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$73+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$251
(American Airlines)

One-way from

$73
(Cheapflightsfares)

Popular in

April

Cheapest in

October

Average price

$368

Good round-trip deal

$356 or less

Good one-way deal

$170 or less
From Boston Logan Intl to Missouri
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One-way flight from Boston Logan Intl to Missouri
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Highest demand for flights based on searches. 11% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Missouri.
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Price to beat on a one-way flight from Boston Logan Intl to Missouri.
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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 September 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:15 amBOS - MCI
1 stop7h 24mSpirit Airlines
Sun 12/141:44 pmMCI - BOS
1 stop7h 24mSpirit Airlines
Deal found 9/17$265
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 9/2412:20 pmBOS - MCI
1 stop11h 47mMultiple Airlines
Mon 9/295:15 pmMCI - BOS
2 stops16h 58mMultiple Airlines
Deal found 9/15$267
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/292:53 pmBOS - MCI
1 stop9h 14mSpirit Airlines
Fri 10/311:13 amMCI - BOS
1 stop11h 44mSpirit Airlines
Deal found 9/16$268
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:16 amBOS - MCI
1 stop11h 00mSpirit Airlines
Mon 10/275:15 amMCI - BOS
1 stop7h 05mSpirit Airlines
Deal found 9/16$269
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 11/56:15 amBOS - MCI
2 stops29h 02mMultiple Airlines
Fri 11/710:09 amMCI - BOS
1 stop10h 59mMultiple Airlines
Deal found 9/15$270
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 11/42:15 pmBOS - MCI
1 stop19h 49mMultiple Airlines
Sun 11/911:12 amMCI - BOS
2 stops20h 01mMultiple Airlines
Deal found 9/15$271
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/308:24 pmBOS - MCI
1 stop20h 52mMultiple Airlines
Sun 11/25:15 amMCI - BOS
1 stop26h 13mMultiple Airlines
Deal found 9/15$272
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/178:24 pmBOS - STL
1 stop22h 46mMultiple Airlines
Mon 10/208:21 pmSTL - BOS
2 stops15h 59mMultiple Airlines
Deal found 9/15$273
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Fri 10/246:16 amBOS - MCI
1 stop11h 00mMultiple Airlines
Sun 10/2611:37 amMCI - BOS
2 stops22h 39mMultiple Airlines
Deal found 9/16$273
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/188:00 amBOS - STL
1 stop9h 04mAmerican Airlines
Mon 10/207:00 pmSTL - BOS
Nonstop2h 37mAmerican Airlines
Deal found 9/15$276
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:16 amBOS - MCI
1 stop11h 00mSpirit Airlines
Thu 10/95:15 amMCI - BOS
1 stop7h 05mSpirit Airlines
Deal found 9/15$276
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 11/135:45 amBOS - MCI
1 stop30h 23mSpirit Airlines
Sat 11/151:44 pmMCI - BOS
1 stop7h 24mSpirit Airlines
Deal found 9/15$277

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 September 17, 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

BostonColumbia

BOS - COU

BOSCOU

Boston Logan Intl

Thu 10/2

12:52 pm-9:54 pm

1 stop10h 02m

Columbia Regional

Mon 10/6

6:23 am-4:49 pm

1 stop9h 26m

$290

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Tue 10/7

9:53 am-2:27 pm

1 stop5h 34m

Lambert-St Louis

Wed 10/8

5:00 am-11:02 am

1 stop5h 02m

$297

BostonColumbia

BOS - COU

BOSCOU

Boston Logan Intl

Tue 9/30

5:00 am-1:06 pm

1 stop9h 06m

Columbia Regional

Sat 10/4

1:36 pm-11:53 pm

1 stop9h 17m

$305

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Sun 12/7

9:15 am-3:20 pm

1 stop7h 05m

Springfield-Branson

Sat 12/13

4:05 pm-1:21 am

1 stop8h 16m

$318

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Sat 10/18

6:00 am-10:50 am

1 stop5h 50m

Springfield-Branson

Sat 10/25

6:00 am-2:08 pm

1 stop7h 08m

$319

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Tue 10/7

5:15 am-9:10 am

1 stop4h 55m

Kansas City

Wed 10/15

4:35 pm-10:15 pm

1 stop4h 40m

$326

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Tue 10/21

12:10 pm-4:07 pm

1 stop4h 57m

Lambert-St Louis

Fri 10/24

12:25 pm-7:31 pm

1 stop6h 06m

$329

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Wed 12/17

10:20 am-3:35 pm

1 stop6h 15m

Kansas City

Thu 1/1

6:15 am-11:45 am

1 stop4h 30m

$331

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Wed 12/3

10:20 am-12:25 pm

Nonstop3h 05m

Lambert-St Louis

Sat 12/6

8:25 am-11:55 am

Nonstop2h 30m

$333

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Tue 10/28

5:30 am-11:25 am

1 stop6h 55m

Lambert-St Louis

Thu 10/30

8:10 pm-11:40 pm

Nonstop2h 30m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 59 results
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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 September 17, 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.

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 September 17, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Boston to Missouri. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 45 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 Boston to Missouri?

    Departing from Boston to Missouri will take you 5h 34m. Boston and Missouri are separated by a distance of 1043 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $107 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $149 and Delta from $153 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 (96%), Envoy Air (89%) and American Airlines (86%).

  • What are the cheapest flights from Boston to Missouri?

    On average you can expect to pay $325 for a flight from Boston to Missouri. The cheapest flight overall is $108 while the most popular route, (Boston Logan Intl - Kansas City) is currently priced at $153.

  • 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

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Alternative routes for Boston to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$83Average$196FlexibilityNo cancel feeOn-time65%
FrontierCheapest$113Average$213FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$208Average$507FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$257Average$513FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$294Average$436FlexibilityNo cancel feeOn-time63%

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