Cheap flights from St. Louis to Boston (STL - BOS) from $49

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 4/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — BOS
abr. 16 — abr. 231

The best prices from Lambert-St Louis to Boston Logan Intl are usually found in January or February, booked 83 days in advance, depart on a Wednesday or Tuesday 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 abril 11, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$218

One-way from

$138
High demand for flights, 12% potential price rise
Best time to find cheap flights, 12% potential price drop
From Lambert-St Louis to Boston Logan Intl
One-way flight from Lambert-St Louis to Boston Logan Intl

What is the cheapest day to fly round-trip from St. Louis to Boston?

Sunday 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 37 days before your planned departure. Booking around this time can save you about 94% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $539 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 January tends to be the cheapest month to fly to Boston from St. Louis. Users have commonly found prices around $415 for the month, but tickets can be as low as $125. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from St. Louis to Boston (STL - BOS)?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Boston in the afternoon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.

Cheap Spirit Airlines flights from St. Louis to Boston

Explore cheap flight options specifically provided by Spirit Airlines for the route between St. Louis and Boston. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated abril 11, 2024.
Find some of the cheapest Spirit Airlines flights traveling from St. Louis to Boston. Make sure to double check the flight details before booking.
mar. 4/302:35 pmSTL - BOS
1 stop7h 42mSpirit Airlines
mié. 5/18:38 pmBOS - STL
1 stop21h 56mSpirit Airlines
Deal found 4/11$199
sáb. 5/115:15 pmSTL - BOS
1 stop6h 42mSpirit Airlines
lun. 5/137:36 pmBOS - STL
2 stops15h 03mSpirit Airlines
Deal found 4/11$206
jue. 5/97:30 pmSTL - BOS
1 stop16h 33mSpirit Airlines
dom. 5/266:10 amBOS - STL
1 stop12h 19mSpirit Airlines
Deal found 4/11$207
sáb. 5/115:15 pmSTL - BOS
1 stop6h 42mSpirit Airlines
lun. 5/136:00 amBOS - STL
3 stops28h 39mSpirit Airlines
Deal found 4/11$225
jue. 5/97:30 pmSTL - BOS
1 stop16h 33mSpirit Airlines
jue. 5/166:00 amBOS - STL
2 stops13h 40mSpirit Airlines
Deal found 4/11$232
jue. 5/97:30 pmSTL - BOS
3 stops37h 20mSpirit Airlines
dom. 5/266:10 amBOS - STL
1 stop12h 19mSpirit Airlines
Deal found 4/11$243
mar. 4/302:35 pmSTL - BOS
2 stops24h 10mSpirit Airlines
mié. 5/19:50 pmBOS - STL
2 stops20h 44mSpirit Airlines
Deal found 4/11$248
mar. 4/302:35 pmSTL - BOS
3 stops29h 10mSpirit Airlines
sáb. 5/47:55 pmBOS - STL
2 stops22h 39mSpirit Airlines
Deal found 4/10$256
mar. 4/162:35 pmSTL - BOS
1 stop7h 42mSpirit Airlines
sáb. 4/207:55 pmBOS - STL
1 stop23h 45mSpirit Airlines
Deal found 4/10$349
  • If you’re traveling from St. Louis to Boston, one of the more common airlines traveling that route is Spirit Airlines. St. Louis to Boston flights are typically 38% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $523.10 RT. The cheapest Spirit Airlines flight found for this route was $226. When traveling from St. Louis to Boston on Spirit Airlines, the most popular airport to depart from is Lambert-St Louis Airport and the most popular airport to arrive at is Boston Logan Intl Airport. When flying from St. Louis to Boston, Spirit Airlines flights are 7% more popular than any other airline flying that same route.

Cheap American Airlines flights from St. Louis to Boston

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Boston. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated abril 11, 2024.
Have a look at some of the cheapest available American Airlines flights departing from St. Louis and landing in Boston. Ensure the flight price, dates, time, and airline match your criteria before you book.
sáb. 5/117:45 amSTL - BOS
1 stop8h 15mAmerican Airlines
lun. 5/137:00 amBOS - STL
Nonstop3h 10mAmerican Airlines
Deal found 4/11$287
sáb. 5/117:45 amSTL - BOS
1 stop8h 15mAmerican Airlines
lun. 5/137:00 amBOS - STL
Nonstop3h 10mAmerican Airlines
Deal found 4/10$288
lun. 5/61:40 pmSTL - BOS
Nonstop2h 49mAmerican Airlines
mar. 5/78:50 amBOS - STL
1 stop8h 27mAmerican Airlines
Deal found 4/11$298
mié. 5/86:16 amSTL - BOS
1 stop8h 05mAmerican Airlines
lun. 5/137:00 amBOS - STL
Nonstop3h 10mAmerican Airlines
Deal found 4/10$309
vie. 5/241:01 pmSTL - BOS
1 stop7h 42mAmerican Airlines
dom. 5/268:50 amBOS - STL
1 stop8h 27mAmerican Airlines
Deal found 4/10$314
mié. 5/155:04 amSTL - BOS
1 stop4h 41mAmerican Airlines
sáb. 5/188:00 amBOS - STL
Nonstop3h 17mAmerican Airlines
Deal found 4/10$315
vie. 5/1010:30 amSTL - BOS
Nonstop2h 49mAmerican Airlines
mar. 5/147:00 amBOS - STL
Nonstop3h 10mAmerican Airlines
Deal found 4/10$323
sáb. 5/1110:49 amSTL - BOS
Nonstop2h 49mAmerican Airlines
lun. 5/137:00 amBOS - STL
Nonstop3h 10mAmerican Airlines
Deal found 4/11$327
mar. 8/137:00 pmSTL - BOS
Nonstop2h 40mAmerican Airlines
sáb. 8/1711:35 amBOS - STL
1 stop6h 42mAmerican Airlines
Deal found 4/10$331
  • If you’re traveling from St. Louis to Boston, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $415.74 RT. This price is typically 69% more expensive than other airlines that offer St. Louis to Boston flights. When booking this route, the cheapest RT price found was $226. The most popular departure airport in St. Louis when flying to Boston is Lambert-St Louis Airport. The most popular airport to fly into when visiting Boston is Boston Logan Intl Airport. When flying from St. Louis to Boston, American Airlines flights are 3% more popular than any other airline flying that same route.

Cheap St. Louis to Boston flights in April & May 2024

Find cheap flight options from St. Louis to Boston specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,194,136 searches. Prices were last updated on abril 11, 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.
sáb. 5/114:37 pmSTL - BOS
1 stop14h 31mFrontier
sáb. 5/189:49 amBOS - STL
1 stop7h 36mFrontier
Deal found 4/11$98
mié. 5/155:56 pmSTL - BOS
1 stop14h 30mFrontier
sáb. 5/189:49 amBOS - STL
1 stop22h 19mFrontier
Deal found 4/10$101
sáb. 5/185:25 pmSTL - BOS
1 stop15h 18mFrontier
lun. 5/2010:04 amBOS - STL
1 stop22h 04mFrontier
Deal found 4/10$102
vie. 5/177:44 pmSTL - BOS
1 stop12h 05mFrontier
lun. 5/2010:04 amBOS - STL
1 stop22h 04mFrontier
Deal found 4/10$111
sáb. 5/114:37 pmSTL - BOS
1 stop14h 31mFrontier
lun. 5/139:08 amBOS - STL
1 stop23h 05mFrontier
Deal found 4/11$120
sáb. 5/114:37 pmSTL - BOS
1 stop14h 31mFrontier
lun. 5/139:08 amBOS - STL
1 stop23h 05mFrontier
Deal found 4/10$121
sáb. 5/114:37 pmSTL - BOS
1 stop14h 31mFrontier
mié. 5/1511:36 amBOS - STL
1 stop20h 32mFrontier
Deal found 4/11$126
sáb. 5/114:37 pmSTL - BOS
1 stop14h 31mFrontier
lun. 5/139:08 amBOS - STL
1 stop23h 05mFrontier
Deal found 4/11$128
mar. 5/147:16 pmSTL - BOS
1 stop14h 30mFrontier
sáb. 5/2511:42 amBOS - STL
1 stop20h 26mFrontier
Deal found 4/10$145

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 3,194,136 searches. Data last updated abril 11, 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.
sáb. 5/114:37 pmSTL - BOS
1 stop14h 31mFrontier
sáb. 5/189:49 amBOS - STL
1 stop7h 36mFrontier
Deal found 4/11$98
mié. 5/155:56 pmSTL - BOS
1 stop14h 30mFrontier
sáb. 5/189:49 amBOS - STL
1 stop22h 19mFrontier
Deal found 4/10$101
sáb. 5/185:25 pmSTL - BOS
1 stop15h 18mFrontier
lun. 5/2010:04 amBOS - STL
1 stop22h 04mFrontier
Deal found 4/10$102
vie. 5/177:44 pmSTL - BOS
1 stop12h 05mFrontier
lun. 5/2010:04 amBOS - STL
1 stop22h 04mFrontier
Deal found 4/10$111
sáb. 5/114:37 pmSTL - BOS
1 stop14h 31mFrontier
lun. 5/139:08 amBOS - STL
1 stop23h 05mFrontier
Deal found 4/11$120
sáb. 5/114:37 pmSTL - BOS
1 stop14h 31mFrontier
lun. 5/139:08 amBOS - STL
1 stop23h 05mFrontier
Deal found 4/10$121
sáb. 5/114:37 pmSTL - BOS
1 stop14h 31mFrontier
mié. 5/1511:36 amBOS - STL
1 stop20h 32mFrontier
Deal found 4/11$126
sáb. 5/114:37 pmSTL - BOS
1 stop14h 31mFrontier
lun. 5/139:08 amBOS - STL
1 stop23h 05mFrontier
Deal found 4/11$128
mar. 5/147:16 pmSTL - BOS
1 stop14h 30mFrontier
sáb. 5/2511:42 amBOS - STL
1 stop20h 26mFrontier
Deal found 4/10$145

Non-stop flights to Boston from St. Louis

Discover non-stop flight options from St. Louis to Boston. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated abril 11, 2024.
To help reduce your travel time, choose from one of these non-stop flights from St. Louis to Boston. Search for alternative flights from St. Louis to Boston by utilizing the search form above.
mar. 5/710:30 amSTL - BOS
Nonstop2h 49mAmerican Airlines
mié. 5/157:00 amBOS - STL
Nonstop3h 10mAmerican Airlines
Deal found 4/10$303
vie. 5/1010:30 amSTL - BOS
Nonstop2h 49mAmerican Airlines
mar. 5/147:00 amBOS - STL
Nonstop3h 10mAmerican Airlines
Deal found 4/10$323
sáb. 5/1110:49 amSTL - BOS
Nonstop2h 49mAmerican Airlines
lun. 5/137:00 amBOS - STL
Nonstop3h 10mAmerican Airlines
Deal found 4/11$326
sáb. 5/1110:49 amSTL - BOS
Nonstop2h 49mAmerican Airlines
lun. 5/137:00 amBOS - STL
Nonstop3h 10mAmerican Airlines
Deal found 4/10$327
mié. 7/316:51 pmSTL - BOS
Nonstop2h 38mAmerican Airlines
jue. 8/87:00 amBOS - STL
Nonstop3h 08mAmerican Airlines
Deal found 4/10$337
mié. 5/81:40 pmSTL - BOS
Nonstop2h 49mAmerican Airlines
lun. 5/137:00 amBOS - STL
Nonstop3h 10mAmerican Airlines
Deal found 4/10$343
sáb. 5/1810:49 amSTL - BOS
Nonstop2h 49mAmerican Airlines
dom. 5/267:00 amBOS - STL
Nonstop3h 10mAmerican Airlines
Deal found 4/10$347
vie. 5/31:47 pmSTL - BOS
Nonstop2h 42mAmerican Airlines
dom. 5/57:00 amBOS - STL
Nonstop3h 24mAmerican Airlines
Deal found 4/10$357
lun. 6/106:51 pmSTL - BOS
Nonstop2h 43mAmerican Airlines
mar. 6/257:00 amBOS - STL
Nonstop3h 07mAmerican Airlines
Deal found 4/10$361

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 3,194,136 searches. Data last updated abril 11, 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.
mié. 4/179:53 pmSTL - BOS
1 stop9h 15mFrontier
sáb. 4/209:08 amBOS - STL
1 stop12h 24mFrontier
Deal found 4/10$218
jue. 4/187:30 pmSTL - BOS
2 stops34h 51mMultiple Airlines
jue. 4/259:08 amBOS - STL
1 stop10h 32mMultiple Airlines
Deal found 4/10$326
dom. 4/217:00 amSTL - BOS
1 stop26h 33mMultiple Airlines
mié. 4/248:38 pmBOS - STL
1 stop21h 56mMultiple Airlines
Deal found 4/10$328
mar. 4/162:35 pmSTL - BOS
1 stop7h 42mSpirit Airlines
sáb. 4/207:55 pmBOS - STL
1 stop23h 45mSpirit Airlines
Deal found 4/10$349
mié. 4/179:53 pmSTL - BOS
1 stop9h 15mMultiple Airlines
sáb. 4/206:17 pmBOS - STL
2 stops13h 56mMultiple Airlines
Deal found 4/10$364
dom. 4/217:30 pmSTL - BOS
1 stop11h 34mSpirit Airlines
lun. 4/2212:28 pmBOS - STL
1 stop22h 16mSpirit Airlines
Deal found 4/10$438
mié. 4/1711:33 amSTL - BOS
2 stops22h 00mMultiple Airlines
sáb. 4/205:05 amBOS - STL
3 stops31h 25mMultiple Airlines
Deal found 4/10$454
vie. 4/195:35 pmSTL - BOS
2 stops14h 56mMultiple Airlines
dom. 4/219:08 amBOS - STL
1 stop10h 32mMultiple Airlines
Deal found 4/11$461
jue. 4/186:00 amSTL - BOS
1 stop6h 24mDelta
jue. 4/251:00 pmBOS - STL
1 stop5h 26mDelta
Deal found 4/10$462

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 3,194,136 searches. Data last updated abril 11, 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.
mié. 4/249:53 pmSTL - BOS
1 stop9h 15mFrontier
Deal found 4/10$49
jue. 5/167:44 pmSTL - BOS
1 stop12h 20mFrontier
Deal found 4/10$55
sáb. 5/114:37 pmSTL - BOS
1 stop14h 31mFrontier
Deal found 4/10$59
vie. 5/177:44 pmSTL - BOS
1 stop12h 05mFrontier
Deal found 4/10$65
mié. 5/299:10 pmSTL - BOS
1 stop10h 30mFrontier
Deal found 4/10$66
mar. 6/187:44 pmSTL - BOS
1 stop11h 32mFrontier
Deal found 4/11$74
lun. 4/299:11 pmSTL - BOS
1 stop9h 57mFrontier
Deal found 4/10$81
dom. 4/287:16 pmSTL - BOS
1 stop11h 52mFrontier
Deal found 4/10$85
mar. 4/302:35 pmSTL - BOS
1 stop7h 42mSpirit Airlines
Deal found 4/11$92

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 3,194,136 searches. Data last updated abril 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$101 - $287

Route

Depart

Return

Price

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

mié. 5/15

1 stop14h 30m

Boston Logan Intl

sáb. 5/18

1 stop22h 19m

$101

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

sáb. 5/18

1 stop15h 18m

Boston Logan Intl

lun. 5/20

1 stop22h 04m

$102

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

vie. 5/17

1 stop12h 05m

Boston Logan Intl

lun. 5/20

1 stop22h 04m

$111

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

sáb. 5/11

1 stop14h 31m

Boston Logan Intl

lun. 5/13

1 stop23h 05m

$120

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

sáb. 5/11

1 stop14h 31m

Boston Logan Intl

lun. 5/13

1 stop23h 05m

$121

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

mar. 4/30

1 stop7h 42m

Boston Logan Intl

sáb. 5/4

1 stop23h 05m

$159

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

mar. 4/30

1 stop7h 42m

Boston Logan Intl

mié. 5/1

1 stop21h 56m

$199

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

mar. 5/14

1 stop4h 16m

Boston Logan Intl

mar. 5/28

1 stop6h 19m

$254

Lambert-St LouisBoston Logan Intl

STL - BOS

STLBOS

Lambert-St Louis

sáb. 5/11

1 stop8h 15m

Boston Logan Intl

lun. 5/13

Nonstop3h 10m

$287

Flights are sorted by cheapest first

Deals found on 4/10

When is the best time to 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 January 28, 2024.
The best time to book flights from St. Louis to Boston is 83 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.
Search Deals

When is the cheapest time 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 April 7, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Boston flight should consider departing on Thursday 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.
Search Deals

Average price of flights to Boston by month

Plan your trip from St. Louis to Boston by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Boston is currently $70 while a round-trip flight costs $162. Price data was last updated on April 7, 2024.

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 $328). 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.

January

$218

February

$220

March

$263

April

$291

May

$278

June

$324

July

$328

August

$284

September

$258

October

$260

November

$258

December

$233

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

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 abril 11, 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.
8.1
Very good
11,206 reviews

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

8.1
Very good
11,206 reviews
8.1
Very good
11,206 reviews

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

7.4
Good
11,391 reviews
8.1
Very good
11,206 reviews

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

7.3
Good
15,011 reviews
8.1
Very good
11,206 reviews

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

7.2
Good
679 reviews
8.1
Very good
11,206 reviews

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

6.4
Okay
8,803 reviews
8.1
Very good
11,206 reviews

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

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 38m 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 $101, but on average you can expect to pay $157.

  • Are there nonstop flights from St. Louis to Boston for under $400 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Boston under $400. A good price for a nonstop flight from St. Louis to Boston is less than $364.

  • 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.

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

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

    According to our current data, Frontier ($101), and Spirit Airlines ($199) offers the cheapest pricing from St. Louis to Boston. Users have found that Frontier is 75% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from St. Louis to Boston one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $49. Spirit Airlines flights start at $92 while deals on Delta start at $142 one-way.

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

  • 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 (88%), American Airlines (85%) or Envoy Air (85%) 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 $508, our data shows the cheapest flight currently is $163. When looking at the most popular route, (Lambert-St Louis - Boston Logan Intl), you can expect to pay $144 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 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 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 see available direct flights.

  • 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 do 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 4/11.

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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.

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 3,194,136 searches. Data last updated abril 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$106Average$215FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$135Average$287FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$185Average$485FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$195Average$415FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest$226Average$523FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
American AirlinesCheapest$226Average$416FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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.

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 abril 11, 2024.
1%of flight departuresEarly morningMidnight to 6 am
66%of flight departuresMorning6 am to noon
24%of flight departuresAfternoonNoon to 6 pm
9%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 abril 11, 2024.
Sunday7daily flights
Monday6daily flights
Tuesday7daily flights
Wednesday6daily flights
Thursday7daily flights
Friday7daily flights
Saturday3daily flights

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How does Cheapflights help users find flights from St. Louis to Boston?

Cheapflights helps you search for flights from St. Louis to Boston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Boston?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Boston from St. Louis.

Can Cheapflights find flights from St. Louis to Boston with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Boston, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Boston become cheaper?

Yes! Start tracking prices for St. Louis to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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