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Flights Boston — St. Louis

Boston
BOS
Saint Louis
STL

Cheap flights Boston — St. Louis

Below you can see the best deals on flights Boston — St. Louis for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 22 August, from AED 424.

Top 10 cheap flights Boston — St. Louis

Direct flights Boston — St. Louis

Direct flight options for Boston — St. Louis with no stopovers on upcoming dates. A direct flight is faster and more convenient — especially when travelling with luggage or children.

The fastest direct flight is operated by American Airlines — travel time is 3 h 10 min.

Top 10 direct flights Boston — St. Louis

About the Boston — St. Louis flight

On this page, you can find and book flights from Boston to St. Louis. Flights covering the 1,671 km distance between the cities operate regularly, with about 12 flights per week. To plan your logistics in advance, check out how to get to the airport of departure and the most convenient ways to get from the airport to your destination.

Flights are operated by airlines such as American Airlines, Southwest Airlines, and British Airways. Ticket prices are dynamic, so use the low price calendar and the price trend chart below to find the best deals.

Flight schedule Boston — St. Louis

The table shows direct flights Boston → St. Louis on the selected date. The flight takes approximately 3 h 9 min. Regular flights are operated by American Airlines, Southwest Airlines, British Airways and Iberia. Departures from Logan International Airport airports, arrivals at Lambert-St. Louis 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.

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Flight ticket prices by day: Boston — St. Louis

Below is a calendar of the lowest flight ticket prices for Boston — St. Louis by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 424 in ,, and the most expensive are around AED 1,132 in n. 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.

 
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Prices by month

Boston → St. Louis, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
JanAED 962lowMayAED 1,107mediumSepAED 938low
FebAED 953lowJunAED 1,227highOctAED 972low
MarAED 1,275highJulAED 1,299highNovAED 1,097medium
AprAED 1,083mediumAugAED 987lowDecAED 1,251high

Some values are estimated based on seasonality.

When to fly

The warmest month in St. Louis is July, with temperatures reaching up to 31.4°C, while the lowest temperatures are recorded in January. The maximum precipitation occurs from March to May, peaking at 123.57 mm.

The lowest flight price was recorded in June, starting AED 460. The most expensive month for travel is March, when ticket prices can start AED 1,132.

June is considered the best time to book due to the combination of affordable prices and comfortable weather. It is better to avoid the high-demand period in March if you are looking for ways to save.

Temperature · St. Louis

Dry and wet days · St. Louis

Wind speed and direction · St. Louis

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How to get the best deal on a Boston — St. Louis ticket

  • Book your flights at least 3–4 weeks before your planned date, as prices on this route tend to rise sharply just before departure.
  • Check offers from Southwest Airlines — this airline often offers favorable baggage terms, which is crucial for long trips.
  • Use the low price calendar to compare the cost of departure on different days: flights on Tuesdays and Wednesdays are often cheaper than on weekends.
  • Consider options with layovers if a direct flight costs more than AED 866, as connecting routes can significantly reduce the total ticket price.

Airlines

Four airlines operate on the route from Boston to St. Louis, with American Airlines and Southwest Airlines being the primary carriers. There are approximately 12 flights per week, including both direct and connecting options. Detailed information on flight schedules and available fares can be found in the interactive list below.

  • American AirlinesAA
    6x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight BOS → STL6x/week
      Duration
      3h 12m
      Days
      MTWTFSS
    50.0%Open →
  • Southwest AirlinesWN
    4x/week
    WebsiteFleet: 817140M pax/year
    • Direct flight BOS → STL4x/week
      Duration
      3h 5m
      Days
      MTWTFSS
    33.3%Open →
  • British AirwaysBA
    2x/week
    WebsiteFleet: 29243M pax/year
    • Direct flight BOS → STL2x/week
    13.9%Open →
  • IberiaIB
    1x/week
    WebsiteFleet: 9224M pax/year
    • Direct flight BOS → STL1x/week
    2.8%Open →

Cities and airports on the Boston — St. Louis route

Flights Boston — St. Louis depart from Logan International Airport and arrive at Lambert-St. Louis International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Boston

BOS
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

St. Louis

STL
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

Interesting articles about St. Louis

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Frequently asked questions about the Boston — St. Louis flight

How long is the flight from Boston to St. Louis?

The approximate travel time for a direct flight is about 2 hours, considering the 1,671 km distance between the cities.

Which airlines fly this route?

Flights are operated by American Airlines, Southwest Airlines, British Airways, and Iberia.

Which airport does the flight arrive at?

Flights from Boston arrive at St. Louis Lambert International Airport (STL), which serves St. Louis.

Are there direct flights?

Yes, direct flights are available on this route, but their frequency and availability depend on the specific airline schedule for your chosen date.

How much is the cheapest ticket?

Ticket prices are constantly changing; we recommend checking the low price calendar on this page for the current minimum fares for your dates.

Where else you can fly from Boston

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New York CityWashington, D.C.ChicagoTorontoSan FranciscoAtlantaSeattleLos AngelesPhiladelphiaNantucketLondonDallasOrlandoDenverFort LauderdaleDetroitCharlotteRaleighMontrealNashvilleMarthas VineyardMiamiMinneapolisBuffaloSan DiegoPhoenixMadridTampaPittsburghClevelandBarcelonaIndianapolisSan JuanDublinHoustonParisAustinLas VegasRichmondCincinnati

Where else you can fly from St. Louis

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ChicagoDallasNew York CityAtlantaSeattleMinneapolisTorontoDenverHoustonCharlotteWashington, D.C.DetroitPortlandOrlandoPhoenixPhiladelphiaMiamiSalt Lake CityMontrealLos AngelesLas VegasCancunFort LauderdaleJonesboroSan FranciscoLondonTampaFrankfurt am MainPunta CanaQuincy
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