Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $331 (Mytrip) |
One-way from | $152 (American Airlines) |
Popular in | April |
Cheapest in | September |
Average price | $509 |
Good round-trip deal | $386 or less |
Good one-way deal | $189 or less |
Fly from
Fly to
Route
Depart
Return
Price
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Thu 6/19
6:00 am-5:04 pm
2 stops12h 04m
Lambert-St Louis
Sun 6/22
6:12 pm-8:39 am
1 stop13h 27m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Mon 5/12
6:30 am-8:40 am
Nonstop3h 10m
Lambert-St Louis
Sun 5/25
6:00 am-12:12 pm
1 stop5h 12m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Fri 6/6
10:51 am-11:37 pm
1 stop13h 46m
Lambert-St Louis
Mon 6/9
7:00 am-10:37 am
1 stop26h 37m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Sat 5/24
5:55 pm-8:00 pm
Nonstop3h 05m
Lambert-St Louis
Mon 5/26
9:10 pm-8:10 am
1 stop10h 00m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Wed 5/21
5:40 am-12:04 pm
1 stop7h 24m
Lambert-St Louis
Sat 5/24
5:17 pm-10:56 pm
1 stop4h 39m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Wed 5/21
6:00 am-2:47 pm
1 stop9h 47m
Lambert-St Louis
Wed 5/28
6:30 am-3:25 pm
2 stops7h 55m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Thu 9/25
6:00 am-11:59 pm
2 stops18h 59m
Lambert-St Louis
Sun 9/28
6:30 am-6:26 am
2 stops22h 56m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Wed 4/30
7:48 pm-6:41 pm
2 stops23h 53m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Sat 6/7
6:00 am-12:20 pm
1 stop7h 20m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Wed 6/11
2:25 pm-5:04 pm
3 stops27h 39m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy- | Trust Score*1 star | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Boston to St. Louis, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, August is the cheapest month in which you can book a flight from Boston to St. Louis (average of $311). Flying from Boston to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Boston to St. Louis in the evening. Doing so could potentially save you 8% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Boston to St. Louis flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from BOS to STL are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.
If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$107 | Average$165 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$118 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$196 | Average$327 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$257 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$303 | Average$445 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$331 | Average$455 | FlexibilityNo cancel fee | On-time63% |