Trip.com
>
Flights
>
Flights to United States
>
Flights to Missouri
>
Flights to Kansas City
Hotels in Kansas City
>
Flights from Seattle to Kansas City

Hi, I've summed up all the key info for Seattle to Kansas City flights

Cheapest one-way

$ 87
Frontier Airlines Mon, Oct 5

68% below next 30d avg. ($269)

Cheapest round-trip

$ 235
Frontier Airlines Wed, Sep 23

52% below next 30d avg. ($488)

When to travel

November Cheapest month
July Peak month

Fastest flight

3h 32m 3m faster than avg. (3h 35m)

Recommended airlines

With a lowest one-way fare of $87 , travelers can expect an average price of $269 for upcoming trips, while round-trip tickets start at $235 . Flights typically take around 3h 35m , but the fastest nonstop option completes the journey in just 3h 32m minutes. There are 27 flights weekly on this route. You can arrive at any of the following airports in Kansas City: Kansas City International Airport (MCI) , and Charles B. Wheeler Downtown Airport (MKC) . Flights from Seattle-Tacoma International Airport to Kansas City International Airport (SEA-MCI) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 3d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Seattle to Kansas City over the next 90 days, with one-way fares from $87 and round-trip from $235. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 6:27 PM
        3h 32m
        Nonstop
        MCI 11:59 PM
        Seattle - Kansas City | Sat, Oct 3 | Alaska Airlines
        MCI 3:17 PM
        4h 3m
        Nonstop
        SEA 5:20 PM
        Kansas City - Seattle | Sat, Oct 10 | Alaska Airlines
        $339 $365
        7% off
        7% off
        $365 $339
      • SEA 4:27 PM
        25h 10m
        1 stop
        MCI 7:37 PM
        Seattle - Kansas City | Wed, Sep 23 | Frontier Airlines
        MCI 8:32 PM
        20h 36m
        1 stop
        SEA 3:08 PM
        Kansas City - Seattle | Mon, Sep 28 | Frontier Airlines
        $235 $365
        36% off
        36% off
        $365 $235
      • SEA 4:27 PM
        25h 10m
        1 stop
        MCI 7:37 PM
        Seattle - Kansas City | Thu, Sep 24 | Frontier Airlines
        MCI 8:32 PM
        20h 36m
        1 stop
        SEA 3:08 PM
        Kansas City - Seattle | Mon, Sep 28 | Frontier Airlines
        $240 $365
        34% off
        34% off
        $365 $240
      • SEA 4:27 PM
        25h 10m
        1 stop
        MCI 7:37 PM
        Seattle - Kansas City | Fri, Sep 18 | Frontier Airlines
        MCI 8:32 PM
        20h 36m
        1 stop
        SEA 3:08 PM
        Kansas City - Seattle | Mon, Sep 21 | Frontier Airlines
        $273
        25% off
        $365 $273
      • SEA 9:45 PM
        22h
        1 stop
        MCI 9:45 PM
        Seattle - Kansas City | Thu, Sep 17 | Frontier Airlines
        MCI 8:32 PM
        20h 36m
        1 stop
        SEA 3:08 PM
        Kansas City - Seattle | Sun, Sep 20 | Frontier Airlines
        $277
        24% off
        $365 $277
      • SEA 4:27 PM
        25h 21m
        1 stop
        MCI 7:48 PM
        Seattle - Kansas City | Wed, Oct 7 | Frontier Airlines
        MCI 1:37 PM
        22h 11m
        1 stop
        SEA 9:48 AM
        Kansas City - Seattle | Sun, Oct 11 | Frontier Airlines
        $309
        15% off
        $365 $309
      • SEA 4:27 PM
        25h 10m
        1 stop
        MCI 7:37 PM
        Seattle - Kansas City | Mon, Sep 28 | Frontier Airlines
        MCI 8:32 PM
        20h 36m
        1 stop
        SEA 3:08 PM
        Kansas City - Seattle | Mon, Oct 5 | Frontier Airlines
        $318
        13% off
        $365 $318
      • SEA 9:45 PM
        22h
        1 stop
        MCI 9:45 PM
        Seattle - Kansas City | Sat, Oct 3 | Frontier Airlines
        MCI 12:40 PM
        5h 50m
        1 stop
        SEA 4:30 PM
        Kansas City - Seattle | Sat, Oct 10 |
        $325
        11% off
        $365 $325
      • SEA 6:27 PM
        3h 32m
        Nonstop
        MCI 11:59 PM
        Seattle - Kansas City | Thu, Sep 17 | Alaska Airlines
        MCI 10:30 PM
        13h 12m
        1 stop
        SEA 9:42 AM
        Kansas City - Seattle | Sun, Sep 20 | Frontier Airlines
        $333
        9% off
        $365 $333
      • SEA 1:00 PM
        17h 25m
        1 stop
        MKC 2:00 PM
        Seattle - Kansas City | Mon, Sep 14 | Normal Airline
        MKC 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Kansas City - Seattle | Wed, Sep 16 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SEA 6:27 PM
        3h 32m
        Nonstop
        MCI 11:59 PM
        Seattle - Kansas City | Fri, Oct 2 | Alaska Airlines
        $145 $156
        7% off
        7% off
        $156 $145
      • SEA 6:27 PM
        3h 32m
        Nonstop
        MCI 11:59 PM
        Seattle - Kansas City | Sun, Oct 11 | Alaska Airlines
        $145 $156
        7% off
        7% off
        $156 $145
      • SEA 4:27 PM
        25h 10m
        1 stop
        MCI 7:37 PM
        Seattle - Kansas City | Mon, Oct 5 | Frontier Airlines
        $87 $156
        44% off
        44% off
        $156 $87
      • SEA 4:27 PM
        25h 20m
        1 stop
        MCI 7:47 PM
        Seattle - Kansas City | Fri, Oct 30 | Frontier Airlines
        $91
        42% off
        $156 $91
      • SEA 4:27 PM
        25h 21m
        1 stop
        MCI 7:48 PM
        Seattle - Kansas City | Fri, Oct 23 | Frontier Airlines
        $91
        42% off
        $156 $91
      • SEA 4:27 PM
        25h 20m
        1 stop
        MCI 7:47 PM
        Seattle - Kansas City | Fri, Nov 6 | Frontier Airlines
        $91
        42% off
        $156 $91
      • SEA 4:27 PM
        25h 20m
        1 stop
        MCI 7:47 PM
        Seattle - Kansas City | Mon, Nov 9 | Frontier Airlines
        $105
        33% off
        $156 $105
      • SEA 4:27 PM
        25h 10m
        1 stop
        MCI 7:37 PM
        Seattle - Kansas City | Fri, Oct 2 | Frontier Airlines
        $113
        28% off
        $156 $113
      • SEA 4:27 PM
        25h 10m
        1 stop
        MCI 7:37 PM
        Seattle - Kansas City | Tue, Sep 29 | Frontier Airlines
        $115
        26% off
        $156 $115
      • SEA 4:27 PM
        26h 20m
        1 stop
        MCI 7:47 PM
        Seattle - Kansas City | Sat, Oct 31 | Frontier Airlines
        $121
        22% off
        $156 $121
      • SEA 9:45 PM
        13h 10m
        1 stop
        MCI 12:55 PM
        Seattle - Kansas City | Wed, Oct 7 | Frontier Airlines
        $127
        19% off
        $156 $127
      • SEA 7:41 PM
        15h 41m
        1 stop
        MCI 1:22 PM
        Seattle - Kansas City | Tue, Oct 13 | Frontier Airlines
        $131
        16% off
        $156 $131
      • SEA 1:00 PM
        17h 25m
        1 stop
        MKC 2:00 PM
        Seattle - Kansas City | Mon, Sep 14 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from Seattle to Kansas City operate an average of 11 times per day over the past 7 days, with a 28.8% on-time departure rate and a 82.5% on-time arrival rate.

Which airlines are the most popular for Seattle to Kansas City flights?

The most popular airlines flying from Seattle to Kansas City are Alaska Airlines, Frontier Airlines, and American Airlines, among 3 carriers on this route. Frontier Airlines offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Alaska Airlines logo Alaska Airlines
Frontier Airlines logo Frontier Airlines
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from Seattle to Kansas City according to previous 12 months data from Trip.com.

Flight Info | Seattle to Kansas City

The distance between Seattle and Kansas City is approximately 2,411.06 km. It takes around 3 hours 35 minutes on average to fly from Seattle to Kansas City. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price $87
Cheapest round-trip ticket price $235
Off-season for travel November
Peak season for travel July
Flight distance 2,411.06 km
Average flight time 3 hours 35 minutes
Popular airline Alaska Airlines
Frequency ～14/week
Flight statistics for the Seattle–Kansas City route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Seattle to Kansas City

Which month has the cheapest one-way flights from Seattle to Kansas City?

The average price of one-way flights from Seattle to Kansas City purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Seattle to Kansas City is January, with an average price of $123; while the month with the highest flight price is usually June, with an average price of up to $406.

$406
$265
$123
0
    Cheapest
  • $230
    Sep
  • $335
    Oct
  • $199
    Nov
  • $243
    Dec
  • $123
    Jan
  • $329
    Feb
  • $214
    Mar
  • $246
    Apr
  • $307
    May
  • $406
    Jun
  • $235
    Jul
  • $318
    Aug

When is the cheapest day to fly from Seattle to Kansas City during Columbus Day?

Data is based on the lowest one-way price from Seattle to Kansas City during Columbus Day on Trip.com in the past 3 days.

Columbus Day is scheduled for Oct 12. The cheapest flights from Seattle to Kansas City are available on Oct 12, with fares starting at $100.

$193
$147
$100
$54
    Cheapest
  • $135
    8
    Oct
  • $104
    9
  • $193
    10
  • $193
    11
  • $100
    12
  • $189
    13
  • $192
    14

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Kansas City (SEA-MKC)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $87 on Cheapest nonstop routes (e.g. SEA to MCI on Mon, Oct 5), while Frontier Airlines offers Cheapest nonstop round-trips from $235 departing on Wed, Sep 23 and returning on Mon, Sep 28.
  • At the moment, you can catch a nonstop flight from Seattle to Kansas City with the following airlines, including: Alaska Airlines American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 3 hours 34 minutes to fly from Seattle (SEA) to Kansas City (MKC).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Kansas City is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 27 flight per week flying from Seattle to Kansas City. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS501 (08:38) American Airlines: S/M/T/W/T/F/S -- AA7573 (08:38)
  • To find best deals on flights from Seattle to Kansas City, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Oct 5, with one-way flights priced at just $87.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Kansas City travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Kansas City is November, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Seattle to Kansas City on September 30, 2026 with Frontier Airlines, with prices starting at $148.
  • You can arrive at any of the following airports in Kansas City: Kansas City International Airport (MCI), and Charles B. Wheeler Downtown Airport (MKC). Flights from Seattle-Tacoma International Airport to Kansas City International Airport (SEA-MCI) are by far the most popular option for this route.
  • The time difference between Kansas City and Seattle is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seattle to Kansas City is $269. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Seattle to Kansas City is $488. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Seattle and Kansas City, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • Frontier Airlinesare the most popular budget airlines flying from Seattle to Kansas City. Check baggage, seat and payment fees before comparing the final price.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.