BOS

$82 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 4/1. 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 23% 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
$157
Typical prices: $404-$526
Multiple Airlines
Mon 3/2Wed 3/4
STL - BOS • 2 stops
Cheapest non-stop
$299
Typical prices: $404-$511
Southwest
Thu 3/12Sat 3/21
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

Mon, Mar 2 - Wed, Mar 4
Multiple Airlines Logo
8:22 pm - 11:44 pm
STL
-
BOS
26h 22m
2 stops
Multiple Airlines Logo
12:43 pm - 10:27 pm
BOS
-
STL
10h 44m
1 stop
$157Multiple Airlines
Mon, Mar 2 - Wed, Mar 4
Multiple Airlines Logo
8:22 pm - 1:13 am
STL
-
BOS
27h 51m
1 stop
Multiple Airlines Logo
12:43 pm - 10:27 pm
BOS
-
STL
10h 44m
1 stop
$164Multiple Airlines
Mon, Feb 23 - Fri, Feb 27
Frontier Logo
8:22 pm - 1:13 am
STL
-
BOS
27h 51m
1 stop
Frontier Logo
6:00 am - 6:51 am
BOS
-
STL
25h 51m
1 stop
$174Frontier
Wed, Feb 18 - Sun, Feb 22
Frontier Logo
8:17 pm - 1:13 am
STL
-
BOS
27h 56m
1 stop
Frontier Logo
6:00 am - 6:51 am
BOS
-
STL
25h 51m
1 stop
$180Frontier
Tue, Mar 3 - Mon, Mar 9
Spirit Airlines Logo
4:24 pm - 11:48 am
MCI
-
BOS
18h 24m
1 stop
Spirit Airlines Logo
4:22 pm - 3:29 pm
BOS
-
MCI
24h 07m
1 stop
$193Spirit Airlines
Tue, Mar 10 - Tue, Mar 17
Spirit Airlines Logo
4:24 pm - 11:48 am
MCI
-
BOS
18h 24m
1 stop
Spirit Airlines Logo
4:23 pm - 11:53 pm
BOS
-
MCI
8h 30m
1 stop
$194Spirit Airlines
Thu, Mar 12 - Sat, Mar 21
American Airlines Logo
10:08 am - 7:23 pm
COU
-
BOS
8h 15m
1 stop
American Airlines Logo
6:52 am - 6:20 pm
BOS
-
COU
12h 28m
1 stop
$271American Airlines
Fri, Apr 3 - Fri, Apr 10
American Airlines Logo
10:08 am - 11:01 pm
COU
-
BOS
11h 53m
1 stop
American Airlines Logo
12:22 pm - 9:30 pm
BOS
-
COU
10h 08m
1 stop
$274American Airlines
Wed, Feb 25 - Mon, Mar 2
United Airlines Logo
11:15 am - 5:19 pm
COU
-
BOS
5h 04m
1 stop
United Airlines Logo
6:00 am - 10:33 am
BOS
-
COU
5h 33m
1 stop
$283United Airlines
Wed, Feb 25 - Mon, Mar 2
United Airlines Logo
8:00 am - 6:41 pm
COU
-
BOS
9h 41m
2 stops
United Airlines Logo
6:00 am - 10:33 am
BOS
-
COU
5h 33m
1 stop
$289United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$82
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly with an average 4% 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
Warwick
Wells
Plymouth
Everett
Middletown
Gloucester
Concord
Woburn
York Beach
Revere
Brookline
Burlington
West Yarmouth
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