On this page, you can find and book flights from St. Louis to Boston. The total distance between the cities is 1,671 km, and approximately 13 flights are operated on this route weekly.
Services on this route are provided by airlines such as American Airlines and Southwest Airlines. Since ticket prices change constantly, we recommend using the price trend chart. Information on how to get to the departure airport or from the airport to downtown Boston can be found in the relevant sections.
The table shows direct flights St. Louis → Boston on the selected date. The flight takes approximately 2 h 45 min. Regular flights are operated by American Airlines, Southwest Airlines, Iberia and British Airways. Departures from Lambert-St. Louis International Airport airports, arrivals at Logan International Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for St. Louis — Boston by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 371 in y, and the most expensive are around AED 992 in r. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
St. Louis → Boston, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 962 | low | May | AED 1,011 | low | Sep | AED 987 | low |
| Feb | AED 1,107 | medium | Jun | AED 1,251 | high | Oct | AED 1,035 | medium |
| Mar | AED 1,059 | medium | Jul | AED 1,299 | high | Nov | AED 938 | low |
| Apr | AED 1,155 | high | Aug | AED 1,203 | high | Dec | AED 1,131 | high |
Some values are estimated based on seasonality.
The warmest month in Boston is July, with average temperatures reaching up to 27.9°C, while January is considered the coldest, with temperatures potentially dropping to -4°C. Precipitation is evenly distributed throughout the year, but December stands out as the wettest month.
The lowest flight cost was recorded in July, starting AED 371. Prices peak in May, when ticket costs rise to AED 1,118.
For a comfortable trip, it is best to choose September — the weather remains pleasant during this time, and prices starting AED 638 are significantly lower than peak values. It is advisable to avoid flying in late spring if you are looking for maximum savings.
Regular flight services between the cities are provided by 4 airlines, with American Airlines and Southwest Airlines leading in the number of departures. Both direct flights and options with convenient connections are available on this route. To view the detailed schedule for specific days of the week and choose the right carrier, check the interactive list below.
Flights St. Louis — Boston depart from Lambert-St. Louis International Airport and arrive at Logan International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
A direct flight over a distance of 1,671 km usually takes about 2 hours 15 minutes. Travel time may vary slightly depending on weather conditions and the chosen airline.
The majority of flights are operated by American Airlines and Southwest Airlines. You may also find offers from British Airways and Iberia through partnership or codeshare agreements.
Yes, there are direct flights on this route, allowing you to travel from St. Louis to Boston as quickly as possible without any additional transfers.
Flight prices are dynamic and depend on demand. We recommend checking the current minimum in the low-fare calendar and the price trend chart on this page.
All flights from St. Louis (STL) arrive at Boston Logan International Airport (BOS).
The best deals are typically available when booking 1.5–2 months before departure. It is also worth monitoring seasonal price fluctuations in our chart.
Where travelers fly most — pick a route and check prices
