Flights from Boston to St Louis, United States

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Did you mean flights from St Louis to Boston?

Boston to St Louis Last modified: Dec 12, 2019 3:13 -05:00

We've scanned 48,195,047,545 round trip itineraries and found the cheapest flights to St Louis. American & Major Airlines frequently offer the best deals to St Louis flights, or select your preferred carrier below to see the cheapest days to fly.

American
BOSSTL
Wed 1/8
1 stop
STLBOS
Sat 1/11
1 stop
$185
Major Airlines
BOSSTL
Thu 1/23
1 stop
STLBOS
Mon 1/27
1 stop
$188
United
BOSSTL
Wed 1/8
1 stop
STLBOS
Sat 1/11
1 stop
$188
Alaska
BOSSTL
Wed 1/29
1 stop
STLBOS
Wed 2/12
1 stop
$382

How Much is a Flight from Boston to St Louis?

We have collected flight cost data from across the web for travel from Boston to St Louis, and have found the average flight price for this trip to be $186.

Where To Buy Cheap Flights from Boston to St Louis?

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 Boston to St Louis 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 Boston to St Louis?

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

Cheapest Day To Fly from Boston to St Louis

We've examined 57,595,778,181 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Boston to St Louis is Monday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$185$186$185$185$185$185$186

Compare Flight Prices from Boston to St Louis by Month

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 Boston to St Louis flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
December Boston St Louis American 12/17/19 12/20/19 1 $187
January Boston St Louis American 1/8/20 1/11/20 1 $185
February Boston St Louis American 2/1/20 2/8/20 1 $185
March Boston St Louis American 3/11/20 3/17/20 1 $185
April Boston St Louis American 4/1/20 4/6/20 1 $185
May Boston St Louis American 5/5/20 5/6/20 1 $185
June Boston St Louis American 6/18/20 6/22/20 1 $187
July Boston St Louis American 7/24/20 7/27/20 1 $189

Cheap Last Minute Flights from Boston to St Louis

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

Next 30 Days

SunMonTueWedThuFriSat
8 9 10 11 12 13 14
$313
15 16 17 18 19 20 21
$313 $242
22 23 24 25 26 27 28
$242 $428
29 30 31 1 2 3 4
$428 $290
5 6 7 8 9 10 11
$290 $187
12 13 14 15 16 17 18
$187

Connecting Flights vs Direct Flights from Boston to St Louis

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 Boston to St Louis is $186.

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

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

Weekly Direct Flights from Boston to St Louis - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Major Airlines 3 3 3 3 3 2 3 00:40 16:30

One Way Flights vs Round Trip Flights from Boston to St Louis

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 Boston to St Louis. 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 Boston to St Louis is $176.

The average price for round trip flights from Boston to St Louis is $186.

Boston to St Louis Flight Questions

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

Question: How long is the flight from Boston to St Louis?
Answer: The average Boston to St Louis flight time is 3 hours and 19 minutes.
Question: How far is St Louis from Boston?
Answer: The distance from Boston to St Louis is 1,043 miles (1,678 kilometers).
Question: How common are direct flights from Boston to St Louis?
Answer: There are 20 direct flights from Boston to St Louis.
Question: What are the most popular Boston airlines for direct flights from Boston to St Louis?
Answer: Major Airlines provides 100% of the non-stop flights between Boston and St Louis.
Question: What are the most popular connecting cities when flying from Boston to St Louis?
Answer: Chicago, IL

Airlines in Boston flying to St Louis Last modified: Dec 12, 2019 3:13 -05:00Number of routes searched: 156Number of itineraries searched: 512,933

Wondering which airlines fly out of Boston to St Louis? We've gathered the average price of Boston airlines with flights to St Louis. 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.

Boston to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American CLT
American DCA
American DFW
American LAX
American LGA
Air Canada YYZ
Alaska LAX
Alaska SEA
Major Airlines ATL
Major Airlines CVG
Major Airlines DTW
Major Airlines LGA
Major Airlines MSP
Frontier MCO
Sun Country MSP
United DEN
United EWR
United IAD
United IAH
United ORD
Air Canada YOW / YYZ
Air Canada YUL / YYZ
Alaska LAX / SEA
Alaska PDX / SEA
Alaska SAN / SEA

Boston to St Louis Airports

These are the major commercial airports we're currently monitoring in Boston and St Louis. 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 Domestic Flights from Boston - BOS Last modified: Dec 12, 2019 3:13 -05:00

Cheap International Flights to St Louis - STL Last modified: Dec 12, 2019 3:13 -05:00

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Cheap Flights from Boston to St Louis