Cheap flights from Kansas City to Boston from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to Boston departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Kansas City to Boston (MCI-BOS)

Cheap round-trip flights

Spirit Airlines Logo
5:15 am - 1:48 pmMCI-BOS
7h 33m1 stop
Spirit Airlines Logo
2:53 pm - 11:07 pmBOS-MCI
9h 14m1 stop
$216Spirit Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
Spirit Airlines Logo
5:11 pm - 11:59 pmMCI-BOS
29h 48m1 stop
Spirit Airlines Logo
2:23 pm - 8:45 pmBOS-MCI
7h 22m1 stop
$217Spirit Airlines
Find Deal
Fri, Oct 17 - Wed, Oct 22
Spirit Airlines Logo
5:15 am - 1:48 pmMCI-BOS
7h 33m1 stop
Spirit Airlines Logo
2:53 pm - 11:07 pmBOS-MCI
9h 14m1 stop
$218Spirit Airlines
Find Deal
Tue, Sep 23 - Mon, Sep 29
 Logo
5:15 am - 1:48 pmMCI-BOS
7h 33m1 stop
 Logo
3:00 pm - 4:20 pmBOS-MCI
26h 20m2 stops
Tue, Sep 23 - Wed, Sep 24
Spirit Airlines Logo
5:15 am - 1:48 pmMCI-BOS
7h 33m1 stop
Spirit Airlines Logo
12:20 pm - 11:07 pmBOS-MCI
11h 47m1 stop
$222Spirit Airlines
Find Deal
Sat, Sep 27 - Sat, Oct 4
 Logo
5:15 pm - 10:47 pmMCI-BOS
28h 32m2 stops
 Logo
12:20 pm - 11:07 pmBOS-MCI
11h 47m1 stop
Fri, Sep 26 - Sat, Oct 4
Spirit Airlines Logo
5:15 am - 1:48 pmMCI-BOS
7h 33m1 stop
Spirit Airlines Logo
3:00 pm - 11:07 pmBOS-MCI
33h 07m2 stops
$225Spirit Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
Spirit Airlines Logo
5:15 am - 1:48 pmMCI-BOS
7h 33m1 stop
Spirit Airlines Logo
6:49 pm - 10:18 amBOS-MCI
16h 29m1 stop
$226Spirit Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21
Spirit Airlines Logo
5:15 am - 1:20 pmMCI-BOS
7h 05m1 stop
Spirit Airlines Logo
6:11 am - 4:16 pmBOS-MCI
11h 05m1 stop
$229Spirit Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
Spirit Airlines Logo
5:15 am - 1:48 pmMCI-BOS
7h 33m1 stop
Spirit Airlines Logo
6:10 am - 10:18 amBOS-MCI
29h 08m1 stop
$230Spirit Airlines
Find Deal
Tue, Sep 23 - Sun, Sep 28

Spirit Airlines flights from Kansas City to Boston

Our best Spirit Airlines deals on Kansas City to Boston flight tickets
Spirit Airlines
Sep 18
MCI5:15 amKansas City
7h 33m
1 stop
BOS1:48 pmBoston Logan Intl
Sep 22
BOS2:53 pmBoston Logan Intl
9h 14m
1 stop
MCI11:07 pmKansas City
Spirit Airlines
Oct 17
MCI5:11 pmKansas City
29h 48m
1 stop
BOS11:59 pmBoston Logan Intl
Oct 22
BOS2:23 pmBoston Logan Intl
7h 22m
1 stop
MCI8:45 pmKansas City
Spirit Airlines
Sep 23
MCI5:15 amKansas City
7h 33m
1 stop
BOS1:48 pmBoston Logan Intl
Sep 29
BOS2:53 pmBoston Logan Intl
9h 14m
1 stop
MCI11:07 pmKansas City

Frontier flights from Kansas City to Boston

Our best Frontier deals on Kansas City to Boston flight tickets
Frontier
Sep 5
MCI5:15 pmKansas City
13h 28m
1 stop
BOS7:43 amBoston Logan Intl
Sep 7
BOS12:59 pmBoston Logan Intl
28h 21m
2 stops
MCI4:20 pmKansas City
Frontier
Sep 5
MCI5:15 pmKansas City
13h 28m
1 stop
BOS7:43 amBoston Logan Intl
Sep 8
BOS10:53 amBoston Logan Intl
6h 27m
1 stop
MCI4:20 pmKansas City
Frontier
Sep 11
MCI5:15 pmKansas City
13h 37m
2 stops
BOS7:52 amBoston Logan Intl
Sep 15
BOS10:53 amBoston Logan Intl
6h 27m
1 stop
MCI4:20 pmKansas City

momondo 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, momondo users made 832,500 searches. Data last updated August 28, 2025.
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

Price

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Thu 9/18

5:15 am-1:48 pm

1 stop7h 33m

Boston Logan Intl

Mon 9/22

2:53 pm-11:07 pm

1 stop9h 14m

$216

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Fri 10/17

5:11 pm-11:59 pm

1 stop29h 48m

Boston Logan Intl

Wed 10/22

2:23 pm-8:45 pm

1 stop7h 22m

$217

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Tue 9/23

5:15 am-1:48 pm

1 stop7h 33m

Boston Logan Intl

Mon 9/29

2:53 pm-11:07 pm

1 stop9h 14m

$218

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Tue 9/23

5:15 am-1:48 pm

1 stop7h 33m

Boston Logan Intl

Wed 9/24

3:00 pm-4:20 pm

2 stops26h 20m

$220

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Sat 9/27

5:15 am-1:48 pm

1 stop7h 33m

Boston Logan Intl

Sat 10/4

12:20 pm-11:07 pm

1 stop11h 47m

$222

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Fri 9/26

5:15 pm-10:47 pm

2 stops28h 32m

Boston Logan Intl

Sat 10/4

12:20 pm-11:07 pm

1 stop11h 47m

$223

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Tue 9/16

5:15 am-1:48 pm

1 stop7h 33m

Boston Logan Intl

Tue 9/23

3:00 pm-11:07 pm

2 stops33h 07m

$225

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Thu 9/18

5:15 am-1:48 pm

1 stop7h 33m

Boston Logan Intl

Sun 9/21

6:49 pm-10:18 am

1 stop16h 29m

$226

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Thu 10/30

5:15 am-1:20 pm

1 stop7h 05m

Boston Logan Intl

Mon 11/3

6:11 am-4:16 pm

1 stop11h 05m

$229

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Tue 9/23

5:15 am-1:48 pm

1 stop7h 33m

Boston Logan Intl

Sun 9/28

6:10 am-10:18 am

1 stop29h 08m

$230

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Boston from

How to get the cheapest flight ticket from Kansas City to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Kansas City and Boston?

What is the cheapest month to fly to Boston?

In general, September is the cheapest month to fly from Kansas City to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you aren’t able to travel during the month of September, then book flights to Boston from Kansas City during October instead. Flights to Boston in October, while not as cheap as those in September, still average around $299.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Kansas City to Boston is on a Friday when prices can be found for as low as $407. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $585.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from Kansas City to Boston in the afternoon for as low as $282. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Boston, so prices are often more expensive at around $555 per ticket.

What is the cheapest Kansas City to Boston Logan Intl flight route?

Fly from Kansas City to Boston Logan Intl for the best Kansas City - Boston Logan Intl flight prices

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from Kansas City when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $374 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Kansas City for as low as $307 on momondo.

What cabin class options are available on Kansas City to Boston Logan Intl flights?

There are 4 cabin classes available to choose from on Kansas City to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Kansas City to Boston flight prices changed over time?

As of August 2025, prices for Kansas City to Boston flights are approximately 115% more expensive when compared to flights at the same time last year.

When to book flights from Kansas City to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Kansas City to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kansas City to Boston (MCI to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kansas City to Boston

Best Price Found

$318

Fastest flight time

3h 01m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Kansas City in the past 72 hours is $318. The best round-trip flight deal from Kansas City to Boston found on momondo in the last 72 hours is $378.
The fastest flight from Kansas City to Boston takes 3h 01m
Direct flights go from Kansas City to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
  • How far is Kansas City to Boston Logan Intl by plane?

    There are 1247.1 mi between Kansas City and Boston Logan Intl. 7h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Kansas City Airport to Boston Logan Intl Airport?

    Prices for flights from Kansas City Airport to Boston Logan Intl Airport refresh daily.

  • How many operators does momondo search for flights from Kansas City Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from Kansas City Airport to Boston Logan Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Kansas City to Boston?

  • What is the most popular airline from Kansas City to Boston?

Best airlines flying from Kansas City to Boston

Compare and see reviews for airlines that fly from Kansas City to Boston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $61Free CancellationRating
6.3
8,028 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $227Free CancellationRating
7.9
7,977 reviews
Search Delta flights
United AirlinesPriceFrom $244Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
SouthwestPriceFrom $287Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
  • Delta Flights From Kansas City to Boston

    Delta flies from Kansas City to Boston around 7 times per week, with 7,977 momondo users rating the airline 7.9/10. The cheapest Delta deal from Kansas City to Boston in the last 72 hours was $227 (round-trip), much lower than the average airfare cost of $422 for Delta flights on this route.

  • United Airlines Flights From Kansas City to Boston

    Another popular option for Kansas City to Boston flights is United Airlines (7.4/10, 8,944 ratings). United Airlines flies from Kansas City to Boston around 5 times per week, with deals starting from $244 round-trip and rising to an average price of around $395.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
Cambridge
Narragansett
Nashua
South Yarmouth
Gloucester
Brockton
Laconia
Concord
Falmouth
Everett
Wells
Sturbridge

Why use momondo?

Why should I use momondo to find a flight deal from Kansas City to Boston?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Kansas City to Boston for you.

Can I find flights from Kansas City to Boston with flexible booking policies on momondo?

All flight searches from Kansas City to Boston on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Kansas City to Boston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kansas City to Boston.

I’m not ready to book a flight from Kansas City to Boston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Kansas City to Boston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/2
Tue 9/9

Find better results for your trip to the United States