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Fares from Long Island to Washington DC
Compare live prices for ISP to DCA on Tue, 14 Apr 2026. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
ISP → DCA Approx. 399.63 km 14 Apr 2026 Live inventory
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Showing 25 of 47 live flights
Southwest Airlines
WN-2498
06:55
04/14/2026
ISP
8h 50m
1 Stop
⏱ MCO · 3h 55m
15:45
04/14/2026
DCA
₹18,465
per person
✕ Non-refundable12 fare options
Southwest Airlines
WN-3081
12:30
04/14/2026
ISP
1h 15m
Non-stop
13:45
04/14/2026
BWI
₹18,647
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2160
06:30
04/14/2026
ISP
1h 20m
Non-stop
07:50
04/14/2026
BWI
₹18,647
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-1076
09:00
04/14/2026
ISP
1h 20m
Non-stop
10:20
04/14/2026
BWI
₹18,647
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-993
16:10
04/14/2026
ISP
1h 20m
Non-stop
17:30
04/14/2026
BWI
₹18,647
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-1266
14:30
04/14/2026
ISP
7h 55m
1 Stop
⏱ MCO · 1h 5m
22:25
04/14/2026
DCA
₹20,308
per person
✕ Non-refundable7 fare options
Southwest Airlines
WN-1266
14:30
04/14/2026
ISP
7h 55m
2 Stops
⏱ PBI · 0h 40m⏱ MCO · 1h 5m
22:25
04/14/2026
DCA
₹20,370
per person
✓ Refundable4 fare options
Southwest Airlines
WN-2080
17:15
04/14/2026
ISP
17h 45m
1 Stop
⏱ MCO · 12h 45m
11:00
04/15/2026
+1
DCA
₹21,545
per person
✕ Non-refundable11 fare options
Southwest Airlines Dallas
WN-3081
12:30
04/14/2026
ISP
9h 55m
2 Stops
⏱ PBI · 1h 5m⏱ MCO · 1h 5m
22:25
04/14/2026
DCA
₹21,729
per person
✕ Non-refundable2 fare options
Southwest Airlines Dallas
WN-1076
09:00
04/14/2026
ISP
13h 15m
2 Stops
⏱ BUF · 2h 55m⏱ MDW · 3h 35m
22:15
04/14/2026
DCA
₹26,389
per person
✕ Non-refundable🔥 Last 1 seats2 fare options
Cape Air
9K-212
09:59
04/14/2026
ISP
5h 19m
1 Stop
⏱ BOS · 1h 58m
15:18
04/14/2026
DCA
₹34,197
per person
✕ Non-refundable🔥 Last 2 seats7 fare options
Cape Air
9K-212
09:59
04/14/2026
ISP
7h 6m
1 Stop
⏱ BOS · 3h 46m
17:05
04/14/2026
DCA
₹34,221
per person
✕ Non-refundable3 fare options
Cape Air
9K-212
09:59
04/14/2026
ISP
6h 3m
1 Stop
⏱ BOS · 2h 46m
16:02
04/14/2026
DCA
₹34,221
per person
✕ Non-refundable3 fare options
Cape Air
9K-212
09:59
04/14/2026
ISP
4h 26m
1 Stop
⏱ BOS · 1h 6m
14:25
04/14/2026
DCA
₹34,221
per person
✕ Non-refundable3 fare options
Cape Air
9K-212
09:59
04/14/2026
ISP
8h 0m
1 Stop
⏱ BOS · 4h 36m
17:59
04/14/2026
DCA
₹34,719
per person
✕ Non-refundable🔥 Last 1 seats7 fare options
Cape Air
9K-212
09:59
04/14/2026
ISP
9h 21m
1 Stop
⏱ BOS · 6h 6m
19:20
04/14/2026
DCA
₹34,719
per person
✕ Non-refundable🔥 Last 2 seats6 fare options
Cape Air
9K-212
09:59
04/14/2026
ISP
6h 43m
1 Stop
⏱ BOS · 3h 35m
16:42
04/14/2026
DCA
₹34,740
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-212
09:59
04/14/2026
ISP
5h 43m
1 Stop
⏱ BOS · 2h 35m
15:42
04/14/2026
DCA
₹34,740
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-212
09:59
04/14/2026
ISP
12h 23m
1 Stop
⏱ BOS · 9h 1m
22:22
04/14/2026
DCA
₹34,893
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-212
09:59
04/14/2026
ISP
13h 41m
1 Stop
⏱ BOS · 10h 26m
23:40
04/14/2026
DCA
₹34,893
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-212
09:59
04/14/2026
ISP
22h 6m
1 Stop
⏱ BOS · 18h 41m
08:05
04/15/2026
+1
DCA
₹34,893
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-212
09:59
04/14/2026
ISP
23h 24m
1 Stop
⏱ BOS · 20h 1m
09:23
04/15/2026
+1
DCA
₹34,893
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-212
09:59
04/14/2026
ISP
25h 9m
1 Stop
⏱ BOS · 21h 51m
11:08
04/15/2026
+1
DCA
₹34,893
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-212
09:59
04/14/2026
ISP
26h 19m
1 Stop
⏱ BOS · 23h 1m
12:18
04/15/2026
+1
DCA
₹34,893
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-212
09:59
04/14/2026
ISP
22h 47m
1 Stop
⏱ BOS · 19h 36m
08:46
04/15/2026
+1
DCA
₹35,265
per person
✓ Refundable🔥 Last 2 seats
😕 No flights match your filters.
Long Island (ISP)
📍 Long Island Mac Arthur Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 40.79520035
📐 Longitude: -73.10019684
Washington DC (DCA)
📍 Ronald Reagan Washington National Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 38.8521
📐 Longitude: -77.037697

✈ Distance: Long Island, Islip,USA to Washington DC,USA399.63 km

📅 Results on this page are loaded for 14 Apr 2026. Click View all flights for the complete live search.

Long Island to Washington DC — what to expect when booking

The ISP–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 Long Island, Islip,USA and Washington DC,USA is approximately 399.63 km.

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More flights from Long Island (ISP)
9 routes
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 — Long Island 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 Long Island, Islip,USA (ISP) and Washington DC,USA (DCA) is approximately 399.63 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.