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$67+ Cheap flights from Kansas City to Boston (MCI - BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOS
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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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”

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Cheapflights Tip: The best prices from Kansas City to Boston Logan Intl are usually found in September or March, booked 63 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Kansas City to Boston

Cheapest flights from Kansas City to Boston
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 diciembre 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
lun. 12/226:15 pmMCI - BOS
1 stop15h 35mSpirit Airlines
mié. 1/75:45 amBOS - MCI
1 stop12h 25mSpirit Airlines
Deal found 12/9$241
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
vie. 12/196:15 pmMCI - BOS
2 stops29h 59mMultiple Airlines
mié. 1/75:45 amBOS - MCI
1 stop12h 25mMultiple Airlines
Deal found 12/9$246
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
lun. 12/226:15 pmMCI - BOS
1 stop15h 35mSpirit Airlines
jue. 1/85:27 pmBOS - MCI
1 stop18h 04mSpirit Airlines
Deal found 12/9$247
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
vie. 12/196:15 pmMCI - BOS
2 stops29h 59mMultiple Airlines
jue. 1/85:27 pmBOS - MCI
1 stop18h 04mMultiple Airlines
Deal found 12/9$253
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
sáb. 12/206:15 pmMCI - BOS
2 stops30h 04mMultiple Airlines
mié. 1/75:45 amBOS - MCI
1 stop12h 25mMultiple Airlines
Deal found 12/9$257
This Expedia deal was found by Cheapflights users on 12/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2411:33 amMCI - BOS
1 stop12h 41mMultiple Airlines
mar. 1/612:29 pmBOS - MCI
1 stop11h 30mMultiple Airlines
Deal found 12/9$262
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
dom. 12/216:15 pmMCI - BOS
1 stop15h 35mSpirit Airlines
mié. 1/75:45 amBOS - MCI
1 stop12h 25mSpirit Airlines
Deal found 12/9$263
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
sáb. 12/206:15 pmMCI - BOS
2 stops30h 04mMultiple Airlines
jue. 1/85:27 pmBOS - MCI
1 stop18h 04mMultiple Airlines
Deal found 12/9$264
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
vie. 12/196:15 pmMCI - BOS
1 stop15h 35mSpirit Airlines
jue. 1/85:27 pmBOS - MCI
1 stop18h 04mSpirit Airlines
Deal found 12/9$269
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
dom. 12/2110:02 amMCI - BOS
2 stops22h 40mMultiple Airlines
jue. 1/85:27 pmBOS - MCI
1 stop18h 04mMultiple Airlines
Deal found 12/9$278
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
lun. 12/226:15 pmMCI - BOS
1 stop15h 35mSpirit Airlines
mar. 1/65:45 amBOS - MCI
1 stop12h 25mSpirit Airlines
Deal found 12/9$280
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
mié. 12/248:45 pmMCI - BOS
2 stops12h 23mMultiple Airlines
jue. 1/85:27 pmBOS - MCI
1 stop18h 04mMultiple Airlines
Deal found 12/9$284

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 diciembre 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$128
(Frontier)

One-way from

$67
(Cheapflightsfares)

Popular in

November

Cheapest in

September

Average price

$499
Provider with most accurate pricing for Kansas City-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-Boston Logan Intl flights.
Search Deals
From Kansas City to Boston Logan Intl
Search Deals
One-way flight from Kansas City to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Kansas City to Boston that are best for you.

Fly from

Kansas City

Fly to

Boston

Route

Depart

Return

Price

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

lun. 2/2

12:45 pm-1:13 am

1 stop11h 28m

Boston Logan Intl

sáb. 2/7

7:00 am-4:09 pm

1 stop10h 09m

$180

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

lun. 2/2

11:26 am-2:38 pm

2 stops26h 12m

Boston Logan Intl

sáb. 2/7

7:00 am-4:09 pm

1 stop10h 09m

$212

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

lun. 2/2

12:55 pm-10:05 pm

2 stops8h 10m

Boston Logan Intl

sáb. 2/7

12:55 pm-9:05 pm

2 stops9h 10m

$417

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

jue. 1/15

7:20 am-12:55 pm

1 stop4h 35m

Boston Logan Intl

dom. 1/18

5:50 am-10:35 am

1 stop5h 45m

$435

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

sáb. 5/16

6:15 am-1:35 pm

1 stop6h 20m

Boston Logan Intl

dom. 5/24

5:20 pm-9:35 pm

1 stop5h 15m

$463

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

vie. 4/17

5:15 am-12:45 pm

1 stop6h 30m

Boston Logan Intl

lun. 4/20

6:45 pm-10:55 pm

1 stop5h 10m

$463

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

mié. 12/24

5:42 pm-8:44 am

2 stops14h 02m

Boston Logan Intl

sáb. 2/14

4:25 pm-11:54 pm

1 stop8h 29m

$468

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

jue. 12/25

5:42 pm-8:44 am

2 stops14h 02m

Boston Logan Intl

vie. 1/9

6:05 am-5:00 pm

2 stops11h 55m

$477

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

vie. 1/23

3:59 pm-11:54 pm

2 stops30h 55m

Boston Logan Intl

lun. 1/26

5:20 pm-3:05 pm

1 stop22h 45m

$478

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

jue. 1/22

5:45 am-4:10 pm

2 stops9h 25m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 19 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kansas City-Boston flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Kansas City-Boston flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.
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

How far ahead should I book a flight from Kansas City to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Kansas City to Boston. Price data was last updated on December 5, 2025.

The best time to book flights from Kansas City to Boston is 63 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, August is the cheapest month in which you can book a flight from Kansas City to Boston (average of $188). Flying from Kansas City to Boston in December is currently the most expensive (average of $286). 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 diciembre 12, 2025.

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 41% versus a flight in the morning.

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 December 6, 2025.

Travelers seeking maximum savings on their Kansas City to Boston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 diciembre 12, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United 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.
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,179 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • What airports do I use to fly from Kansas City to Boston?

    To fly from Kansas City to Boston, you need to book a flight from Kansas City (MCI) to Logan Intl (BOS). Nonstop flights to Boston Logan Intl from Kansas City take 2h 58m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from Kansas City to Logan Intl offered by 5 different airlines.

  • How popular is this Kansas City to Boston flight route?

    The Kansas City to Boston Logan Intl flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Kansas City to Boston?

    For as low as $417, Spirit Airlines can have you in Boston from Kansas City in 8h 10m. Kansas City and Boston are separated by a distance of 1252 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Kansas City to Boston round-trip?

    Spirit Airlines, at $95, was found to be the cheapest airline from Kansas City to Boston.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Users have found that Spirit Airlines is 78% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Kansas City to Boston one-way?

    $73 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $128 and $139, respectively.

  • What are the most reliable airlines from Kansas City to Boston?

    Before booking your flight to Boston from Kansas City, check out the most reliable airlines to get you to your destination on time: Republic Airways (90%), Scandinavian Airlines (78%), Virgin Atlantic( 76%).

  • What are the cheapest flights from Kansas City to Boston?

    The cheapest flight price from Kansas City to Boston is $276. On average you can expect to pay $1,355. The most popular route, (Kansas City - Boston Logan Intl), can usually be booked for $164.

  • Can I find deals for flights from Kansas City to Boston that include hotel bookings?

    Yes. In addition to deals on Kansas City to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Boston.

  • Can I find deals for business class flights from Kansas City to Boston?

    Yes. Cheapflights offers flight deals from Kansas City to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kansas City to Boston?

    Currently, August is the cheapest month in which you can book a flight from Kansas City to Boston (average of $188). Flying from Kansas City to Boston in December is currently the most expensive (average of $286). 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.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Cranston
Lincoln
Lowell
Smithfield
Peabody
Brockton
Quincy
York Beach
Warwick
Londonderry
Swansea
Old Orchard Beach
Waltham
Chelsea

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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 2,558,603 searches. Data last updated diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$147Average$299FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$218Average$370FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$256Average$398FlexibilityNo cancel feeOn-time69%
DeltaCheapest$299Average$465FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$304Average$415FlexibilityNo cancel feeOn-time63%

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