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Cheap flights from Kansas City to Boston from $85

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 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Spirit Airlines Logo
11:26 am - 11:57 pmMCI-BOS
11h 31m1 stop
Spirit Airlines Logo
7:00 am - 3:29 pmBOS-MCI
9h 29m1 stop
$194Spirit Airlines
Find Deal
Thu, Feb 26 - Wed, Mar 4
Spirit Airlines Logo
6:15 pm - 4:28 pmMCI-BOS
21h 13m1 stop
Spirit Airlines Logo
7:00 am - 4:09 pmBOS-MCI
10h 09m1 stop
$199Spirit Airlines
Find Deal
Wed, Jan 7 - Sun, Jan 11
Spirit Airlines Logo
11:26 am - 11:57 pmMCI-BOS
11h 31m1 stop
Spirit Airlines Logo
7:00 am - 4:09 pmBOS-MCI
10h 09m1 stop
$202Spirit Airlines
Find Deal
Mon, Jan 26 - Thu, Jan 29
Multiple Airlines Logo
8:46 pm - 12:05 amMCI-BOS
26h 19m2 stops
Multiple Airlines Logo
7:00 am - 3:29 pmBOS-MCI
9h 29m1 stop
$203Multiple Airlines
Find Deal
Mon, Feb 23 - Wed, Mar 4
Spirit Airlines Logo
11:26 am - 11:57 pmMCI-BOS
11h 31m1 stop
Spirit Airlines Logo
7:00 am - 4:09 pmBOS-MCI
10h 09m1 stop
$206Spirit Airlines
Find Deal
Thu, Jan 8 - Sun, Jan 11
Spirit Airlines Logo
11:26 am - 11:57 pmMCI-BOS
11h 31m1 stop
Spirit Airlines Logo
7:00 am - 3:29 pmBOS-MCI
9h 29m1 stop
$207Spirit Airlines
Find Deal
Fri, Feb 27 - Wed, Mar 4
Spirit Airlines Logo
11:26 am - 11:57 pmMCI-BOS
11h 31m1 stop
Spirit Airlines Logo
7:00 am - 4:09 pmBOS-MCI
10h 09m1 stop
$215Spirit Airlines
Find Deal
Fri, Jan 23 - Mon, Jan 26
Frontier Logo
12:45 pm - 1:13 amMCI-BOS
11h 28m1 stop
Frontier Logo
6:00 am - 11:50 amBOS-MCI
6h 50m1 stop
$217Frontier
Find Deal
Fri, Jan 23 - Mon, Jan 26
Spirit Airlines Logo
11:26 am - 11:57 pmMCI-BOS
11h 31m1 stop
Spirit Airlines Logo
7:00 am - 3:29 pmBOS-MCI
9h 29m1 stop
$220Spirit Airlines
Find Deal
Thu, Feb 26 - Fri, Feb 27
Spirit Airlines Logo
4:24 pm - 2:38 pmMCI-BOS
21h 14m1 stop
Spirit Airlines Logo
7:00 am - 3:29 pmBOS-MCI
9h 29m1 stop
$223Spirit Airlines
Find Deal
Tue, Feb 24 - Tue, Mar 3

Frontier flights from Kansas City to Boston

Our best Frontier deals on Kansas City to Boston flight tickets
Frontier
Jan 23
MCI12:45 pmKansas City
11h 28m
1 stop
BOS1:13 amBoston Logan Intl
Jan 26
BOS6:00 amBoston Logan Intl
6h 50m
1 stop
MCI11:50 amKansas City
$217
Find similar
Frontier
Feb 27
MCI11:06 amKansas City
12h 58m
1 stop
BOS1:04 amBoston Logan Intl
Mar 2
BOS6:00 amBoston Logan Intl
15h 09m
2 stops
MCI8:09 pmKansas City
$264
Find similar

Spirit Airlines flights from Kansas City to Boston

Our best Spirit Airlines deals on Kansas City to Boston flight tickets
Spirit Airlines
Feb 26
MCI11:26 amKansas City
11h 31m
1 stop
BOS11:57 pmBoston Logan Intl
Mar 4
BOS7:00 amBoston Logan Intl
9h 29m
1 stop
MCI3:29 pmKansas City
$194
Find similar
Spirit Airlines
Jan 7
MCI6:15 pmKansas City
21h 13m
1 stop
BOS4:28 pmBoston Logan Intl
Jan 11
BOS7:00 amBoston Logan Intl
10h 09m
1 stop
MCI4:09 pmKansas City
$199
Find similar
Spirit Airlines
Jan 26
MCI11:26 amKansas City
11h 31m
1 stop
BOS11:57 pmBoston Logan Intl
Jan 29
BOS7:00 amBoston Logan Intl
10h 09m
1 stop
MCI4:09 pmKansas City
$202
Find similar

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 December 2, 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 2/26

11:26 am-11:57 pm

1 stop11h 31m

Boston Logan Intl

Wed 3/4

7:00 am-3:29 pm

1 stop9h 29m

$194

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Wed 1/7

6:15 pm-4:28 pm

1 stop21h 13m

Boston Logan Intl

Sun 1/11

7:00 am-4:09 pm

1 stop10h 09m

$199

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Mon 1/26

11:26 am-11:57 pm

1 stop11h 31m

Boston Logan Intl

Thu 1/29

7:00 am-4:09 pm

1 stop10h 09m

$202

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Mon 2/23

8:46 pm-12:05 am

2 stops26h 19m

Boston Logan Intl

Wed 3/4

7:00 am-3:29 pm

1 stop9h 29m

$203

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Thu 1/8

11:26 am-11:57 pm

1 stop11h 31m

Boston Logan Intl

Sun 1/11

7:00 am-4:09 pm

1 stop10h 09m

$206

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Fri 2/27

11:26 am-11:57 pm

1 stop11h 31m

Boston Logan Intl

Wed 3/4

7:00 am-3:29 pm

1 stop9h 29m

$207

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Fri 1/23

11:26 am-11:57 pm

1 stop11h 31m

Boston Logan Intl

Mon 1/26

7:00 am-4:09 pm

1 stop10h 09m

$215

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Fri 1/23

12:45 pm-1:13 am

1 stop11h 28m

Boston Logan Intl

Mon 1/26

6:00 am-11:50 am

1 stop6h 50m

$217

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Thu 2/26

11:26 am-11:57 pm

1 stop11h 31m

Boston Logan Intl

Fri 2/27

7:00 am-3:29 pm

1 stop9h 29m

$220

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Tue 2/24

4:24 pm-2:38 pm

1 stop21h 14m

Boston Logan Intl

Tue 3/3

7:00 am-3:29 pm

1 stop9h 29m

$223

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $395. If you aren’t able to travel during the month of September, then book flights to Boston from Kansas City during May instead. Flights to Boston in May, while not as cheap as those in September, still average around $396.

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 Wednesday when prices can be found for as low as $500. 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 $735.

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 evening. momondo users have found flights departing from Kansas City to Boston in the evening for as low as $397. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $684 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 $431 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 $370 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 December 2025, prices for Kansas City to Boston flights are approximately 5% 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

$388

Fastest flight time

2h 58m

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 $388. The best round-trip flight deal from Kansas City to Boston found on momondo in the last 72 hours is $629.
The fastest flight from Kansas City to Boston takes 2h 58m
Direct flights go from Kansas City to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

  • How far is Kansas City to Boston Logan Intl by plane?

    There are 1247.1 mi between Kansas City and Boston Logan Intl. 10h 11m 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 $147Free CancellationRating
6.3
8,156 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
DeltaPriceFrom $299Free CancellationRating
7.9
8,011 reviews
Search Delta flights
SouthwestPriceFrom $304Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

  • Delta Flights From Kansas City to Boston

    Delta flies from Kansas City to Boston around 2 times per week, with 8,011 momondo users rating the airline 7.9/10. The cheapest Delta deal from Kansas City to Boston in the last 72 hours was $299 (round-trip), much lower than the average airfare cost of $466 for Delta flights on this route.

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
South Yarmouth
Cambridge
Narragansett
Gloucester
Nashua
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
Chatham

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.

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