Flights from Reagan to St Louis

DCASTL

Ronald Reagan Washington National Airport (Washington, United States) → St. Louis Lambert International Airport (St Louis, United States)

Also known as St Louis.

Nonstop
2h 25m
Distance
1,154 km
Frequency
7×/week
One-way from
$123
Airlines
American Airlines, Southwest Airlines
Book on Aviasales

Fares by month

One-way, per person

Lowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.

Weekly schedule

Monday

  • AA445808:20→10:042h 44mAmerican Airlines
  • WN28708:25→09:552h 30mSouthwest Airlines
  • WN496212:00→13:252h 25mSouthwest Airlines
  • AA476913:44→15:212h 37mAmerican Airlines
  • WN75414:40→16:052h 25mSouthwest Airlines
  • WN154818:55→20:252h 30mSouthwest Airlines
  • AA466420:03→21:382h 35mAmerican Airlines

Tuesday

  • AA445808:19→10:032h 44mAmerican Airlines
  • WN272908:25→09:552h 30mSouthwest Airlines
  • WN496212:15→13:402h 25mSouthwest Airlines
  • AA476913:44→15:212h 37mAmerican Airlines
  • WN75414:40→16:052h 25mSouthwest Airlines
  • WN154818:55→20:252h 30mSouthwest Airlines
  • AA466420:03→21:382h 35mAmerican Airlines

Wednesday

  • AA445808:20→10:042h 44mAmerican Airlines
  • WN272908:25→09:552h 30mSouthwest Airlines
  • WN496212:15→13:402h 25mSouthwest Airlines
  • AA476913:44→15:212h 37mAmerican Airlines
  • WN75414:40→16:052h 25mSouthwest Airlines
  • WN154818:55→20:302h 35mSouthwest Airlines
  • AA466420:03→21:382h 35mAmerican Airlines

Thursday

  • AA445808:20→10:042h 44mAmerican Airlines
  • WN28708:25→09:552h 30mSouthwest Airlines
  • WN496212:00→13:252h 25mSouthwest Airlines
  • AA476913:44→15:212h 37mAmerican Airlines
  • WN75414:40→16:052h 25mSouthwest Airlines
  • WN154818:55→20:252h 30mSouthwest Airlines
  • AA466420:03→21:382h 35mAmerican Airlines

Friday

  • AA445808:11→09:552h 44mAmerican Airlines
  • WN28708:25→09:552h 30mSouthwest Airlines
  • WN496212:00→13:252h 25mSouthwest Airlines
  • WN75414:40→16:052h 25mSouthwest Airlines
  • WN154818:55→20:252h 30mSouthwest Airlines
  • AA466420:03→21:472h 44mAmerican Airlines

Saturday

  • AA445808:24→09:592h 35mAmerican Airlines
  • WN496212:15→13:402h 25mSouthwest Airlines
  • AA441018:00→19:372h 37mAmerican Airlines
  • WN154818:25→19:552h 30mSouthwest Airlines

Sunday

  • AA445808:11→09:552h 44mAmerican Airlines
  • WN28708:25→09:552h 30mSouthwest Airlines
  • WN496212:00→13:252h 25mSouthwest Airlines
  • AA518313:44→15:182h 34mAmerican Airlines
  • WN75414:40→16:052h 25mSouthwest Airlines
  • WN154818:55→20:252h 30mSouthwest Airlines
  • AA466420:03→21:382h 35mAmerican Airlines

Reagan to St Louis — frequently asked

How long is the flight from Reagan to St Louis?
DCA–STL is 2h 25m nonstop, covering 1,154 km (717 mi).
Which airlines fly nonstop from Reagan to St Louis?
American Airlines, Southwest Airlines operate this route nonstop.
How much is a flight from Reagan to St Louis?
One-way fares on DCA–STL recently started from $123. The lowest recent fare is for travel in January 2027. Fares change daily, so check current prices before booking.
How often do flights run from Reagan to St Louis?
The route is served 7 days a week (45 scheduled departures).