MCI
Kansas City
SEA
Seattle
S$999 Return, found 3 days ago
S$999
Return
found 3 days ago
Select American Airlines flight, departing Tue, 29 Jul from Kansas City to Seattle, returning Fri, 1 Aug, priced at S$999 found 3 days ago

Find the cheapest month to fly from Kansas City (MCI) to Seattle (SEA)

November is typically the cheapest month to fly

From S$164 - S$535 per traveller.

Graph displaying average flight prices per month

Kansas City to Seattle route information
Origin airport
Kansas City Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
S$922
Distance
2376 km
Average flight time
1 hour 57 mins

Perfect flights from Kansas City to Seattle

Your Journey from Kansas City to Seattle

Start your unforgettable journey with Expedia. Our broad selection of flights from Kansas City to Seattle caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, United, Alaska Airlines. Our selection of flights from Kansas City Intl. to Seattle - Tacoma Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Kansas City to Seattle Flights

Experience the joy of finding cheap flights from Kansas City Intl. to Seattle - Tacoma Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$140 and roundtrip prices from S$923*.
 

Pre-Flight Essentials

Ensure a smooth journey from Kansas City to Seattle with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Seattle

Picture yourself stepping off the plane in Seattle and immersing yourself in the unique atmosphere of Seattle. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Kansas City to Seattle Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Kansas City to Seattle.
 

Beyond the Flight – Exploring Seattle

With Expedia, your adventure extends beyond the flight. Explore Seattle at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Kansas City to Seattle with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Kansas City to Seattle with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Kansas City Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)?
The lowest price advertised for a round-trip journey from Kansas City Intl. Airport (MCI) to Seattle - Tacoma Intl. Airport (SEA) is S$923. But you better act soon. This figure is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from MCI to SEA?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from MCI to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Kansas City Intl. Airport to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Kansas City Intl. Airport (MCI) to SEA?
Around 2,400 kilometres separates Kansas City and SeaTac, so pack something to keep you busy for a few hours. That latest bestseller you haven't had time to start will be just the ticket.
Which airlines fly direct from Kansas City Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)?
Alaska Airlines (AS) is a top option. It offers 43 flights from Kansas City Intl. Airport to SEA each month. Another carrier operating on this route is Delta Air Lines (DL). You'll have 30 flights each month to take your pick of.
Are MCI to SEA flight tickets cheaper when they're purchased at the last minute?
Booking last minute from MCI to Sea-Tac Airport can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out altogether! If you'd prefer to start your travel planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines publish their prices so far in advance. Our top tip? Check back often as prices are updated regularly.

Explore a world of travel with Expedia

*Available to Expedia members.