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$140+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STL
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 March 25, 2025.

Round-trip from

$279
(CheapOair)

One-way from

$144
(Mytrip)

Good round-trip deal

$299 or less

Good one-way deal

$195 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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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 March 25, 2025.

This Mytrip deal was found by Cheapflights users on 3/22. 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 5/87:47 pmBOS - MCI
3 stops19h 03mSpirit Airlines
Mon 5/125:35 amMCI - BOS
2 stops33h 24mSpirit Airlines
Deal found 3/22$279
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 4/146:20 pmBOS - MCI
1 stop5h 27mAmerican Airlines
Fri 4/1812:26 pmMCI - BOS
1 stop7h 28mAmerican Airlines
Deal found 3/23$284
This Mytrip deal was found by Cheapflights users on 3/24. 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 4/85:15 amBOS - SGF
1 stop27h 26mMultiple Airlines
Fri 4/118:26 amSGF - BOS
2 stops35h 38mMultiple Airlines
Deal found 3/24$286
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Sat 5/244:47 pmBOS - MCI
1 stop7h 28mUnited Airlines
Sat 5/316:05 amMCI - BOS
1 stop6h 23mUnited Airlines
Deal found 3/23$286
This Mytrip deal was found by Cheapflights users on 3/22. 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.
Sat 5/35:06 amBOS - MCI
1 stop11h 20mMultiple Airlines
Sun 5/46:14 pmMCI - BOS
3 stops38h 16mMultiple Airlines
Deal found 3/22$298
This Delta deal was found by Cheapflights users on 3/24. 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.
Wed 4/306:10 amBOS - MCI
Nonstop3h 50mDelta
Wed 5/77:25 pmMCI - BOS
Nonstop3h 04mDelta
Deal found 3/24$299
This Southwest deal was found by Cheapflights users on 3/23. 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 5/305:00 amBOS - MCI
2 stops11h 20mSouthwest
Tue 6/34:50 pmMCI - BOS
1 stop4h 40mSouthwest
Deal found 3/23$300
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Sun 5/119:00 amBOS - STL
1 stop6h 55mAmerican Airlines
Tue 5/136:00 amSTL - BOS
1 stop8h 10mAmerican Airlines
Deal found 3/24$312
This CheapOair deal was found by Cheapflights users on 3/24. 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.
Fri 5/165:04 pmBOS - STL
1 stop17h 11mSpirit Airlines
Sun 5/1810:10 amSTL - BOS
1 stop28h 49mSpirit Airlines
Deal found 3/24$314
This Mytrip deal was found by Cheapflights users on 3/24. 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 4/1011:32 amBOS - STL
3 stops32h 09mMultiple Airlines
Mon 4/149:50 amSTL - BOS
3 stops33h 24mMultiple Airlines
Deal found 3/24$315
This Mytrip deal was found by Cheapflights users on 3/22. 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.
Fri 3/289:09 amBOS - STL
1 stop15h 40mFrontier
Sat 3/295:24 pmSTL - BOS
1 stop6h 20mFrontier
Deal found 3/22$318
This Delta deal was found by Cheapflights users on 3/23. 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 5/105:20 amBOS - STL
1 stop5h 15mDelta
Mon 5/127:06 pmSTL - BOS
1 stop5h 11mDelta
Deal found 3/23$319

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 March 25, 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 5/8

7:47 pm-1:50 pm

3 stops19h 03m

Kansas City

Tue 5/13

2:45 pm-10:56 pm

2 stops31h 11m

$279

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Mon 4/14

6:20 pm-10:47 pm

1 stop5h 27m

Kansas City

Fri 4/18

12:26 pm-8:54 pm

1 stop7h 28m

$284

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Tue 4/8

5:15 am-7:41 am

1 stop27h 26m

Springfield-Branson

Fri 4/11

8:26 am-9:04 pm

2 stops35h 38m

$286

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Sat 5/24

4:47 pm-11:15 pm

1 stop7h 28m

Kansas City

Sat 5/31

6:05 am-1:28 pm

1 stop6h 23m

$286

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Sat 5/3

5:06 am-3:26 pm

1 stop11h 20m

Kansas City

Sun 5/4

6:14 pm-9:30 am

3 stops38h 16m

$298

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Wed 4/30

6:10 am-9:00 am

Nonstop3h 50m

Kansas City

Wed 5/7

7:25 pm-11:29 pm

Nonstop3h 04m

$299

BostonKansas City

BOS - MCI

BOSMCI

Boston Logan Intl

Fri 5/30

5:00 am-3:20 pm

2 stops11h 20m

Kansas City

Tue 6/3

4:50 pm-10:30 pm

1 stop4h 40m

$300

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Sun 5/11

9:00 am-2:55 pm

1 stop6h 55m

Lambert-St Louis

Tue 5/13

6:00 am-3:10 pm

1 stop8h 10m

$312

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Fri 5/16

5:04 pm-9:15 am

1 stop17h 11m

Lambert-St Louis

Sun 5/18

10:10 am-3:59 pm

1 stop28h 49m

$314

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 4/10

11:32 am-6:41 pm

3 stops32h 09m

Lambert-St Louis

Mon 4/14

9:50 am-8:14 pm

3 stops33h 24m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 43 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 March 25, 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 March 25, 2025.

The most flights from BOS to USMO are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 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 March 25, 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
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 18 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 $149 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $154 and Allegiant Air from $167 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 (85%) and Qatar Airways (85%).

  • What are the cheapest flights from Boston to Missouri?

    On average you can expect to pay $371 for a flight from Boston to Missouri. The cheapest flight overall is $154 while the most popular route, (Boston Logan Intl - Kansas City) is currently priced at $172.

  • 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 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$75Average$171FlexibilityNo cancel feeOn-time65%
FrontierCheapest$113Average$207FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$475FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$207Average$336FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$215Average$520FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$257Average$548FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$281Average$440FlexibilityNo cancel feeOn-time63%
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