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 | $96 | The best flight deal from Boston to St. Louis found on momondo in the last 72 hours is $96 |
| Fastest flight time | 3h 05m | The fastest flight from Boston to St. Louis takes 3h 05m |
| Direct flights | None | There 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. Louis | 1 airport | There 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
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
Search last-minute flights to St. Louis from Boston
Find and compare flight prices for your last-minute flight from Boston to St. Louis
Best airlines flying from Boston to St. Louis
Compare and see reviews for airlines that fly from Boston to St. Louis with momondo
Reviews
Las azafatas NO eran amables. No te dan ni agua. Para todo hay que pagar. Los asientos super duros y no reclinaban. Pesimo!!
Reviews
Not because the flight is going to Africa we can’t get better service on board
Reviews
Flight attendant for first class is definitely not a morning person. Oh and the WiFi DID NOT WORK!
Reviews
Great
Reviews
Delayed flight
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?
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?
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.