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Cheap flights from Boston to Missouri from $86

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 5/19. 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

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Find the cheapest flights from Boston to Missouri

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:27 am - 12:12 pm
BOS
-
SGF
7h 45m
1 stop
American Airlines Logo
3:17 pm - 10:14 pm
SGF
-
BOS
5h 57m
1 stop
$291American Airlines
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
6:00 am - 10:48 am
BOS
-
SGF
5h 48m
1 stop
United Airlines Logo
6:00 am - 2:26 pm
SGF
-
BOS
7h 26m
2 stops
$296United Airlines
Sat, Apr 25 - Tue, Apr 28
Frontier Logo
6:00 am - 8:55 am
BOS
-
STL
27h 55m
1 stop
Frontier Logo
5:27 pm - 1:24 am
STL
-
BOS
6h 57m
1 stop
$347Frontier
Fri, May 8 - Sat, May 9
Frontier Logo
5:30 am - 5:34 pm
BOS
-
STL
13h 04m
1 stop
Frontier Logo
8:19 pm - 1:31 am
STL
-
BOS
28h 12m
2 stops
$348Frontier
Thu, Apr 9 - Mon, Apr 13
Southwest Logo
5:40 am - 7:40 am
BOS
-
STL
3h 00mnonstop
Southwest Logo
7:40 pm - 11:10 pm
STL
-
BOS
2h 30mnonstop
$353Southwest
Thu, Apr 9 - Mon, Apr 13
Delta Logo
5:30 am - 9:42 am
BOS
-
STL
5h 12m
1 stop
Delta Logo
10:07 am - 4:23 pm
STL
-
BOS
5h 16m
1 stop
$355Delta
Thu, Apr 16 - Tue, Apr 21
Spirit Airlines Logo
5:49 pm - 11:53 pm
BOS
-
MCI
31h 04m
3 stops
Spirit Airlines Logo
12:24 pm - 11:59 pm
MCI
-
BOS
10h 35m
1 stop
$417Spirit Airlines
Fri, Apr 3 - Tue, Apr 7
Spirit Airlines Logo
6:15 am - 5:23 pm
BOS
-
MCI
36h 08m
2 stops
Spirit Airlines Logo
6:18 pm - 9:29 am
MCI
-
BOS
14h 11m
1 stop
$419Spirit Airlines
Fri, May 8 - Wed, May 13
Southwest Logo
11:35 am - 5:00 pm
BOS
-
MCI
6h 25m
1 stop
Southwest Logo
5:20 am - 3:10 pm
MCI
-
BOS
8h 50m
2 stops
$420Southwest
Fri, May 8 - Sat, May 9
Delta Logo
6:55 am - 4:22 pm
BOS
-
MCI
10h 27m
1 stop
Delta Logo
10:10 am - 2:21 pm
MCI
-
BOS
3h 11mnonstop
$424Delta
Tue, Jul 14 - Mon, Jul 20

Frontier flights from Boston to Missouri

Our best Frontier deals on Boston to Missouri flight tickets
Frontier
May 8
BOS6:00 amBoston Logan Intl
27h 55m
1 stop
STL8:55 amLambert-St Louis
May 9
STL5:27 pmLambert-St Louis
6h 57m
1 stop
BOS1:24 amBoston Logan Intl
$347
Frontier
Apr 9
BOS5:30 amBoston Logan Intl
13h 04m
1 stop
STL5:34 pmLambert-St Louis
Apr 13
STL8:19 pmLambert-St Louis
28h 12m
2 stops
BOS1:31 amBoston Logan Intl
$348
Frontier
May 22
BOS6:00 amBoston Logan Intl
27h 55m
1 stop
STL8:55 amLambert-St Louis
May 26
STL6:33 pmLambert-St Louis
12h 16m
1 stop
BOS7:49 amBoston Logan Intl
$351

American Airlines flights from Boston to Missouri

Our best American Airlines deals on Boston to Missouri flight tickets
American Airlines
Apr 14
BOS5:27 amBoston Logan Intl
7h 45m
1 stop
SGF12:12 pmSpringfield-Branson
Apr 21
SGF3:17 pmSpringfield-Branson
5h 57m
1 stop
BOS10:14 pmBoston Logan Intl
$291
American Airlines
Apr 10
BOS3:59 pmBoston Logan Intl
6h 31m
1 stop
COU9:30 pmColumbia Regional
Apr 11
COU6:00 amColumbia Regional
7h 26m
1 stop
BOS2:26 pmBoston Logan Intl
$343
American Airlines
Apr 16
BOS6:30 amBoston Logan Intl
6h 17m
1 stop
STL11:47 amLambert-St Louis
Apr 21
STL5:49 pmLambert-St Louis
2h 41m
BOS9:30 pmBoston Logan Intl
$345

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 March 22, 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

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Tue 4/14

5:27 am-12:12 pm

1 stop7h 45m

Springfield-Branson

Tue 4/21

3:17 pm-10:14 pm

1 stop5h 57m

$291

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Sat 4/25

6:00 am-10:48 am

1 stop5h 48m

Springfield-Branson

Tue 4/28

6:00 am-2:26 pm

2 stops7h 26m

$296

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Fri 5/8

6:00 am-8:55 am

1 stop27h 55m

Lambert-St Louis

Sat 5/9

5:27 pm-1:24 am

1 stop6h 57m

$347

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 4/9

5:30 am-5:34 pm

1 stop13h 04m

Lambert-St Louis

Mon 4/13

8:19 pm-1:31 am

2 stops28h 12m

$348
Quickest round-trip

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 4/9

5:40 am-7:40 am

Nonstop3h 00m

Lambert-St Louis

Mon 4/13

7:40 pm-11:10 pm

Nonstop2h 30m

$353

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 4/16

5:30 am-9:42 am

1 stop5h 12m

Lambert-St Louis

Tue 4/21

10:07 am-4:23 pm

1 stop5h 16m

$355

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Fri 4/3

5:49 pm-11:53 pm

3 stops31h 04m

Kansas City

Tue 4/7

12:24 pm-11:59 pm

1 stop10h 35m

$417

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Fri 5/8

6:15 am-5:23 pm

2 stops36h 08m

Kansas City

Wed 5/13

6:18 pm-9:29 am

1 stop14h 11m

$419

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Fri 5/8

11:35 am-5:00 pm

1 stop6h 25m

Kansas City

Sat 5/9

5:20 am-3:10 pm

2 stops8h 50m

$420

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Tue 7/14

6:55 am-4:22 pm

1 stop10h 27m

Kansas City

Mon 7/20

10:10 am-2:21 pm

Nonstop3h 11m

$424

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, August 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 $382. If you aren’t able to travel to Missouri during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $400.

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 $422. Flights from Boston to Missouri on a Sunday will generally be more expensive and average around $493. 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 $424. 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 at noon, with an average ticket price of $474. Departure times at noon 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 Kansas City for the best Boston Logan Intl - Missouri flight prices

How far in advance should I book a flight 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 $457 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 $388 on momondo.

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

There are 4 cabin classes available to choose from on Boston Logan Intl 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?

You could potentially save up to 28% on your flight if you consider stops on a Boston to Missouri flight.

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

$198

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 $198. The best round-trip flight deal from Boston to Missouri found on momondo in the last 72 hours is $386.
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 Lambert-St Louis (STL).
Search flight deals

  • 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
Spirit AirlinesPriceFrom $63Free CancellationRating
6.3
8,532 reviews
Search Spirit Airlines flights
FrontierPriceFrom $90Free CancellationRating
5.7
3,019 reviews
Search Frontier flights
DeltaPriceFrom $133Free CancellationRating
7.9
8,314 reviews
Search Delta flights
American AirlinesPriceFrom $271Free CancellationRating
7.1
11,486 reviews
Search American Airlines flights
United AirlinesPriceFrom $274Free CancellationRating
7.4
9,455 reviews
Search United Airlines flights
SouthwestPriceFrom $316Free CancellationRating
8.0
4,324 reviews
Search Southwest flights
JetBluePriceFrom $327Free CancellationRating
7.2
2,908 reviews
Search JetBlue 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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