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  1. Flights
  2. United States
  3. Boston
  4. St Louis, MO - Boston

Flights from St Louis, MO to Boston

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Explore the best deals

Discover the cheapest flights from St Louis, MO to Boston
Thu, Nov 26 - Sun, Nov 29
AA
AADirect
STL - BOS
AA
AADirect
BOS - STL
506€
490€
Prime price per passenger
The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from St Louis, MO to Boston

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available at the beginning of December. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.
Filter by
week: Dec 7 - Dec 13
Flights from just €157
€157
December
Distance: 1,667 km
St Louis, MO airports
Boston airports
Logan International Airport (BOS)How far from city centre: 5 km

Book your flight from St Louis, MO to Boston

Find direct and indirect flights from St Louis, MO to Boston (United States) with eDreams. Once you have your results, sort them by schedule or price and book the option that best suits your plans.

The lowest fare booked on this route in recent days was €490, though the price you see will depend on your travel dates and departure times.

Airports and airlines connecting St Louis, MO and Boston

Knowing where you set off from and where you arrive helps you organise your journey better. Consider the available airports and compare the different airlines operating on this route.

  • Arrival airport: Logan International Airport (BOS)

Weather in Boston

The best time to visit may depend on your preferred climate. In Boston, the average temperature floats around 26ºC in the warmest months and -4ºC in the coldest ones. Keep this in mind when packing and planning any outdoor activities.

  • Highs: up to 27ºC
  • Lows: down to -5ºC
  • Hottest month: July
  • Coldest month: January
  • Driest month: February
  • Wettest month: March

How to save when flying from St Louis, MO to Boston

A few tips for finding cheaper flights from St Louis, MO to Boston:

  • Flexible dates: compare fares for two or three different departure days. Leaving a day earlier or later can make a noticeable difference to the price.
  • Baggage allowance: check what each fare includes before you book, so you aren't caught out by extra charges at the airport.
  • Airports on your route: confirm which airports you depart from and land at, especially if the city has more than one. This will help you plan your transfer and work out the total cost of getting around.

Looking for a bigger saving? Book a Flight + Hotel package to combine both in one booking and unlock exclusive discounts on your stay in Boston. You can also save on a hire car by including it with your booking.

Frequently asked questions about flights from St Louis, MO to Boston

On average, what is the price of a St Louis, MO to Boston flight?
When flying from St Louis, MO to Boston the average price will be €307. However, this price is dependant on several other factors like seasonality or the time in advance taken when booking the route.
For flights from St Louis, MO to Boston, how can I find the cheapest price?
On eDreams we use machine learning to find the most economical flight between St Louis, MO and Boston. By taking into account the combinations of airlines, stopovers, direct flights as well as the various criteria for the journeys, our search engine allows us to offer our customers the best price under the best conditions.
When booking, when is the best time to do so in order to get the best prices for St Louis, MO to Boston flights?
The most popular month for flights from St Louis, MO to Boston are: April, July and September.
When is the best time to travel from St Louis, MO to Boston?
A good period of the year to visit Boston from St Louis, MO really depends on lots of personal preferences, price being one of the main criteria When it comes to popularity, August is the best month to fly to Boston from St Louis, MO, basedd on searches from our customers, followed by December and July. If you prefer to avoid the busy season and get away from the crowds October, September and May are the months with fewer searches for the route St Louis, MO -  Boston.
What is the duration of a flight from St Louis, MO to Boston?
Flight time, on average, from St Louis, MO to Boston is usually 2 h and 37 m on average, at an average distance of 1,666.55 km, for flights for the route (which may have 1 or more stops in other cities in between).
What is the weather like in Boston compared to St Louis, MO?
The average temperature in St Louis, MO is 26º degrees in summer. Boston reaches 22º during the hot season. In winter, however, temperatures are around 0º degrees in Boston, compared to the 1º average degrees in St Louis, MO.

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