Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Kansas City to Seattle
The cheapest flights right now
Kansas City – Seattle
Outbound – Nov 6, 2026
direct
4h 4m Return – Nov 14, 2026
direct
3h 33m $598
2 days ago
Kansas City – Seattle
Outbound – Nov 6, 2026
direct
4h 9m Return – Nov 13, 2026
direct
3h 40m $499
2 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$269
Average price of a round trip
$356
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
4h1
A flight from Kansas City to Seattle takes on average 4h1.
Best time
August
According to user searches, the ideal month to go to Seattle is August.
The best flight deals for a week
Kansas City – Seattle
Outbound – Nov 6, 2026
direct
4h 4m Return – Nov 14, 2026
direct
3h 33m $598
2 days ago
Kansas City – Seattle
Outbound – Nov 6, 2026
direct
4h 9m Return – Nov 13, 2026
direct
3h 40m $499
2 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Kansas City to Seattle
Check out our tips for booking your flight to Seattle (USA) from Kansas City (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is September, with an average flight ticket price of $316 (calculation over the last two years). The most touristic season corresponds to the months of October, May and December.
For the cheapest flights, it is advisable to buy your ticket at least 21 days before the departure date.
The airline offering the cheapest flight tickets is Alaska Airlines. A ticket from the airline Alaska Airlines to Seattle costs on average $381.
The airlines that offer the most flights are Alaska Airlines and Alaska Airlines.
Price of flight tickets from Kansas City to Seattle
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $269 to $426
- The average price of a flight ticket is about $356
- Prices are lowest for stays in the month of September
- The month in which booking a ticket is cheaper is: October
info departure city :
Kansas City, USA
airport :
Kansas City International Airport (MCI)
local time :
Kansas City is a city in the country USA, the time zone is [[timezone]]. In Kansas City, it is currently {fromLocalTime}, the temperature is on average 17°C, with a minimum of 11°C and a maximum of 23°C.
The city of Kansas City has 1 airport(s): Kansas City
destination info :
Seattle, USA
airports :
Kenmore Air Harbor Spb. (LKE)
Seattle-Tacoma International Airport (SEA)
Renton Municipal Airport (RNT)
King County International Airport (BFI)
local time :
Seattle is in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {toLocalTime}, the temperature is on average 15°C, with a minimum of 10°C and a maximum of 23°C.
The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County
Useful info about Seattle
What is the least touristic period to go to Seattle?
If you want to visit Seattle during the least touristic period, choose the month of August.
What is the most popular time to travel to Seattle?
In Seattle, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Kansas City to Seattle?
According to our data, it is recommended to book your flight 21 days before your departure. If you book your flight ticket 4 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Kansas City to Seattle is Friday.
What are the arrival and destination airports when traveling between Kansas City and Seattle?
When you leave, you can leave from Kansas City, and you will arrive at Seattle-Tacoma.
How to reach Kansas City airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Kansas City to Seattle?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Kansas City and Seattle?
In summer, the average temperature is 18°C in Seattle and 25°C in Kansas City. The average rainfall in summer is 38 mm in Seattle and 131 mm in Kansas City. In summer, it is warmer in Kansas City and it rains less in Seattle. In winter, it is colder in Seattle and it rains more in Seattle.
