Cheap flights from Boston to St. Louis

Round-trip
1 adult
Economy
From?
To?
Mon 10/25
Mon 11/1

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Boston Logan Intl to St. Louis.
View current United States travel restrictions

Flight information for Boston to St. Louis
(BOS to STL)

Find info about flight duration, direct flights, and airports for your flight from Boston to St. Louis
Best Price Found$96The best flight deal from Boston to St. Louis found on momondo in the last 72 hours is $96
Fastest flight time3h 05mThe fastest flight from Boston to St. Louis takes 3h 05m
Direct flightsNoneThere are no direct flights from Boston to St. Louis. Popular non-direct route for this connection is Boston Logan Intl Airport - Lambert-St Louis Airport.
Airports in St. Louis1 airportThere is 1 airport near St. Louis: Lambert-St Louis (STL)

How to get the cheapest flight ticket from Boston to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Boston to St. Louis?

January

The cheapest time of year to fly to St. Louis from Boston is January. Most expensive is September

What is the cheapest day to depart Boston for St. Louis?

Thursday

The cheapest day of the week is typically Thursday. The most expensive is typically Sunday

When is the cheapest time to fly from Boston to St. Louis?

in the afternoon

Boston to St. Louis flights are approximately 20% more expensive in the evening than in the afternoon

What is the cheapest airline that flies to St. Louis from Boston?

Frontier

American Airlines, Delta, and Frontier are the most popular carriers operating from Boston to St. Louis

What is the cheapest Boston to St. Louis flight route?

Boston Logan Intl - Lambert-St Louis

Fly from Boston Logan Intl to Lambert-St Louis for the best Boston - St. Louis flight prices

How far in advance should you book Boston to St. Louis flights?

37 days before

The cheapest time to buy a flight from Boston to St. Louis is approximately 37 days to departure


Easily compare round-trip flights from Boston to St. Louis

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Boston to St. Louis by changing tabs
Spirit Airlines
Nov 2
BOS4:00 amBoston Logan Intl
29h 32m
1 stop
STL9:32 amLambert-St Louis
Nov 7
STL2:59 pmLambert-St Louis
13h 25m
1 stop
BOS4:24 amBoston Logan Intl
Multiple Airlines
Nov 1
BOS4:49 amBoston Logan Intl
28h 43m
2 stops
STL9:32 amLambert-St Louis
Nov 7
STL2:59 pmLambert-St Louis
13h 25m
1 stop
BOS4:24 amBoston Logan Intl
Spirit Airlines
Dec 4
BOS1:10 pmBoston Logan Intl
6h 54m
1 stop
STL8:04 pmLambert-St Louis
Dec 6
STL1:38 pmLambert-St Louis
28h 43m
1 stop
BOS6:21 pmBoston Logan Intl
Spirit Airlines
Nov 5
BOS2:45 pmBoston Logan Intl
16h 05m
1 stop
STL6:50 amLambert-St Louis
Nov 8
STL2:59 pmLambert-St Louis
13h 25m
1 stop
BOS4:24 amBoston Logan Intl
Spirit Airlines
Dec 8
BOS5:28 amBoston Logan Intl
14h 36m
1 stop
STL8:04 pmLambert-St Louis
Dec 13
STL1:38 pmLambert-St Louis
28h 43m
1 stop
BOS6:21 pmBoston Logan Intl
Multiple Airlines
Nov 8
BOS3:49 amBoston Logan Intl
28h 43m
2 stops
STL8:32 amLambert-St Louis
Nov 11
STL2:59 pmLambert-St Louis
13h 25m
1 stop
BOS4:24 amBoston Logan Intl

Find the cheapest one-way flights from Boston to St. Louis

If you're looking for one-way flights from Boston to St. Louis, view some of our deals below provided by American Airlines and Spirit Airlines
Spirit Airlines
Dec 4
BOS1:10 pmBoston Logan Intl
6h 54m
1 stop
STL8:04 pmLambert-St Louis
Multiple Airlines
Oct 26
BOS5:55 amBoston Logan Intl
8h 32m
1 stop
STL2:27 pmLambert-St Louis
Spirit Airlines
Nov 16
BOS2:45 amBoston Logan Intl
27h 48m
1 stop
STL6:33 amLambert-St Louis

Search last-minute flights to St. Louis from Boston

Find and compare flight prices for your last-minute flight from Boston to St. Louis
Spirit Airlines
Oct 26
BOS4:00 amBoston Logan Intl
29h 32m
1 stop
STL9:32 amLambert-St Louis
Oct 28
STL4:10 pmLambert-St Louis
13h 14m
1 stop
BOS5:24 amBoston Logan Intl
Multiple Airlines
Oct 26
BOS5:55 amBoston Logan Intl
8h 32m
1 stop
STL2:27 pmLambert-St Louis
Oct 27
STL4:10 pmLambert-St Louis
13h 14m
1 stop
BOS5:24 amBoston Logan Intl
Spirit Airlines
Oct 25
BOS2:45 amBoston Logan Intl
6h 47m
1 stop
STL9:32 amLambert-St Louis
Oct 30
STL3:00 amLambert-St Louis
10h 46m
1 stop
BOS1:46 pmBoston Logan Intl
Multiple Airlines
Oct 26
BOS5:59 amBoston Logan Intl
8h 28m
1 stop
STL2:27 pmLambert-St Louis
Oct 28
STL4:10 pmLambert-St Louis
13h 14m
1 stop
BOS5:24 amBoston Logan Intl
Spirit Airlines
Oct 26
BOS7:22 amBoston Logan Intl
26h 10m
2 stops
STL9:32 amLambert-St Louis
Oct 28
STL4:10 pmLambert-St Louis
13h 14m
1 stop
BOS5:24 amBoston Logan Intl
Multiple Airlines
Oct 26
BOS5:59 amBoston Logan Intl
8h 28m
1 stop
STL2:27 pmLambert-St Louis
Oct 27
STL4:10 pmLambert-St Louis
13h 14m
1 stop
BOS5:24 amBoston Logan Intl

Best airlines flying from Boston to St. Louis

Compare and see reviews for airlines that fly from Boston to St. Louis with momondo
AirlineRatingFree CancellationPrice
Frontier
PriceFrom $77
Free Cancellation
Rating
6.3
6.6

Boarding

6.0

Comfort

7.1

Crew

4.8

Entertainment

5.1

Food

Reviews

Las azafatas NO eran amables. No te dan ni agua. Para todo hay que pagar. Los asientos super duros y no reclinaban. Pesimo!!

1 / 10
United Airlines
PriceFrom $92
Free Cancellation
Rating
6.9
7.3

Boarding

6.7

Comfort

7.5

Crew

6.7

Entertainment

6.2

Food

Reviews

Not because the flight is going to Africa we can’t get better service on board

1 / 10
American Airlines
PriceFrom $92
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.8

Crew

7.1

Entertainment

6.8

Food

Reviews

Flight attendant for first class is definitely not a morning person. Oh and the WiFi DID NOT WORK!

1 / 10
Delta
PriceFrom $97
Free Cancellation
Rating
8.2
8.2

Boarding

8.4

Comfort

8.3

Crew

8.1

Entertainment

8.0

Food

Reviews

Great

1 / 10
Southwest
PriceFrom $398
Free Cancellation
Rating
8.2
8.3

Boarding

8.1

Comfort

8.5

Crew

7.3

Entertainment

7.5

Food

Reviews

Delayed flight

1 / 10

  • Are airlines flying from Boston Logan Intl to Lambert-St Louis offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from Boston Logan Intl to Lambert-St Louis are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are American Airlines, Delta, and United Airlines. You can search for the full list of airlines like American Airlines that are offering this flexibility.

  • How far is Boston Logan Intl to Lambert-St Louis by plane?

    Lambert-St Louis is 1035.0 mi away from Boston Logan Intl. Flights usually cover this in 6h 47m, depending on flying conditions and air traffic around both airports.


Can I fly to Lambert-St Louis from Boston Logan Intl right now?

Information is based on travel restrictions for travel to Lambert-St Louis within the United States

Most visitors from Boston Logan Intl need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Boston Logan Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering Lambert-St Louis.

Can I fly back to Boston Logan Intl from Lambert-St Louis?

Returning to Boston Logan Intl from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Boston Logan Intl.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Boston Logan Intl.

If you are planning to travel to St. Louis at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for Boston to St. Louis

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Boston to Kansas City Flights
Fastest flight time3h 22m
Cheapest price$105

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