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Cheap flights from Kansas City to Boston from $108

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 8/12. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kansas City to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:16 am - 9:29 am
MCI
-
BOS
23h 13m
1 stop
Multiple Airlines Logo
11:05 am - 1:22 pm
BOS
-
MCI
27h 17m
2 stops
$280Multiple Airlines
Fri, Oct 9 - Wed, Oct 14
Frontier Logo
11:26 am - 11:47 am
MCI
-
BOS
23h 21m
1 stop
Frontier Logo
12:45 pm - 12:53 pm
BOS
-
MCI
25h 08m
2 stops
$288Frontier
Mon, Aug 24 - Fri, Aug 28
Multiple Airlines Logo
2:17 pm - 8:20 am
MCI
-
BOS
41h 03m
2 stops
Multiple Airlines Logo
12:34 pm - 8:26 am
BOS
-
MCI
20h 52m
1 stop
$307Multiple Airlines
Sat, Oct 10 - Thu, Oct 15
Frontier Logo
11:26 am - 11:47 am
MCI
-
BOS
23h 21m
1 stop
Frontier Logo
12:45 pm - 12:53 pm
BOS
-
MCI
25h 08m
2 stops
$318Frontier
Mon, Aug 24 - Sat, Aug 29
Delta Logo
7:30 pm - 11:39 pm
MCI
-
BOS
3h 09mnonstop
Delta Logo
4:05 pm - 6:33 pm
BOS
-
MCI
3h 28mnonstop
$345Delta
Tue, Oct 13 - Tue, Oct 20
Delta Logo
7:30 pm - 11:39 pm
MCI
-
BOS
3h 09mnonstop
Delta Logo
6:10 am - 8:45 am
BOS
-
MCI
3h 35mnonstop
$345Delta
Wed, Oct 7 - Thu, Oct 15
Southwest Logo
8:20 am - 12:25 pm
MCI
-
BOS
3h 05mnonstop
Southwest Logo
1:15 pm - 3:45 pm
BOS
-
MCI
3h 30mnonstop
$345Southwest
Mon, Oct 26 - Wed, Oct 28
American Airlines Logo
6:15 am - 4:42 pm
MCI
-
BOS
9h 27m
1 stop
American Airlines Logo
8:00 am - 3:43 pm
BOS
-
MCI
8h 43m
1 stop
$350American Airlines
Tue, Sep 1 - Sat, Sep 5
Southwest Logo
8:20 am - 12:25 pm
MCI
-
BOS
3h 05mnonstop
Southwest Logo
1:15 pm - 3:45 pm
BOS
-
MCI
3h 30mnonstop
$351Southwest
Fri, Oct 23 - Tue, Oct 27
American Airlines Logo
5:13 am - 2:08 pm
MCI
-
BOS
7h 55m
1 stop
American Airlines Logo
8:33 am - 3:22 pm
BOS
-
MCI
7h 49m
1 stop
$364American Airlines
Sat, Sep 12 - Sat, Sep 19

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Frontier flights from Kansas City to Boston

Our best Frontier deals on Kansas City to Boston flight tickets
Frontier
Aug 24
MCI11:26 amKansas City
23h 21m
1 stop
BOS11:47 amBoston Logan Intl
Aug 28
BOS12:45 pmBoston Logan Intl
25h 08m
2 stops
MCI12:53 pmKansas City
$288
Frontier
Aug 24
MCI11:26 amKansas City
23h 21m
1 stop
BOS11:47 amBoston Logan Intl
Aug 29
BOS12:45 pmBoston Logan Intl
25h 08m
2 stops
MCI12:53 pmKansas City
$318
Frontier
Aug 14
MCI6:17 pmKansas City
12h 25m
1 stop
BOS7:42 amBoston Logan Intl
Aug 17
BOS11:59 amBoston Logan Intl
6h 11m
1 stop
MCI5:10 pmKansas City
$324

Southwest flights from Kansas City to Boston

Our best Southwest deals on Kansas City to Boston flight tickets
Southwest
Oct 27
MCI11:30 amKansas City
3h 05m
BOS3:35 pmBoston Logan Intl
Oct 31
BOS7:20 amBoston Logan Intl
9h 20m
2 stops
MCI3:40 pmKansas City
$360
Southwest
Sep 22
MCI8:25 amKansas City
6h 45m
1 stop
BOS4:10 pmBoston Logan Intl
Sep 29
BOS2:45 pmBoston Logan Intl
8h 55m
2 stops
MCI10:40 pmKansas City
$370
Southwest
Sep 22
MCI9:20 amKansas City
8h 15m
2 stops
BOS6:35 pmBoston Logan Intl
Sep 29
BOS5:25 amBoston Logan Intl
7h 40m
2 stops
MCI12:05 pmKansas City
$375

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 1, 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

Price

Cheapest round-trip

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Fri 10/9

9:16 am-9:29 am

1 stop23h 13m

Boston Logan Intl

Wed 10/14

11:05 am-1:22 pm

2 stops27h 17m

$280

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Mon 8/24

11:26 am-11:47 am

1 stop23h 21m

Boston Logan Intl

Fri 8/28

12:45 pm-12:53 pm

2 stops25h 08m

$288

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Sat 10/10

2:17 pm-8:20 am

2 stops41h 03m

Boston Logan Intl

Thu 10/15

12:34 pm-8:26 am

1 stop20h 52m

$307

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Mon 8/24

11:26 am-11:47 am

1 stop23h 21m

Boston Logan Intl

Sat 8/29

12:45 pm-12:53 pm

2 stops25h 08m

$318

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Tue 10/13

7:30 pm-11:39 pm

Nonstop3h 09m

Boston Logan Intl

Tue 10/20

4:05 pm-6:33 pm

Nonstop3h 28m

$345

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Wed 10/7

7:30 pm-11:39 pm

Nonstop3h 09m

Boston Logan Intl

Thu 10/15

6:10 am-8:45 am

Nonstop3h 35m

$345
Quickest round-trip

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Mon 10/26

8:20 am-12:25 pm

Nonstop3h 05m

Boston Logan Intl

Wed 10/28

1:15 pm-3:45 pm

Nonstop3h 30m

$345

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Tue 9/1

6:15 am-4:42 pm

1 stop9h 27m

Boston Logan Intl

Sat 9/5

8:00 am-3:43 pm

1 stop8h 43m

$350

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Fri 10/23

8:20 am-12:25 pm

Nonstop3h 05m

Boston Logan Intl

Tue 10/27

1:15 pm-3:45 pm

Nonstop3h 30m

$351

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Sat 9/12

5:13 am-2:08 pm

1 stop7h 55m

Boston Logan Intl

Sat 9/19

8:33 am-3:22 pm

1 stop7h 49m

$364

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?

Prices are currently low for flights on this route.

Typical prices usually range from $378 to $533.
The lowest price recently found on this route was $280.

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 $471. 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 $473.

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 Tuesday when prices can be found for as low as $614. 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 $821.

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 $499. 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 $755 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 from Kansas City 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 $525 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 $408 on momondo.

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

There are 4 cabin classes available to choose from on Kansas City to Boston 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 2026, prices for Kansas City to Boston flights are approximately 85% 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

$219

Fastest flight time

2h 59m

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 $219. The best round-trip flight deal from Kansas City to Boston found on momondo in the last 72 hours is $463.
The fastest flight from Kansas City to Boston takes 2h 59m
Direct flights go from Kansas City to Boston every day.
There is 1 airport in Boston. From Kansas City there are direct flights to Boston Logan Intl (BOS).
Search flight deals

Frequently asked questions about flying from Kansas City to Boston

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

    There are 1247.1 mi between Kansas City and Boston Logan Intl. 2h 59m 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
FrontierPriceFrom $95Free CancellationRating
5.6
2,740 reviews
Search Frontier flights
American AirlinesPriceFrom $207Free CancellationRating
7.1
11,845 reviews
Search American Airlines flights
United AirlinesPriceFrom $300Free CancellationRating
7.4
10,062 reviews
Search United Airlines flights
SouthwestPriceFrom $332Free CancellationRating
8.0
4,229 reviews
Search Southwest flights
DeltaPriceFrom $338Free CancellationRating
7.8
8,497 reviews
Search Delta flights

  • Southwest Flights From Kansas City to Boston

    Southwest flies from Kansas City to Boston around 2 times per week, with 4,229 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Kansas City to Boston in the last 72 hours was $332 (round-trip), much lower than the average airfare cost of $478 for Southwest flights on this route.

  • Delta Flights From Kansas City to Boston

    Another popular option for Kansas City to Boston flights is Delta (7.8/10, 8,497 ratings). Delta flies from Kansas City to Boston around 5 times per week, with deals starting from $338 round-trip and rising to an average price of around $563.

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
Laconia
Cambridge
South Yarmouth
Plymouth
York Beach
Revere
Kennebunkport
Gloucester
Warwick
Middletown
South Portland
Brockton
Everett
Falmouth
Seekonk

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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