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Cheap BOS to STL Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Boston to St. Louis route information

Origin Airport Logan Intl.
Destination Airport Lambert-St. Louis Intl.
Airlines Serving American Airlines, Delta, Frontier Airlines, United
Flight Price $178
Distance 1,043 mi







Cheap BOS to STL Flights

  • Question : How much time do people spend in Saint Louis?
    Answer : The average time spent sightseeing in Saint Louis by travelers from Boston is five days.
  • Question : What is the cheapest airline flying from Boston to Saint Louis?
    Answer : Flight prices are hitting as high as $920 over the next three months when flying to STL from BOS. Check out American Airlines, as customers have been booking flights at just $167.
  • Question : How many flights are there per day from Boston to Saint Louis?
    Answer : Depending on the day, the number of flight times will change, but on average there are seven. The average route departing the United States currently has nine different flight times per day, so expect fewer choices than you're used to.
  • Question : Which airline has the least delays from Boston to Saint Louis?
    Answer : Booking with Southwest Airlines means you will arrive to Saint Louis approximately the time you were supposed to. In fact, this timely airline has a 76% on-time average. It never hurts to be prepared. If you should choose this airline, be sure to track the flight status to stay on top of the departure time.
  • Question : How long is the flight from BOS to STL?
    Answer : If you're able to take the direct flight (which is offered by Southwest Airlines), you will be able to leave BOS at 12:35 PM EDT and get to STL at 2:45 PM CDT (three hours and 10 minutes). Remember, there is a time change of one hour.
  • Question : What is the cheapest day to fly to Saint Louis?
    Answer : Jun 18th has bookings (as of Jun 17th) for as little as $172. That comes in 54% below the average price for this route. Saving now gives you more money to spend on your trip.
  • Question : How long does it take to fly from Boston to Saint Louis?
    Answer : If you are flying on Southwest Airlines, your flight will be just about three hours and 10 minutes. So, if you were to leave Boston at 12:35 PM EDT, you would get to Saint Louis at 2:45 PM CDT. Don't forget the one-hour time change.