HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missouri

$83+ Cheap flights from Boston (BOS) to Missouri

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Missouri 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 Boston to Missouri

Keep the following information in mind while searching for Boston to Missouri flight deals. Data was last updated junio 12, 2025.

Round-trip from

$257
(Delta)

One-way from

$83
(Mytrip)

Popular in

April

Cheapest in

September

Average price

$428

Good round-trip deal

$339 or less

Good one-way deal

$185 or less
From Boston Logan Intl to Missouri
Search Deals
One-way flight from Boston Logan Intl to Missouri
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Missouri.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Missouri.
Search Deals

Find flight deals from Boston to Missouri

Cheapest flights from Boston to Missouri
Explore the most affordable flight options available from Boston to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 8/265:25 pmBOS - SGF
1 stop5h 40mDelta
sáb. 8/303:54 pmSGF - BOS
1 stop6h 20mDelta
Deal found 6/10$257
This American Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 8/1311:52 amBOS - SGF
1 stop6h 00mAmerican Airlines
vie. 8/223:45 pmSGF - BOS
1 stop7h 14mAmerican Airlines
Deal found 6/12$260
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/244:44 pmBOS - MCI
1 stop18h 26mSpirit Airlines
jue. 6/267:49 pmMCI - BOS
1 stop11h 50mSpirit Airlines
Deal found 6/10$302
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/2512:51 pmBOS - MCI
2 stops27h 26mMultiple Airlines
lun. 7/286:04 pmMCI - BOS
1 stop24h 30mMultiple Airlines
Deal found 6/11$304
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/89:58 amBOS - STL
3 stops25h 31mSpirit Airlines
mar. 7/155:26 pmSTL - BOS
1 stop29h 22mSpirit Airlines
Deal found 6/11$320
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/72:26 pmBOS - STL
3 stops29h 15mMultiple Airlines
mié. 7/911:24 amSTL - BOS
2 stops23h 07mMultiple Airlines
Deal found 6/10$321
This United Airlines deal was found by Cheapflights users on 6/12. 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.
dom. 9/76:10 amBOS - SGF
1 stop5h 40mUnited Airlines
dom. 9/146:20 pmSGF - BOS
1 stop5h 25mUnited Airlines
Deal found 6/12$322
This Delta deal was found by Cheapflights users on 6/10. 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.
mié. 7/306:00 amBOS - STL
1 stop6h 34mDelta
lun. 8/46:04 pmSTL - BOS
1 stop13h 56mDelta
Deal found 6/10$324
This Sun Country Air deal was found by Cheapflights users on 6/12. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/1411:38 amBOS - STL
1 stop24h 52mSun Country Air
dom. 8/178:00 amSTL - BOS
1 stop25h 37mSun Country Air
Deal found 6/12$325
This Southwest deal was found by Cheapflights users on 6/10. 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.
mar. 7/85:25 amBOS - STL
1 stop7h 45mSouthwest
mar. 7/152:50 pmSTL - BOS
Nonstop2h 35mSouthwest
Deal found 6/10$327
This Delta deal was found by Cheapflights users on 6/10. 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.
mié. 8/66:25 amBOS - MCI
1 stop27h 48mDelta
sáb. 8/95:56 pmMCI - BOS
Nonstop3h 10mDelta
Deal found 6/10$331
This American Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 7/46:59 amBOS - STL
1 stop10h 29mAmerican Airlines
mar. 7/86:25 pmSTL - BOS
Nonstop2h 42mAmerican Airlines
Deal found 6/11$332

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Missouri 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 junio 12, 2025.
Use the filters below to find and compare flights from Boston to Missouri that are best for you.

Fly from

Boston

Fly to

Missouri

Route

Depart

Return

Price

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

mar. 8/26

5:25 pm-10:05 pm

1 stop5h 40m

Springfield-Branson

sáb. 8/30

3:54 pm-11:14 pm

1 stop6h 20m

$257

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

mié. 8/13

11:52 am-4:52 pm

1 stop6h 00m

Springfield-Branson

vie. 8/22

3:45 pm-11:59 pm

1 stop7h 14m

$260

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

mar. 6/24

4:44 pm-10:10 am

1 stop18h 26m

Kansas City

jue. 6/26

7:49 pm-8:39 am

1 stop11h 50m

$302

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

vie. 7/25

12:51 pm-3:17 pm

2 stops27h 26m

Kansas City

lun. 7/28

6:04 pm-7:34 pm

1 stop24h 30m

$304

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

mar. 7/8

9:58 am-10:29 am

3 stops25h 31m

Lambert-St Louis

mar. 7/15

5:26 pm-11:48 pm

1 stop29h 22m

$320

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

lun. 7/7

2:26 pm-6:41 pm

3 stops29h 15m

Lambert-St Louis

mié. 7/9

11:24 am-11:31 am

2 stops23h 07m

$321

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

dom. 9/7

6:10 am-10:50 am

1 stop5h 40m

Springfield-Branson

dom. 9/14

6:20 pm-12:45 am

1 stop5h 25m

$322

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

mié. 7/30

8:05 am-12:34 pm

1 stop5h 29m

Lambert-St Louis

mar. 8/5

10:46 am-10:42 pm

1 stop10h 56m

$324

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

jue. 8/14

11:38 am-11:30 am

1 stop24h 52m

Lambert-St Louis

dom. 8/17

8:00 am-10:37 am

1 stop25h 37m

$325

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

mar. 7/8

5:25 am-12:10 pm

1 stop7h 45m

Lambert-St Louis

mar. 7/15

2:50 pm-6:25 pm

Nonstop2h 35m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 45 results
1
2
3
...
5

Best time to book a flight from Boston to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Boston 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 Boston to Missouri

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

Currently, August is the cheapest month in which you can book a flight from Boston to Missouri (average of $311). Flying from Boston to Missouri in March is currently the most expensive (average of $356). 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 BOS to MO?

Find hourly flight availability from Boston to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from Boston to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Missouri by month

Plan your trip to Missouri by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

Plan your trip to Missouri by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missouri, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from Boston to Missouri, such as Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Boston to Missouri. 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 from for flights from Boston to Missouri?

    For a flight from Boston to Missouri, you will be flying from Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city.

  • How popular is this Boston to Missouri flight route?

    The Boston Logan Intl to Missouri flight path was viewed by 30 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    One-way options have recently been found by users for as low as $83 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $111 and Allegiant Air from $126 one-way.

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

    The most popular flight routes from Boston to Missouri are Boston Logan Intl - Kansas City, Boston Logan Intl - Lambert-St Louis and Boston Logan Intl - Springfield-Branson.

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

    The top 3 most reliable airlines when flying from Boston to Missouri are Iberia (100%), Republic Airways (99%) and American Airlines (97%).

  • What are the cheapest flights from Boston to Missouri?

    On average you can expect to pay $342 for a flight from Boston to Missouri. The cheapest flight overall is $144 while the most popular route, (Boston Logan Intl - Kansas City) is currently priced at $168.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Missouri 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 Boston to Missouri?

    Currently, August is the cheapest month in which you can book a flight from Boston to Missouri (average of $311). Flying from Boston to Missouri in March is currently the most expensive (average of $356). 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

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 Boston to Missouri

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

Top 6 airlines flying from Boston to Missouri

Discover the top 6 airlines that operate flights from Boston to Missouri. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$170FlexibilityNo cancel feeOn-time65%
FrontierCheapest$113Average$212FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$455FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$215Average$507FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$257Average$517FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$318Average$442FlexibilityNo 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.