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

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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Missouri to Boston

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

Round-trip from

$251
(American Airlines)

One-way from

$83
(FlightHub)

Popular in

February

Cheapest in

September

Average price

$413

Good round-trip deal

$365 or less

Good one-way deal

$210 or less
From Missouri to Boston Logan Intl
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One-way flight from Missouri to Boston Logan Intl
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Highest demand for flights based on searches. 13% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Missouri to Boston Logan Intl.
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Price to beat on a one-way flight from Missouri to Boston Logan Intl.
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Find flight deals from Missouri to Boston

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

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.
Tue 10/74:13 pmSGF - BOS
1 stop5h 56mAmerican Airlines
Wed 10/158:15 amBOS - SGF
1 stop6h 21mAmerican Airlines
Deal found 6/12$251
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.
Wed 10/16:45 pmSGF - BOS
1 stop5h 15mDelta
Sat 10/47:00 amBOS - SGF
1 stop8h 50mDelta
Deal found 6/10$257
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:20 pmSGF - BOS
1 stop5h 25mUnited Airlines
Sat 9/66:10 amBOS - SGF
1 stop5h 40mUnited Airlines
Deal found 6/10$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.
Thu 7/36:36 pmSTL - BOS
1 stop13h 03mSpirit Airlines
Sun 7/68:03 pmBOS - STL
1 stop23h 15mSpirit Airlines
Deal found 6/10$290
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2011:28 amSTL - BOS
1 stop10h 28mMultiple Airlines
Fri 6/279:40 amBOS - STL
1 stop15h 13mMultiple Airlines
Deal found 6/10$293
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/304:23 pmMCI - BOS
1 stop15h 35mSpirit Airlines
Fri 8/156:10 amBOS - MCI
1 stop13h 17mSpirit Airlines
Deal found 6/10$300
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.
Tue 9/95:55 amSTL - BOS
1 stop8h 11mAmerican Airlines
Fri 9/124:10 pmBOS - STL
Nonstop3h 05mAmerican Airlines
Deal found 6/11$307
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/92:50 pmSTL - BOS
Nonstop2h 35mSouthwest
Wed 7/167:00 pmBOS - STL
Nonstop3h 05mSouthwest
Deal found 6/11$315
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:40 amSTL - BOS
1 stop10h 57mDelta
Wed 8/205:15 amBOS - STL
1 stop16h 18mDelta
Deal found 6/11$321
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.
Sat 7/57:45 amMCI - BOS
2 stops22h 27mMultiple Airlines
Sat 7/126:10 amBOS - MCI
1 stop11h 59mMultiple Airlines
Deal found 6/10$326
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/295:20 amMCI - BOS
1 stop6h 45mSouthwest
Wed 7/307:00 pmBOS - MCI
1 stop4h 50mSouthwest
Deal found 6/11$337
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.
Fri 8/157:50 pmMCI - BOS
Nonstop3h 07mDelta
Fri 8/226:00 amBOS - MCI
Nonstop3h 37mDelta
Deal found 6/10$339

Cheapflights Fare Finder

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

Fly from

Missouri

Fly to

Boston

Route

Depart

Return

Price

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

Tue 10/7

4:13 pm-11:09 pm

1 stop5h 56m

Boston Logan Intl

Wed 10/15

8:15 am-1:36 pm

1 stop6h 21m

$251

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

Wed 10/1

6:45 pm-1:00 am

1 stop5h 15m

Boston Logan Intl

Sat 10/4

7:00 am-2:50 pm

1 stop8h 50m

$257

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

Mon 8/25

6:20 pm-12:45 am

1 stop5h 25m

Boston Logan Intl

Sat 9/6

6:10 am-10:50 am

1 stop5h 40m

$260

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Thu 7/3

6:36 pm-8:39 am

1 stop13h 03m

Boston Logan Intl

Sun 7/6

8:03 pm-6:18 pm

1 stop23h 15m

$290

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Fri 6/20

11:28 am-10:56 pm

1 stop10h 28m

Boston Logan Intl

Fri 6/27

9:40 am-11:53 pm

1 stop15h 13m

$293

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Wed 7/30

4:23 pm-8:58 am

1 stop15h 35m

Boston Logan Intl

Fri 8/15

6:10 am-6:27 pm

1 stop13h 17m

$300

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Tue 9/9

5:55 am-3:06 pm

1 stop8h 11m

Boston Logan Intl

Fri 9/12

4:10 pm-6:15 pm

Nonstop3h 05m

$307

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Wed 7/9

2:50 pm-6:25 pm

Nonstop2h 35m

Boston Logan Intl

Wed 7/16

7:00 pm-9:05 pm

Nonstop3h 05m

$315

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Sat 8/16

6:40 am-6:37 pm

1 stop10h 57m

Boston Logan Intl

Wed 8/20

5:15 am-8:33 pm

1 stop16h 18m

$321

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Sat 7/5

7:45 am-7:12 am

2 stops22h 27m

Boston Logan Intl

Sat 7/12

6:10 am-5:09 pm

1 stop11h 59m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 43 results
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Best time to book a flight from Missouri to Boston

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

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

Currently, January is the cheapest month in which you can book a flight from Missouri to Boston (average of $218). Flying from Missouri to Boston in June is currently the most expensive (average of $306). 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 MO to BOS?

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Boston as you normally would.

Rainfall in Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Missouri to Boston. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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 Missouri to Boston. 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 into for flights to Boston from Missouri?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Boston from Missouri.

  • How popular is this Missouri to Boston flight route?

    The Missouri to Boston Logan Intl flight path was viewed by 1 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 Missouri to Boston one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $83. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Missouri to Boston for a low price.

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

    When deciding which route to take from Missouri to Boston consider Kansas City - Boston Logan Intl, Lambert-St Louis - Boston Logan Intl or Springfield-Branson - Boston Logan Intl as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from Missouri to Boston consider choosing Republic Airways (95%), American Airlines (90%) or Iberia (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Missouri to Boston?

    The cheapest flight price from Missouri to Boston is $171. On average you can expect to pay $1,118. The most popular route, (Kansas City - Boston Logan Intl), can usually be booked for $146.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Missouri to Boston (average of $218). Flying from Missouri to Boston in June is currently the most expensive (average of $306). 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

Traveling to a place near Missouri?

Book flights to Missouri if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Lowell
Chelsea
Marlborough
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea

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Alternative routes for Missouri to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Missouri to Boston

Discover the top 6 airlines that operate flights from Missouri to Boston. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$58Average$184FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$200FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$196Average$470FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$429FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$487FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$291Average$431FlexibilityNo cancel feeOn-time63%

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