St. Louis (STL) to Washington DC (DCA) Flights from ₹14,651
Fares on this route currently start from ₹14,651. Compare live STL to DCA prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
STL → DCAApprox. 1154.38 km04 Jun 2026Live inventory
✈ Flight Search
Modify your route
From
To
Depart
Return
Adults
Children
Infants
Cabin
Trip Type
STL→DCA
Sort By
💰 Cheapest
⚡ Fastest
🕐 Earliest
🎚️ Filters
Stops Reset
0
0
0
Max Price Reset
Up to ₹5,00,000
Departure Time Reset
🌙 Night 12am–6am
🌅 Morning 6am–12pm
☀️ Afternoon 12pm–6pm
🌆 Evening 6pm–12am
Fare Type
Airlines All
Loading…
Select Fare
—
—
per person · incl. taxes
Stops Reset
0
0
0
Max Price Reset
Up to ₹5,00,000
Departure Time Reset
🌙 Night 12am–6am
🌅 Morning 6am–12pm
☀️ Afternoon 12pm–6pm
🌆 Evening 6pm–12am
Fare Type
Airlines All
Loading…
Showing 25
of 94
live flights
Southwest Airlines
WN-3905
08:30
06/04/2026
STL
St Louis Lambert International Airport
2h 55m
Non-stop
11:25
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹14,651
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2084
13:20
06/04/2026
STL
St Louis Lambert International Airport
3h 0m
Non-stop
16:20
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹14,651
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-3907
15:15
06/04/2026
STL
St Louis Lambert International Airport
3h 0m
Non-stop
18:15
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹14,651
per person
✕ Non-refundable🔥 Last 2 seats9 fare options
Southwest Airlines
WN-3908
19:55
06/04/2026
STL
St Louis Lambert International Airport
3h 0m
Non-stop
22:55
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹14,651
per person
✕ Non-refundable9 fare options
American Airlines
AA-858
05:14
06/04/2026
STL
St Louis Lambert International Airport
5h 36m
1 Stop
⏱ CLT · 1h 13mCLT Airport
10:50
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹14,745
per person
✓ Refundable14 fare options
American Airlines
AA-1926
06:00
06/04/2026
STL
St Louis Lambert International Airport
6h 59m
1 Stop
⏱ ORD · 2h 30mORD Airport
12:59
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹14,745
per person
✓ Refundable6 fare options
Southwest Airlines
WN-3944
16:45
06/04/2026
STL
St Louis Lambert International Airport
5h 10m
1 Stop
⏱ MCI · 0h 40mMCI Airport
21:55
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹16,632
per person
✓ Refundable4 fare options
Southwest Airlines
WN-3888
14:30
06/04/2026
STL
St Louis Lambert International Airport
5h 25m
1 Stop
⏱ BNA · 1h 30mBNA Airport
19:55
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹16,632
per person
✓ Refundable4 fare options
Southwest Airlines
WN-694
17:35
06/04/2026
STL
St Louis Lambert International Airport
5h 40m
1 Stop
⏱ BNA · 1h 45mBNA Airport
23:15
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹16,632
per person
✓ Refundable🔥 Last 2 seats4 fare options
Southwest Airlines
WN-1008
05:40
06/04/2026
STL
St Louis Lambert International Airport
5h 35m
1 Stop
⏱ MDW · 1h 35mMDW Airport
11:15
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹16,632
per person
✓ Refundable4 fare options
Southwest Airlines
WN-3882
16:25
06/04/2026
STL
St Louis Lambert International Airport
6h 20m
1 Stop
⏱ ATL · 1h 50mATL Airport
22:45
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹16,632
per person
✓ Refundable4 fare options
Southwest Airlines
WN-236
10:00
06/04/2026
STL
St Louis Lambert International Airport
8h 25m
1 Stop
⏱ ATL · 3h 50mATL Airport
18:25
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹16,632
per person
✓ Refundable4 fare options
Southwest Airlines
WN-3957
21:55
06/04/2026
STL
St Louis Lambert International Airport
10h 50m
1 Stop
⏱ MDW · 7h 0mMDW Airport
08:45
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹17,163
per person
✓ Refundable4 fare options
Delta Air Lines
DL-1536
07:05
06/04/2026
STL
St Louis Lambert International Airport
5h 48m
1 Stop
⏱ ATL · 1h 26mATL Airport
12:53
06/04/2026
BWI
Ronald Reagan Washington National Airport
₹17,964
per person
✕ Non-refundable4 fare options
American Airlines
AA-4669
06:00
06/04/2026
STL
St Louis Lambert International Airport
6h 38m
1 Stop
⏱ LGA · 1h 31mLGA Airport
12:38
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹18,068
per person
✓ Refundable14 fare options
American Airlines
AA-1926
06:00
06/04/2026
STL
St Louis Lambert International Airport
7h 54m
1 Stop
⏱ ORD · 3h 15mORD Airport
13:54
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹18,068
per person
✓ Refundable6 fare options
American Airlines
AA-2324
07:03
06/04/2026
STL
St Louis Lambert International Airport
5h 56m
1 Stop
⏱ ORD · 1h 30mORD Airport
12:59
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹18,068
per person
✓ Refundable6 fare options
American Airlines
AA-2731
18:13
06/04/2026
STL
St Louis Lambert International Airport
6h 0m
1 Stop
⏱ CLT · 1h 33mCLT Airport
00:13
06/05/2026
+1
IAD
Ronald Reagan Washington National Airport
₹18,437
per person
✕ Non-refundable9 fare options
United Airlines
UA-4423
07:22
06/04/2026
STL
St Louis Lambert International Airport
5h 42m
1 Stop
⏱ ORD · 1h 0mORD Airport
13:04
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹18,437
per person
✕ Non-refundable🔥 Last 2 seats5 fare options
United Airlines
UA-1008
06:00
06/04/2026
STL
St Louis Lambert International Airport
5h 59m
1 Stop
⏱ ORD · 1h 30mORD Airport
11:59
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹18,437
per person
✕ Non-refundable5 fare options
United Airlines
UA-2104
06:00
06/04/2026
STL
St Louis Lambert International Airport
6h 23m
1 Stop
⏱ EWR · 1h 31mEWR Airport
12:23
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹18,437
per person
✕ Non-refundable🔥 Last 5 seats5 fare options
American Airlines
AA-4669
06:00
06/04/2026
STL
St Louis Lambert International Airport
8h 57m
1 Stop
⏱ LGA · 4h 0mLGA Airport
14:57
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹18,437
per person
✕ Non-refundable🔥 Last 4 seats9 fare options
United Airlines
UA-4423
07:22
06/04/2026
STL
St Louis Lambert International Airport
8h 30m
1 Stop
⏱ ORD · 3h 45mORD Airport
15:52
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹18,543
per person
✓ Refundable🔥 Last 3 seats2 fare options
United Airlines
UA-4423
07:22
06/04/2026
STL
St Louis Lambert International Airport
7h 0m
1 Stop
⏱ ORD · 2h 15mORD Airport
14:22
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹18,543
per person
✓ Refundable🔥 Last 3 seats2 fare options
United Airlines
UA-2104
06:00
06/04/2026
STL
St Louis Lambert International Airport
8h 23m
1 Stop
⏱ EWR · 3h 31mEWR Airport
14:23
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹18,543
per person
✕ Non-refundable🔥 Last 5 seats2 fare options
😕 No flights match your filters.
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003
Washington DC (DCA)
📍 Ronald Reagan Washington National Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 38.8521
📐 Longitude: -77.037697
✈ Distance: St. Louis,USA to Washington DC,USA — 1154.38 km
📅 Results on this page are loaded for 04 Jun 2026. Click View all flights for the complete live search.
St. Louis to Washington DC — what to expect when booking
The STL–DCA route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
The distance between St. Louis,USA and Washington DC,USA is approximately
1154.38 km.
Before you book
Compare nearby dates
The date strip above lets you scan nearby fares without restarting the search.
Open full search for more control
Route page shows a limited live set. Full search opens the complete inventory with fresh results.
Check fare details
Each result shows baggage, refundability and fare details before you proceed.
❓ Frequently asked questions — St. Louis to Washington DC flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between St. Louis,USA (STL) and Washington DC,USA (DCA) is approximately 1154.38 km. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.