Cheap flights from St. Louis (STL) to Reagan-National (DCA)

STL — DCA
Oct 11 — Oct 181

How to find the cheapest flight from St. Louis (STL) to Reagan-National (DCA)

All the information you need to plan the best STL to DCA flight in 2022: compare St. Louis to Reagan-National flight prices with the expected peak season, weather and rainfall in Reagan-National.

STL - DCA

Price

$213 - $383

DCA

Temperature

35.6 - 80.6 °F

DCA

Rainfall

2.6 - 4 inches

Popular inJuneHigh demand for flights, 21% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 29% potential price drop
Round-trip from$213From Lambert-St Louis to Washington, D.C. Reagan-National
One-way from$151One-way flight from Lambert-St Louis to Washington, D.C. Reagan-National

Cheap Frontier flights from St. Louis to Reagan-National

Oct 29 - Nov 5
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

8h 55m
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

9h 23m
$159

Frontier

Pick Dates

Deal found 10/4/22

Oct 25 - Oct 29
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

23h 27m
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

17h 18m
$164

Frontier

Pick Dates

Deal found 10/4/22

Oct 31 - Nov 8
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

8h 36m
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

19h 15m
$166

Frontier

Pick Dates

Deal found 10/5/22

Cheap American Airlines flights from St. Louis to Reagan-National

Dec 7 - Dec 8
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

Nonstop

2h 06m
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

Nonstop

2h 43m
$118

American Airlines

Pick Dates

Deal found 10/4/22

Dec 7 - Dec 8
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

6h 28m
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

Nonstop

2h 43m
$145

American Airlines

Pick Dates

Deal found 10/4/22

Nov 9 - Nov 9
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

Nonstop

2h 02m
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

13h 04m
$147

American Airlines

Pick Dates

Deal found 10/4/22

Alternative routes for St. Louis to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from St. Louis to Reagan-National

The chart below displays the airlines Cheapflights users traveling from St. Louis to Reagan-National choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$16Average$24FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
United AirlinesCheapest$152Average$392FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$157Average$327FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$174Average$316FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights

Hourly flight availability from St. Louis to Reagan-National

See what time of day planes typically take off from St. Louis to Reagan-National
9%of flight departuresEarly morningMidnight to 6 am
38%of flight departuresMorning6 am to noon
40%of flight departuresAfternoonNoon to 6 pm
13%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from St. Louis to Reagan-National

See how many times per day planes take to the skies headed from St. Louis to Reagan-National
Sunday0daily flights
Monday10daily flights
Tuesday9daily flights
Wednesday9daily flights
Thursday7daily flights
Friday7daily flights
Saturday0daily flights