✦ Smart route search
Fares from St. Louis to Washington DC
Compare live prices for STL to DCA on Tue, 14 Apr 2026. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
STL → DCA Approx. 1154.38 km 14 Apr 2026 Live 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
Showing 25 of 116 live flights
American Airlines
AA-5411
06:00
04/14/2026
STL
3h 15m
Non-stop
09:15
04/14/2026
DCA
₹13,750
per person
✕ Non-refundable🔥 Last 1 seats16 fare options
American Airlines
AA-5541
15:43
04/14/2026
STL
3h 15m
Non-stop
18:58
04/14/2026
DCA
₹13,750
per person
✕ Non-refundable🔥 Last 1 seats16 fare options
Southwest Airlines
WN-4450
08:05
04/14/2026
STL
3h 0m
Non-stop
11:05
04/14/2026
DCA
₹14,643
per person
✕ Non-refundable11 fare options
Southwest Airlines
WN-4451
13:10
04/14/2026
STL
3h 0m
Non-stop
16:10
04/14/2026
DCA
₹14,643
per person
✕ Non-refundable11 fare options
Southwest Airlines
WN-1370
15:40
04/14/2026
STL
3h 0m
Non-stop
18:40
04/14/2026
DCA
₹14,643
per person
✕ Non-refundable11 fare options
Southwest Airlines
WN-2242
19:55
04/14/2026
STL
3h 5m
Non-stop
23:00
04/14/2026
DCA
₹14,643
per person
✕ Non-refundable11 fare options
Delta Air Lines
DL-2821
17:59
04/14/2026
STL
4h 51m
1 Stop
⏱ DTW · 0h 54m
22:50
04/14/2026
DCA
₹14,654
per person
✕ Non-refundable8 fare options
Delta Air Lines
DL-1536
07:25
04/14/2026
STL
5h 15m
1 Stop
⏱ ATL · 0h 56m
12:40
04/14/2026
DCA
₹14,654
per person
✕ Non-refundable8 fare options
Delta Air Lines
DL-2821
17:59
04/14/2026
STL
5h 4m
1 Stop
⏱ DTW · 1h 2m
23:03
04/14/2026
IAD
₹14,654
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-2868
10:50
04/14/2026
STL
5h 25m
1 Stop
⏱ DTW · 1h 30m
16:15
04/14/2026
IAD
₹14,654
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-566
13:02
04/14/2026
STL
5h 17m
1 Stop
⏱ ATL · 1h 2m
18:19
04/14/2026
IAD
₹14,654
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-1524
06:00
04/14/2026
STL
5h 46m
1 Stop
⏱ ATL · 1h 24m
11:46
04/14/2026
IAD
₹14,654
per person
✕ Non-refundable4 fare options
American Airlines
AA-2943
17:53
04/14/2026
STL
5h 19m
1 Stop
⏱ CLT · 0h 37m
23:12
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats11 fare options
American Airlines
AA-2444
07:05
04/14/2026
STL
5h 50m
1 Stop
⏱ ORD · 1h 19m
12:55
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats10 fare options
American Airlines
AA-418
17:21
04/14/2026
STL
5h 38m
1 Stop
⏱ ORD · 0h 50m
22:59
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
American Airlines
AA-4521
15:42
04/14/2026
STL
6h 18m
1 Stop
⏱ LGA · 0h 55m
22:00
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
American Airlines
AA-6399
16:30
04/14/2026
STL
6h 29m
1 Stop
⏱ ORD · 1h 35m
22:59
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
American Airlines
AA-418
17:21
04/14/2026
STL
6h 36m
1 Stop
⏱ ORD · 2h 6m
23:57
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
American Airlines
AA-1926
12:27
04/14/2026
STL
6h 38m
1 Stop
⏱ ORD · 2h 9m
19:05
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
American Airlines
AA-4524
11:25
04/14/2026
STL
6h 44m
1 Stop
⏱ LGA · 1h 31m
18:09
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
American Airlines
AA-3130
12:59
04/14/2026
STL
7h 3m
1 Stop
⏱ PHL · 2h 17m
20:02
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats6 fare options
American Airlines
AA-3128
05:51
04/14/2026
STL
7h 4m
1 Stop
⏱ ORD · 2h 34m
12:55
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
American Airlines
AA-858
07:00
04/14/2026
STL
7h 8m
1 Stop
⏱ CLT · 2h 29m
14:08
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
American Airlines
AA-4368
06:35
04/14/2026
STL
7h 10m
1 Stop
⏱ LGA · 2h 1m
13:45
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
American Airlines
AA-6399
16:30
04/14/2026
STL
7h 27m
1 Stop
⏱ ORD · 2h 51m
23:57
04/14/2026
DCA
₹14,664
per person
✕ Non-refundable🔥 Last 1 seats5 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,USA1154.38 km

📅 Results on this page are loaded for 14 Apr 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.

More flights from St. Louis (STL)
54 routes
St. Louis Atlanta
STL → ATL
St. Louis Boston
STL → BOS
St. Louis Burlington IA
STL → BRL
St. Louis Cancun
STL → CUN
St. Louis Cape Girardeau
STL → CGI
St. Louis Charlotte
STL → CLT
St. Louis Chicago
STL → MDW
St. Louis Cincinnati
STL → CVG
St. Louis Cleveland
STL → CLE
St. Louis Columbus
STL → CMH
St. Louis Dallas
STL → DAL
St. Louis Decatur
STL → DEC
St. Louis Denver
STL → DEN
St. Louis Detroit
STL → DTW
St. Louis Fort Lauderdale
STL → FLL
St. Louis Fort Leonard Wood
STL → TBN
St. Louis Fort Myers
STL → RSW
St. Louis Fort Worth
STL → DFW
St. Louis Grand Rapids
STL → GRR
St. Louis Houston
STL → IAH
St. Louis Houston
STL → HOU
St. Louis Jonesboro
STL → JBR
St. Louis Kansas City
STL → MCI
St. Louis Kirksville
STL → IRK
St. Louis Las Vegas
STL → LAS
St. Louis Little Rock
STL → LIT
St. Louis Los Angeles
STL → LAX
St. Louis Marion
STL → MWA
St. Louis Miami
STL → MIA
St. Louis Milwaukee
STL → MKE
St. Louis Minneapolis
STL → MSP
St. Louis Montego Bay
STL → MBJ
St. Louis Nashville
STL → BNA
St. Louis New Orleans
STL → MSY
St. Louis New York
STL → JFK
St. Louis Oklahoma City
STL → OKC
St. Louis Omaha
STL → OMA
St. Louis Orlando
STL → MCO
St. Louis Owensboro
STL → OWB
St. Louis Philadelphia
STL → PHL
St. Louis Phoenix
STL → PHX
St. Louis Pittsburgh International Airport
STL → PIT
St. Louis Puerto Vallarta
STL → PVR
St. Louis Punta Cana
STL → PUJ
St. Louis Quincy
STL → UIN
St. Louis Raleigh
STL → RDU
St. Louis Salt Lake City
STL → SLC
St. Louis San Antonio
STL → SAT
St. Louis San Diego
STL → SAN
St. Louis San Francisco
STL → SFO
St. Louis Seattle
STL → SEA
St. Louis Tampa
STL → TPA
St. Louis Toronto
STL → YYZ
St. Louis Tulsa
STL → TUL
More flights from Washington DC (DCA)
87 routes
Washington DC Akron
DCA → CAK
Washington DC Albany
DCA → ALB
Washington DC Atlanta
DCA → ATL
Washington DC Augusta
DCA → AGS
Washington DC Austin
DCA → AUS
Washington DC Bangor
DCA → BGR
Washington DC Birmingham
DCA → BHM
Washington DC Boston
DCA → BOS
Washington DC Buffalo
DCA → BUF
Washington DC Burlington
DCA → BTV
Washington DC Charleston
DCA → CHS
Washington DC Charlotte
DCA → CLT
Washington DC Chattanooga
DCA → CHA
Washington DC Chicago
DCA → ORD
Washington DC Cincinnati
DCA → CVG
Washington DC Cleveland
DCA → CLE
Washington DC Columbia
DCA → CAE
Washington DC Columbus
DCA → CMH
Washington DC Dayton
DCA → DAY
Washington DC Denver
DCA → DEN
Washington DC Des Moines
DCA → DSM
Washington DC Detroit
DCA → DTW
Washington DC Fayetteville
DCA → FAY
Washington DC Fort Lauderdale
DCA → FLL
Washington DC Fort Myers
DCA → RSW
Washington DC Fort Walton Beach
DCA → VPS
Washington DC Fort Worth
DCA → DFW
Washington DC Greensboro
DCA → GSO
Washington DC Greenville
DCA → GSP
Washington DC Halifax International
DCA → YHZ
Washington DC Hartford
DCA → BDL
Washington DC Hilton Head Island
DCA → HHH
Washington DC Houston
DCA → IAH
Washington DC Houston
DCA → HOU
Washington DC Huntsville
DCA → HSV
Washington DC Indianapolis
DCA → IND
Washington DC Jackson
DCA → JAN
Washington DC Jacksonville
DCA → JAX
Washington DC Kansas City
DCA → MCI
Washington DC Knoxville
DCA → TYS
Washington DC Lansing
DCA → LAN
Washington DC Las Vegas
DCA → LAS
Washington DC Lexington
DCA → LEX
Washington DC Little Rock
DCA → LIT
Washington DC Long Island
DCA → ISP
Washington DC Los Angeles
DCA → LAX
Washington DC Louisville
DCA → SDF
Washington DC Madison
DCA → MSN
Washington DC Manchester
DCA → MHT
Washington DC Memphis
DCA → MEM
Washington DC Miami
DCA → MIA
Washington DC Milwaukee
DCA → MKE
Washington DC Minneapolis
DCA → MSP
Washington DC Montreal
DCA → YUL
Washington DC Myrtle Beach
DCA → MYR
Washington DC Nashville
DCA → BNA
Washington DC Nassau
DCA → NAS
Washington DC New Orleans
DCA → MSY
Washington DC New York
DCA → EWR
Washington DC Norfolk
DCA → ORF
Washington DC Omaha
DCA → OMA
Washington DC Orlando
DCA → MCO
Washington DC Ottawa
DCA → YOW
Washington DC Pensacola
DCA → PNS
Washington DC Philadelphia
DCA → PHL
Washington DC Phoenix
DCA → PHX
Washington DC Pittsburgh International Airport
DCA → PIT
Washington DC Portland International
DCA → PDX
Washington DC Portland
DCA → PWM
Washington DC Providence
DCA → PVD
Washington DC Raleigh
DCA → RDU
Washington DC Rochester
DCA → ROC
Washington DC Salt Lake City
DCA → SLC
Washington DC San Diego
DCA → SAN
Washington DC San Francisco
DCA → SFO
Washington DC San Juan
DCA → SJU
Washington DC Sarasota
DCA → SRQ
Washington DC Savannah
DCA → SAV
Washington DC Seattle
DCA → SEA
Washington DC St. Louis
DCA → STL
Washington DC Syracuse
DCA → SYR
Washington DC Tallahassee
DCA → TLH
Washington DC Tampa
DCA → TPA
Washington DC Toronto
DCA → YYZ
Washington DC West Palm Beach
DCA → PBI
Washington DC White Plains
DCA → HPN
Washington DC Wilmington
DCA → ILM
❓ 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.