Popular in | June |
---|---|
Cheapest in | December |
Round-trip from | $234 |
One-way from | $104 |
Flights from St. Louis to Washington, D.C. are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..
Travelers have found it’s best to book a flight 49 days in advance to save up to 220% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 49 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Washington, D.C. 1-2 weeks in advance for as low as $198, or $452 for flights within the next 24 hours.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, December can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from St. Louis in December are about $312 on average during December, but can be found for as low as $110.
It’s typically best to fly out from St. Louis to Washington, D.C. in the evening. Doing so could potentially save you 40% on the flight price compared to flying in the afternoon, which is usually more expensive.
If you’re traveling from St. Louis to Washington, D.C., one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $399.87 RT. This price is typically 45% more expensive than other airlines that offer St. Louis to Washington, D.C. flights. When booking this route, the cheapest RT price found was $200. The most popular departure airport in St. Louis when flying to Washington, D.C. is Lambert-St Louis Airport. The most popular airport to fly into when visiting Washington, D.C. is Washington, D.C. Dulles Intl Airport. When flying from St. Louis to Washington, D.C., United Airlines flights are 6% more popular than any other airline flying that same route.
One of the most popular airlines traveling from St. Louis to Washington, D.C. is Delta. Flights from Delta traveling this route typically cost $337.86 RT. This price is typically 52% cheaper than other airlines that offer St. Louis to Washington, D.C. flights. When booking this route, the cheapest RT price found was $193. Lambert-St Louis Airport is the most common St. Louis airport to take off from when flying to Washington, D.C.. Washington, D.C. Dulles Intl Airport is the most popular arrival airport in Washington, D.C.. When flying from St. Louis to Washington, D.C., Delta flights are 4% more popular than any other airline flying that same route.
Fly from
Fly to
Budget
$94 - $215
Route
Depart
Return
Price
Lambert-St LouisBaltimore/Washington
STL - BWI
STLBWI
Lambert-St Louis
Tue 4/23
1 stop17h 39m
Baltimore/Washington
Tue 4/30
1 stop24h 36m
Lambert-St LouisBaltimore/Washington
STL - BWI
STLBWI
Lambert-St Louis
Tue 4/16
1 stop18h 40m
Baltimore/Washington
Tue 4/23
1 stop24h 36m
Lambert-St LouisBaltimore/Washington
STL - BWI
STLBWI
Lambert-St Louis
Tue 4/23
2 stops21h 26m
Baltimore/Washington
Tue 4/30
1 stop24h 36m
Lambert-St LouisBaltimore/Washington
STL - BWI
STLBWI
Lambert-St Louis
Tue 4/16
2 stops21h 26m
Baltimore/Washington
Tue 4/23
1 stop24h 36m
Lambert-St LouisWashington, D.C. Reagan-National
STL - DCA
STLDCA
Lambert-St Louis
Wed 4/17
Nonstop2h 01m
Washington, D.C. Reagan-National
Wed 4/24
Nonstop2h 25m
Lambert-St LouisBaltimore/Washington
STL - BWI
STLBWI
Lambert-St Louis
Sat 4/6
1 stop11h 26m
Baltimore/Washington
Mon 4/8
1 stop17h 37m
Lambert-St LouisWashington, D.C. Dulles Intl
STL - IAD
STLIAD
Lambert-St Louis
Sat 4/27
1 stop5h 42m
Washington, D.C. Dulles Intl
Wed 5/1
1 stop5h 52m
Lambert-St LouisWashington, D.C. Dulles Intl
STL - IAD
STLIAD
Lambert-St Louis
Sat 4/13
1 stop5h 10m
Washington, D.C. Dulles Intl
Thu 4/18
Nonstop2h 27m
Lambert-St LouisBaltimore/Washington
STL - BWI
STLBWI
Lambert-St Louis
Sat 4/6
1 stop11h 26m
Baltimore/Washington
Mon 4/8
2 stops11h 19m
Currently, September is the cheapest month in which you can book a flight from St. Louis to Washington, D.C. (average of $282). Flying from St. Louis to Washington, D.C. in June is currently the most expensive (average of $407). 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.
January
$308
February
$303
March
$354
April
$345
May
$345
June
$407
July
$379
August
$298
September
$282
October
$306
November
$326
December
$289
WAS Temperature | 35.6 - 80.6 °F |
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Crew
Entertainment
Comfort
Food
Overall
Boarding
Reviews
No tray tables for food or drink not convenient nor comfortable
Crew
Entertainment
Comfort
Food
Overall
Boarding
Reviews
No tray tables for food or drink not convenient nor comfortable
Crew
Entertainment
Comfort
Food
Overall
Boarding
Reviews
No tray tables for food or drink not convenient nor comfortable
Crew
Entertainment
Comfort
Food
Overall
Boarding
Reviews
No tray tables for food or drink not convenient nor comfortable
Crew
Entertainment
Comfort
Food
Overall
Boarding
Reviews
No tray tables for food or drink not convenient nor comfortable
Crew
Entertainment
Comfort
Food
Overall
Boarding
Reviews
No tray tables for food or drink not convenient nor comfortable
11%of flight departures | Early morningMidnight to 6 am |
---|---|
35%of flight departures | Morning6 am to noon |
43%of flight departures | AfternoonNoon to 6 pm |
11%of flight departures | Evening6 pm to midnight |
Sunday | 10daily flights |
---|---|
Monday | 13daily flights |
Tuesday | 12daily flights |
Wednesday | 13daily flights |
Thursday | 12daily flights |
Friday | 13daily flights |
Saturday | 10daily flights |
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