Flights Boston to Saint Louis

Find cheap Boston - Saint Louis flights with our free flight search engine. Compare all available fares for direct flights to Saint Louis. Search and find the best fares and deals for Boston to Saint Louis flights. Find your cheap flight to Saint Louis (STL) among many online travel agencies, traditional airlines as well as low cost carriers.

Jetcost is a price comparison service for flights to Saint Louis airport. You can also compare hotels in Saint Louis and Saint Louis car rentals.
Compare flights from Boston to Saint Louis on regular or low cost flights and find the best BOS - STL flight prices on Jetcost.
Weather forecast for Saint Louis
  • Sunday 19
    Min 13 °C
    Max 21 °C
  • Monday 20
    Min 15 °C
    Max 22 °C
  • Tuesday 21
    Min 10 °C
    Max 20 °C
  • Wednesday 22
    Min 13 °C
    Max 23 °C
  • Thursday 23
    Min 16 °C
    Max 21 °C
Climate in Saint Louis
  • Cold
     
     
     
     
    Hot
  •  
    Rain (mm)
    Days of rain
  • January
    1 °C
    69.00
    15
  • February
    3 °C
    57.00
    12
  • March
    8 °C
    83.00
    15
  • April
    14 °C
    104.00
    17
  • May
    19 °C
    129.00
    18
  • June
    24 °C
    103.00
    14
  • July
    26 °C
    100.00
    13
  • August
    26 °C
    73.00
    12
  • September
    21 °C
    76.00
    10
  • October
    15 °C
    71.00
    12
  • November
    8 °C
    86.00
    12
  • December
    2 °C
    64.00
    14