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

DCA — STL
Dec 12 — Dec 191

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

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

DCA - STL

Price

$242 - $431

STL

Temperature

32 - 80.6 °F

STL

Rainfall

2.2 - 4.7 inches

Popular inNovemberHigh demand for flights, 19% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 30% potential price drop
Round-trip from$242From Washington, D.C. Reagan-National to Lambert-St Louis
One-way from$204One-way flight from Washington, D.C. Reagan-National to Lambert-St Louis

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to St. Louis?

To save on the cost of your flight from Washington, D.C. Reagan-National Airport to St. Louis, book at least 29 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $355 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $403.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to St. Louis?

January can be a great time to fly to St. Louis from Washington, D.C. Reagan-National Airport with a flight ticket averaging about $338. Cheapflights users have found deals in the month of January for as cheap as $157. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Washington, D.C. Reagan-National Airport to St. Louis (DCA - STL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to St. Louis as you normally would.

Cheap flights from Reagan-National to St. Louis in December, January 2022

The best prices found for DCA to STL flights for December, January
Dec 10 - Dec 12
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

9h 22m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

8h 00m
$160

Frontier

Pick Dates

Deal found 12/6

Dec 7 - Dec 9
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

20h 52m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

8h 00m
$165

Frontier

Pick Dates

Deal found 12/5

Dec 7 - Dec 11
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

20h 52m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

21h 00m
$168

Frontier

Pick Dates

Deal found 12/4

Reagan-National to St. Louis 2022 flight deals

Cheap flights to St. Louis from Reagan-National found for this year
Dec 10 - Dec 12
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

9h 22m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

8h 00m
$160

Frontier

Pick Dates

Deal found 12/6

Dec 7 - Dec 9
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

20h 52m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

8h 00m
$165

Frontier

Pick Dates

Deal found 12/5

Dec 10 - Dec 15
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

9h 22m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

21h 00m
$168

Frontier

Pick Dates

Deal found 12/4

Cheap Frontier flights from Reagan-National to St. Louis

Dec 15 - Dec 16
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

7h 52m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

8h 00m
$160

Frontier

Pick Dates

Deal found 12/5

Jan 20 - Jan 23
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

20h 26m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

21h 12m
$165

Frontier

Pick Dates

Deal found 12/5

Apr 5 - Apr 11
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

8h 12m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

14h 52m
$167

Frontier

Pick Dates

Deal found 12/7

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

Jan 4 - Jan 11
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

Nonstop

2h 39m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

Nonstop

2h 11m
$206

American Airlines

Pick Dates

Deal found 12/5

Dec 26 - Jan 2
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

Nonstop

2h 32m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

6h 32m
$213

American Airlines

Pick Dates

Deal found 12/4

Jan 14 - Jan 15
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

Nonstop

2h 46m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

5h 52m
$215

American Airlines

Pick Dates

Deal found 12/5

Non-stop flights to St. Louis from Reagan-National

Save time with Reagan-National to St. Louis direct flight deals
Jan 4 - Jan 11
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

Nonstop

2h 39m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

Nonstop

2h 11m
$206

American Airlines

Pick Dates

Deal found 12/5

Dec 21 - Jan 3
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

Nonstop

2h 31m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

Nonstop

2h 04m
$213

American Airlines

Pick Dates

Deal found 12/4

Dec 19 - Dec 22
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

Nonstop

2h 32m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

Nonstop

2h 04m
$220

American Airlines

Pick Dates

Deal found 12/4

Last minute flights from Reagan-National to St. Louis

Late deals on return flights to St. Louis from Reagan-National, departing today and this week
Dec 15 - Dec 16
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

7h 52m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

8h 00m
$160

Frontier

Pick Dates

Deal found 12/5

Dec 15 - Dec 19
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

7h 52m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

8h 00m
$180

Frontier

Pick Dates

Deal found 12/6

Dec 13 - Jan 5
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

18h 50m
STL

Lambert-St Louis

DCA

Washington, D.C. Reagan-National

1 stop

20h 57m
$185

Frontier

Pick Dates

Deal found 12/6

One-way flights to St. Louis from Reagan-National

The cheapest one-way flights from Reagan-National to St. Louis
Dec 15
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

7h 52m
$81

Frontier

Pick Dates

Deal found 12/5

Jan 14
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

20h 07m
$86

Frontier

Pick Dates

Deal found 12/4

Jan 20
DCA

Washington, D.C. Reagan-National

STL

Lambert-St Louis

1 stop

20h 26m
$87

Frontier

Pick Dates

Deal found 12/7

Related info for your journey

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

What airport do you fly into for flights to St. Louis from Washington, D.C. Reagan-National?

Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to St. Louis. You should not have trouble finding flights to Lambert-St Louis from Washington, D.C. Reagan-National; the airport handles an average of 5 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the St. Louis airport from Washington, D.C. Reagan-National. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

Which airlines flying from Washington, D.C. Reagan-National to Lambert-St Louis have flexible cancellations due to COVID-19?

American Airlines, Southwest, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Washington, D.C. Reagan-National Airport to St. Louis for under $200 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. Reagan-National Airport to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $165, but on average you can expect to pay $207.

Are there nonstop flights from Washington, D.C. Reagan-National Airport to St. Louis for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington, D.C. Reagan-National Airport to St. Louis under $300. A good price for a nonstop flight from Washington, D.C. Reagan-National Airport to St. Louis is less than $280.

Are there last-minute flights available from Washington, D.C. Reagan-National Airport to St. Louis for under $200?

There are currently 20+ open flights from Washington, D.C. Reagan-National Airport to St. Louis within the next 7 days for less than $200.

What days are nonstop flights available from Washington, D.C. Reagan-National Airport to St. Louis?

Days when nonstop flights are available for this flight are: Thursday, Friday, Saturday.

How many flights depart from Washington, D.C. Reagan-National Airport to St. Louis on average per day?

Per day, 5 flights depart from Washington, D.C. Reagan-National Airport to St. Louis on average.
Morning (6am - Noon) - 60% of flight departures
Afternoon (Noon - 6pm) - 20% of flight departures
Evening (6pm - Midnight) - 20% of flight departures

How long is the flight from Washington, D.C. Reagan-National Airport to St. Louis?

For as low as $165, Frontier can have you in St. Louis from Washington, D.C. Reagan-National Airport in 2h 39m. The distance between Washington, D.C. Reagan-National Airport and St. Louis is about 721 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to St. Louis round-trip?

According to our current data, Frontier ($165), and American Airlines ($206) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to St. Louis. Frontier is 52% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to St. Louis one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $81. American Airlines flights start at $110 while deals on Delta start at $222 one-way.

What are the most popular airlines that fly from Washington, D.C. Reagan-National Airport to St. Louis?

Before booking your flight from Washington, D.C. Reagan-National Airport to St. Louis check out the most popular airlines for this route: American Airlines, Delta or Juneyao Airlines.

What are the most reliable airlines from Washington, D.C. Reagan-National Airport to St. Louis?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Reagan-National Airport to St. Louis on time: Republic Airways (92%), American Airlines (92%), PSA Airlines (92%).

What are the cheapest flights from Washington, D.C. Reagan-National Airport to St. Louis?

Looking at all options, your cheapest flight can be booked for $132. While the most popular route (Washington, D.C. Reagan-National - Lambert-St Louis) can be booked for $165 on average our data indicates $310 when flying from Washington, D.C. Reagan-National Airport to St. Louis.

Alternative routes for Reagan-National to St. Louis

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

Top 2 airlines flying from Reagan-National to St. Louis

The chart below displays the airlines Cheapflights users traveling from Reagan-National to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapest$167Average$367FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$201Average$387FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights

Hourly flight availability from Reagan-National to St. Louis

See what time of day planes typically take off from Reagan-National to St. Louis
13%of flight departuresEarly morningMidnight to 6 am
41%of flight departuresMorning6 am to noon
28%of flight departuresAfternoonNoon to 6 pm
18%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Reagan-National to St. Louis

See how many times per day planes take to the skies headed from Reagan-National to St. Louis
Sunday1daily flight
Monday7daily flights
Tuesday7daily flights
Wednesday7daily flights
Thursday7daily flights
Friday6daily flights
Saturday0daily flights