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

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The best prices from Reagan National to Lambert-St Louis Intl are usually found in July or June, booked 58 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

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

DCA - STL
Price
$179 - $382
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

December

High demand for flights, 22% potential price rise

Cheapest in

July

Best time to find cheap flights, 40% potential price drop

Round-trip from

$179

From Reagan National to Lambert-St Louis Intl

One-way from

$93

One-way flight from Reagan National to Lambert-St Louis Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Reagan National to Lambert-St Louis Intl?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 21%.

How far in advance should I book a flight from Reagan National to Lambert-St Louis Intl?

To save on the cost of your flight from Reagan National to Lambert-St Louis Intl, book at least 61 days before your planned departure. Booking around this time can save you about 33% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $143 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $179.

What is the cheapest month to fly from Reagan National to Lambert-St Louis Intl?

June can be a great time to fly to Lambert-St Louis Intl from Reagan National with a flight ticket averaging about $148. Cheapflights users have found deals in the month of June for as cheap as $77. The most expensive prices can be found in the month of July.

When is the cheapest time to fly from Reagan National to Lambert-St Louis Intl (DCA - STL)?

It’s optimal to fly from Reagan National to Lambert-St Louis Intl in the morning. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight at noon.

Cheap flights from Reagan National to Lambert-St Louis Intl in February, March 2021

30 Mar - 8 Apr
$88pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
DCA
Washington Reagan-National
16 Mar - 22 Mar
$126pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
DCA
Washington Reagan-National
9 Mar - 12 Mar
$136pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
DCA
Washington Reagan-National

Reagan National to Lambert-St Louis Intl 2021 flight deals

4 Apr - 10 Apr
$88pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
DCA
Washington Reagan-National
2 Apr - 11 Apr
$113pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
DCA
Washington Reagan-National
16 Mar - 22 Mar
$126pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
DCA
Washington Reagan-National

Non-stop flights to Lambert-St Louis Intl from Reagan National

7 Apr - 14 Apr
$167pp
DCA
Washington Reagan-National
American Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
Non-Stop
DCA
Washington Reagan-National
16 Apr - 28 Apr
$187pp
DCA
Washington Reagan-National
American Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
Non-Stop
DCA
Washington Reagan-National
2 Apr - 11 Apr
$207pp
DCA
Washington Reagan-National
American Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
Non-Stop
DCA
Washington Reagan-National

Last minute flights from Reagan National to Lambert-St Louis Intl

2 Mar - 10 Mar
$126pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
DCA
Washington Reagan-National
4 Mar - 12 Mar
$165pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
DCA
Washington Reagan-National
4 Mar - 8 Mar
$175pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
DCA
Washington Reagan-National

One-way flights to Lambert-St Louis Intl from Reagan National

2:05 am - 5:49 am
Delta
1 Stop
4h 44m
DCA - STL
Delta
$93
Delta
11:45 am - 4:22 pm
United Airlines
1 Stop
5h 37m
DCA - STL
United Airlines
$113
United
12:44 pm - 8:36 am
Frontier
1 Stop
20h 52m
DCA - STL
Frontier
$201
CheapFlights

Related info for your journey

Flight FAQs

From Reagan National to Lambert-St Louis Intl

Are flight prices decreasing from Reagan National to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Reagan National and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Washington Reagan-National to Lambert-St Louis to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Washington Reagan-National to Lambert-St Louis are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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

Some of the carriers operating flights from Washington Reagan-National to Lambert-St Louis that may be offering flexible cancellation policies are American Airlines, Delta, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Reagan National to Lambert-St Louis Intl for under $100 on Cheapflights?

Yes, there are multiple flights from Reagan National to Lambert-St Louis Intl for under $100. The cheapest flight booked recently is on Frontier for just $88, but on average you can expect to pay $148.

Are there nonstop flights from Reagan National to Lambert-St Louis Intl for under $200 on Cheapflights?

Cheapflights has at least 6 direct flights from Reagan National to Lambert-St Louis Intl under $200. A good price for a nonstop flight from Reagan National to Lambert-St Louis Intl is less than $217.

Are there last-minute flights available from Reagan National to Lambert-St Louis Intl for under $200?

There are currently 17+ open flights from Reagan National to Lambert-St Louis Intl within the next 7 days for less than $200.

What days are nonstop flights available from Reagan National to St Louis?

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

Does it rain more in Reagan National or St Louis?

In Reagan National, there will be same rainfall in Reagan National compared to St Louis over the next 13 days.

Is Reagan National weather warmer or cooler than St Louis?

Expect the weather to be around 90 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in St Louis is generally the same as in Reagan National.

How long is the flight from Reagan National to Lambert-St Louis Intl?

For as low as $209, American Airlines can have you in Lambert-St Louis Intl from Reagan National in 2h 19m. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Reagan National to Lambert-St Louis Intl round-trip?

According to our current data, Frontier ($88), and American Airlines ($167) offers the cheapest pricing from Reagan National to Lambert-St Louis Intl. These flights start at 70% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Reagan National to Lambert-St Louis Intl one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $50. Users have also found prices from $84 and $93 on Frontier and American Airlines, respectively.

Alternative routes for Reagan National to Lambert-St Louis Intl

Destination information for Lambert-St Louis Intl

Flight duration
2h 14m
Average temperature for February in Lambert-St Louis Intl
48.2 °F
Avg rainfall for February in Lambert-St Louis Intl
2.2 ″

Airports servicing Washington

Airports servicing St. Louis

Top 5 airlines flying from Reagan National to Lambert-St Louis Intl

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$153 $275 No cancel fee 62%
United Airlines
$155 $293 No cancel fee 69%
Delta
$155 $310 No cancel fee N/A
American Airlines
$209 $404 No cancel fee 71%
Southwest
$208 $452 No cancel fee 63%

Hourly flight availability from Reagan National to Lambert-St Louis Intl

Morning 6 AM to noon 100% of DCA to STL departures
Early morning Midnight to 6 AM 0% of DCA to STL departures
Afternoon Noon to 6 PM 0% of DCA to STL departures
Evening 6 PM to midnight 0% of DCA to STL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Reagan National to Lambert-St Louis Intl
Sunday
1 daily flight
Monday
1 daily flight
Tuesday
1 daily flight
Wednesday
1 daily flight
Thursday
1 daily flight
Friday
1 daily flight
Saturday
0 flights
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