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$55+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$203
(Mytrip)

One-way from

$55
(Frontier)

Popular in

July

Cheapest in

August

Average price

$429

Good round-trip deal

$467 or less

Good one-way deal

$210 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 February 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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/35:20 pmSTL - BDL
1 stop18h 21mFrontier
Thu 3/612:02 pmBDL - STL
1 stop12h 47mFrontier
Deal found 2/19$203
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/69:50 amSTL - BOS
2 stops22h 33mMultiple Airlines
Mon 3/105:29 pmBOS - STL
1 stop24h 13mMultiple Airlines
Deal found 2/19$236
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/266:06 amSTL - BOS
1 stop6h 13mDelta
Fri 2/288:00 amBOS - STL
1 stop5h 28mDelta
Deal found 2/19$237
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/206:47 pmSTL - BOS
2 stops35h 08mSpirit Airlines
Tue 4/111:14 amBOS - STL
1 stop7h 38mSpirit Airlines
Deal found 2/19$240
This Frontier deal was found by Cheapflights users on 2/18. 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.
Thu 2/275:20 pmSTL - BOS
1 stop6h 24mFrontier
Mon 3/312:45 pmBOS - STL
1 stop11h 58mFrontier
Deal found 2/18$250
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/65:06 amSTL - BDL
1 stop6h 50mAmerican Airlines
Mon 3/105:30 pmBDL - STL
1 stop7h 26mAmerican Airlines
Deal found 2/20$257
This Southwest deal was found by Cheapflights users on 2/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:35 pmSTL - BDL
1 stop4h 10mSouthwest
Mon 3/102:50 pmBDL - STL
2 stops8h 50mSouthwest
Deal found 2/20$262
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/65:55 amSTL - BOS
1 stop8h 52mAmerican Airlines
Mon 3/101:40 pmBOS - STL
1 stop9h 38mAmerican Airlines
Deal found 2/20$264
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/25:32 pmSTL - BDL
1 stop5h 27mDelta
Mon 5/57:06 pmBDL - STL
1 stop5h 30mDelta
Deal found 2/19$277
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 3/105:55 amSTL - ALB
1 stop5h 06mAmerican Airlines
Wed 3/1212:29 pmALB - STL
1 stop10h 49mAmerican Airlines
Deal found 2/20$290
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/57:05 amSTL - BOS
1 stop7h 04mUnited Airlines
Wed 3/129:20 amBOS - STL
1 stop6h 03mUnited Airlines
Deal found 2/19$297
This Southwest deal was found by Cheapflights users on 2/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/102:05 pmSTL - ALB
1 stop9h 20mSouthwest
Wed 3/121:05 pmALB - STL
2 stops9h 45mSouthwest
Deal found 2/20$302

Find flights from St. Louis to Massachusetts within your budget

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 February 20, 2025.

Fly from

St. Louis

Fly to

Massachusetts

Route

Depart

Return

Price

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Mon 3/3

5:20 pm-12:41 pm

1 stop18h 21m

Hartford Bradley Intl

Thu 3/6

12:02 pm-11:49 pm

1 stop12h 47m

$203

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Thu 3/6

9:50 am-9:23 am

2 stops22h 33m

Boston Logan Intl

Mon 3/10

5:29 pm-4:42 pm

1 stop24h 13m

$236

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Thu 3/6

6:06 am-1:19 pm

1 stop6h 13m

Boston Logan Intl

Mon 3/10

3:55 pm-8:18 pm

1 stop5h 23m

$237

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Thu 3/20

6:47 pm-6:55 am

2 stops35h 08m

Boston Logan Intl

Tue 4/1

11:14 am-5:52 pm

1 stop7h 38m

$240

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Thu 3/6

5:06 am-12:56 pm

1 stop6h 50m

Hartford Bradley Intl

Mon 3/10

5:30 pm-11:56 pm

1 stop7h 26m

$257

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Thu 3/6

6:35 pm-11:45 pm

1 stop4h 10m

Hartford Bradley Intl

Mon 3/10

2:50 pm-10:40 pm

2 stops8h 50m

$262

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Thu 3/6

5:55 am-3:47 pm

1 stop8h 52m

Boston Logan Intl

Mon 3/10

1:40 pm-10:18 pm

1 stop9h 38m

$264

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Fri 5/2

5:32 pm-11:59 pm

1 stop5h 27m

Hartford Bradley Intl

Mon 5/5

7:06 pm-11:36 pm

1 stop5h 30m

$277

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Fri 4/4

4:57 pm-12:47 am

1 stop6h 50m

Boston Logan Intl

Sun 4/6

6:00 am-11:46 pm

1 stop18h 46m

$278

St. LouisAlbany

STL - ALB

STLALB

Lambert-St Louis

Mon 3/10

5:55 am-12:01 pm

1 stop5h 06m

Albany Intl

Wed 3/12

12:29 pm-10:18 pm

1 stop10h 49m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from St. Louis to Massachusetts

Get recent, data-driven insights about flights from St. Louis to Massachusetts including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
See what other customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 2 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 $55. 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: Southwest (80%), Republic Airways (80%), Iberia( 77%).

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

    On average you can expect to pay $574 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 $174.

  • 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$173FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$163Average$227FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$196Average$425FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$349FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$253Average$447FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$307Average$462FlexibilityNo cancel feeOn-time63%
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