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$48+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
nov. 21 — nov. 281
vie. 11/21
vie. 11/28
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 octubre 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$175
(Kiwi.com)

One-way from

$48
(Kiwi.com)

Popular in

October

Cheapest in

September

Average price

$479

Good round-trip deal

$519 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. 0% potential increase in price ($2 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 October 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 octubre 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
vie. 11/1411:12 amMCI - BOS
1 stop22h 36mMultiple Airlines
lun. 11/179:23 amBOS - MCI
1 stop28h 05mMultiple Airlines
Deal found 10/21$175
This American Airlines deal was found by Cheapflights users on 10/21. 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.
sáb. 12/62:32 pmMCI - BOS
1 stop8h 41mAmerican Airlines
mar. 12/912:10 pmBOS - MCI
1 stop10h 19mAmerican Airlines
Deal found 10/21$189
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
jue. 11/611:12 amMCI - BOS
1 stop20h 48mFrontier
lun. 11/1012:20 pmBOS - MCI
2 stops29h 59mFrontier
Deal found 10/20$193
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
vie. 11/1411:12 amMCI - BOS
1 stop22h 36mFrontier
lun. 11/1712:20 pmBOS - MCI
2 stops29h 59mFrontier
Deal found 10/21$195
This American Airlines deal was found by Cheapflights users on 10/21. 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.
vie. 12/52:32 pmMCI - BOS
1 stop8h 41mAmerican Airlines
mar. 12/912:10 pmBOS - MCI
1 stop10h 19mAmerican Airlines
Deal found 10/21$215
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
jue. 11/136:00 amMCI - BOS
1 stop25h 28mMultiple Airlines
dom. 11/168:40 amBOS - MCI
2 stops26h 37mMultiple Airlines
Deal found 10/19$226
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
vie. 12/512:13 pmMCI - BOS
2 stops34h 44mMultiple Airlines
lun. 12/85:50 amBOS - MCI
1 stop12h 56mMultiple Airlines
Deal found 10/20$227
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
jue. 12/48:09 pmMCI - BOS
2 stops13h 13mFrontier
jue. 12/1111:28 amBOS - MCI
1 stop24h 50mFrontier
Deal found 10/19$230
This American Airlines deal was found by Cheapflights users on 10/20. 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.
sáb. 12/1310:56 amMCI - BOS
1 stop10h 20mAmerican Airlines
mié. 12/1712:10 pmBOS - MCI
1 stop10h 19mAmerican Airlines
Deal found 10/20$231
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
vie. 11/1411:12 amMCI - BOS
1 stop22h 36mMultiple Airlines
dom. 11/1612:59 pmBOS - MCI
1 stop24h 29mMultiple Airlines
Deal found 10/20$236
This Delta deal was found by Cheapflights users on 10/21. 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.
sáb. 12/66:10 amSGF - BOS
1 stop7h 17mDelta
sáb. 12/1310:15 amBOS - SGF
1 stop6h 08mDelta
Deal found 10/21$257
This United Airlines deal was found by Cheapflights users on 10/21. 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.
mié. 11/58:00 amCOU - BOS
2 stops8h 22mUnited Airlines
dom. 11/97:30 amBOS - COU
1 stop7h 56mUnited Airlines
Deal found 10/21$284

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 octubre 22, 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

sáb. 12/6

6:10 am-2:27 pm

1 stop7h 17m

Boston Logan Intl

sáb. 12/13

10:15 am-3:23 pm

1 stop6h 08m

$257

ColumbiaBoston

COU - BOS

COUBOS

Columbia Regional

mié. 11/5

8:00 am-5:22 pm

2 stops8h 22m

Boston Logan Intl

dom. 11/9

7:30 am-2:26 pm

1 stop7h 56m

$284

ColumbiaBoston

COU - BOS

COUBOS

Columbia Regional

jue. 12/4

11:52 am-12:13 am

1 stop11h 21m

Boston Logan Intl

jue. 12/11

7:00 am-7:05 pm

1 stop13h 05m

$286

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

vie. 12/5

5:35 pm-12:15 am

1 stop5h 40m

Boston Logan Intl

vie. 12/12

6:00 am-1:31 pm

1 stop8h 31m

$294

JoplinBoston

JLN - BOS

JLNBOS

Joplin

sáb. 3/7

8:52 am-5:17 pm

1 stop7h 25m

Boston Logan Intl

mié. 3/11

10:57 am-5:24 pm

1 stop7h 27m

$297

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

jue. 11/13

6:00 am-12:04 pm

1 stop29h 04m

Boston Logan Intl

dom. 11/16

3:55 pm-5:19 pm

2 stops50h 24m

$306

ColumbiaBoston

COU - BOS

COUBOS

Columbia Regional

mar. 11/25

8:00 am-5:22 pm

2 stops8h 22m

Boston Logan Intl

mié. 12/3

4:20 pm-9:22 pm

1 stop6h 02m

$309

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

sáb. 2/28

9:25 am-1:01 pm

Nonstop2h 36m

Boston Logan Intl

mié. 3/4

2:03 pm-9:44 pm

1 stop8h 41m

$311

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

sáb. 12/20

8:45 pm-10:08 am

2 stops12h 23m

Boston Logan Intl

dom. 12/28

6:00 am-10:08 am

1 stop29h 08m

$317

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

mar. 11/18

2:53 pm-11:10 pm

2 stops31h 17m

Boston Logan Intl

jue. 11/20

5:45 pm-8:53 am

1 stop16h 08m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 58 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, November is the cheapest month in which you can book a flight from Missouri to Boston (average of $110). Flying from Missouri to Boston in March is currently the most expensive (average of $261). 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 octubre 22, 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 47% 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 octubre 22, 2025.

The most flights from USMO to BOS are scheduled on a Monday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 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 11 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 $257, Delta can have you in Boston from Missouri in 7h 17m. 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 Southwest, with whom users have recently found tickets for as low as $93. However, be on the lookout for offers from Spirit Airlines and American 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 Lambert-St Louis - Boston Logan Intl, Kansas City - 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 Qatar Airways (83%), Iberia (83%) or Republic Airways (79%) 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 $584. The most popular route, (Lambert-St Louis - Boston Logan Intl), can usually be booked for $223.

  • 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, November is the cheapest month in which you can book a flight from Missouri to Boston (average of $110). Flying from Missouri to Boston in March is currently the most expensive (average of $261). 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 octubre 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$250FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$124Average$256FlexibilityNo cancel feeOn-time65%
DeltaCheapest$216Average$452FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$216Average$418FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$218Average$461FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$302Average$433FlexibilityNo cancel feeOn-time63%

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