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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: Jul 25, 2016 1:48 AM

Popular flights from St Louis to Boston Last modified: Jul 25, 2016 1:48 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 8/25
3 stops
BOSSTL
Wed 8/31
3 stops
$344
Select
American
STLBOS
Tue 8/23
1 stop
BOSSTL
Mon 8/29
1 stop
$348
Select
American
STLBOS
Wed 8/24
1 stop
BOSSTL
Tue 8/30
1 stop
$348
Select
American
STLBOS
Thu 8/25
1 stop
BOSSTL
Mon 8/29
1 stop
$348
Select
American
STLBOS
Sat 8/27
1 stop
BOSSTL
Sat 9/3
1 stop
$348
Select
American
STLBOS
Sat 8/27
1 stop
BOSSTL
Tue 8/30
1 stop
$348
Select
Alaska
STLBOS
Mon 8/8
1 stop
BOSSTL
Fri 8/12
1 stop
$2,162
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 $359.

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
$348 $348 $348 $348 $382 $348 $385

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
July St Louis Boston American 7/25/16 8/14/16 1 $604
August St Louis Boston United 8/25/16 8/31/16 3 $344
September St Louis Boston American 9/13/16 9/21/16 1 $348
October St Louis Boston American 10/5/16 10/11/16 1 $348
November St Louis Boston American 11/5/16 11/12/16 1 $351
December St Louis Boston American 12/14/16 12/19/16 1 $352
January St Louis Boston American 1/19/17 1/26/17 1 $352
February St Louis Boston United 2/23/17 2/25/17 1 $402
TIPSave $158 by flying into Westchester County instead of Boston from St Louis

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, United $199
St Louis to Manchester American, Alaska, United $262
St Louis to Providence American, Alaska, United $262
St Louis to Hartford American, Alaska, United $210
St Louis to Newark American, Alaska, United $199
St Louis to Chicago American, Alaska, United $219
St Louis to Portland American, Alaska, United $350
St Louis to Atlanta American, Alaska, Frontier, United $67
St Louis to Philadelphia American, Alaska, United $331
St Louis to Washington American, Alaska, United $203
St Louis to Martha's Vineyard American, Alaska, United $403
St Louis to Baltimore American, Alaska, United $217
St Louis to Albany American, Alaska, United $313
St Louis to Dallas - Ft Worth American, Alaska, United $209
St Louis to Long Island MacArthur American, Alaska, United $302

Cheap Domestic Flights to Boston - BOS

FlightsAirlineLowest Price
Springfield to Boston American, Alaska, United $389
Moline to Boston American, United $250
Peoria to Boston American, United $247
Bloomington - Normal to Boston American $244
Evansville to Boston American, United $369
Champaign to Boston American $315
Springfield to Boston American, United $283
Springfield to Manchester American, United $400
Springfield to Providence American, United $429
Evansville to Providence American, United Check Dates
Evansville to Manchester American, United $369
Evansville to New York American, United $369
Springfield to New York American, United $369
Springfield to Hartford American, United $372
Peoria to Hartford American, United $372
Cheap Flights from St Louis to Boston, MA, United States, from $344 Round trip from STL to BOS