DCA to STL

Washington Dc to St Louis flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

DCA
Washington Dc (DCA), United StatesRonald Reagan National
STL
St Louis (STL), United StatesLambert-St Louis Intl
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Live flights for Mon, 22 Jun 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: USD
Mon, 22 JunDCA to STL$268 Tue, 23 JunDCA to STL Wed, 24 JunDCA to STL Thu, 25 JunDCA to STL Fri, 26 JunDCA to STL Sat, 27 JunDCA to STL Sun, 28 JunDCA to STL
Sort By:DepartureDurationArrivalPrice
Delta Air Lines
Delta Air Lines
DL-410
06:00
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
4H :46 M
1 Stop
ATL · 1h 16mAtlanta (ATL), United States
09:46
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$268
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-380
12:17
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :50 M
1 Stop
ATL · 3h 16mAtlanta (ATL), United States
18:07
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$268
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-5747
13:30
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
8H :16 M
1 Stop
LGA · 3h 51mNew York (LGA), United States
20:46
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$268
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-737
13:42
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
5H :25 M
1 Stop
ATL · 1h 41mAtlanta (ATL), United States
18:07
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$268
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-850
18:25
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
4H :53 M
1 Stop
ATL · 1h 03mAtlanta (ATL), United States
22:18
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$268
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-850
18:25
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :31 M
1 Stop
ATL · 2h 40mAtlanta (ATL), United States
23:56
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$268
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-950
19:30
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
5H :26 M
1 Stop
ATL · 1h 40mAtlanta (ATL), United States
23:56
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$268
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2201
10:30
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :16 M
1 Stop
ORD · 2h 32mChicago (ORD), United States
15:46
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 4 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1048
11:57
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
4H :49 M
1 Stop
ORD · 1h 05mChicago (ORD), United States
15:46
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 8 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1048
11:57
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
7H :16 M
1 Stop
ORD · 3h 30mChicago (ORD), United States
18:13
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 3 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-511
13:00
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :13 M
1 Stop
ORD · 2h 27mChicago (ORD), United States
18:13
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1381
14:55
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :47 M
1 Stop
IAH · 1h 14mHouston (IAH), United States
20:42
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1381
14:55
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
8H :50 M
1 Stop
IAH · 3h 16mHouston (IAH), United States
22:45
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1325
15:30
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
7H :00 M
1 Stop
ORD · 3h 07mChicago (ORD), United States
21:30
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 3 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1785
16:59
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :46 M
1 Stop
IAH · 1h 03mHouston (IAH), United States
22:45
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 8 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-654
17:05
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
5H :25 M
1 Stop
ORD · 1h 29mChicago (ORD), United States
21:30
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-654
17:05
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
7H :24 M
1 Stop
ORD · 3h 30mChicago (ORD), United States
23:29
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 3 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-4180
17:57
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :38 M
1 Stop
EWR · 2h 37mNew York (EWR), United States
23:35
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 6 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2148
18:10
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :19 M
1 Stop
ORD · 2h 28mChicago (ORD), United States
23:29
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1193
19:18
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
5H :11 M
1 Stop
ORD · 1h 20mChicago (ORD), United States
23:29
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$308
total fare
Non Refundable 5 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1172
06:20
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :29 M
1 Stop
LGA · 2h 25mNew York (LGA), United States
11:49
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$331
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-455
09:00
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :52 M
1 Stop
ATL · 3h 19mAtlanta (ATL), United States
14:52
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$331
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces

Recommended hotels in St Louis

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Delta Air Lines
Delta Air Lines
DL-5742
11:00
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
5H :50 M
1 Stop
LGA · 1h 48mNew York (LGA), United States
15:50
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$331
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-360
16:00
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
7H :18 M
1 Stop
ATL · 3h 36mAtlanta (ATL), United States
22:18
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$331
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-455
09:00
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
4H :34 M
1 Stop
ATL · 1h 04mAtlanta (ATL), United States
12:34
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$361
total fare
Non Refundable 3 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2476
12:29
2026-06-22
WASHINGTON DC (DCA)United StatesRonald Reagan National
5H :54 M
1 Stop
DTW · 2h 37mDetroit (DTW), United States
17:23
2026-06-22
St Louis (STL)United StatesLambert-St Louis Intl
$361
total fare
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
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Fare highlights

Selected flight highlights for 22 Jun 2026.

Open full search
Lowest fare $268 Delta Air Lines 06:00
Earliest departure $268 Delta Air Lines 06:00
Shortest duration $361 Delta Air Lines 09:00
Night 00:00-05:59 No option Open full search for more
Morning 06:00-11:59 $268 Delta Air Lines at 06:00
Afternoon 12:00-17:59 $268 Delta Air Lines at 12:17
Evening 18:00-23:59 $268 Delta Air Lines at 18:25

Washington Dc to St Louis route details

Washington Dc (DCA)

Ronald Reagan National

United States

GMT -5

Latitude: 38.8521

Longitude: -77.037697

St Louis (STL)

Lambert-St Louis Intl

United States

GMT -6

Latitude: 38.748697

Longitude: -90.370003

Distance: Washington Dc (DCA), United States to St Louis (STL), United States - 1,154.38 km
Flights shown for 22 Jun 2026. View all flights opens the complete search result.

Washington Dc to St Louis - what to expect when booking

The DCA to STL cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 1,154.38 km.

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More flights from Washington Dc (DCA)23 routes
Washington Dc → Akron/canton
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 Ny
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 → Covington Ky
DCA → CVG
Washington Dc → Cleveland
DCA → CLE
Washington Dc → Columbia
DCA → CAE
Washington Dc → Columbus
DCA → CMH
Washington Dc → Dayton Oh
DCA → DAY
Washington Dc → Denver
DCA → DEN
Washington Dc → Des Moines
DCA → DSM
Washington Dc → Detroit Mi
DCA → DTW
Washington Dc → Fayetteville
DCA → FAY
More flights from St Louis (STL)23 routes
St Louis → Atlanta
STL → ATL
St Louis → Boston
STL → BOS
St Louis → Burlington
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 → Covington Ky
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 Mi
STL → DTW
St Louis → Fort Lauderdale
STL → FLL
St Louis → Fort Leonard Wood
STL → TBN
St Louis → Fort Myers
STL → RSW
St Louis → Dallas
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
Frequently asked questions - Washington Dc to St Louis flights
Yes, booking flights in advance helps you secure cheap flight tickets. Comparing air ticket prices 3–4 weeks early gives you better visibility of airline timings, baggage policies, and fare rules before high-demand periods push prices up.
The approximate direct air distance between Washington Dc (DCA) and St Louis (STL) is 1,154.38 km. The actual flight duration and route path vary depending on airline schedules and wind conditions.
Non-stop flight availability depends on the airline schedule and departure date. You can filter the live search results by stops to view direct flights, one-stop connections, and transit flights instantly.
Airline seat inventory and airfares change dynamically in real-time. Selecting 'Book Now' runs a live fare verification check to ensure you get the most accurate price before final booking confirmation.
Yes, you can easily compare flights for nearby dates. Select any date on the date calendar strip to refresh the fares, compare air ticket pricing, and choose the most budget-friendly travel day.