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DCA → ISPApprox. 399.63 km11 May 2026Live inventory
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Showing 25
of 65
live flights
Southwest Airlines
WN-1740
06:00
05/11/2026
DCA
Ronald Reagan Washington National Airport
6h 5m
1 Stop
⏱ MCO · 1h 5mMCO Airport
12:05
05/11/2026
ISP
Long Island Mac Arthur Airport
₹20,063
per person
✕ Non-refundable10 fare options
Southwest Airlines
WN-1156
10:40
05/11/2026
BWI
Ronald Reagan Washington National Airport
1h 10m
Non-stop
11:50
05/11/2026
ISP
Long Island Mac Arthur Airport
₹23,540
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2080
15:20
05/11/2026
BWI
Ronald Reagan Washington National Airport
1h 10m
Non-stop
16:30
05/11/2026
ISP
Long Island Mac Arthur Airport
₹23,540
per person
✕ Non-refundable🔥 Last 5 seats9 fare options
Southwest Airlines
WN-3161
22:20
05/11/2026
BWI
Ronald Reagan Washington National Airport
1h 10m
Non-stop
23:30
05/11/2026
ISP
Long Island Mac Arthur Airport
₹23,540
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2413
19:10
05/11/2026
BWI
Ronald Reagan Washington National Airport
1h 15m
Non-stop
20:25
05/11/2026
ISP
Long Island Mac Arthur Airport
₹23,540
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-1404
16:25
05/11/2026
DCA
Ronald Reagan Washington National Airport
6h 5m
1 Stop
⏱ MCO · 1h 5mMCO Airport
22:30
05/11/2026
ISP
Long Island Mac Arthur Airport
₹26,270
per person
✕ Non-refundable🔥 Last 5 seats9 fare options
Southwest Airlines
WN-4227
13:00
05/11/2026
DCA
Ronald Reagan Washington National Airport
9h 30m
1 Stop
⏱ MCO · 4h 30mMCO Airport
22:30
05/11/2026
ISP
Long Island Mac Arthur Airport
₹26,789
per person
✕ Non-refundable🔥 Last 5 seats9 fare options
Delta Air Lines
DL-5672
12:59
05/11/2026
DCA
Ronald Reagan Washington National Airport
6h 46m
1 Stop
⏱ BOS · 3h 30mBOS Airport
19:45
05/11/2026
ISP
Long Island Mac Arthur Airport
₹33,994
per person
✕ Non-refundable🔥 Last 2 seats3 fare options
Delta Air Lines
DL-5693
11:55
05/11/2026
DCA
Ronald Reagan Washington National Airport
7h 50m
1 Stop
⏱ BOS · 4h 42mBOS Airport
19:45
05/11/2026
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5600
10:00
05/11/2026
DCA
Ronald Reagan Washington National Airport
9h 45m
1 Stop
⏱ BOS · 6h 39mBOS Airport
19:45
05/11/2026
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5687
08:40
05/11/2026
DCA
Ronald Reagan Washington National Airport
11h 5m
1 Stop
⏱ BOS · 7h 46mBOS Airport
19:45
05/11/2026
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable🔥 Last 5 seats2 fare options
Delta Air Lines
DL-5698
06:59
05/11/2026
DCA
Ronald Reagan Washington National Airport
12h 46m
1 Stop
⏱ BOS · 9h 39mBOS Airport
19:45
05/11/2026
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5667
22:00
05/11/2026
DCA
Ronald Reagan Washington National Airport
13h 5m
1 Stop
⏱ BOS · 9h 48mBOS Airport
11:05
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5710
06:00
05/11/2026
DCA
Ronald Reagan Washington National Airport
13h 45m
1 Stop
⏱ BOS · 10h 38mBOS Airport
19:45
05/11/2026
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5689
18:16
05/11/2026
DCA
Ronald Reagan Washington National Airport
16h 49m
1 Stop
⏱ BOS · 13h 25mBOS Airport
11:05
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5820
17:00
05/11/2026
DCA
Ronald Reagan Washington National Airport
18h 5m
1 Stop
⏱ BOS · 14h 42mBOS Airport
11:05
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5667
22:00
05/11/2026
DCA
Ronald Reagan Washington National Airport
18h 10m
1 Stop
⏱ BOS · 14h 52mBOS Airport
16:10
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5667
22:00
05/11/2026
DCA
Ronald Reagan Washington National Airport
21h 45m
1 Stop
⏱ BOS · 18h 37mBOS Airport
19:45
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5689
18:16
05/11/2026
DCA
Ronald Reagan Washington National Airport
21h 54m
1 Stop
⏱ BOS · 18h 29mBOS Airport
16:10
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5672
12:59
05/11/2026
DCA
Ronald Reagan Washington National Airport
22h 6m
1 Stop
⏱ BOS · 18h 41mBOS Airport
11:05
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5820
17:00
05/11/2026
DCA
Ronald Reagan Washington National Airport
23h 10m
1 Stop
⏱ BOS · 19h 46mBOS Airport
16:10
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5693
11:55
05/11/2026
DCA
Ronald Reagan Washington National Airport
23h 10m
1 Stop
⏱ BOS · 19h 53mBOS Airport
11:05
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5600
10:00
05/11/2026
DCA
Ronald Reagan Washington National Airport
25h 5m
1 Stop
⏱ BOS · 21h 50mBOS Airport
11:05
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5689
18:16
05/11/2026
DCA
Ronald Reagan Washington National Airport
25h 29m
1 Stop
⏱ BOS · 22h 14mBOS Airport
19:45
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5687
08:40
05/11/2026
DCA
Ronald Reagan Washington National Airport
26h 25m
1 Stop
⏱ BOS · 22h 57mBOS Airport
11:05
05/12/2026
+1
ISP
Long Island Mac Arthur Airport
₹34,858
per person
✕ Non-refundable🔥 Last 5 seats2 fare options
😕 No flights match your filters.
Washington DC (DCA)
📍 Ronald Reagan Washington National Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 38.8521
📐 Longitude: -77.037697
Long Island (ISP)
📍 Long Island Mac Arthur Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 40.79520035
📐 Longitude: -73.10019684
✈ Distance: Washington DC,USA to Long Island, Islip,USA — 399.63 km
📅 Results on this page are loaded for 11 May 2026. Click View all flights for the complete live search.
Washington DC to Long Island — what to expect when booking
The DCA–ISP 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 Washington DC,USA and Long Island, Islip,USA is approximately
399.63 km.
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❓ Frequently asked questions — Washington DC to Long Island 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 Washington DC,USA (DCA) and Long Island, Islip,USA (ISP) 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.