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$62+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 November 20, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$170
(Kiwi.com)

One-way from

$62
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$490

Good round-trip deal

$462 or less

Good one-way deal

$289 or less
Provider with most accurate pricing for Lambert-St Louis-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Boston Logan Intl flights.
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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. 5% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/127:01 pmMCI - BOS
1 stop27h 55mMultiple Airlines
Tue 12/168:11 pmBOS - MCI
2 stops25h 33mMultiple Airlines
Deal found 11/19$231
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 12/157:01 pmMCI - BOS
1 stop27h 55mSpirit Airlines
Fri 12/1912:29 pmBOS - MCI
1 stop11h 30mSpirit Airlines
Deal found 11/20$248
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
Tue 12/26:00 amMCI - BOS
1 stop9h 50mSpirit Airlines
Wed 12/35:45 amBOS - MCI
1 stop13h 51mSpirit Airlines
Deal found 11/19$258
This Mytrip deal was found by Cheapflights users on 11/19. 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 12/43:47 pmMCI - BOS
1 stop17h 16mSpirit Airlines
Mon 12/85:45 amBOS - MCI
1 stop13h 11mSpirit Airlines
Deal found 11/19$262
This Delta deal was found by Cheapflights users on 11/18. 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 12/114:08 pmSGF - BOS
1 stop8h 19mDelta
Sun 12/148:00 amBOS - SGF
1 stop8h 23mDelta
Deal found 11/18$269
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/48:09 pmMCI - BOS
2 stops13h 13mMultiple Airlines
Mon 12/85:45 amBOS - MCI
1 stop13h 11mMultiple Airlines
Deal found 11/19$270
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Sat 12/137:01 pmMCI - BOS
2 stops38h 21mMultiple Airlines
Fri 12/1912:29 pmBOS - MCI
1 stop11h 30mMultiple Airlines
Deal found 11/19$278
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/118:00 amCOU - BOS
1 stop5h 20mUnited Airlines
Sun 1/45:20 amBOS - COU
2 stops10h 15mUnited Airlines
Deal found 11/20$285
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/57:01 pmMCI - BOS
1 stop27h 55mMultiple Airlines
Sun 12/711:28 amBOS - MCI
1 stop25h 23mMultiple Airlines
Deal found 11/19$292
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 12/1112:04 pmSTL - BOS
1 stop21h 18mMultiple Airlines
Thu 1/112:29 pmBOS - STL
1 stop11h 04mMultiple Airlines
Deal found 11/20$295
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 12/1112:04 pmSTL - BOS
1 stop21h 18mMultiple Airlines
Sun 1/412:29 pmBOS - STL
1 stop22h 16mMultiple Airlines
Deal found 11/20$297
This American Airlines deal was found by Cheapflights users on 11/20. 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 12/1111:52 amCOU - BOS
1 stop11h 21mAmerican Airlines
Sun 1/410:02 amBOS - COU
1 stop10h 10mAmerican Airlines
Deal found 11/20$297

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 November 20, 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

Fri 12/12

6:53 pm-1:27 am

1 stop5h 34m

Boston Logan Intl

Sun 12/14

8:00 am-3:23 pm

1 stop8h 23m

$269

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

Thu 12/11

6:35 am-3:38 pm

1 stop8h 03m

Boston Logan Intl

Sun 12/14

5:25 am-10:38 am

1 stop6h 13m

$269

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

Thu 12/11

4:08 pm-1:27 am

1 stop8h 19m

Boston Logan Intl

Sun 12/14

8:00 am-3:23 pm

1 stop8h 23m

$269

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

Thu 1/15

8:00 am-3:29 pm

1 stop6h 29m

Boston Logan Intl

Sun 1/18

3:50 pm-8:47 pm

1 stop5h 57m

$269

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

Thu 1/15

7:45 am-5:14 pm

2 stops8h 29m

Boston Logan Intl

Sun 1/18

7:25 am-4:22 pm

1 stop9h 57m

$274

ColumbiaBoston

COU - BOS

COUBOS

Columbia Regional

Fri 12/5

9:00 am-8:00 pm

1 stop10h 00m

Boston Logan Intl

Tue 12/9

9:40 am-2:26 pm

1 stop5h 46m

$298

ColumbiaBoston

COU - BOS

COUBOS

Columbia Regional

Fri 12/19

3:20 pm-3:34 am

1 stop11h 14m

Boston Logan Intl

Fri 12/26

6:36 am-2:49 pm

1 stop9h 13m

$299

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

Fri 12/5

1:25 pm-10:33 pm

1 stop8h 08m

Boston Logan Intl

Fri 12/12

9:50 am-5:05 pm

1 stop8h 15m

$304

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Tue 12/16

3:30 pm-10:01 am

1 stop17h 31m

Boston Logan Intl

Mon 12/29

6:00 am-9:40 am

1 stop28h 40m

$311

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

Wed 1/7

5:00 pm-1:04 am

1 stop7h 04m

Boston Logan Intl

Sat 1/10

12:10 pm-11:22 am

2 stops24h 12m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 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 $119). Flying from Missouri to Boston in July is currently the most expensive (average of $255). 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 November 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Missouri to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Missouri to Boston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Missouri to Boston flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Missouri to Boston

Explore weekly flight availability from Missouri to Boston. 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 November 20, 2025.

The most flights from USMO to BOS are scheduled on a Thursday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 12 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 Missouri to Boston?

    For as low as $269, Delta can have you in Boston from Missouri in 5h 34m. Airlines will cover a distance of 1234 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Boston one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from American Airlines and United Airlines, 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 (82%), Qatar Airways (79%) or Iberia (77%) 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 $220. On average you can expect to pay $906. The most popular route, (Kansas City - Boston Logan Intl), can usually be booked for $170.

  • 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 $119). Flying from Missouri to Boston in July is currently the most expensive (average of $255). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Peabody
Quincy
York Beach
Warwick
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

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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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$250FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$124Average$267FlexibilityNo cancel feeOn-time65%
DeltaCheapest$216Average$455FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$216Average$415FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$217Average$461FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$304Average$436FlexibilityNo cancel feeOn-time63%

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