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$55+ Cheap flights from St. Louis to Boston (STL - 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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The best prices from Lambert-St Louis to Boston Logan Intl are usually found in February or January, booked 80 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from St. Louis to Boston

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2024.

Popular in

April

Cheapest in

February

Round-trip from

$113
(mytrip.com)

One-way from

$55
(mytrip.com)
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 23% potential price drop
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From Lambert-St Louis to Boston Logan Intl
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One-way flight from Lambert-St Louis to Boston Logan Intl
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What is the cheapest day to fly round-trip from St. Louis to Boston?

Saturday flights are found to be more expensive to fly from St. Louis to Boston. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boston.

How far in advance should I book a flight from St. Louis to Boston?

To save on the cost of your flight from St. Louis to Boston, book at least 39 days before your planned departure. Booking around this time can save you about 76% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $546 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $648.

What is the cheapest month to fly from St. Louis to Boston?

Our data shows that February tends to be the cheapest month to fly to Boston from St. Louis. Users have commonly found prices around $409 for the month, but tickets can be as low as $127. Due to multiple factors, prepare for potentially higher prices in April.

What is the cheapest time of day to fly from STL to BOS?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight at noon.

Cheap St. Louis to Boston flights in July & August 2024

Find cheap flight options from St. Louis to Boston specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
Scroll through some of the best deals on flights from St. Louis to Boston in 2024. Check back in a little while for more flight options.
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/88:49 pmSTL - BOS
1 stop14h 28mSpirit Airlines
Tue 8/138:27 pmBOS - STL
1 stop11h 55mSpirit Airlines
Deal found 7/25$251
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/158:12 amSTL - BOS
2 stops12h 22mSpirit Airlines
Fri 8/237:40 amBOS - STL
3 stops24h 42mSpirit Airlines
Deal found 7/24$252
This mytrip.com deal was found by Cheapflights users on 7/23. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/812:00 pmSTL - BOS
2 stops11h 59mMultiple Airlines
Mon 8/124:10 pmBOS - STL
2 stops18h 16mMultiple Airlines
Deal found 7/23$257
This mytrip.com deal was found by Cheapflights users on 7/23. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/912:15 pmSTL - BOS
2 stops11h 44mMultiple Airlines
Mon 8/124:10 pmBOS - STL
2 stops18h 16mMultiple Airlines
Deal found 7/23$258
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1310:11 amSTL - BOS
2 stops13h 52mSpirit Airlines
Mon 8/199:45 amBOS - STL
3 stops22h 37mSpirit Airlines
Deal found 7/25$260
This CheapOair deal was found by Cheapflights users on 7/24. 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.
Mon 8/59:32 pmSTL - BOS
1 stop11h 36mMultiple Airlines
Mon 8/128:15 pmBOS - STL
1 stop15h 09mMultiple Airlines
Deal found 7/24$261
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1310:11 amSTL - BOS
2 stops22h 55mSpirit Airlines
Sat 8/179:06 pmBOS - STL
1 stop11h 16mSpirit Airlines
Deal found 7/24$262
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/192:00 pmSTL - BOS
3 stops32h 20mMultiple Airlines
Thu 8/227:40 amBOS - STL
3 stops24h 42mMultiple Airlines
Deal found 7/25$263
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/302:00 pmSTL - BOS
2 stops33h 27mMultiple Airlines
Mon 9/21:08 pmBOS - STL
2 stops19h 14mMultiple Airlines
Deal found 7/24$264

St. Louis to Boston 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Boston in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Scroll through some of the best deals on flights from St. Louis to Boston in 2024. Check back in a little while for more flight options.
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/58:57 amSTL - BOS
2 stops9h 50mMultiple Airlines
Fri 9/1311:35 amBOS - STL
2 stops25h 10mMultiple Airlines
Deal found 7/24$243
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/278:57 amSTL - BOS
3 stops30h 48mSpirit Airlines
Sun 9/294:03 pmBOS - STL
2 stops16h 59mSpirit Airlines
Deal found 7/24$246
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/227:57 amSTL - BOS
3 stops26h 55mMultiple Airlines
Sat 10/263:42 pmBOS - STL
3 stops25h 43mMultiple Airlines
Deal found 7/24$247
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1412:15 pmSTL - BOS
3 stops10h 06mMultiple Airlines
Wed 9/184:59 pmBOS - STL
3 stops24h 46mMultiple Airlines
Deal found 7/25$248
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/88:49 pmSTL - BOS
1 stop14h 28mSpirit Airlines
Tue 8/138:27 pmBOS - STL
1 stop11h 55mSpirit Airlines
Deal found 7/25$251
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/158:12 amSTL - BOS
2 stops12h 22mSpirit Airlines
Fri 8/237:40 amBOS - STL
3 stops24h 42mSpirit Airlines
Deal found 7/24$252
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/225:15 pmSTL - BOS
1 stop15h 45mMultiple Airlines
Tue 9/244:59 pmBOS - STL
3 stops20h 11mMultiple Airlines
Deal found 7/25$253
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/712:15 pmSTL - BOS
3 stops10h 06mMultiple Airlines
Tue 9/1011:35 amBOS - STL
2 stops25h 10mMultiple Airlines
Deal found 7/24$254
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/612:00 pmSTL - BOS
2 stops28h 42mMultiple Airlines
Fri 9/133:28 pmBOS - STL
3 stops21h 17mMultiple Airlines
Deal found 7/24$255

St. Louis to Boston flights leaving soon

Find last-minute flight options from St. Louis to Boston for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Users seeking a last-minute flight from St. Louis to Boston should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/112:15 pmSTL - BOS
2 stops11h 44mMultiple Airlines
Mon 8/56:35 amBOS - STL
2 stops30h 10mMultiple Airlines
Deal found 7/25$271
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/112:15 pmSTL - BOS
2 stops11h 44mMultiple Airlines
Wed 8/76:35 amBOS - STL
2 stops10h 40mMultiple Airlines
Deal found 7/24$276
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/112:15 pmSTL - BOS
2 stops11h 44mMultiple Airlines
Wed 8/710:26 amBOS - STL
3 stops31h 19mMultiple Airlines
Deal found 7/24$280
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/311:34 amSTL - BOS
1 stop7h 26mMultiple Airlines
Tue 8/66:35 amBOS - STL
2 stops30h 10mMultiple Airlines
Deal found 7/25$292
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/112:15 pmSTL - BOS
2 stops11h 44mMultiple Airlines
Mon 8/56:35 amBOS - STL
2 stops10h 40mMultiple Airlines
Deal found 7/24$295
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/24:45 pmSTL - BOS
2 stops31h 14mMultiple Airlines
Mon 8/56:35 amBOS - STL
2 stops30h 10mMultiple Airlines
Deal found 7/25$305
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/25:00 pmSTL - BOS
3 stops24h 49mMultiple Airlines
Mon 8/56:35 amBOS - STL
2 stops30h 10mMultiple Airlines
Deal found 7/25$310
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/112:15 pmSTL - BOS
3 stops20h 21mMultiple Airlines
Mon 8/56:35 amBOS - STL
2 stops30h 10mMultiple Airlines
Deal found 7/25$312
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/112:15 pmSTL - BOS
3 stops20h 21mMultiple Airlines
Wed 8/72:54 pmBOS - STL
3 stops26h 51mMultiple Airlines
Deal found 7/24$320

One-way flights to Boston from St. Louis

Search for one-way flight options from St. Louis to Boston. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Boston, be sure to check out these deals, which are updated often. For those needing a return trip from St. Louis, there is a search form available above.
This mytrip.com deal was found by Cheapflights users on 7/23. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/277:35 pmSTL - BOS
1 stop15h 21mFrontier
Deal found 7/23$55
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/207:35 pmSTL - BOS
1 stop15h 21mFrontier
Deal found 7/24$56
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/288:12 amSTL - BOS
2 stops12h 22mSpirit Airlines
Deal found 7/25$60
This Frontier deal was found by Cheapflights users on 7/25. 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.
Tue 8/137:35 pmSTL - BOS
1 stop11h 51mFrontier
Deal found 7/25$64
This Priceline deal was found by Cheapflights users on 7/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/97:57 amSTL - BOS
1 stop6h 22mSpirit Airlines
Deal found 7/25$77
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/269:43 amSTL - BOS
1 stop25h 24mFrontier
Deal found 7/24$78
This mytrip.com deal was found by Cheapflights users on 7/23. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/218:12 amSTL - BOS
2 stops12h 22mSpirit Airlines
Deal found 7/23$79
This Frontier deal was found by Cheapflights users on 7/25. 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.
Sat 8/177:35 pmSTL - BOS
1 stop11h 51mFrontier
Deal found 7/25$80
This mytrip.com deal was found by Cheapflights users on 7/23. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/247:35 pmSTL - BOS
1 stop15h 21mFrontier
Deal found 7/23$81

Find flights from St. Louis to Boston within your budget

Customize your flight search to find flights from St. Louis 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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$113 - $288

Route

Depart

Return

Price

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

Fri 9/6

1 stop27h 14m

Boston Logan Intl

Fri 9/13

1 stop8h 12m

$113

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

Wed 8/21

2 stops12h 22m

Boston Logan Intl

Wed 8/28

1 stop11h 16m

$115

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

Wed 8/21

3 stops24h 17m

Boston Logan Intl

Wed 8/28

1 stop11h 16m

$124

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

Wed 8/21

1 stop6h 25m

Boston Logan Intl

Wed 8/28

1 stop11h 16m

$130

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

Wed 8/14

1 stop11h 51m

Boston Logan Intl

Tue 8/20

1 stop24h 32m

$131

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

Thu 8/15

1 stop12h 09m

Boston Logan Intl

Fri 8/23

1 stop20h 47m

$132

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

Tue 8/13

1 stop11h 51m

Boston Logan Intl

Fri 8/16

1 stop11h 16m

$146

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

Fri 9/6

1 stop8h 07m

Boston Logan Intl

Tue 9/10

1 stop9h 10m

$267

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

Wed 9/4

1 stop5h 22m

Boston Logan Intl

Tue 9/10

1 stop6h 39m

$288

Flights are sorted by cheapest first

Deals found on 7/24

How far ahead should I book a flight from St. Louis to Boston?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Boston. Price data was last updated on July 25, 2024.
The best time to book flights from St. Louis to Boston is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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What is the cheapest day to fly from St. Louis to Boston?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Boston. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Boston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from St. Louis to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston 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.

Temperature and rainfall in Boston by month

Plan your trip to Boston by taking into account the average temperature and rainfall totals by month.

BOS

Temperature

30.2 - 73.4 °F

If weather is an important factor for your trip to Boston, 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 Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated July 25, 2024.
Peruse reviews from past customers who have flown with Spirit Airlines, American Airlines and Frontier from St. Louis to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,641 reviews

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
5,641 reviews
Southwest
8.2
Very good
5,641 reviews

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.1
Very good
9,365 reviews
Southwest
8.2
Very good
5,641 reviews

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
9,630 reviews
Southwest
8.2
Very good
5,641 reviews

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,000 reviews
Southwest
8.2
Very good
5,641 reviews

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.3
Good
10,000 reviews
Southwest
8.2
Very good
5,641 reviews

Crew

8.7

Boarding

8.3

Overall

8.2

Comfort

8.1

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from St. Louis to Boston?

    Booking a flight from Lambert-St Louis (STL) to Boston Logan Intl (BOS) is your only option if you wish to fly from St. Louis to Boston. On a typical day, there are 6 flights from Lambert-St Louis to Logan Intl, all of which are around 2h 29m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Lambert-St Louis to Boston.

  • Can I find flights from St. Louis to Boston for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Boston for under $200. The cheapest flight booked recently is on Frontier for just $113, but on average you can expect to pay $140.

  • Are there nonstop flights from St. Louis to Boston for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Boston under $300. A good price for a nonstop flight from St. Louis to Boston is less than $376.

  • Are there last-minute flights available from St. Louis to Boston for under $300?

    There are currently 20+ open flights from St. Louis to Boston within the next 7 days for less than $300.

  • What days are nonstop flights available from St. Louis to Boston?

    Nonstop flights are available for this route on the following days: Monday.

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

    The Lambert-St Louis to Boston Logan Intl flight path was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How many flights depart from St. Louis to Boston on average per day?

    Per day, 3 flights depart from St. Louis to Boston on average.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from St. Louis to Boston?

    There are many flights that can get you from St. Louis to Boston in 12h 22m. Fly via Frontier or Spirit Airlines to get the fastest option. St. Louis and Boston are separated by a distance of 1049 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from St. Louis to Boston round-trip?

    According to our current data, Frontier ($113), and Spirit Airlines ($115) offers the cheapest pricing from St. Louis to Boston. Users have found that Frontier is 72% cheaper than the other options available to this destination.

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

    No one likes to see their flight delayed. When booking a flight from St. Louis to Boston consider choosing Iberia (86%), Qatar Airways (81%) or Southwest (77%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from St. Louis to Boston is generally $954, our data shows the cheapest flight currently is $155. When looking at the most popular route, (Lambert-St Louis - Boston Logan Intl), you can expect to pay $115 for that flight.

  • What does STL to BOS mean?

    Lambert-St Louis Airport is STL and Boston Logan Intl Airport is BOS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from St. Louis to Boston that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Boston flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Boston with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Boston flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis 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.

  • Can I find deals for flights from St. Louis to Boston that allow pets onboard?

    Many airlines flying from St. Louis to Boston offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Boston?

    Yes, you can often find last-minute deals on St. Louis to Boston flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Boston flight deals updated?

    The St. Louis to Boston flight deals you see on this page were last updated on 7/25.

  • What are the most popular airlines that fly from St. Louis to Boston?

    The most popular airlines flying from St. Louis to Boston are American Airlines, JetBlue and Delta. Something to consider prior to booking your flight.

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Boston (average of $218). Flying from St. Louis to Boston in July is currently the most expensive (average of $315). 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 Boston
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 Boston

Discover the top 6 airlines that operate flights from St. Louis 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$97Average$175FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$117Average$225FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$389FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$196Average$436FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$421FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$264Average$451FlexibilityNo cancel feeOn-time62%
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Search flights from St. Louis to Boston by cabin class

Find flights from St. Louis to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
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Hourly flight availability from St. Louis to Boston

Find hourly flight availability from St. Louis 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 July 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
56%of flight departuresMorning6 am to noon
12%of flight departuresAfternoonNoon to 6 pm
31%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from St. Louis to Boston

Explore weekly flight availability from St. Louis to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 25, 2024.
Sunday7daily flights
Monday6daily flights
Tuesday7daily flights
Wednesday6daily flights
Thursday7daily flights
Friday7daily flights
Saturday3daily flights

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