BOS

$67 Find Cheap Flights from Missouri to Boston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Boston departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

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Everything you should know

Cheapest round-trip
$134
Overall average: $430
Frontier
Mon 2/23Tue 3/3
STL - BOS • 1 stop
Cheapest non-stop
$297
Typical prices: $411-$596
Southwest
Sat 1/17Sun 1/18
STL - BOS • Non-stop
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We hope you love your trip to Boston!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Missouri to Boston

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Missouri to Boston

Mon, Feb 23 - Tue, Mar 3
Frontier Logo
8:22 pm - 1:13 am
STL
-
BOS
27h 51m1 stop
Frontier Logo
6:00 am - 6:51 am
BOS
-
STL
25h 51m1 stop
$134Frontier
Wed, Jan 21 - Tue, Jan 27
Frontier Logo
8:22 pm - 1:13 am
STL
-
BOS
27h 51m1 stop
Frontier Logo
6:00 am - 6:51 am
BOS
-
STL
25h 51m1 stop
$142Frontier
Mon, Feb 23 - Wed, Mar 4
Multiple Airlines Logo
8:22 pm - 1:13 am
STL
-
BOS
27h 51m1 stop
Multiple Airlines Logo
12:43 pm - 10:27 pm
BOS
-
STL
10h 44m1 stop
$143Multiple Airlines
Tue, Feb 24 - Fri, Feb 27
Multiple Airlines Logo
3:49 pm - 1:28 pm
STL
-
BOS
20h 39m1 stop
Multiple Airlines Logo
12:43 pm - 12:27 am
BOS
-
STL
12h 44m1 stop
$154Multiple Airlines
Tue, Jan 6 - Thu, Jan 8
Spirit Airlines Logo
6:15 pm - 10:50 am
MCI
-
BOS
15h 35m1 stop
Spirit Airlines Logo
5:27 pm - 10:31 am
BOS
-
MCI
18h 04m1 stop
$163Spirit Airlines
Fri, Feb 27 - Tue, Mar 3
Spirit Airlines Logo
11:26 am - 11:57 pm
MCI
-
BOS
11h 31m1 stop
Spirit Airlines Logo
7:00 am - 3:29 pm
BOS
-
MCI
9h 29m1 stop
$176Spirit Airlines
Tue, Feb 10 - Wed, Feb 11
American Airlines Logo
5:39 pm - 11:51 pm
SGF
-
BOS
5h 12m1 stop
American Airlines Logo
6:39 am - 12:15 pm
BOS
-
SGF
6h 36m1 stop
$251American Airlines
Thu, Jan 15 - Sun, Jan 18
American Airlines Logo
8:00 am - 5:21 pm
SGF
-
BOS
8h 21m1 stop
American Airlines Logo
1:48 pm - 9:00 pm
BOS
-
SGF
8h 12m1 stop
$257American Airlines
Fri, Feb 27 - Tue, Mar 3
United Airlines Logo
11:20 am - 9:51 pm
SGF
-
BOS
9h 31m2 stops
United Airlines Logo
4:25 pm - 9:59 pm
BOS
-
SGF
6h 34m1 stop
$275United Airlines
Fri, Feb 27 - Tue, Mar 3
United Airlines Logo
7:55 am - 5:21 pm
SGF
-
BOS
8h 26m2 stops
United Airlines Logo
1:55 pm - 9:59 pm
BOS
-
SGF
9h 04m2 stops
$319United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$67
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Kansas City to Boston

FAQs for booking flights from Missouri to Boston

  • How does KAYAK find such low prices on flights from Missouri to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Missouri to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Hampton
Waltham
Wells
Warwick
Plymouth
Middletown
Everett
Gloucester
Concord
York Beach
Woburn
Brookline
Revere
West Yarmouth
Burlington
Danvers
South Portland
Braintree
Quincy

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

Boston (BOS)