$84+ Cheap flights from Seattle to Kansas City (SEA - MCI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MCI
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Kansas City 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.Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Kansas City are usually found in January or March, booked 31 days in advance, depart on a Tuesday or Thursday and return on a Thursday
Cheap flight deals from Seattle to Kansas City
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to Kansas CityExplore the most affordable flight options available from Seattle to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Seattle to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
1 stop25h 21m
Tue 11/178:43 pm -
1 stop20h 29m
Deal found 9/4![Frontier logo]()
$178
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:27 pm -
1 stop25h 21m
Sat 10/248:43 pm -
1 stop20h 29m
Deal found 9/4![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
1 stop25h 21m
Sun 11/88:43 pm -
1 stop20h 29m
Deal found 9/4![Frontier logo]()
$218
This Super.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
1 stop25h 21m
Sun 10/258:43 pm -
1 stop20h 29m
Deal found 9/6![Frontier logo]()
$234
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 pm -
Nonstop3h 36m
Sat 10/107:00 am -
Nonstop4h 04m
Deal found 9/6![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
1 stop25h 21m
Tue 11/172:52 pm -
Nonstop4h 04m
Deal found 9/4![Multiple Airlines logo]()
$239
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:45 pm -
1 stop21h 50m
Mon 10/58:32 pm -
1 stop20h 36m
Deal found 9/4![Frontier logo]()
$246
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 pm -
Nonstop3h 36m
Mon 10/56:05 pm -
1 stop6h 05m
Deal found 9/6![Delta logo]()
$247
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:45 pm -
1 stop22h 00m
Tue 10/68:32 pm -
1 stop20h 36m
Deal found 9/4![Frontier logo]()
$250
This Super.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:27 pm -
1 stop25h 21m
Fri 10/238:43 pm -
1 stop20h 29m
Deal found 9/7![Frontier logo]()
$251
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:30 am -
1 stop6h 00m
Fri 11/65:30 am -
1 stop7h 00m
Deal found 9/6![Southwest logo]()
$252
Best flights from Seattle to Kansas CityDiscover carefully curated flight deals from Seattle to Kansas City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Seattle to Kansas City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 pm -
Nonstop3h 36m
Wed 10/77:00 am -
Nonstop4h 04m
Deal found 9/4![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:40 pm -
1 stop12h 40m
Sun 10/185:55 am -
1 stop7h 00m
Deal found 9/5![Southwest logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 pm -
Nonstop3h 29m
Wed 11/112:52 pm -
Nonstop4h 04m
Deal found 9/6![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:55 pm -
Nonstop3h 36m
Sun 10/187:00 am -
Nonstop4h 04m
Deal found 9/5![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:54 pm -
Nonstop3h 33m
Fri 11/277:05 am -
1 stop10h 04m
Deal found 9/5![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:10 pm -
1 stop8h 37m
Sun 10/257:00 am -
Nonstop4h 04m
Deal found 9/4![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:40 am -
1 stop6h 38m
Sun 10/256:17 am -
Nonstop4h 03m
Deal found 9/6![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:55 pm -
Nonstop3h 36m
Sat 10/178:15 am -
1 stop8h 35m
Deal found 9/6![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:55 pm -
Nonstop3h 36m
Mon 11/97:05 am -
1 stop10h 04m
Deal found 9/6![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:40 pm -
Nonstop3h 36m
Wed 10/77:00 am -
Nonstop4h 04m
Deal found 9/4![Delta logo]()
$297
Last-minute flights from Seattle to Kansas CityDiscover last-minute flight deals from Seattle to Kansas City. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Kansas City. Data last updated September 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:45 pm -
1 stop21h 50m
Mon 10/58:32 pm -
1 stop20h 36m
Deal found 9/4![Frontier logo]()
$246
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:27 pm -
Nonstop3h 32m
Mon 10/56:17 am -
Nonstop4h 03m
Deal found 9/6![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 pm -
Nonstop3h 36m
Mon 10/56:05 pm -
1 stop6h 05m
Deal found 9/6![Delta logo]()
$247
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:45 pm -
1 stop22h 00m
Tue 10/68:32 pm -
1 stop20h 36m
Deal found 9/4![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:27 pm -
1 stop25h 21m
Sat 10/248:43 pm -
1 stop20h 29m
Deal found 9/4![Frontier logo]()
$182
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
1 stop25h 21m
Tue 11/178:43 pm -
1 stop20h 29m
Deal found 9/4![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
1 stop25h 21m
Sun 11/88:43 pm -
1 stop20h 29m
Deal found 9/4![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
1 stop25h 21m
Tue 11/172:52 pm -
Nonstop4h 04m
Deal found 9/4![Multiple Airlines logo]()
$239
This Super.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
1 stop25h 21m
Fri 10/238:43 pm -
1 stop20h 29m
Deal found 9/6![Frontier logo]()
$251
This Super.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
1 stop25h 21m
Sun 10/258:43 pm -
1 stop20h 29m
Deal found 9/6![Frontier logo]()
$234
One-way flights from Seattle to Kansas CitySearch for one-way flight options from Seattle to Kansas City. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Seattle to Kansas City. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Super.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:27 pm -
1 stop25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$84
This Super.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:27 pm -
1 stop25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
1 stop25h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:27 pm -
1 stop25h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$93
This Trip.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:27 pm -
1 stop25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$99
This Super.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:27 pm -
1 stop25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$107
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:27 pm -
1 stop25h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$110
This CheapOair deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:27 pm -
1 stop25h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:27 pm -
1 stop26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$117
Find flight deals from Seattle to Kansas City
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Kansas City (MCI). 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $178 (CheapOair) |
One-way from | $84 (Super.com) |
Popular in | July |
Cheapest in | January |
Average price | $402 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Kansas City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Seattle to Kansas City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Tue 10/27
3:30 pm-12:20 am
1 stop6h 50m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$129
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Sat 10/17
11:05 am-8:45 pm
1 stop7h 40m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$129
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Wed 10/28
12:10 am-9:20 am
1 stop7h 10m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$129
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Fri 10/9
5:30 am-8:15 pm
1 stop12h 45m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$134
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Mon 10/12
8:40 pm-11:35 am
1 stop12h 55m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$134
Quickest round-trip
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Sat 10/17
5:55 pm-11:31 pm
Nonstop3h 36m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$149
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Fri 10/9
5:55 pm-11:31 pm
Nonstop3h 36m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$149
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Thu 11/5
5:55 pm-11:31 pm
Nonstop3h 36m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$149
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Sun 11/1
5:55 pm-11:31 pm
Nonstop3h 36m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$149
SeattleKansas City
SEA Seattle/Tacoma Intl - MCI Kansas City
SEAMCI
Seattle/Tacoma Intl
Tue 10/27
5:55 pm-11:31 pm
Nonstop3h 36m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$149
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Seattle to Kansas City
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 Seattle to Kansas City in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Kansas City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Kansas City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Kansas City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Kansas City flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seattle-Kansas City 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 Seattle to Kansas City
Have a flexible travel schedule? Discover the best time to fly to Kansas City from Seattle with our price prediction graph.
SEA-MCI
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 Seattle to Kansas City
Prices
Airlines
How far ahead should I book a flight from Seattle to Kansas City?
To ensure you get the cheapest price possible for a flight from Seattle to Kansas City, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to Kansas City?
Currently, January is the cheapest month in which you can book a flight from Seattle to Kansas City (average of $237). Flying from Seattle to Kansas City in July is currently the most expensive (average of $497). 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 SEA to MCI?
Find hourly flight availability from Seattle to Kansas City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 7, 2026.
When flying from Seattle to Kansas City, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The best insider tips for Seattle to Kansas City flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Kansas City trip
Our travel experts
Reviews of airlines servicing Kansas City
Get insights into the airlines that provide service to Kansas City. 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 Kansas City. Reviews last updated September 7, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Seattle to Kansas City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Kansas City. 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 Kansas City?
Book flights to Kansas City if you plan to visit one of these locationsLee's Summit
Kansas City
Independence
Overland Park
Warrensburg
Lenexa
North Kansas City
Lansing
Liberty
Lawrence
Shawnee
Olathe
Belton
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Seattle and Kansas City flights
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Top 7 airlines flying from Seattle to Kansas City
Discover the top 7 airlines that operate flights from Seattle to Kansas City. 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$133 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$378 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$158 | Average$358 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$159 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$475 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$199 | Average$431 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$296 | Average$497 | FlexibilityNo cancel fee | On-time71% |