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$100+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$208
(Booking.com)

One-way from

$100
(Booking.com)

Popular in

July

Cheapest in

August

Average price

$447

Good round-trip deal

$433 or less

Good one-way deal

$230 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 ($3 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/25:55 pmSTL - BDL
1 stop16h 31mFrontier
Sun 5/48:14 pmBDL - STL
1 stop28h 52mFrontier
Deal found 4/14$200
This Mytrip deal was found by Cheapflights users on 4/14. 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 5/810:10 amSTL - BDL
2 stops20h 29mSpirit Airlines
Fri 5/912:27 pmBDL - STL
1 stop21h 48mSpirit Airlines
Deal found 4/14$243
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/106:45 amSTL - ALB
1 stop4h 07mDelta
Tue 5/136:55 pmALB - STL
1 stop5h 43mDelta
Deal found 4/15$257
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/146:00 amSTL - BDL
1 stop7h 04mDelta
Wed 5/215:35 amBDL - STL
1 stop5h 00mDelta
Deal found 4/14$271
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/510:10 amSTL - BDL
1 stop24h 12mMultiple Airlines
Mon 6/98:30 pmBDL - STL
1 stop28h 07mMultiple Airlines
Deal found 4/15$273
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 5/146:30 amSTL - BDL
1 stop6h 45mUnited Airlines
Wed 5/216:00 amBDL - STL
2 stops9h 47mUnited Airlines
Deal found 4/14$276
This American Airlines deal was found by Cheapflights users on 4/14. 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 6/104:23 pmSTL - BDL
1 stop6h 36mAmerican Airlines
Wed 6/186:15 pmBDL - STL
1 stop6h 39mAmerican Airlines
Deal found 4/14$284
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Wed 5/2112:15 pmSTL - BOS
3 stops33h 36mMultiple Airlines
Wed 5/283:49 pmBOS - STL
1 stop18h 26mMultiple Airlines
Deal found 4/14$285
This Delta deal was found by Cheapflights users on 4/13. 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 6/36:00 amSTL - BOS
1 stop5h 18mDelta
Fri 6/65:20 amBOS - STL
1 stop5h 15mDelta
Deal found 4/13$293
This Southwest deal was found by Cheapflights users on 4/14. 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.
Wed 5/218:15 amSTL - BOS
Nonstop2h 35mSouthwest
Wed 5/2812:25 pmBOS - STL
Nonstop2h 50mSouthwest
Deal found 4/14$303
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Mon 6/1611:28 amSTL - BOS
1 stop10h 20mSpirit Airlines
Thu 6/198:03 pmBOS - STL
1 stop20h 19mSpirit Airlines
Deal found 4/14$304
This American Airlines deal was found by Cheapflights users on 4/14. 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 9/135:29 amSTL - ALB
1 stop4h 20mAmerican Airlines
Mon 9/158:09 amALB - STL
1 stop7h 48mAmerican Airlines
Deal found 4/14$308

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 April 15, 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 5/2

5:55 pm-11:26 am

1 stop16h 31m

Hartford Bradley Intl

Sun 5/4

8:14 pm-12:06 am

1 stop28h 52m

$200

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Thu 5/8

10:10 am-7:39 am

2 stops20h 29m

Hartford Bradley Intl

Fri 5/9

12:27 pm-9:15 am

1 stop21h 48m

$243

St. LouisAlbany

STL - ALB

STLALB

Lambert-St Louis

Sat 5/10

10:45 am-5:38 pm

1 stop5h 53m

Albany Intl

Tue 5/13

6:00 am-12:04 pm

1 stop7h 04m

$257

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Wed 5/14

6:00 am-2:04 pm

1 stop7h 04m

Hartford Bradley Intl

Wed 5/21

5:35 am-9:35 am

1 stop5h 00m

$271

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Thu 6/5

10:10 am-11:22 am

1 stop24h 12m

Hartford Bradley Intl

Mon 6/9

8:30 pm-11:37 pm

1 stop28h 07m

$273

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Wed 5/14

6:30 am-2:15 pm

1 stop6h 45m

Hartford Bradley Intl

Wed 5/21

6:00 am-2:47 pm

2 stops9h 47m

$276

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Tue 6/10

4:23 pm-11:59 pm

1 stop6h 36m

Hartford Bradley Intl

Wed 6/18

6:15 pm-11:54 pm

1 stop6h 39m

$284

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Wed 5/21

12:15 pm-10:51 pm

3 stops33h 36m

Boston Logan Intl

Wed 5/28

3:49 pm-9:15 am

1 stop18h 26m

$285

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Tue 6/3

6:00 am-12:18 pm

1 stop5h 18m

Boston Logan Intl

Fri 6/6

5:20 am-9:35 am

1 stop5h 15m

$293

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Wed 5/21

8:15 am-11:50 am

Nonstop2h 35m

Boston Logan Intl

Wed 5/28

12:25 pm-2:15 pm

Nonstop2h 50m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 39 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 April 15, 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.

Rainfall in Massachusetts by month

Plan your trip to Massachusetts by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Massachusetts ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Massachusetts when rainfall is around 3.1 in.

Temperature in Massachusetts by month

Plan your trip to Massachusetts by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Massachusetts, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 15, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from St. Louis to Massachusetts have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $100. However, be on the lookout for offers from Spirit 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: Republic Airways (94%), Qatar Airways (91%), Southwest( 89%).

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

    On average you can expect to pay $510 for a flight from St. Louis to Massachusetts. The cheapest flight overall is $171 while the most popular route, (Lambert-St Louis - Boston Logan Intl) is currently priced at $184.

  • 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.

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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$94Average$173FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$334FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$168Average$228FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$196Average$421FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$242Average$443FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$312Average$455FlexibilityNo cancel feeOn-time63%

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