Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $201 (CheapOair) |
One-way from | $90 (United Airlines) |
Popular in | March |
Cheapest in | August |
Average price | $343 |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreSt. Louis
BWI - STL
BWISTL
Baltimore/Washington
Mon 5/12
9:21 pm-12:06 am
1 stop27h 45m
Lambert-St Louis
Wed 5/14
5:45 pm-7:16 pm
1 stop24h 31m
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Sat 5/24
2:25 pm-8:00 pm
1 stop6h 35m
Lambert-St Louis
Wed 5/28
7:05 pm-10:05 pm
Nonstop2h 00m
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Fri 5/9
1:00 pm-9:59 am
1 stop21h 59m
Lambert-St Louis
Sat 5/10
8:15 pm-12:07 pm
1 stop14h 52m
BaltimoreSt. Louis
BWI - STL
BWISTL
Baltimore/Washington
Tue 7/8
1:52 pm-6:47 pm
1 stop5h 55m
Lambert-St Louis
Wed 7/9
6:04 pm-11:18 pm
1 stop4h 14m
Washington, D.C.St. Louis
IAD - STL
IADSTL
Washington, D.C. Dulles Intl
Mon 5/19
7:45 am-9:05 pm
1 stop14h 20m
Lambert-St Louis
Wed 5/21
5:45 pm-12:32 pm
1 stop17h 47m
Washington, D.C.St. Louis
IAD - STL
IADSTL
Washington, D.C. Dulles Intl
Mon 5/26
8:40 am-9:56 am
Nonstop2h 16m
Lambert-St Louis
Thu 5/29
5:00 am-11:55 am
1 stop5h 55m
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Sun 5/25
8:15 am-9:42 am
Nonstop2h 27m
Lambert-St Louis
Sat 5/31
5:12 am-11:00 am
1 stop4h 48m
BaltimoreSt. Louis
BWI - STL
BWISTL
Baltimore/Washington
Thu 6/19
2:08 pm-5:04 pm
1 stop3h 56m
Lambert-St Louis
Sun 6/22
6:12 pm-7:04 am
1 stop11h 52m
Washington, D.C.St. Louis
IAD - STL
IADSTL
Washington, D.C. Dulles Intl
Tue 5/27
10:09 am-4:35 pm
1 stop7h 26m
Lambert-St Louis
Thu 5/29
3:40 pm-9:34 pm
1 stop4h 54m
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Thu 5/29
1:53 pm-6:01 pm
1 stop5h 08m
Lambert-St Louis
Tue 6/3
6:45 am-11:31 am
1 stop3h 46m
Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to St. Charles. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to St. Charles (average of $311). Flying from Washington, D.C. to St. Charles 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to St. Charles as you normally would.
Travelers seeking maximum savings on their Washington, D.C. to St. Charles flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from WAS to CH5 are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).
In terms of precipitation, rainfall in St. Charles 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. Charles when rainfall is around 2.2 in.
If weather is an important factor for your trip to St. Charles, 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).
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Gina,Apr 2025
LAS - DEN
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Gina,Apr 2025
LAS - DEN
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Gina,Apr 2025
LAS - DEN
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Gina,Apr 2025
LAS - DEN
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Gina,Apr 2025
LAS - DEN
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Gina,Apr 2025
LAS - DEN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$108 | Average$215 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$168 | Average$451 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$176 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$197 | Average$354 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$223 | Average$453 | FlexibilityNo cancel fee | On-time69% |