BOS

$40 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 12/25. 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

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$194
Typical prices: $389-$619
Multiple Airlines
Thu 12/11Sun 12/14
MCI - BOS • 1 stop
Cheapest non-stop
$345
Typical prices: $375-$571
Southwest
Sat 12/13Tue 12/16
STL - BOS • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
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

Thu, Dec 11 - Sun, Dec 14
Multiple Airlines Logo
3:47 pm - 9:57 amMCI-BOS
17h 10m1 stop
Multiple Airlines Logo
11:28 am - 11:51 amBOS-MCI
25h 23m1 stop
$194Multiple Airlines
Find Deal
Thu, Dec 11 - Sun, Dec 14
Multiple Airlines Logo
3:47 pm - 9:57 amMCI-BOS
17h 10m1 stop
Multiple Airlines Logo
11:28 am - 11:51 amBOS-MCI
25h 23m1 stop
$195Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Spirit Airlines Logo
6:00 am - 4:50 pmMCI-BOS
9h 50m1 stop
Spirit Airlines Logo
8:11 pm - 11:15 pmBOS-MCI
28h 04m1 stop
$196Spirit Airlines
Find Deal
Wed, Nov 26 - Tue, Dec 30
Frontier Logo
11:20 am - 12:44 amMCI-BOS
12h 24m1 stop
Frontier Logo
10:37 am - 10:08 amBOS-MCI
24h 31m1 stop
$212Frontier
Find Deal
Fri, Dec 12 - Mon, Dec 15
Spirit Airlines Logo
3:47 pm - 10:01 amMCI-BOS
17h 14m1 stop
Spirit Airlines Logo
11:08 am - 11:15 pmBOS-MCI
13h 07m1 stop
$214Spirit Airlines
Find Deal
Fri, Nov 21 - Sun, Nov 23
Frontier Logo
11:20 am - 12:44 amMCI-BOS
12h 24m1 stop
Frontier Logo
6:00 am - 11:00 amBOS-MCI
30h 00m2 stops
$239Frontier
Find Deal
Sat, Dec 6 - Mon, Dec 8
United Airlines Logo
9:00 am - 8:00 pmCOU-BOS
10h 00m1 stop
United Airlines Logo
12:50 pm - 5:40 pmBOS-COU
5h 50m1 stop
$248United Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 8
United Airlines Logo
9:00 am - 6:48 pmCOU-BOS
8h 48m2 stops
United Airlines Logo
10:40 am - 5:40 pmBOS-COU
8h 00m1 stop
$254United Airlines
Find Deal
Tue, Jan 13 - Sun, Jan 18
American Airlines Logo
4:29 pm - 11:30 pmSGF-BOS
6h 01m1 stop
American Airlines Logo
2:43 pm - 9:16 pmBOS-SGF
7h 33m1 stop
$260American Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
American Airlines Logo
1:25 pm - 10:33 pmSGF-BOS
8h 08m1 stop
American Airlines Logo
2:35 pm - 8:54 pmBOS-SGF
7h 19m1 stop
$269American Airlines
Find Deal
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$40
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 2% increase in price.
Flight from St. Louis 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
Plymouth
Warwick
Middletown
Everett
Gloucester
Concord
York Beach
Woburn
Brookline
Revere
West Yarmouth
Danvers
Burlington
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)