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$82+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOS
jun. 19 — jun. 261
vie. 6/19
vie. 6/26
1 adult, Economy
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Cheap 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 mayo 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/86:24 pm
MCI
-
BOS
1 stop12h 28m
Frontier
sáb. 6/136:00 am
BOS
-
MCI
1 stop12h 21m
Frontier
Deal found 5/18$227
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/16:16 pm
MCI
-
BOS
1 stop6h 11m
Frontier
mié. 7/86:00 am
BOS
-
MCI
1 stop12h 21m
Frontier
Deal found 5/17$228
This Travelocity deal was found by Cheapflights users on 5/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/56:16 pm
MCI
-
BOS
1 stop12h 30m
Frontier
mié. 8/126:00 am
BOS
-
MCI
1 stop12h 21m
Frontier
Deal found 5/18$230
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/36:24 pm
MCI
-
BOS
1 stop12h 25m
Frontier
mié. 6/106:00 am
BOS
-
MCI
1 stop12h 21m
Frontier
Deal found 5/18$236
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/243:03 pm
MCI
-
BOS
1 stop18h 06m
Multiple Airlines
mié. 7/296:00 am
BOS
-
MCI
1 stop12h 21m
Multiple Airlines
Deal found 5/15$239
This Expedia deal was found by Cheapflights users on 5/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/106:16 pm
MCI
-
BOS
1 stop6h 11m
Frontier
sáb. 6/136:00 am
BOS
-
MCI
1 stop12h 21m
Frontier
Deal found 5/18$244
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
lun. 6/86:24 pm
MCI
-
BOS
1 stop12h 28m
Frontier
vie. 6/1212:01 pm
BOS
-
MCI
1 stop6h 20m
Frontier
Deal found 5/16$245
This Frontier deal was found by Cheapflights users on 5/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/16:16 pm
MCI
-
BOS
1 stop6h 11m
Frontier
lun. 7/66:00 am
BOS
-
MCI
1 stop12h 21m
Frontier
Deal found 5/18$249
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/86:24 pm
MCI
-
BOS
1 stop12h 28m
Frontier
sáb. 6/206:00 am
BOS
-
MCI
1 stop12h 21m
Frontier
Deal found 5/15$255
This Expedia deal was found by Cheapflights users on 5/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/116:16 pm
MCI
-
BOS
1 stop6h 07m
Frontier
sáb. 7/186:00 am
BOS
-
MCI
1 stop12h 21m
Frontier
Deal found 5/17$258
This Expedia deal was found by Cheapflights users on 5/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/136:16 pm
MCI
-
BOS
1 stop6h 11m
Frontier
sáb. 6/206:00 am
BOS
-
MCI
1 stop12h 21m
Frontier
Deal found 5/17$263
This American Airlines deal was found by Cheapflights users on 5/20. 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.
mar. 8/46:12 pm
SGF
-
BOS
1 stop5h 25m
American Airlines
mar. 8/117:26 am
BOS
-
SGF
1 stop7h 23m
American Airlines
Deal found 5/20$305

Find flight deals from Missouri to Boston

Keep the following information in mind while searching for Missouri to Boston flight deals. Data was last updated mayo 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Kiwi.com)

One-way from

$82
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$487

Good round-trip deal

$427 or less

Good one-way deal

$242 or less
Provider with most accurate pricing for Lambert-St Louis-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Boston Logan Intl flights.
Search Deals
From Missouri to Boston Logan Intl
Search Deals
One-way flight from Missouri to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Missouri to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Missouri to Boston Logan Intl.
Search Deals

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 mayo 20, 2026.
Use the filters below to find and compare flights from Missouri to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpringfieldBoston

SGF - BOS

SGFBOS

Springfield-Branson

sáb. 10/24

11:40 am-8:26 pm

1 stop7h 46m

Boston Logan Intl

sáb. 10/31

5:45 pm-10:32 pm

1 stop5h 47m

$305

ColumbiaBoston

COU - BOS

COUBOS

Columbia Regional

lun. 7/20

10:49 am-7:30 pm

1 stop7h 41m

Boston Logan Intl

lun. 7/27

6:43 pm-11:33 pm

1 stop5h 50m

$308

ColumbiaBoston

COU - BOS

COUBOS

Columbia Regional

mié. 7/15

3:25 pm-9:56 pm

1 stop5h 31m

Boston Logan Intl

mié. 7/22

5:45 am-2:50 pm

2 stops10h 05m

$314

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

jue. 10/1

6:00 am-9:35 am

Nonstop2h 35m

Boston Logan Intl

mar. 10/6

5:25 am-7:25 am

Nonstop3h 00m

$345

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

jue. 10/8

12:30 pm-7:00 pm

1 stop5h 30m

Boston Logan Intl

mar. 10/13

2:00 pm-3:45 pm

Nonstop2h 45m

$355

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

jue. 9/17

3:45 pm-10:20 pm

1 stop5h 35m

Boston Logan Intl

lun. 9/21

5:00 am-6:50 am

Nonstop2h 50m

$363

ColumbiaBoston

COU - BOS

COUBOS

Columbia Regional

mié. 8/12

12:45 pm-9:45 pm

2 stops8h 00m

Boston Logan Intl

sáb. 8/15

7:25 am-12:30 pm

1 stop6h 05m

$374
Quickest round-trip

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

sáb. 8/1

4:45 pm-8:20 pm

Nonstop2h 35m

Boston Logan Intl

mar. 8/4

5:35 am-7:25 am

Nonstop2h 50m

$384

ColumbiaBoston

COU - BOS

COUBOS

Columbia Regional

lun. 8/3

10:49 am-7:30 pm

1 stop7h 41m

Boston Logan Intl

sáb. 8/8

6:43 pm-11:33 pm

1 stop5h 50m

$390

JoplinBoston

JLN - BOS

JLNBOS

Joplin

mié. 6/3

8:54 am-4:29 pm

1 stop6h 35m

Boston Logan Intl

dom. 6/7

6:00 am-1:22 pm

1 stop8h 22m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Showing 1-10 of 60 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from Missouri to Boston (average of $83). Flying from Missouri to Boston in February is currently the most expensive (average of $250). 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 mayo 20, 2026.

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 46% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Missouri to Boston?

How far ahead should I book a flight from Missouri to Boston?

The price you pay for your flight from Missouri to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 May 16, 2026.

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

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 2 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 $345, Delta can have you in Boston from Missouri in 2h 35m. Airlines will cover a distance of 1043 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 Spirit Airlines, with whom users have recently found tickets for as low as $70. However, be on the lookout for offers from Frontier 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 KLM (91%), Republic Airways (88%) or Korean Air (87%) 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 $187. On average you can expect to pay $685. The most popular route, (Kansas City - Boston Logan Intl), can usually be booked for $266.

  • 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, August is the cheapest month in which you can book a flight from Missouri to Boston (average of $83). Flying from Missouri to Boston in February is currently the most expensive (average of $250). 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
Waltham
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Warwick
Peabody
York Beach
Seabrook
Londonderry
Swansea
Old Orchard Beach
Auburn
Quincy
Lowell

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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 mayo 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$73Average$237FlexibilityNo cancel feeOn-time65%
FrontierCheapest$95Average$225FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$444FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$217Average$462FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$465FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$305Average$478FlexibilityNo cancel feeOn-time63%

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