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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: Jun 27, 2016 7:51 AM

Popular flights from St Louis to Boston Last modified: Jun 27, 2016 7:51 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.

Alaska Airlines
Departure Date Return Date Lowest Price
Aug 3, 2016 Aug 15, 2016 $3,745
American Airlines
Departure Date Return Date Lowest Price
Sep 13, 2016 Sep 20, 2016 $315
Sep 14, 2016 Sep 21, 2016 $315
Sep 14, 2016 Sep 20, 2016 $315
United Airlines
Departure Date Return Date Lowest Price
Jul 19, 2016 Jul 26, 2016 $320
Jul 20, 2016 Jul 26, 2016 $320
Jul 23, 2016 Jul 30, 2016 $320
Aug 3, 2016 Aug 17, 2016 $320
Aug 17, 2016 Aug 24, 2016 $320

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 $347.

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
$382 $315 $315 $342 $368 $317 $387

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
June St Louis Boston American 6/30/16 7/3/16 2 $716
July St Louis Boston American 7/19/16 7/26/16 1 $318
August St Louis Boston American 8/17/16 8/24/16 1 $317
September St Louis Boston American 9/13/16 9/20/16 1 $315
October St Louis Boston American 10/1/16 10/8/16 1 $317
November St Louis Boston American 11/19/16 11/21/16 1 $368
December St Louis Boston United 12/17/16 12/27/16 1 $320
January St Louis Boston United 1/7/17 1/16/17 1 $399
TIPSave $359 by flying into New York 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 $217.

The average price for round trip flights from St Louis to Boston is $317.

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: Chicago, IL

Airlines Flying from St Louis to Boston (STL to BOS) Number of flights searched: 186Last modified: Jun 27, 2016 7:52 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 LGA X X X X X X X
Delta ATL X X X X X X X
United IAD X X X X X X X
Southwest - X X X X X X X
Southwest MKE 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, United $209
St Louis to Manchester American, Alaska, United $333
St Louis to Providence American, Alaska, United $363
St Louis to Hartford American, Alaska, United $336
St Louis to Newark American, Alaska, United $257
St Louis to Chicago American, Alaska, United $241
St Louis to Portland American, Alaska, United $381
St Louis to Atlanta American, Alaska, Frontier, United $107
St Louis to Philadelphia American, Alaska, United $307
St Louis to Washington American, Alaska, United $325
St Louis to Martha's Vineyard American, United $359
St Louis to Baltimore American, Alaska, United $325
St Louis to Albany American, Alaska, United $373
St Louis to Dallas - Ft Worth American, Alaska, United $235
St Louis to Long Island MacArthur American, Alaska, United $555

Cheap Domestic Flights to Boston - BOS

FlightsAirlineLowest Price
Springfield to Boston American, Alaska, United $390
Moline to Boston American, Alaska, United $250
Peoria to Boston American, United $250
Bloomington - Normal to Boston American $250
Evansville to Boston American, United $369
Champaign to Boston American $335
Springfield to Boston American, United $250
Springfield to Manchester American, United $425
Springfield to Providence American, United $392
Evansville to Providence American, United $529
Evansville to Manchester American, United $552
Evansville to New York American, United $369
Springfield to New York American, United $370
Springfield to Hartford American, United $412
Peoria to Hartford American, United $372
Cheap Flights from St Louis to Boston, MA, United States, from $315 Round trip from STL to BOS