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$82+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$168
(Booking.com)

One-way from

$90
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$378

Good round-trip deal

$390 or less

Good one-way deal

$207 or less
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. 3% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:56 pmSTL - BDL
1 stop16h 21mFrontier
Sun 11/91:36 pmBDL - STL
1 stop21h 04mFrontier
Deal found 9/10$168
This Southwest deal was found by Cheapflights users on 9/9. 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 10/289:30 amSTL - BDL
1 stop4h 00mSouthwest
Tue 11/43:40 pmBDL - STL
1 stop7h 20mSouthwest
Deal found 9/9$179
This Southwest deal was found by Cheapflights users on 9/9. 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 9/307:00 amSTL - ALB
1 stop4h 00mSouthwest
Sat 10/43:50 pmALB - STL
1 stop5h 30mSouthwest
Deal found 9/9$188
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/73:23 pmSTL - ALB
1 stop5h 00mUnited Airlines
Tue 10/146:00 amALB - STL
1 stop5h 49mUnited Airlines
Deal found 9/9$213
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:30 pmSTL - BDL
1 stop6h 55mSouthwest
Tue 11/115:40 pmBDL - STL
1 stop5h 40mSouthwest
Deal found 9/10$216
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/146:00 amSTL - BDL
1 stop6h 00mAmerican Airlines
Wed 10/156:00 amBDL - STL
1 stop4h 56mAmerican Airlines
Deal found 9/9$219
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:30 pmSTL - BDL
1 stop6h 55mSouthwest
Tue 12/25:40 pmBDL - STL
1 stop5h 40mSouthwest
Deal found 9/10$227
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:56 pmSTL - BDL
1 stop5h 02mAmerican Airlines
Tue 11/187:27 amBDL - STL
1 stop6h 47mAmerican Airlines
Deal found 9/10$228
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:29 amSTL - ALB
1 stop4h 52mAmerican Airlines
Tue 10/77:10 amALB - STL
1 stop6h 01mAmerican Airlines
Deal found 9/10$236
This Delta deal was found by Cheapflights users on 9/9. 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 10/185:15 pmSTL - ALB
1 stop5h 42mDelta
Mon 10/277:05 pmALB - STL
1 stop5h 36mDelta
Deal found 9/9$237
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 9/305:32 pmSTL - BDL
1 stop5h 27mDelta
Mon 10/67:10 pmBDL - STL
1 stop5h 31mDelta
Deal found 9/10$237
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:57 amSTL - BOS
1 stop23h 29mMultiple Airlines
Thu 10/238:24 pmBOS - STL
2 stops14h 52mMultiple Airlines
Deal found 9/11$250

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 September 11, 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

Fri 11/7

4:56 pm-10:17 am

1 stop16h 21m

Hartford Bradley Intl

Sun 11/9

1:36 pm-9:40 am

1 stop21h 04m

$168

St. LouisAlbany

STL - ALB

STLALB

Lambert-St Louis

Tue 10/7

12:25 pm-11:57 pm

2 stops10h 32m

Albany Intl

Tue 10/14

6:00 am-10:49 am

1 stop5h 49m

$218

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Thu 11/6

2:30 pm-10:25 pm

1 stop6h 55m

Hartford Bradley Intl

Tue 11/11

7:25 am-1:50 pm

2 stops7h 25m

$221

St. LouisAlbany

STL - ALB

STLALB

Lambert-St Louis

Sat 10/18

5:15 pm-11:57 pm

1 stop5h 42m

Albany Intl

Mon 10/27

7:05 pm-11:41 pm

1 stop5h 36m

$237

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Fri 10/31

4:45 pm-11:29 pm

1 stop5h 44m

Hartford Bradley Intl

Thu 11/6

5:30 am-9:37 am

1 stop5h 07m

$237

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Tue 9/30

5:32 pm-11:59 pm

1 stop5h 27m

Hartford Bradley Intl

Mon 10/6

7:10 pm-11:41 pm

1 stop5h 31m

$237

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Sun 10/26

10:57 am-6:15 pm

1 stop30h 18m

Hartford Bradley Intl

Sun 11/2

1:36 pm-9:40 am

1 stop21h 04m

$242

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Wed 10/1

6:25 am-1:10 pm

1 stop5h 45m

Hartford Bradley Intl

Mon 10/6

5:35 am-10:55 am

1 stop6h 20m

$242

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Wed 10/1

6:00 pm-11:23 pm

1 stop4h 23m

Hartford Bradley Intl

Sun 10/5

5:35 am-9:33 am

1 stop4h 58m

$243

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Fri 10/3

1:26 pm-10:13 pm

1 stop7h 47m

Hartford Bradley Intl

Sun 10/5

5:35 am-9:33 am

1 stop4h 58m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 59 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 $218). Flying from St. Louis to Massachusetts in July is currently the most expensive (average of $311). 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 September 11, 2025.

When flying from St. Louis to Massachusetts, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 11, 2025.
Read through reviews of airlines operating flights from St. Louis to Massachusetts, such as Southwest, Delta, and American 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
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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 10 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 6h 55m. 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 Southwest, with whom users have recently found tickets for as low as $82. However, be on the lookout for offers from Spirit Airlines and American Airlines, 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 (93%), Iberia (93%), American Airlines( 83%).

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

    On average you can expect to pay $1,122 for a flight from St. Louis to Massachusetts. The cheapest flight overall is $138 while the most popular route, (Lambert-St Louis - Boston Logan Intl) is currently priced at $191.

  • 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 $218). Flying from St. Louis to Massachusetts in July is currently the most expensive (average of $311). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$198FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$147Average$261FlexibilityNo cancel feeOn-time65%
DeltaCheapest$186Average$468FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$216Average$334FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$260Average$499FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$305Average$457FlexibilityNo cancel feeOn-time63%

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