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ISP → DCAApprox. 399.63 km11 May 2026Live inventory
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Showing 25
of 50
live flights
Southwest Airlines
WN-2160
06:00
05/11/2026
ISP
Long Island Mac Arthur Airport
1h 20m
Non-stop
07:20
05/11/2026
BWI
Ronald Reagan Washington National Airport
₹18,653
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-1077
08:35
05/11/2026
ISP
Long Island Mac Arthur Airport
1h 20m
Non-stop
09:55
05/11/2026
BWI
Ronald Reagan Washington National Airport
₹18,653
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-1257
16:30
05/11/2026
ISP
Long Island Mac Arthur Airport
1h 20m
Non-stop
17:50
05/11/2026
BWI
Ronald Reagan Washington National Airport
₹18,653
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-3081
12:30
05/11/2026
ISP
Long Island Mac Arthur Airport
1h 15m
Non-stop
13:45
05/11/2026
BWI
Ronald Reagan Washington National Airport
₹23,033
per person
✕ Non-refundable🔥 Last 1 seats9 fare options
Southwest Airlines
WN-2080
17:10
05/11/2026
ISP
Long Island Mac Arthur Airport
5h 40m
1 Stop
⏱ MCO · 0h 35mMCO Airport
22:50
05/11/2026
DCA
Ronald Reagan Washington National Airport
₹25,501
per person
✕ Non-refundable🔥 Last 1 seats9 fare options
Southwest Airlines
WN-2080
17:10
05/11/2026
ISP
Long Island Mac Arthur Airport
17h 50m
1 Stop
⏱ MCO · 12h 50mMCO Airport
11:00
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹25,743
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2498
06:50
05/11/2026
ISP
Long Island Mac Arthur Airport
8h 50m
1 Stop
⏱ MCO · 3h 55mMCO Airport
15:40
05/11/2026
DCA
Ronald Reagan Washington National Airport
₹26,212
per person
✕ Non-refundable🔥 Last 3 seats10 fare options
Cape Air
9K-210
07:25
05/11/2026
ISP
Long Island Mac Arthur Airport
24h 34m
1 Stop
⏱ BOS · 21h 21mBOS Airport
07:59
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹39,390
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-210
07:25
05/11/2026
ISP
Long Island Mac Arthur Airport
26h 19m
1 Stop
⏱ BOS · 23h 1mBOS Airport
09:44
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹39,390
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-212
09:59
05/11/2026
ISP
Long Island Mac Arthur Airport
22h 0m
1 Stop
⏱ BOS · 18h 56mBOS Airport
07:59
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹39,390
per person
✕ Non-refundable🔥 Last 1 seats
Cape Air
9K-212
09:59
05/11/2026
ISP
Long Island Mac Arthur Airport
25h 11m
1 Stop
⏱ BOS · 22h 5mBOS Airport
11:10
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹39,390
per person
✕ Non-refundable🔥 Last 1 seats
Cape Air
9K-212
09:59
05/11/2026
ISP
Long Island Mac Arthur Airport
23h 45m
1 Stop
⏱ BOS · 20h 36mBOS Airport
09:44
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹39,390
per person
✕ Non-refundable🔥 Last 1 seats
Cape Air
9K-212
09:59
05/11/2026
ISP
Long Island Mac Arthur Airport
6h 43m
1 Stop
⏱ BOS · 3h 35mBOS Airport
16:42
05/11/2026
DCA
Ronald Reagan Washington National Airport
₹40,754
per person
✕ Non-refundable🔥 Last 1 seats
Cape Air
9K-212
09:59
05/11/2026
ISP
Long Island Mac Arthur Airport
7h 47m
1 Stop
⏱ BOS · 4h 35mBOS Airport
17:46
05/11/2026
DCA
Ronald Reagan Washington National Airport
₹41,283
per person
✕ Non-refundable🔥 Last 1 seats
Cape Air
9K-210
07:25
05/11/2026
ISP
Long Island Mac Arthur Airport
26h 27m
1 Stop
⏱ BOS · 23h 5mBOS Airport
09:52
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹41,755
per person
✓ Refundable🔥 Last 2 seats
Cape Air
9K-212
09:59
05/11/2026
ISP
Long Island Mac Arthur Airport
24h 55m
1 Stop
⏱ BOS · 21h 46mBOS Airport
10:54
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹41,755
per person
✓ Refundable🔥 Last 1 seats
Cape Air
9K-212
09:59
05/11/2026
ISP
Long Island Mac Arthur Airport
22h 47m
1 Stop
⏱ BOS · 19h 36mBOS Airport
08:46
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹41,755
per person
✓ Refundable🔥 Last 1 seats
Cape Air
9K-212
09:59
05/11/2026
ISP
Long Island Mac Arthur Airport
21h 47m
1 Stop
⏱ BOS · 18h 36mBOS Airport
07:46
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹41,755
per person
✓ Refundable🔥 Last 1 seats
Cape Air
9K-212
09:59
05/11/2026
ISP
Long Island Mac Arthur Airport
23h 53m
1 Stop
⏱ BOS · 20h 40mBOS Airport
09:52
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹41,755
per person
✓ Refundable🔥 Last 1 seats
Cape Air
9K-210
07:25
05/11/2026
ISP
Long Island Mac Arthur Airport
25h 21m
1 Stop
⏱ BOS · 22h 1mBOS Airport
08:46
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹41,755
per person
✓ Refundable🔥 Last 2 seats
Cape Air
9K-210
07:25
05/11/2026
ISP
Long Island Mac Arthur Airport
24h 21m
1 Stop
⏱ BOS · 21h 1mBOS Airport
07:46
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹41,755
per person
✓ Refundable🔥 Last 2 seats
Cape Air
9K-214
12:30
05/11/2026
ISP
Long Island Mac Arthur Airport
19h 29m
1 Stop
⏱ BOS · 16h 16mBOS Airport
07:59
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹42,229
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-214
12:30
05/11/2026
ISP
Long Island Mac Arthur Airport
22h 40m
1 Stop
⏱ BOS · 19h 25mBOS Airport
11:10
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹42,229
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-214
12:30
05/11/2026
ISP
Long Island Mac Arthur Airport
21h 14m
1 Stop
⏱ BOS · 17h 56mBOS Airport
09:44
05/12/2026
+1
DCA
Ronald Reagan Washington National Airport
₹42,229
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-214
12:30
05/11/2026
ISP
Long Island Mac Arthur Airport
7h 22m
1 Stop
⏱ BOS · 3h 51mBOS Airport
19:52
05/11/2026
DCA
Ronald Reagan Washington National Airport
₹42,588
per person
✕ Non-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,USA — 399.63 km
📅 Results on this page are loaded for 11 May 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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❓ 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.