Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $327 (American Airlines) |
One-way from | $147 (United Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $473 |
Good round-trip deal | $389 or less |
Good one-way deal | $191 or less |
Fly from
Fly to
Route
Depart
Return
Price
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Mon 4/21
7:48 pm-6:41 pm
2 stops23h 53m
Lambert-St Louis
Fri 4/25
9:50 am-6:43 pm
2 stops7h 53m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Mon 5/5
6:00 am-10:43 am
1 stop5h 43m
Lambert-St Louis
Wed 5/7
9:10 am-12:54 pm
Nonstop2h 44m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Wed 4/23
5:30 am-9:28 am
1 stop4h 58m
Lambert-St Louis
Mon 4/28
5:37 pm-11:52 pm
1 stop5h 15m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Fri 6/20
6:10 am-8:59 am
1 stop27h 49m
Lambert-St Louis
Mon 6/23
4:17 pm-8:29 am
1 stop15h 12m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Sun 4/20
11:25 am-3:48 pm
1 stop5h 23m
Lambert-St Louis
Wed 4/23
9:39 am-5:28 pm
2 stops6h 49m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Tue 9/23
7:35 am-9:30 am
Nonstop2h 55m
Lambert-St Louis
Sat 9/27
10:30 am-5:20 pm
2 stops5h 50m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Wed 7/2
9:40 am-11:49 pm
1 stop15h 09m
Lambert-St Louis
Sun 7/6
8:44 pm-11:01 am
1 stop13h 17m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Tue 7/1
9:03 am-2:37 pm
1 stop6h 34m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Wed 5/7
3:49 pm-8:10 pm
3 stops29h 21m
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Wed 6/18
6:10 am-3:22 pm
2 stops34h 12m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 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*3 stars | |
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.
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).
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$107 | Average$167 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$113 | Average$207 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$196 | Average$354 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$257 | Average$444 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$306 | Average$441 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$326 | Average$449 | FlexibilityNo cancel fee | On-time63% |