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Cheap flights from Boston to Missouri from $103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Missouri departing on 1/7. 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 Boston to Missouri

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 11:49 amBOS  Boston Logan Intl-MCI Kansas City
6h 49m1 stop Chicago O'Hare Intl
American Airlines Logo
6:00 am - 12:40 pmMCI  Kansas City-BOS Boston Logan Intl
5h 40m1 stop Washington, D.C. Reagan-National
$297American Airlines
Sat, Jan 23 - Sat, Jan 30
American Airlines Logo
6:00 am - 11:48 amBOS  Boston Logan Intl-MCI Kansas City
6h 48m1 stop Chicago O'Hare Intl
American Airlines Logo
5:13 am - 12:39 pmMCI  Kansas City-BOS Boston Logan Intl
6h 26m1 stop Chicago O'Hare Intl
$317American Airlines
Sat, Sep 12 - Sat, Sep 19
United Airlines Logo
6:00 am - 10:39 amBOS  Boston Logan Intl-COU Columbia Regional
5h 39m1 stop Chicago O'Hare Intl
United Airlines Logo
3:19 pm - 9:59 pmCOU  Columbia Regional-BOS Boston Logan Intl
5h 40m1 stop Chicago O'Hare Intl
$318United Airlines
Sun, Oct 11 - Sat, Oct 17
United Airlines Logo
6:43 pm - 10:55 pmBOS  Boston Logan Intl-COU Columbia Regional
5h 12m1 stop Chicago O'Hare Intl
United Airlines Logo
3:00 pm - 11:29 pmCOU  Columbia Regional-BOS Boston Logan Intl
7h 29m1 stop Chicago O'Hare Intl
$318United Airlines
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
5:25 am - 12:05 pmBOS  Boston Logan Intl-MCI Kansas City
7h 40m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
2:25 pm - 7:55 pmMCI  Kansas City-BOS Boston Logan Intl
4h 30m1 stop Lambert-St Louis
$323Southwest
Wed, Sep 2 - Sat, Sep 12
Frontier Logo
12:45 pm - 10:41 amBOS  Boston Logan Intl-MCI Kansas City
22h 56m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
8:32 pm - 10:58 amMCI  Kansas City-BOS Boston Logan Intl
37h 26m2 stops Denver Intl Orlando
$327Frontier
Tue, Sep 1 - Fri, Sep 18
Multiple Airlines Logo
12:34 pm - 8:26 amBOS  Boston Logan Intl-MCI Kansas City
20h 52m1 stop Fort Lauderdale
Multiple Airlines Logo
2:17 pm - 10:09 amMCI  Kansas City-BOS Boston Logan Intl
18h 52m2 stops Denver Intl Orlando
$335Multiple Airlines
Thu, Oct 15 - Mon, Oct 19
Frontier Logo
12:45 pm - 10:41 amBOS  Boston Logan Intl-MCI Kansas City
22h 56m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
8:32 pm - 10:51 amMCI  Kansas City-BOS Boston Logan Intl
37h 19m2 stops Denver Intl Orlando
$338Frontier
Thu, Sep 3 - Wed, Sep 9
Southwest Logo
5:50 am - 1:25 pmBOS  Boston Logan Intl-STL Lambert-St Louis
8h 35m2 stops Baltimore/Washington Cleveland Hopkins Intl
Southwest Logo
7:20 am - 3:00 pmSTL  Lambert-St Louis-BOS Boston Logan Intl
6h 40m1 stop Baltimore/Washington
$342Southwest
Sat, Sep 5 - Sun, Sep 6
Allegiant Air Logo
11:32 am - 9:16 amBOS  Boston Logan Intl-MCI Kansas City
22h 44m2 stops Knoxville McGhee Tyson Tampa St. Petersburg
Allegiant Air Logo
9:16 am - 9:29 amMCI  Kansas City-BOS Boston Logan Intl
23h 13m1 stop Fort Lauderdale
$350Allegiant Air
Wed, Sep 30 - Fri, Oct 9

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Delta flights from Boston to Missouri

Our best Delta deals on Boston to Missouri flight tickets
Delta
Sep 1
BOS9:55 amBoston Logan Intl
7h 22m
1 stop
STL4:17 pmLambert-St Louis
Sep 5
STL1:04 pmLambert-St Louis
5h 31m
1 stop
BOS7:35 pmBoston Logan Intl
$363
Delta
Oct 27
BOS6:10 amBoston Logan Intl
3h 35m
MCI8:45 amKansas City
Oct 30
MCI7:30 pmKansas City
3h 09m
BOS11:39 pmBoston Logan Intl
$366
Delta
Sep 5
BOS8:55 amBoston Logan Intl
6h 38m
1 stop
STL2:33 pmLambert-St Louis
Sep 9
STL7:00 amLambert-St Louis
5h 22m
1 stop
BOS1:22 pmBoston Logan Intl
$370

Frontier flights from Boston to Missouri

Our best Frontier deals on Boston to Missouri flight tickets
Frontier
Aug 12
BOS11:59 amBoston Logan Intl
6h 11m
1 stop
MCI5:10 pmKansas City
Aug 14
MCI6:17 pmKansas City
12h 25m
1 stop
BOS7:42 amBoston Logan Intl
$314
Frontier
Sep 1
BOS12:45 pmBoston Logan Intl
22h 56m
1 stop
MCI10:41 amKansas City
Sep 18
MCI8:32 pmKansas City
37h 26m
2 stops
BOS10:58 amBoston Logan Intl
$327
Frontier
Sep 3
BOS12:45 pmBoston Logan Intl
22h 56m
1 stop
MCI10:41 amKansas City
Sep 9
MCI8:32 pmKansas City
37h 19m
2 stops
BOS10:51 amBoston Logan Intl
$338

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Missouri 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 9, 2026.
Use the filters below to find and compare flights from Boston to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKansas City

BOS Boston Logan Intl - MCI Kansas City

BOSMCI

Boston Logan Intl

Sat 1/23

6:00 am-11:49 am

1 stop6h 49m

Kansas City

Sat 1/30

6:00 am-12:40 pm

1 stop5h 40m

$297

BostonKansas City

BOS Boston Logan Intl - MCI Kansas City

BOSMCI

Boston Logan Intl

Sat 9/12

6:00 am-11:48 am

1 stop6h 48m

Kansas City

Sat 9/19

5:13 am-12:39 pm

1 stop6h 26m

$317
Quickest round-trip

BostonColumbia

BOS Boston Logan Intl - COU Columbia Regional

BOSCOU

Boston Logan Intl

Sun 10/11

6:00 am-10:39 am

1 stop5h 39m

Columbia Regional

Sat 10/17

3:19 pm-9:59 pm

1 stop5h 40m

$318

BostonColumbia

BOS Boston Logan Intl - COU Columbia Regional

BOSCOU

Boston Logan Intl

Thu 10/22

6:43 pm-10:55 pm

1 stop5h 12m

Columbia Regional

Mon 10/26

3:00 pm-11:29 pm

1 stop7h 29m

$318

BostonKansas City

BOS Boston Logan Intl - MCI Kansas City

BOSMCI

Boston Logan Intl

Wed 9/2

5:25 am-12:05 pm

2 stops7h 40m

Kansas City

Sat 9/12

2:25 pm-7:55 pm

1 stop4h 30m

$323

BostonKansas City

BOS Boston Logan Intl - MCI Kansas City

BOSMCI

Boston Logan Intl

Tue 9/1

12:45 pm-10:41 am

1 stop22h 56m

Kansas City

Fri 9/18

8:32 pm-10:58 am

2 stops37h 26m

$327

BostonKansas City

BOS Boston Logan Intl - MCI Kansas City

BOSMCI

Boston Logan Intl

Thu 10/15

12:34 pm-8:26 am

1 stop20h 52m

Kansas City

Mon 10/19

2:17 pm-10:09 am

2 stops18h 52m

$335

BostonKansas City

BOS Boston Logan Intl - MCI Kansas City

BOSMCI

Boston Logan Intl

Thu 9/3

12:45 pm-10:41 am

1 stop22h 56m

Kansas City

Wed 9/9

8:32 pm-10:51 am

2 stops37h 19m

$338

BostonSt. Louis

BOS Boston Logan Intl - STL Lambert-St Louis

BOSSTL

Boston Logan Intl

Sat 9/5

5:50 am-1:25 pm

2 stops8h 35m

Lambert-St Louis

Sun 9/6

7:20 am-3:00 pm

1 stop6h 40m

$342

BostonKansas City

BOS Boston Logan Intl - MCI Kansas City

BOSMCI

Boston Logan Intl

Wed 9/30

11:32 am-9:16 am

2 stops22h 44m

Kansas City

Fri 10/9

9:16 am-9:29 am

1 stop23h 13m

$350

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 Missouri from

How to get the cheapest flight ticket from Boston to Missouri

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 cheapest month to fly to Missouri?

In general, January is the cheapest month to fly from Boston to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $446. If you aren’t able to travel to Missouri during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $468.

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

The cheapest day to depart from Boston to Missouri is on a Wednesday when prices can be found for as low as $440. Flights from Boston to Missouri on a Sunday will generally be more expensive and average around $552. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Missouri is in the evening. momondo users have found flights departing from Boston to Missouri in the evening for as low as $427. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the afternoon, with an average ticket price of $479. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to Missouri flight route?

Fly from Boston Logan Intl to Lambert-St Louis for the best Boston Logan Intl - Missouri flight prices

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

You are more likely to see cheaper flights to Missouri from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $493 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Boston for as low as $407 on momondo.

What cabin class options are available on Boston to Missouri flights?

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

Can stopping save me money on Boston to Missouri flights?

No. A direct flight is the cheapest option for a flight between Boston to Missouri.

Cheap Boston to Missouri flight deals and tips

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

Best Price Found

$231

Fastest flight time

2h 50m

Direct flights

Every day

Airports in Missouri

55 airports
The best one-way flight to Missouri from Boston in the past 72 hours is $231. The best round-trip flight deal from Boston to Missouri found on momondo in the last 72 hours is $368.
The fastest flight from Boston to Missouri takes 2h 50m
Direct flights go from Boston to Missouri every day.
There are 55 airports in Missouri. From Boston there are direct flights to Kansas City (MCI), Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from Boston to Missouri

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

    Prices for flights from Boston Logan Intl Airport to Missouri are refreshed on a daily basis.

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

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

    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 Boston Logan Intl Airport to Missouri.

  • What documentation or ID do you need to fly to Missouri?

    The necessary travel and health documents for your Missouri 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 Boston to Missouri?

Best airlines flying from Boston to Missouri

Compare and see reviews for airlines that fly from Boston to Missouri with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $90Free CancellationRating
5.6
2,715 reviews
Search Frontier flights
DeltaPriceFrom $133Free CancellationRating
7.8
8,497 reviews
Search Delta flights
United AirlinesPriceFrom $182Free CancellationRating
7.4
10,097 reviews
Search United Airlines flights
American AirlinesPriceFrom $198Free CancellationRating
7.1
11,897 reviews
Search American Airlines flights
JetBluePriceFrom $274Free CancellationRating
7.1
3,030 reviews
Search JetBlue flights
SouthwestPriceFrom $337Free CancellationRating
8.0
4,214 reviews
Search Southwest flights

Why use momondo?

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

Finding the right flight to Missouri from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Missouri quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Missouri from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Missouri?

Once you have performed a search for Boston to Missouri flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Missouri from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Missouri 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.
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