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$47+ Cheap flights from St. Louis (STL) to Massachusetts

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 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from St. Louis to Massachusetts

Keep the following information in mind while searching for St. Louis to Massachusetts flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$247
(Delta)

One-way from

$47
(Kiwi.com)

Popular in

October

Cheapest in

September

Average price

$476

Good round-trip deal

$509 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 Lambert-St Louis to Massachusetts
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One-way flight from Lambert-St Louis to Massachusetts
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Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% 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 Lambert-St Louis to Massachusetts.
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Price to beat on a one-way flight from Lambert-St Louis to Massachusetts.
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Find flight deals from St. Louis to Massachusetts

Cheapest flights from St. Louis to Massachusetts
Explore the most affordable flight options available from St. Louis to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Delta deal was found by Cheapflights users on 10/30. 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.
Tue 12/166:05 pmSTL - BDL
1 stop4h 33mDelta
Sun 1/115:40 amBDL - STL
1 stop4h 59mDelta
Deal found 10/30$247
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/68:00 amSTL - BDL
2 stops9h 53mUnited Airlines
Sun 12/76:10 amBDL - STL
1 stop7h 05mUnited Airlines
Deal found 10/29$252
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/123:30 pmSTL - BDL
1 stop22h 19mMultiple Airlines
Mon 12/152:07 pmBDL - STL
1 stop9h 26mMultiple Airlines
Deal found 10/29$256
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/278:25 amSTL - ALB
1 stop4h 41mUnited Airlines
Thu 12/46:30 pmALB - STL
1 stop5h 15mUnited Airlines
Deal found 10/28$279
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/132:12 pmSTL - BDL
1 stop21h 29mFrontier
Mon 11/173:07 pmBDL - STL
2 stops19h 00mFrontier
Deal found 10/29$285
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/196:58 pmSTL - BOS
1 stop14h 23mFrontier
Sat 1/1011:47 amBOS - STL
1 stop11h 46mFrontier
Deal found 10/28$293
This Delta deal was found by Cheapflights users on 10/29. 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.
Tue 12/235:59 pmSTL - ALB
1 stop4h 24mDelta
Tue 12/305:40 amALB - STL
1 stop4h 44mDelta
Deal found 10/29$296
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/196:58 pmSTL - BOS
1 stop14h 03mMultiple Airlines
Thu 1/811:47 amBOS - STL
1 stop21h 03mMultiple Airlines
Deal found 10/28$301
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/132:54 pmSTL - BOS
Nonstop2h 38mAmerican Airlines
Tue 12/1612:10 pmBOS - STL
1 stop9h 14mAmerican Airlines
Deal found 10/28$303
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/207:43 pmSTL - BOS
2 stops13h 25mFrontier
Sat 1/1011:47 amBOS - STL
1 stop11h 46mFrontier
Deal found 10/28$304
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/137:43 pmSTL - BOS
2 stops13h 39mFrontier
Sun 12/1412:57 pmBOS - STL
1 stop10h 36mFrontier
Deal found 10/28$305
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/14:13 pmSTL - BOS
1 stop23h 37mMultiple Airlines
Wed 12/39:54 pmBOS - STL
1 stop14h 13mMultiple Airlines
Deal found 10/28$306

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Massachusetts 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 October 30, 2025.
Use the filters below to find and compare flights from St. Louis to Massachusetts that are best for you.

Fly from

St. Louis

Fly to

Massachusetts

Route

Depart

Return

Price

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Tue 12/16

6:05 pm-11:38 pm

1 stop4h 33m

Hartford Bradley Intl

Sun 1/11

5:40 am-9:39 am

1 stop4h 59m

$247

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Sat 12/6

6:30 am-2:16 pm

1 stop6h 46m

Hartford Bradley Intl

Sun 12/7

6:10 am-12:15 pm

1 stop7h 05m

$247

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Thu 1/22

2:35 pm-9:50 pm

1 stop6h 15m

Hartford Bradley Intl

Mon 1/26

12:10 pm-7:00 pm

1 stop7h 50m

$247

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Fri 2/6

3:31 pm-11:51 pm

1 stop7h 20m

Hartford Bradley Intl

Sun 2/8

5:30 am-9:39 am

1 stop5h 09m

$247

St. LouisAlbany

STL - ALB

STLALB

Lambert-St Louis

Sat 1/24

4:25 pm-9:55 pm

1 stop4h 30m

Albany Intl

Tue 1/27

1:00 pm-7:00 pm

1 stop7h 00m

$277

St. LouisAlbany

STL - ALB

STLALB

Lambert-St Louis

Thu 11/27

8:25 am-2:06 pm

1 stop4h 41m

Albany Intl

Thu 12/4

6:30 pm-10:45 pm

1 stop5h 15m

$279

St. LouisAlbany

STL - ALB

STLALB

Lambert-St Louis

Sat 1/24

3:11 pm-11:41 pm

2 stops7h 30m

Albany Intl

Tue 1/27

5:45 am-12:29 pm

2 stops7h 44m

$287

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Fri 12/12

9:54 am-10:43 pm

2 stops11h 49m

Hartford Bradley Intl

Mon 12/15

2:07 pm-10:33 pm

1 stop9h 26m

$292

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Thu 1/15

12:01 pm-3:40 pm

Nonstop2h 39m

Boston Logan Intl

Sun 1/18

9:51 am-6:14 pm

1 stop9h 23m

$298

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Thu 12/4

5:12 pm-11:47 pm

1 stop5h 35m

Hartford Bradley Intl

Wed 12/10

2:22 pm-6:33 pm

1 stop5h 11m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 54 results
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Best time to book a flight from St. Louis to Massachusetts

Have a flexible travel schedule? Discover the best time to fly to Massachusetts from St. Louis 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 St. Louis to Massachusetts

What is the cheapest month to book a flight from St. Louis to Massachusetts?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Massachusetts (average of $120). Flying from St. Louis to Massachusetts in May is currently the most expensive (average of $298). 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 STL to MA?

Find hourly flight availability from St. Louis to Massachusetts. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from St. Louis to Massachusetts in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from St. Louis to Massachusetts?

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

Travelers seeking maximum savings on their St. Louis to Massachusetts flight should consider departing on Wednesday at noon 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.

Reviews of airlines servicing Massachusetts

Get insights into the airlines that provide service to Massachusetts. 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 Massachusetts. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from St. Louis to Massachusetts, such as Southwest, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Massachusetts. 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 St. Louis to Massachusetts?

    If you book a flight to Massachusetts from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • How popular is this St. Louis to Massachusetts flight route?

    The Lambert-St Louis to Massachusetts 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 St. Louis to Massachusetts?

    Departing from St. Louis to Massachusetts will take you 4h 33m. Airlines will cover a distance of 954 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 St. Louis to Massachusetts one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $79. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from St. Louis to Massachusetts for a low price.

  • What are the most popular routes from St. Louis to Massachusetts?

    While some choose either Lambert-St Louis - Hartford Bradley Intl or Lambert-St Louis - Albany Intl, Lambert-St Louis - Boston Logan Intl is the most popular route from St. Louis to Massachusetts.

  • What are the most reliable airlines from St. Louis to Massachusetts?

    Before booking your flight to Massachusetts from St. Louis, check out the most reliable airlines to get you to your destination on time: Qatar Airways (83%), Iberia (83%), Republic Airways( 79%).

  • What are the cheapest flights from St. Louis to Massachusetts?

    On average you can expect to pay $585 for a flight from St. Louis to Massachusetts. The cheapest flight overall is $248 while the most popular route, (Lambert-St Louis - Boston Logan Intl) is currently priced at $194.

  • Can I find deals for flights from St. Louis to Massachusetts that include hotel bookings?

    Yes. In addition to deals on St. Louis to Massachusetts flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Massachusetts?

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

  • Can I find deals for business class flights from St. Louis to Massachusetts?

    Yes. Cheapflights offers flight deals from St. Louis to Massachusetts 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 St. Louis to Massachusetts?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Massachusetts (average of $120). Flying from St. Louis to Massachusetts in May is currently the most expensive (average of $298). 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 St. Louis to Massachusetts

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

Discover the top 6 airlines that operate flights from St. Louis to Massachusetts. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$250FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$124Average$249FlexibilityNo cancel feeOn-time65%
DeltaCheapest$186Average$432FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$216Average$323FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$260Average$500FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$305Average$455FlexibilityNo cancel feeOn-time63%

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