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Fares from $44 One Way, $135 Round Trip from Boston to St. Louis

Prices starting at $135 for return flights and $44 for one-way flights to St. Louis were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

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More About Flying To St. Louis from Boston

Route Information for Flights from Boston to St. Louis

Origin Airport IATA CodeBOS
Destination Airport IATA CodeSTL
Distance1043 mi
Direct Flight AirlinesSouthwest Airlines
Earliest Flight Arrival3:05PM UTC
Latest Flight Arrival1:30AM UTC

Fly from Boston to St Louis

Visit the famous Gateway Arch and a catch a bird's eye view when you fly from Boston to St. Louis. Travelers will find daily flights between Boston Logan International Airport (BOS) and Lambert-St Louis International Airport (STL), some as short as three hours. The airport is located in East Boston and is one of the largest airports in New England. Passengers are able to travel between terminals using a series of shuttle buses, moving walkways and the MBTA Silver Line trains.


In addition to touring the Gateway Arch, visitors will want to visit St Louis to experience the full range of musical styles the city is known for. St Louis is home to the St Louis Symphony Orchestra as well as a myriad of downtown clubs that feature home-grown ragtime, jazz and blues music. Major League Baseball fans will be excited to see the Cardinals play at Busch Stadium. Football fanatics can watch the St Louis Rams play at Edward Jones Dome.

Hints and tips

STL is comprised of five concourses, allowing transfers via bus or MetroLink. While waiting at the airport, guests will want to visit the Black Americans in Flight mural, located in Terminal One. Summers in St Louis are pleasantly warm with highs of about 86 degrees while lows in winter usually hit the 20s in January and February.

Flights from Boston to St. Louis - Frequently Asked Questions

Are there non-stop flights from Boston to St. Louis?

Get your passport ready, because Southwest Airlines will fly you straight from Boston to St. Louis. Book your ticket now and enjoy a trouble-free, nonstop flight.

What is the shortest flight from Boston to St. Louis?

Keep that binge-watch you had planned for some other time, because the journey from Boston, MA Airport (BOS-Logan Intl.) to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) can take as little as 2 hours and 55 minutes.

What airlines fly from Boston to St. Louis most frequently?

Southwest Airlines operates the most services from Boston to St. Louis, with 84 flights every month.

^Savings based on all package bookings with Flight + Hotel made on from January 1, 2019 to December 31, 2019 as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages.