Cheap flights from St. Louis to Boston

Round-trip
1 adult
Economy
From?
To?
Fri 10/29
Fri 11/5

Travel Restriction Alert

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

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

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Boston
Best Price Found$111The best flight deal from St. Louis to Boston found on momondo in the last 72 hours is $111
Fastest flight time2h 34mThe fastest flight from St. Louis to Boston takes 2h 34m
Direct flightsNoneThere are no direct flights from St. Louis to Boston. Popular non-direct route for this connection is Lambert-St Louis Airport - Boston Logan Intl Airport.
Airports in Boston2 airportsThere are 2 airports near Boston: Boston Logan Intl (BOS), Boston Harbor SPB (BNH)

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

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 St. Louis to Boston?

January

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

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

Thursday

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

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

at noon

St. Louis to Boston flights are approximately 9% more expensive in the morning than at noon

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

Frontier

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

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

Lambert-St Louis - Boston Logan Intl

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

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

53 days before

The cheapest time to buy a flight from St. Louis to Boston is approximately 53 days to departure


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

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 St. Louis to Boston by changing tabs
Spirit Airlines
Nov 5
STL3:59 pmLambert-St Louis
13h 25m
1 stop
BOS5:24 amBoston Logan Intl
Nov 7
BOS1:00 amBoston Logan Intl
28h 50m
1 stop
STL4:50 amLambert-St Louis
Multiple Airlines
Nov 4
STL3:59 pmLambert-St Louis
13h 25m
1 stop
BOS5:24 amBoston Logan Intl
Nov 6
BOS4:00 amBoston Logan Intl
3h 10m
STL7:10 amLambert-St Louis
Spirit Airlines
Nov 4
STL3:59 pmLambert-St Louis
13h 25m
1 stop
BOS5:24 amBoston Logan Intl
Nov 8
BOS4:55 amBoston Logan Intl
27h 37m
1 stop
STL8:32 amLambert-St Louis
Spirit Airlines
Jan 20
STL1:38 pmLambert-St Louis
28h 38m
1 stop
BOS6:16 pmBoston Logan Intl
Jan 24
BOS12:07 pmBoston Logan Intl
17h 38m
1 stop
STL5:45 amLambert-St Louis
Spirit Airlines
Dec 2
STL1:19 amLambert-St Louis
9h 49m
1 stop
BOS11:08 amBoston Logan Intl
Dec 6
BOS7:15 amBoston Logan Intl
12h 57m
1 stop
STL8:12 pmLambert-St Louis
Multiple Airlines
Nov 4
STL3:59 pmLambert-St Louis
13h 25m
1 stop
BOS5:24 amBoston Logan Intl
Nov 6
BOS12:25 pmBoston Logan Intl
6h 16m
1 stop
STL6:41 pmLambert-St Louis

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

If you're looking for one-way flights from St. Louis to Boston, view some of our deals below provided by American Airlines, Frontier and Spirit Airlines
Spirit Airlines
Nov 8
STL2:59 pmLambert-St Louis
13h 25m
1 stop
BOS4:24 amBoston Logan Intl
Multiple Airlines
Nov 24
STL11:47 amLambert-St Louis
22h 44m
1 stop
BOS10:31 amBoston Logan Intl
Frontier
Nov 6
STL2:07 pmLambert-St Louis
16h 23m
2 stops
BOS5:30 amBoston Logan Intl

Search last-minute flights to Boston from St. Louis

Find and compare flight prices for your last-minute flight from St. Louis to Boston
Spirit Airlines
Oct 28
STL4:10 pmLambert-St Louis
13h 14m
1 stop
BOS5:24 amBoston Logan Intl
Nov 4
BOS3:13 pmBoston Logan Intl
15h 37m
1 stop
STL6:50 amLambert-St Louis
Multiple Airlines
Oct 29
STL4:10 pmLambert-St Louis
13h 14m
1 stop
BOS5:24 amBoston Logan Intl
Oct 31
BOS7:22 amBoston Logan Intl
21h 13m
2 stops
STL4:35 amLambert-St Louis
Spirit Airlines
Oct 30
STL3:00 amLambert-St Louis
10h 46m
1 stop
BOS1:46 pmBoston Logan Intl
Nov 5
BOS3:00 pmBoston Logan Intl
18h 32m
3 stops
STL9:32 amLambert-St Louis
Spirit Airlines
Oct 29
STL4:10 pmLambert-St Louis
13h 14m
1 stop
BOS5:24 amBoston Logan Intl
Oct 31
BOS2:11 amBoston Logan Intl
28h 39m
1 stop
STL6:50 amLambert-St Louis
Multiple Airlines
Oct 30
STL4:10 pmLambert-St Louis
13h 14m
1 stop
BOS5:24 amBoston Logan Intl
Nov 5
BOS4:00 amBoston Logan Intl
3h 10m
STL7:10 amLambert-St Louis
Spirit Airlines
Oct 30
STL3:00 amLambert-St Louis
15h 35m
2 stops
BOS6:35 pmBoston Logan Intl
Nov 5
BOS3:00 pmBoston Logan Intl
18h 32m
3 stops
STL9:32 amLambert-St Louis

Best airlines flying from St. Louis to Boston

Compare and see reviews for airlines that fly from St. Louis to Boston with momondo
AirlineRatingFree CancellationPrice
United Airlines
PriceFrom $92
Free Cancellation
Rating
6.9
7.3

Boarding

6.8

Comfort

7.5

Crew

6.7

Entertainment

6.2

Food

Reviews

People were not wearing masks and it was not being enforced by the aircrew

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 $101
Free Cancellation
Rating
8.2
8.2

Boarding

8.4

Comfort

8.3

Crew

8.1

Entertainment

8.0

Food

Reviews

Great

1 / 10
Frontier
PriceFrom $111
Free Cancellation
Rating
6.2
6.6

Boarding

5.9

Comfort

7.0

Crew

4.8

Entertainment

5.1

Food

Reviews

Not enough leg space, don't like having to pay for a seat assignment or the perception that I have to, a lot of "nickel and dime" on everything, and didn't care for the pushing of credit card.

1 / 10
Southwest
PriceFrom $229
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 Lambert-St Louis to Boston Logan Intl offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from Lambert-St Louis to Boston Logan Intl 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 Lambert-St Louis to Boston Logan Intl by plane?

    Boston Logan Intl is 1035.0 mi away from Lambert-St Louis. By plane, this route typically takes 9h 49m.


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

Information is based on travel restrictions for travel to Boston Logan Intl within the United States

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

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.

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

Returning to Lambert-St Louis from Boston Logan Intl

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.

If you are planning to travel to Boston 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 St. Louis to Boston

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Kansas City to Boston Flights
Fastest flight time2h 47m
Cheapest price$125

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