Cheap flights from Kansas City to Seattle from $65
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to Seattle departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Kansas City to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
In general, January is the cheapest month to fly from Kansas City to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $257. If you don’t want to visit Seattle in January, then you should wait until April to fly from Kansas City, when ticket prices are also cheap, with an average price of $267.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Kansas City is on a Thursday. momondo users have found tickets for Thursday departures for as low as $453. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Kansas City because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $573.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Kansas City in the evening is the least expensive time of day to depart. momondo users have found prices as low as $468 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $513. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Kansas City to Seattle/Tacoma Intl flight route?
Fly from Kansas City to Seattle/Tacoma Intl for the best Kansas City - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Kansas City when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $330 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Kansas City for as low as $270 on momondo.
What cabin class options are available on Kansas City to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Kansas City to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Kansas City to Seattle flights?
You could potentially save up to 26% on your flight if you consider stops on a Kansas City to Seattle flight.
How have Kansas City to Seattle flight prices changed over time?
As of June 2025, prices for Kansas City to Seattle flights are approximately 17% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Kansas City to Seattle/Tacoma Intl?
Alaska Airlines, American Airlines, and Frontier are the most popular carriers operating from Kansas City to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Kansas City according to our data. Alaska Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Kansas City to Seattle on average per day?
As of June 2025, there are 9 flights per day flying from Kansas City to Seattle. The most common time of day flights depart is 7:00AM, with 55% of flights taking off at noon.
How many flights depart from Kansas City to Seattle on average per week?
The number of flights available between Kansas City and Seattle is 69 per week as of June 2025. The most frequent departure day is Thu, with 23% of weekly flights leaving on this day.
When to book flights from Kansas City to Seattle
Cheap Kansas City to Seattle (MCI to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Kansas City to Seattle
How far is Kansas City to Seattle/Tacoma Intl by plane?
Kansas City and Seattle/Tacoma Intl are 1503.6 mi apart from one another. In terms of flight time, this usually takes a little over 3h 50m.
When did momondo last update prices for flights from Kansas City Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Kansas City Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Kansas City Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Kansas City Airport to Seattle/Tacoma Intl Airport is 8 as of June 2025.
How old do you have to be to fly from Kansas City Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Kansas City to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Kansas City to Seattle is Boeing 737-900 Passenger/BBJ3 (winglets), representing 22.14% of all bookings. The subsequent popular models are Boeing 737 at 20.85%, Airbus A220-100 at 18.65%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 16.95%.
What is the most popular airline from Kansas City to Seattle?
Based on momondo bookings for flights between Kansas City and Seattle, the leading airline is Alaska Airlines, making up 55% of the total bookings. Other popular airlines include Delta with 23%, Hawaiian Airlines with 7%, and American Airlines with 5%.
Best airlines flying from Kansas City to Seattle
Compare and see reviews for airlines that fly from Kansas City to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $118 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $136 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $146 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $149 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $214 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $275 | Free Cancellation | Rating 8.0 4,287 reviews |
Delta Flights From Kansas City to Seattle
Delta operates around 7 flights from Kansas City to Seattle every week. The average price of these flights found in the last 72 hours has been $319, but momondo users have found Delta deals from Kansas City to Seattle from as low as $146 round-trip. Delta has been scored 8.0/10 in 7,950 reviews.
Alaska Airlines Flights From Kansas City to Seattle
Another popular option for Kansas City to Seattle flights is Alaska Airlines (8.0/10, 10,000 ratings). Alaska Airlines flies from Kansas City to Seattle around 6 times per week, with deals starting from $216 round-trip and rising to an average price of around $368.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Kansas City to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Kansas City to Seattle for you.
Can I find flights from Kansas City to Seattle with flexible booking policies on momondo?
Yes. All flights to Seattle from Kansas City on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Kansas City to Seattle?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Kansas City.
I’m not ready to book a flight from Kansas City to Seattle right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Kansas City to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.