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$137+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STL
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$284
(Mytrip)

One-way from

$141
(Mytrip)

Popular in

April

Cheapest in

September

Average price

$544

Good round-trip deal

$378 or less

Good one-way deal

$190 or less
Provider with most accurate pricing for Boston Logan Intl-Kansas City flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Kansas City flights.
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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. 21% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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.
Thu 5/295:45 amBOS - MCI
1 stop9h 05mSpirit Airlines
Mon 6/22:45 pmMCI - BOS
1 stop8h 02mSpirit Airlines
Deal found 4/15$227
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Thu 5/811:46 amBOS - STL
Nonstop3h 04mAmerican Airlines
Tue 5/136:00 amSTL - BOS
1 stop8h 10mAmerican Airlines
Deal found 4/15$273
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/89:00 amBOS - STL
1 stop7h 08mDelta
Tue 5/135:40 pmSTL - BOS
1 stop5h 53mDelta
Deal found 4/15$278
This American Airlines deal was found by Cheapflights users on 4/15. 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 5/103:52 pmBOS - SGF
1 stop8h 54mAmerican Airlines
Tue 5/137:15 amSGF - BOS
1 stop8h 33mAmerican Airlines
Deal found 4/15$295
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/69:30 amBOS - MCI
1 stop6h 39mUnited Airlines
Tue 5/136:00 amMCI - BOS
1 stop6h 43mUnited Airlines
Deal found 4/15$301
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Thu 5/19:09 pmBOS - STL
3 stops22h 32mMultiple Airlines
Sun 5/46:10 pmSTL - BOS
2 stops25h 54mMultiple Airlines
Deal found 4/14$328
This CheapOair deal was found by Cheapflights users on 4/14. 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 4/166:00 amBOS - STL
1 stop18h 46mFrontier
Sun 4/204:57 pmSTL - BOS
1 stop6h 50mFrontier
Deal found 4/14$330
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 6/113:05 pmBOS - MCI
1 stop6h 29mAmerican Airlines
Sat 6/145:00 amMCI - BOS
1 stop7h 08mAmerican Airlines
Deal found 4/15$330
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Tue 6/175:36 pmBOS - SGF
1 stop15h 07mMultiple Airlines
Fri 6/201:15 pmSGF - BOS
2 stops26h 26mMultiple Airlines
Deal found 4/14$334
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/248:10 amBOS - MCI
Nonstop3h 31mDelta
Thu 5/297:25 pmMCI - BOS
Nonstop3h 04mDelta
Deal found 4/15$339
This United deal was found by Cheapflights users on 4/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:00 amBOS - STL
1 stop10h 47mUnited Airlines
Tue 5/69:40 amSTL - BOS
2 stops6h 41mUnited Airlines
Deal found 4/14$343
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/309:20 amBOS - JLN
1 stop8h 38mUnited Airlines
Sun 5/47:59 amJLN - BOS
1 stop5h 04mUnited Airlines
Deal found 4/15$344

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 April 15, 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

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Thu 5/29

5:45 am-1:50 pm

1 stop9h 05m

Kansas City

Mon 6/2

2:45 pm-11:47 pm

1 stop8h 02m

$227

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 5/8

11:46 am-1:50 pm

Nonstop3h 04m

Lambert-St Louis

Tue 5/13

6:00 am-3:10 pm

1 stop8h 10m

$273

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 5/8

9:00 am-3:08 pm

1 stop7h 08m

Lambert-St Louis

Tue 5/13

5:40 pm-12:33 am

1 stop5h 53m

$278

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Sat 5/10

3:52 pm-11:46 pm

1 stop8h 54m

Springfield-Branson

Tue 5/13

7:15 am-4:48 pm

1 stop8h 33m

$295

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Tue 5/6

9:30 am-3:09 pm

1 stop6h 39m

Kansas City

Tue 5/13

6:00 am-1:43 pm

1 stop6h 43m

$301

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 5/1

9:09 pm-6:41 pm

3 stops22h 32m

Lambert-St Louis

Sun 5/4

6:10 pm-9:04 pm

2 stops25h 54m

$328

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 5/1

11:39 am-11:31 am

1 stop24h 52m

Lambert-St Louis

Sun 5/4

8:00 am-11:04 pm

1 stop14h 04m

$330

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Wed 6/11

3:05 pm-8:34 pm

1 stop6h 29m

Kansas City

Sat 6/14

5:00 am-1:08 pm

1 stop7h 08m

$330

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Tue 6/17

5:36 pm-7:43 am

1 stop15h 07m

Springfield-Branson

Fri 6/20

1:15 pm-4:41 pm

2 stops26h 26m

$334

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Sat 5/24

8:10 am-10:41 am

Nonstop3h 31m

Kansas City

Thu 5/29

7:25 pm-11:29 pm

Nonstop3h 04m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 40 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 April 15, 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.

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 April 15, 2025.

The most flights from BOS to USMO are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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 April 15, 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
9,871 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,918 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 19 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 $141 on Spirit Airlines. Other airlines that offer cheap prices include Allegiant Air from $143 and Southwest from $151 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 (96%) and American Airlines (93%).

  • What are the cheapest flights from Boston to Missouri?

    On average you can expect to pay $356 for a flight from Boston to Missouri. The cheapest flight overall is $113 while the most popular route, (Boston Logan Intl - Kansas City) is currently priced at $198.

  • 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.

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Alternative routes for Boston to Missouri

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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$75Average$170FlexibilityNo cancel feeOn-time65%
FrontierCheapest$113Average$208FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$470FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$207Average$337FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$216Average$511FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$257Average$540FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$318Average$441FlexibilityNo cancel feeOn-time63%

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