Cheap flights from Kansas City to Seattle (MKC - SEA)
MKC — SEA
Jan 17 — Jan 241
1 adult, Economy
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Find cheap flights from Kansas City to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from Kansas City to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MKC) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Popular in | July |
Cheapest in | April |
Average price | $327 |
Good round-trip deal | $330 or less |
Good one-way deal | $197 or less |
Compare providers for flights from Kansas City to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kansas City to Seattle in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kansas City-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kansas City-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Kansas City-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kansas City-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kansas City-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Kansas City to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Kansas City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Kansas City to Seattle
What is the cheapest month to book a flight from Kansas City to Seattle?
Currently, April is the cheapest month in which you can book a flight from Kansas City to Seattle (average of $121). Flying from Kansas City to Seattle in July is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MKC to SEA?
Find hourly flight availability from Kansas City to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.
One of the essential ways to save on airfare from Kansas City to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 21% on airfare.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated December 18, 2025.
See what other customers who have flown with Alaska Airlines from Kansas City to Seattle have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Crew
8.5
Overall
8.0
Boarding
8.1
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Entertainment
7.0
Crew
8.5
Overall
8.0
Boarding
8.1
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from Kansas City to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsTacoma
SeaTac
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Ocean Shores
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Puyallup
Kirkland
Kent
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Alternative routes for Kansas City to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Kansas City to Seattle
Discover the top airline that operate flights from Kansas City to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$407 | FlexibilityNo cancel fee | On-time75% |