HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$65+ Cheap flights from Missouri to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
May 7 — May 141
Thu 5/7
Thu 5/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Missouri to Boston

Cheapest flights from Missouri to Boston
Explore the most affordable flight options available from Missouri to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 7, 2026.

This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am
SGF
-
BOS
1 stop6h 49m
Delta
Sat 10/315:45 pm
BOS
-
SGF
1 stop5h 47m
Delta
Deal found 4/6$295
This Delta deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:52 pm
SGF
-
BOS
1 stop5h 31m
Delta
Thu 5/288:00 am
BOS
-
SGF
1 stop7h 37m
Delta
Deal found 4/4$320
This American Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:42 am
SGF
-
BOS
1 stop6h 48m
American Airlines
Tue 9/155:57 am
BOS
-
SGF
1 stop7h 36m
American Airlines
Deal found 4/3$322
This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
COU
-
BOS
1 stop7h 44m
American Airlines
Sat 8/155:29 am
BOS
-
COU
1 stop6h 44m
American Airlines
Deal found 4/6$328
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:45 pm
SGF
-
BOS
1 stop5h 21m
Delta
Sat 8/225:45 pm
BOS
-
SGF
1 stop5h 44m
Delta
Deal found 4/2$347
This Southwest deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:30 pm
STL
-
BOS
Nonstop2h 35m
Southwest
Mon 5/114:45 pm
BOS
-
STL
1 stop7h 40m
Southwest
Deal found 4/3$347
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:16 am
STL
-
BOS
1 stop23h 09m
Frontier
Thu 4/2312:28 pm
BOS
-
STL
1 stop19h 22m
Frontier
Deal found 4/2$348
This American Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:03 am
SGF
-
BOS
1 stop6h 48m
American Airlines
Wed 12/303:42 pm
BOS
-
SGF
1 stop7h 46m
American Airlines
Deal found 4/4$349
This American Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:54 pm
STL
-
BOS
Nonstop2h 41m
American Airlines
Sat 5/93:59 pm
BOS
-
STL
1 stop8h 57m
American Airlines
Deal found 4/3$350
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:33 pm
STL
-
BOS
1 stop12h 16m
Multiple Airlines
Wed 6/109:20 am
BOS
-
STL
1 stop15h 54m
Multiple Airlines
Deal found 4/3$354
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 pm
COU
-
BOS
1 stop5h 35m
United Airlines
Sat 8/229:34 am
BOS
-
COU
2 stops9h 11m
United Airlines
Deal found 4/6$354
This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:08 am
STL
-
BOS
1 stop5h 44m
American Airlines
Mon 6/85:49 pm
BOS
-
STL
1 stop7h 05m
American Airlines
Deal found 4/6$355

Find flight deals from Missouri to Boston

Keep the following information in mind while searching for Missouri to Boston flight deals. Data was last updated April 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$295
(American Airlines)

One-way from

$65
(Trip.com)

Popular in

February

Cheapest in

September

Average price

$465

Good round-trip deal

$461 or less

Good one-way deal

$260 or less
Provider with most accurate pricing for Lambert-St Louis-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Boston Logan Intl flights.
Search Deals
From Missouri to Boston Logan Intl
Search Deals
One-way flight from Missouri to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Missouri to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Missouri to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Boston 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, Cheapflights users made 2,558,603 searches. Data last updated April 7, 2026.
Use the filters below to find and compare flights from Missouri to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

Fri 9/25

6:45 pm-1:06 am

1 stop5h 21m

Boston Logan Intl

Tue 9/29

4:20 pm-10:29 pm

1 stop7h 09m

$322

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Sat 5/9

1:45 pm-5:20 pm

Nonstop2h 35m

Boston Logan Intl

Mon 5/11

7:10 am-12:55 pm

1 stop6h 45m

$363

JoplinBoston

JLN - BOS

JLNBOS

Joplin

Fri 5/8

2:28 pm-11:59 pm

1 stop8h 31m

Boston Logan Intl

Sun 5/10

7:30 am-1:37 pm

1 stop7h 07m

$364

JoplinBoston

JLN - BOS

JLNBOS

Joplin

Wed 5/6

9:06 am-5:22 pm

1 stop7h 16m

Boston Logan Intl

Wed 5/13

8:05 am-1:37 pm

1 stop6h 32m

$364
Quickest round-trip

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Sun 5/31

7:55 pm-11:25 pm

Nonstop2h 30m

Boston Logan Intl

Mon 6/8

5:35 am-7:25 am

Nonstop2h 50m

$369

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

Tue 4/21

6:00 am-2:26 pm

2 stops7h 26m

Boston Logan Intl

Sat 4/25

9:20 am-2:35 pm

1 stop6h 15m

$372

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Wed 5/27

5:35 am-11:00 am

1 stop4h 25m

Boston Logan Intl

Sun 5/31

5:40 am-7:40 am

Nonstop3h 00m

$379

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Mon 6/8

2:10 pm-6:10 pm

Nonstop3h 00m

Boston Logan Intl

Tue 6/9

2:15 pm-4:35 pm

Nonstop3h 20m

$385

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Sat 6/13

8:45 pm-12:15 am

Nonstop2h 30m

Boston Logan Intl

Wed 7/1

5:50 am-7:45 am

Nonstop2h 55m

$389

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Tue 5/5

10:25 am-7:26 pm

1 stop8h 01m

Boston Logan Intl

Sat 5/9

3:32 pm-10:45 pm

2 stops8h 13m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Missouri to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Boston

What is the cheapest month to book a flight from Missouri to Boston?

Currently, April is the cheapest month in which you can book a flight from Missouri to Boston (average of $179). Flying from Missouri to Boston in March is currently the most expensive (average of $332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to BOS?

Find hourly flight availability from Missouri to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 7, 2026.

A simple way to save on the total cost of your ticket is to fly from Missouri to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Missouri to Boston?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Boston. Price data was last updated on April 4, 2026.

Travelers seeking maximum savings on their Missouri to Boston flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Missouri to Boston?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from Missouri?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Boston from Missouri.

  • How popular is this Missouri to Boston flight route?

    The Missouri to Boston Logan Intl flight path was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Missouri to Boston?

    For as low as $363, Delta can have you in Boston from Missouri in 2h 35m. Airlines will cover a distance of 1043 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Boston one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $70. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from Missouri to Boston for a low price.

  • What are the most popular routes from Missouri to Boston?

    When deciding which route to take from Missouri to Boston consider Kansas City - Boston Logan Intl, Lambert-St Louis - Boston Logan Intl or Springfield-Branson - Boston Logan Intl as they are the most popular.

  • What are the most reliable airlines from Missouri to Boston?

    No one likes to see their flight delayed. When booking a flight from Missouri to Boston consider choosing Southwest (71%), British Airways (70%) or Republic Airways (67%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Missouri to Boston?

    The cheapest flight price from Missouri to Boston is $179. On average you can expect to pay $874. The most popular route, (Kansas City - Boston Logan Intl), can usually be booked for $243.

  • Can I find deals for flights from Missouri to Boston that include hotel bookings?

    Yes. In addition to deals on Missouri to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Boston.

  • Can I find deals for business class flights from Missouri to Boston?

    Yes. Cheapflights offers flight deals from Missouri to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Boston?

    Currently, April is the cheapest month in which you can book a flight from Missouri to Boston (average of $179). Flying from Missouri to Boston in March is currently the most expensive (average of $332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Seabrook
Warwick
Peabody
York Beach
Londonderry
Swansea
Old Orchard Beach
Lincoln
Quincy
Waltham
Lowell

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Boston flights
Los Angeles to Boston flights
San Francisco to Boston flights
Seattle to Boston flights
Dulles Intl to Boston flights
Atlanta to Boston flights
O'Hare Intl to Boston flights
Reagan-National to Boston flights
Denver to Boston flights
Baltimore to Boston flights
Minneapolis to Boston flights
Raleigh to Boston flights
Miami to Boston flights
Hobby to Boston flights
Tampa to Boston flights
San Diego to Boston flights
Philadelphia to Boston flights
Austin to Boston flights
Sky Harbor Intl to Boston flights
Detroit to Boston flights
George Bush Intcntl to Boston flights
Fort Lauderdale to Boston flights
Orlando to Boston flights
Cincinnati to Boston flights
Charlotte to Boston flights
Milwaukee to Boston flights
Ontario to Boston flights
Nashville to Boston flights
Cleveland to Boston flights
Columbus to Boston flights
LaGuardia to Boston flights
Orlando to Hartford flights
John F Kennedy Intl to Boston flights
Salt Lake City to Boston flights
Richmond to Boston flights
Portland to Boston flights
Pittsburgh to Boston flights
Newark to Boston flights
Love Field to Boston flights
Fort Myers to Boston flights
Jacksonville to Boston flights
Kansas City to Boston flights
West Palm Beach to Boston flights
Midway to Boston flights
Denver to Hartford flights
Indianapolis to Boston flights
O'Hare Intl to Hartford flights
St. Louis to Boston flights
San Jose to Boston flights
Charleston to Boston flights

Top 6 airlines flying from Missouri to Boston

Discover the top 6 airlines that operate flights from Missouri to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$73Average$237FlexibilityNo cancel feeOn-time65%
FrontierCheapest$125Average$200FlexibilityNo cancel feeOn-time62%
DeltaCheapest$153Average$432FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$217Average$449FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$459FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$304Average$462FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.