Missouri

$70+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STL
Mar 5 — Mar 121
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Cheap 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 February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 3/254:23 pm
BOS
-
MCI
1 stop8h 30m
Spirit Airlines
Sat 3/2812:24 pm
MCI
-
BOS
1 stop10h 35m
Spirit Airlines
Deal found 2/2$163
This CheapOair deal was found by Cheapflights users on 2/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:27 am
BOS
-
MCI
1 stop30h 03m
Spirit Airlines
Mon 3/211:26 am
MCI
-
BOS
1 stop28h 49m
Spirit Airlines
Deal found 2/1$166
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 2/256:10 pm
BOS
-
MCI
1 stop17h 20m
Multiple Airlines
Fri 2/2711:00 am
MCI
-
BOS
1 stop13h 13m
Multiple Airlines
Deal found 2/2$184
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Mon 4/65:30 am
BOS
-
MCI
1 stop11h 06m
Multiple Airlines
Wed 4/812:24 pm
MCI
-
BOS
1 stop10h 35m
Multiple Airlines
Deal found 2/2$186
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Mon 3/24:22 pm
BOS
-
MCI
1 stop24h 07m
Multiple Airlines
Mon 3/95:08 pm
MCI
-
BOS
1 stop17h 33m
Multiple Airlines
Deal found 1/31$188
This CheapOair deal was found by Cheapflights users on 2/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:10 pm
BOS
-
MCI
1 stop17h 20m
Spirit Airlines
Tue 3/34:24 pm
MCI
-
BOS
1 stop28h 37m
Spirit Airlines
Deal found 2/1$191
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:23 pm
BOS
-
MCI
1 stop8h 30m
Spirit Airlines
Fri 3/275:45 am
MCI
-
BOS
1 stop10h 09m
Spirit Airlines
Deal found 2/2$196
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/226:00 am
BOS
-
MCI
1 stop28h 53m
Frontier
Fri 2/2711:00 am
MCI
-
BOS
1 stop13h 13m
Frontier
Deal found 2/2$199
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Mon 4/65:30 am
BOS
-
MCI
1 stop11h 06m
Frontier
Fri 4/104:31 pm
MCI
-
BOS
1 stop18h 14m
Frontier
Deal found 2/1$204
This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:27 am
BOS
-
MCI
1 stop30h 03m
Spirit Airlines
Mon 3/911:26 am
MCI
-
BOS
1 stop28h 49m
Spirit Airlines
Deal found 2/2$205
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:00 am
BOS
-
SGF
1 stop8h 06m
American Airlines
Sat 2/286:01 pm
SGF
-
BOS
1 stop4h 58m
American Airlines
Deal found 2/2$270
This American Airlines deal was found by Cheapflights users on 1/31. 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 5/297:00 am
BOS
-
COU
1 stop11h 56m
American Airlines
Mon 6/110:40 am
COU
-
BOS
1 stop9h 12m
American Airlines
Deal found 1/31$274

Find flight deals from Boston to Missouri

Keep the following information in mind while searching for Boston to Missouri flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$163
(Kiwi.com)

One-way from

$70
(Frontier)

Popular in

April

Cheapest in

August

Average price

$434

Good round-trip deal

$378 or less

Good one-way deal

$216 or less
Provider with most accurate pricing for Boston Logan Intl-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Lambert-St Louis flights.
From Boston Logan Intl to Missouri
One-way flight from Boston Logan Intl to Missouri
Highest demand for flights based on searches. 5% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Boston Logan Intl to Missouri.
Price to beat on a one-way flight from Boston Logan Intl to Missouri.

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 February 3, 2026.
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

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Tue 2/24

6:10 pm-3:29 pm

2 stops22h 19m

Kansas City

Fri 2/27

11:00 am-1:13 am

1 stop13h 13m

$212

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Wed 3/25

6:01 am-11:29 am

3 stops30h 28m

Kansas City

Sat 3/28

12:24 pm-11:59 pm

1 stop10h 35m

$217

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Wed 2/25

6:10 pm-10:30 am

1 stop17h 20m

Kansas City

Sun 3/1

10:53 am-1:12 am

1 stop13h 19m

$224

BostonColumbia

BOS - COU

BOSCOU

Boston Logan Intl

Fri 5/29

7:00 am-5:56 pm

1 stop11h 56m

Columbia Regional

Mon 6/1

10:40 am-8:52 pm

1 stop9h 12m

$274

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Sat 5/23

8:00 am-2:35 pm

1 stop7h 35m

Springfield-Branson

Sat 5/30

4:00 pm-10:18 pm

1 stop5h 18m

$289

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Sun 5/10

8:00 am-2:35 pm

1 stop7h 35m

Springfield-Branson

Sat 5/16

4:00 pm-10:18 pm

1 stop5h 18m

$289

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Sat 3/7

9:25 am-3:58 pm

1 stop7h 33m

Springfield-Branson

Wed 3/11

6:00 pm-12:05 am

1 stop5h 05m

$289

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Fri 2/20

12:26 pm-5:50 pm

1 stop6h 24m

Springfield-Branson

Wed 2/25

6:05 pm-11:59 pm

1 stop4h 54m

$294

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Thu 3/12

11:02 am-5:33 pm

1 stop7h 31m

Springfield-Branson

Mon 3/23

6:08 pm-12:35 am

1 stop5h 27m

$305

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Wed 2/25

10:00 am-5:06 pm

1 stop8h 06m

Springfield-Branson

Sun 3/1

6:05 pm-11:59 pm

1 stop4h 54m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 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 $162). Flying from Boston to Missouri in June is currently the most expensive (average of $284). 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 February 3, 2026.

It’s optimal to fly from Boston to Missouri in the morning. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Boston to Missouri. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their Boston to Missouri flight should consider departing on Wednesday at noon 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.

Weekly flight availability from Boston to Missouri

Explore weekly flight availability from Boston to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 3, 2026.

The most flights from BOS to USMO are scheduled on a Friday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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 February 3, 2026.
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.

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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?

  • How long is the flight from Boston to Missouri?

    Departing from Boston to Missouri will take you 7h 35m. Boston and Missouri are separated by a distance of 1234 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 $64 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $82 and Delta from $118 one-way.

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

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

    The top 3 most reliable airlines when flying from Boston to Missouri are Iberia (84%), Envoy Air (81%) and American Airlines (80%).

  • What are the cheapest flights from Boston to Missouri?

    On average you can expect to pay $605 for a flight from Boston to Missouri. The cheapest flight overall is $143 while the most popular route, (Boston Logan Intl - Kansas City) is currently priced at $163.

  • 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 $162). Flying from Boston to Missouri in June is currently the most expensive (average of $284). 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.

Top 7 airlines flying from Boston to Missouri

Discover the top 7 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$63Average$234FlexibilityNo cancel feeOn-time65%
FrontierCheapest$90Average$270FlexibilityNo cancel feeOn-time62%
DeltaCheapest$154Average$427FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$484FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$280Average$462FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$309Average$446FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$385Average$430FlexibilityNo cancel feeOn-time62%

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