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Did you mean flights from Boston to St Louis?

Flights from St Louis to Boston, United States

TIPSave $183 by flying into Manchester, New Hampshire instead of Boston from St Louis

St Louis to Boston Last modified: Aug 16, 2017 3:33 -04:00Prices shown were found by travelers like you over the past 30 days

We've scanned 28,874,438,656 round trip itineraries and found the cheapest flights to Boston. American & United frequently offer the best deals to Boston flights, or select your preferred carrier below to see the cheapest days to fly.

American
STLBOS
Wed 12/6
3 stops
BOSSTL
Wed 12/13
3 stops
$300
United
STLBOS
Mon 9/11
1 stop
BOSSTL
Wed 9/13
1 stop
$336
Alaska
STLBOS
Sat 10/21
1 stop
BOSSTL
Tue 10/24
1 stop
$619

How Much is a Flight from St Louis to Boston? Prices shown were found by travelers like you over the past 30 days

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 $341.

Where To Buy Cheap Flights from St Louis to Boston?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for 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 found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from St Louis to Boston? Prices shown were found by travelers like you over the past 30 days

The chart below shows up-to-date information regarding how far in advance to book your flight from St Louis to Boston.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $620
7-14 days $0 $402
14-21 days $0 $336
21-30 days $0 $333
30-60 days $0 $333
60-90 days $0 $333
90+ days $0 $300

Cheapest Day To Fly from St Louis to Boston Prices shown were found by travelers like you over the past 30 days

We've examined 28,888,465,581 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from St Louis to Boston is Monday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$333$333$333$333$360$333$362

Compare Flight Prices from St Louis to Boston by Month Prices shown were found by travelers like you over the past 30 days

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for St Louis to Boston flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
August St Louis Boston United 8/31/17 9/9/17 2 $385
September St Louis Boston American 9/11/17 9/13/17 1 $333
October St Louis Boston American 10/7/17 10/14/17 1 $333
November St Louis Boston American 11/4/17 11/6/17 1 $333
December St Louis Boston American 12/6/17 12/13/17 3 $300
February St Louis Boston American 2/5/18 2/12/18 1 $333
March St Louis Boston American 3/29/18 4/5/18 1 $372
April St Louis Boston Alaska 4/2/18 4/8/18 2 $1,208

Cheap Last Minute Flights from St Louis to Boston Prices shown were found by travelers like you over the past 30 days

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from St Louis to Boston. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
13 14 15 16 17 18 19
$741
20 21 22 23 24 25 26
$741 $525
27 28 29 30 31 1 2
$525 $413
3 4 5 6 7 8 9
$413 $381
10 11 12 13 14 15 16
$381 $386
17 18 19 20 21 22 23
$386

Connecting Flights vs Direct Flights from St Louis to Boston Prices shown were found by travelers like you over the past 30 days

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from St Louis to Boston is $474.

The average price for direct flights from St Louis to Boston is not available.

The chart below shows up to date information regarding non-stop flights from St Louis to Boston.

Weekly Direct Flights from St Louis to Boston - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Major Airlines 3 3 3 3 3 2 3 08:20 19:40

One Way Flights vs Round Trip Flights from St Louis to Boston Prices shown were found by travelers like you over the past 30 days

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 not available.

The average price for round trip flights from St Louis to Boston is $472.

St Louis to Boston Flight Questions

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

Question: How long is the flight from St Louis to Boston?
Answer: The average St Louis to Boston flight time is 2 hours and 39 minutes.
Question: How far is Boston from St Louis?
Answer: The distance from St Louis to Boston is 1,044 miles (1,680 kilometers).
Question: How common are direct flights from St Louis to Boston?
Answer: There are 20 direct flights from St Louis to Boston.
Question: What are the most popular St Louis airlines for direct flights from St Louis to Boston?
Answer: Major Airlines provides 100% of the non-stop flights between St Louis and Boston.
Question: What are the most popular connecting cities when flying from St Louis to Boston?
Answer: Chicago, IL

Airlines in St Louis flying to Boston Last modified: Aug 16, 2017 3:33 -04:00Number of routes searched: 110Number of itineraries searched: 79,918

Wondering which airlines fly out of St Louis to Boston? We've gathered the average price of St Louis airlines with flights to Boston. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

St Louis to Boston
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American CLT
American DCA
American DFW
American LGA
American MIA
Alaska SEA
Major Airlines ATL
Major Airlines CVG
Major Airlines DTW
Major Airlines LGA
Major Airlines MCO
United DEN
United EWR
United IAD
United IAH
United ORD
Alaska PDX / LAX
Alaska PDX / SEA
Alaska PDX / SFO
Alaska SAN / SEA

St Louis to Boston Airports

These are the major commercial airports we're currently monitoring in St Louis and Boston. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Flights from St Louis to Boston