Flights from St. Louis, MO to Washington, D.C. Reagan-National Airport (DCA)

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

STL - DCA Price	$213 - $383
DCA Temperature	35.6 - 80.6 °F
DCA Rainfall	2.6 - 4 inches

STL - DCA

Price

$213 - $383

DCA

Temperature

35.6 - 80.6 °F

DCA

Rainfall

2.6 - 4 inches

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

Related info for your journey

Alternative routes for St. Louis to Reagan-National

Kansas City to Reagan-Nationalfrom $153 pp

St. Louis to Dulles Intlfrom $280 pp

Kansas City to Dulles Intlfrom $284 pp

Springfield to Reagan-Nationalfrom $429 pp

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

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Juneyao Airlines	Cheapest$16	Average$24	FlexibilityNo cancel fee	On-time66%	COVID-19 safety	Search Juneyao Airlines flights
United Airlines	Cheapest$152	Average$392	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
American Airlines	Cheapest$157	Average$327	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
Delta	Cheapest$174	Average$316	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights

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Hourly flight availability from St. Louis to Reagan-National

9%of flight departures	Early morningMidnight to 6 am
38%of flight departures	Morning6 am to noon
40%of flight departures	AfternoonNoon to 6 pm
13%of flight departures	Evening6 pm to midnight

Midnight

6 AM

Noon

6 PM

Weekly flight availability from St. Louis to Reagan-National

Sunday	0daily flights
Monday	10daily flights
Tuesday	9daily flights
Wednesday	9daily flights
Thursday	7daily flights
Friday	7daily flights
Saturday	0daily flights

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

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.

Cheap Frontier flights from St. Louis to Reagan-National

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

Related info for your journey

Useful info, stats and facts about St. Louis to Reagan-National flights.

Other flights from St. Louis

Other flights to Reagan-National

Flights to Reagan-National from St. Louis

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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.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2022

Hourly flight availability from St. Louis to Reagan-National

See what time of day planes typically take off from St. Louis to Reagan-National

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