$120+ Cheap flights from Kansas City to Boston (MCI - BOS)
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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOS
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Kansas City to Boston 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 Kansas City to Boston Logan Intl are usually found in October or July, booked 85 days in advance, depart on a Wednesday or Tuesday and return on a Friday
Cheap flight deals from Kansas City to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kansas City to BostonExplore the most affordable flight options available from Kansas City to Boston. 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 Kansas City to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 11/271:10 pm -
Nonstop2h 57m
Wed 12/24:05 pm -
Nonstop3h 47m
Deal found 9/3![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 9/1. 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 11/91:15 pm -
Nonstop2h 55m
Sat 11/149:30 am -
2 stops9h 45m
Deal found 9/1![Southwest logo]()
$294
This Southwest deal was found by Cheapflights users on 9/3. 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 9/2812:15 pm -
1 stop9h 20m
Thu 10/12:45 pm -
Nonstop3h 30m
Deal found 9/3![Southwest logo]()
$295
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:38 pm -
1 stop14h 07m
Mon 11/3011:40 am -
1 stop8h 03m
Deal found 9/2![Frontier logo]()
$298
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:30 pm -
1 stop6h 09m
Tue 10/206:00 am -
1 stop6h 16m
Deal found 9/2![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/3. 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 11/612:35 pm -
Nonstop3h 11m
Mon 11/93:00 pm -
1 stop8h 19m
Deal found 9/3![Delta logo]()
$302
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 10/2811:45 am -
2 stops8h 35m
Sat 10/315:30 am -
1 stop5h 30m
Deal found 9/2![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 9/3. 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 12/2510:58 am -
Nonstop3h 11m
Fri 1/17:20 am -
Nonstop3h 58m
Deal found 9/3![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 9/3. 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.
Tue 11/38:15 am -
2 stops7h 55m
Fri 11/62:30 pm -
Nonstop3h 35m
Deal found 9/3![Southwest logo]()
$307
This KAYAK deal was found by Cheapflights users on 9/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:15 am -
2 stops13h 15m
Mon 11/98:40 am -
2 stops10h 40m
Deal found 9/3![Southwest logo]()
$309
Best flights from Kansas City to BostonDiscover carefully curated flight deals from Kansas City to Boston 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 Kansas City to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 10/2811:45 am -
2 stops8h 35m
Sat 10/315:30 am -
1 stop5h 30m
Deal found 9/2![Southwest logo]()
$304
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 10/295:32 pm -
1 stop6h 48m
Mon 11/23:00 pm -
1 stop8h 09m
Deal found 9/6![Delta logo]()
$443
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:30 am -
2 stops8h 29m
Tue 10/1310:51 am -
2 stops9h 55m
Deal found 9/3![United Airlines logo]()
$511
This Southwest deal was found by Cheapflights users on 9/3. 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 10/293:40 pm -
1 stop6h 35m
Mon 11/210:25 am -
2 stops8h 55m
Deal found 9/3![Southwest logo]()
$363
This Southwest deal was found by Cheapflights users on 9/3. 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 11/165:25 am -
2 stops12h 35m
Thu 11/193:30 pm -
2 stops7h 55m
Deal found 9/3![Southwest logo]()
$387
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.
Sun 10/117:30 pm -
Nonstop3h 09m
Wed 10/146:10 am -
Nonstop3h 35m
Deal found 9/4![Delta logo]()
$492
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:39 pm -
1 stop5h 15m
Wed 10/149:51 am -
2 stops10h 55m
Deal found 9/2![United Airlines logo]()
$515
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:20 am -
Nonstop3h 05m
Thu 10/155:50 am -
1 stop6h 30m
Deal found 9/4![Southwest logo]()
$433
This Delta deal was found by Cheapflights users on 9/1. 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 10/29:30 am -
Nonstop3h 13m
Fri 10/27:10 pm -
1 stop5h 41m
Deal found 9/1![Delta logo]()
$512
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:45 am -
Nonstop3h 05m
Tue 10/205:40 pm -
1 stop5h 25m
Deal found 9/4![Southwest logo]()
$482
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.
Tue 10/64:20 pm -
1 stop5h 25m
Sun 10/115:35 am -
1 stop5h 30m
Deal found 9/5![Southwest logo]()
$492
Last-minute flights from Kansas City to BostonDiscover last-minute flight deals from Kansas City to Boston. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Boston. Data last updated September 7, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/3. 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 9/2812:15 pm -
1 stop9h 20m
Thu 10/12:45 pm -
Nonstop3h 30m
Deal found 9/3![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:29 am -
1 stop5h 14m
Thu 10/86:00 am -
1 stop5h 26m
Deal found 9/2![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:16 am -
1 stop7h 30m
Wed 10/74:48 pm -
1 stop7h 29m
Deal found 9/3![American Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:39 pm -
1 stop5h 15m
Mon 10/57:00 pm -
1 stop5h 44m
Deal found 9/2![United Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/59:16 am -
2 stops25h 51m
Thu 10/1512:34 pm -
1 stop20h 52m
Deal found 9/3![Multiple Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 9/3. 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.
Sat 10/105:31 pm -
1 stop6h 49m
Tue 10/136:10 am -
Nonstop3h 35m
Deal found 9/3![Delta logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:30 pm -
1 stop6h 09m
Tue 10/206:00 am -
1 stop6h 16m
Deal found 9/2![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:59 am -
1 stop5h 22m
Mon 10/197:00 pm -
1 stop5h 44m
Deal found 9/2![United Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:39 pm -
1 stop5h 15m
Tue 10/276:00 am -
1 stop5h 31m
Deal found 9/3![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 9/2. 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 10/236:44 pm -
1 stop5h 36m
Mon 10/266:10 am -
Nonstop3h 35m
Deal found 9/2![Delta logo]()
$302
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 10/2811:45 am -
2 stops8h 35m
Sat 10/315:30 am -
1 stop5h 30m
Deal found 9/2![Southwest logo]()
$304
One-way flights from Kansas City to BostonSearch for one-way flight options from Kansas City to Boston. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Kansas City to Boston. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 11/139:36 am -
1 stop22h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Allegiant Air logo]()
$120
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:38 pm -
1 stop14h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$126
This CheapOair deal was found by Cheapflights users on 9/2. 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 12/210:07 am -
1 stop23h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 11/69:36 am -
1 stop22h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Allegiant Air logo]()
$135
This Southwest deal was found by Cheapflights users on 9/2. 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 11/21:15 pm -
Nonstop2h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/59:16 am -
2 stops25h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$148
This Delta deal was found by Cheapflights users on 9/3. 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 10/55:32 pm -
1 stop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$150
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:16 am -
1 stop23h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Allegiant Air logo]()
$152
This Delta deal was found by Cheapflights users on 9/3. 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 10/167:30 pm -
Nonstop3h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$153
Find flight deals from Kansas City to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to Boston (BOS). 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 | $292 (Delta) |
One-way from | $120 (Kiwi.com) |
Popular in | February |
Cheapest in | October |
Average price | $483 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas City to Boston 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 Kansas City to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Mon 10/19
7:30 pm-11:39 pm
Nonstop3h 09m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$150
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Wed 11/11
6:00 am-3:50 pm
2 stops8h 50m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$155
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Sat 10/31
6:20 am-3:55 pm
2 stops8h 35m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$155
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Thu 11/19
10:30 am-5:10 pm
1 stop5h 40m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$163
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Thu 10/29
6:00 am-5:27 pm
2 stops10h 27m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$200
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Sat 10/3
7:30 am-7:29 pm
2 stops10h 59m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$200
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Tue 10/13
7:30 pm-11:39 pm
Nonstop3h 09m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$212
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Fri 10/2
7:30 pm-11:41 pm
Nonstop3h 11m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$212
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Fri 11/13
1:34 pm-12:46 am
2 stops10h 12m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$213
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Mon 9/28
7:30 pm-11:41 pm
Nonstop3h 11m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$222
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Kansas City to Boston
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 Boston in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kansas City-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kansas City-Boston 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 Kansas City-Boston 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 Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Kansas City with our price prediction graph.
MCI-BOS
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 Boston
Prices
More
How far ahead should I book a flight from Kansas City to Boston?
The best time to book flights from Kansas City to Boston is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Kansas City to Boston?
Currently, October is the cheapest month in which you can book a flight from Kansas City to Boston (average of $465). Flying from Kansas City to Boston in February is currently the most expensive (average of $629). 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 MCI to BOS?
Find hourly flight availability from Kansas City to Boston. 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 Kansas City to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 34% versus a flight at noon.
What is the cheapest day to fly from Kansas City to Boston?
Use this chart to determine the cheapest time to fly round-trip from Kansas City to Boston. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Kansas City to Boston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
What’s the top layover airport for flights from Kansas City to Boston?
Share of 1-stop round-trip flights from Kansas City to Boston chosen by Cheapflights users in the past 12 months, using the same layover each way.
Atlanta (ATL) – chosen by Cheapflights users on 50% of 1-stop itineraries from Kansas City to Boston on Cheapflights.
What’s the cheapest layover airport for flights from Kansas City to Boston?
Average round-trip fare for 1-stop flights from Kansas City to Boston, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $358.
What’s the fastest layover option from Kansas City to Boston?
Shortest average travel time for 1-stop one-way flights from Kansas City to Boston, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via St. Louis (STL) have the shortest average one-way travel time for 1-stop routes: 4h 20m.
Which airport typically offers the quickest layover for flights from Kansas City to Boston?
Average layover duration for 1-stop one-way flights from Kansas City to Boston, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via St. Louis (STL) offer the fastest connection on this route, with an average layover time of 0h 45m.
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated September 7, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Kansas City to Boston. 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.
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Kansas City to Boston. 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 Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Seekonk
Dedham
Cranston
Warwick
Pawtucket
Peabody
Auburn
Revere
York Beach
Londonderry
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
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Top 5 airlines flying from Kansas City to Boston
Discover the top 5 airlines that operate flights from Kansas City to Boston. 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$95 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$275 | Average$496 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$308 | Average$488 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$334 | Average$564 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$364 | Average$482 | FlexibilityNo cancel fee | On-time63% |