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Did you mean flights from Boston to St Louis?

Cheap Flights from St Louis to Boston, MA, United States - STL to BOS Last modified: Aug 27, 2016 3:13 AM

Popular flights from St Louis to Boston Last modified: Aug 27, 2016 3:13 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

United
STLBOS
Thu 10/20
2 stops
BOSSTL
Tue 11/8
2 stops
$274
Select
United
STLBOS
Mon 11/21
2 stops
BOSSTL
Fri 11/25
2 stops
$274
Select
United
STLBOS
Fri 11/25
2 stops
BOSSTL
Thu 12/1
2 stops
$274
Select
American
STLBOS
Thu 11/10
3 stops
BOSSTL
Sat 11/12
3 stops
$335
Select
American
STLBOS
Tue 11/15
3 stops
BOSSTL
Tue 11/29
3 stops
$335
Select

How Much Does it Cost to Fly from St Louis to Boston (STL to BOS)?

We have collected flight cost data from across the web for travel from St Louis to Boston, and have found the average flight price for this trip to be $304.

When Can I Buy the Cheapest Flight from St Louis to Boston (STL to BOS)?

Airlines can adjust prices for plane tickets from St Louis to Boston based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from St Louis to Boston

The chart below shows up-to-date information regarding the cheapest days to fly from St Louis to Boston.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$274 $329 $326 $274 $274 $340 $305

Lowest Fares Chart By Month from St Louis to Boston

The chart below shows the lowest fare by month when flying from St Louis to Boston.

Month Origin Destination Carrier Depart Date Return Date Stops Price
August St Louis Boston American 8/31/16 9/3/16 1 $707
September St Louis Boston United 9/27/16 10/3/16 2 $329
October St Louis Boston United 10/20/16 11/8/16 2 $274
November St Louis Boston United 11/21/16 11/25/16 2 $274
December St Louis Boston United 12/1/16 12/6/16 2 $305
January St Louis Boston American 1/18/17 1/26/17 1 $336
February St Louis Boston United 2/16/17 2/24/17 2 $314
March St Louis Boston American 3/13/17 3/22/17 1 $336
TIPSave $203 by flying into Westchester County instead of Boston from St Louis

Round Trip vs One Way Flights from St Louis to Boston (STL to BOS)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from St Louis to Boston. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from St Louis to Boston is $173.

The average price for round trip flights from St Louis to Boston is $305.

St Louis to Boston Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from St Louis to Boston?
Answer: Atlanta, GA

Airlines Flying from St Louis to Boston (STL to BOS) Number of flights searched: 191Last modified: Aug 27, 2016 3:13 AM

Below are the different airlines that fly from St Louis to Boston with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from St Louis to Boston.

St Louis to Boston
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHL X X X X X X X
Delta MSP X X X X X X X
United EWR X X X X X X X
Southwest - X X X X X X X
Southwest BWI X X X X X X X

Airports for Your Route

These pages contain information about the major airports in St Louis and Boston, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to New York American, Alaska, Delta, United $248
St Louis to Manchester American, Delta, United $194
St Louis to Providence American, Delta, United $191
St Louis to Hartford American, Delta, United $271
St Louis to Newark American, Alaska, Delta, United $251
St Louis to Chicago American, United $214
St Louis to Portland American, Delta, United $340
St Louis to Atlanta American, Delta, Frontier, United $107
St Louis to Philadelphia American, Alaska, Delta, United $315
St Louis to Washington American, Alaska, Delta, United $203
St Louis to Martha's Vineyard American Check Dates
St Louis to Baltimore American, Alaska, Delta, United $213
St Louis to Albany American, Delta, United $329
St Louis to Dallas - Ft Worth American, Alaska, United $213
St Louis to Long Island MacArthur American $388

Cheap Domestic Flights to Boston - BOS

FlightsAirlineLowest Price
Springfield to Boston American, Delta, United $346
Moline to Boston American, Alaska, Delta, United $256
Peoria to Boston American, Delta, United $253
Bloomington - Normal to Boston American, Delta $244
Evansville to Boston American, Delta, United $328
Champaign to Boston American $281
Springfield to Boston American, United $256
Springfield to Manchester American, Delta, United $533
Springfield to Providence American, Delta, United $346
Evansville to Providence American, Delta, United $328
Evansville to Manchester American, Delta, United $386
Evansville to New York American, Delta, United $321
Springfield to New York American, Alaska, Delta, United $343
Springfield to Hartford American, Delta, United $343
Peoria to Hartford American, Delta, United $322
Cheap Flights from St Louis to Boston, MA, United States, from $274 Round trip from STL to BOS