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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$69 CHEAP FLIGHTS from Missouri to Boston

BOS

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

...and more

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.

Flight Deals

Cheap Flights from Missouri to Boston

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Missouri to Boston

Thu, Apr 9 - Sun, Apr 12

6:29 pm - 1:26 am

STL

BOS

5h 57m

1 stop

5:30 am - 10:38 am

BOS

STL

6h 08m

1 stop

$200Frontier

Thu, Apr 9 - Sun, Apr 12

6:29 pm - 1:26 am

STL

BOS

5h 57m

1 stop

5:30 am - 10:38 am

BOS

STL

6h 08m

1 stop

$221Frontier

Tue, Apr 7 - Tue, Apr 14

11:21 am - 1:26 am

STL

BOS

13h 05m

1 stop

6:01 am - 6:50 am

BOS

STL

25h 49m

2 stops

$236Multiple Airlines

Thu, Apr 9 - Tue, Apr 14

6:29 pm - 11:45 am

STL

BOS

16h 16m

1 stop

6:01 am - 6:50 am

BOS

STL

25h 49m

2 stops

$251Multiple Airlines

Wed, Apr 29 - Mon, May 4

4:28 pm - 12:25 am

COU

BOS

6h 57m

1 stop

3:16 pm - 9:30 pm

BOS

COU

7h 14m

1 stop

$288American Airlines

Tue, Apr 28 - Tue, May 5

6:55 pm - 1:15 am

SGF

BOS

5h 20m

1 stop

3:00 pm - 9:07 pm

BOS

SGF

7h 07m

1 stop

$290Delta

Wed, Apr 29 - Mon, May 4

3:23 pm - 11:59 pm

COU

BOS

7h 36m

2 stops

8:25 pm - 12:48 am

BOS

COU

5h 23m

1 stop

$294United Airlines

Wed, Apr 8 - Wed, Apr 15

11:30 am - 7:41 pm

COU

BOS

7h 11m

1 stop

9:20 am - 2:48 pm

BOS

COU

6h 28m

1 stop

$308United Airlines

Tue, Aug 4 - Tue, Aug 11

2:11 pm - 10:46 pm

SGF

BOS

7h 35m

1 stop

5:55 am - 11:34 am

BOS

SGF

6h 39m

1 stop

$309American Airlines

Sun, Apr 5 - Tue, Apr 14

6:00 am - 1:10 pm

SGF

BOS

6h 10m

1 stop

2:15 pm - 9:07 pm

BOS

SGF

7h 52m

1 stop

$334Delta

Useful Info

Low season	January
High season	July
Cheapest flight	$69

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly with an average 3% increase in price.

Flight from St. Louis 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.

Hampton Beach

Hampton

Warwick

Waltham

Wells

Plymouth

Everett

Middletown

Gloucester

Concord

Woburn

Brookline

Revere

York Beach

Burlington

West Yarmouth

Danvers

South Portland

Braintree

Quincy

Everything you need to know for your flight to Boston

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Boston

Boston (BOS)

BOS

$69 Find Cheap Flights from Missouri to Boston

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

Cheap Flights from Missouri to Boston

Recent round-trip flight deals from Missouri to Boston

Recent one-way flight deals from Missouri to Boston

Recent last minute flight deals from Missouri to Boston

Recent direct flight deals from Missouri to Boston

Good to know

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?

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

Cabin class types available on flights to Missouri

Complete your trip to Boston with a hotel stay or car rental

Find direct flights for Boston

Flights to other popular destinations

Flights from domestic origins to Boston

Choose which airport to fly into in Boston

Find deals for your return flight