💰 Cheapest
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Showing 25
of 119
live flights
Southwest Airlines
WN-2141
06:00
07/14/2026
ISP
Long Island Mac Arthur Airport
07:15
07/14/2026
BWI
Ronald Reagan Washington National Airport
₹12,286
per person
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✕ Non-refundable 9 fare options
Southwest Airlines
WN-4584
08:55
07/14/2026
ISP
Long Island Mac Arthur Airport
10:10
07/14/2026
BWI
Ronald Reagan Washington National Airport
₹12,286
per person
Select →
✕ Non-refundable 9 fare options
Southwest Airlines
WN-921
14:55
07/14/2026
ISP
Long Island Mac Arthur Airport
16:10
07/14/2026
BWI
Ronald Reagan Washington National Airport
₹12,286
per person
Select →
✕ Non-refundable 9 fare options
Southwest Airlines
WN-2145
16:40
07/14/2026
ISP
Long Island Mac Arthur Airport
17:55
07/14/2026
BWI
Ronald Reagan Washington National Airport
₹12,286
per person
Select →
✕ Non-refundable 9 fare options
06:00
07/14/2026
ISP
Long Island Mac Arthur Airport
8h 15m
1 Stop
⏱ FLL · 2h 42m FLL Airport
14:15
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹17,753
per person
Select →
✕ Non-refundable 4 fare options
Southwest Airlines
WN-2143
12:25
07/14/2026
ISP
Long Island Mac Arthur Airport
13:40
07/14/2026
BWI
Ronald Reagan Washington National Airport
₹18,897
per person
Select →
✕ Non-refundable 9 fare options
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
5h 35m
1 Stop
⏱ MCO · 0h 45m MCO Airport
12:00
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹20,102
per person
Select →
✕ Non-refundable 🔥 Last 3 seats 10 fare options
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
9h 55m
1 Stop
⏱ MCO · 5h 0m MCO Airport
16:20
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹25,386
per person
Select →
✕ Non-refundable 2 fare options
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
7h 35m
2 Stops
⏱ MCO · 0h 35m MCO Airport ⏱ BNA · 0h 40m BNA Airport
14:00
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,272
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
8h 50m
2 Stops
⏱ MCO · 1h 0m MCO Airport ⏱ CMH · 1h 45m CMH Airport
15:15
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,272
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
9h 30m
2 Stops
⏱ MCO · 0h 35m MCO Airport ⏱ BNA · 2h 35m BNA Airport
15:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,272
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
9h 30m
2 Stops
⏱ MCO · 1h 55m MCO Airport ⏱ BNA · 1h 15m BNA Airport
15:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,272
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
12h 30m
2 Stops
⏱ MCO · 3h 30m MCO Airport ⏱ BNA · 2h 40m BNA Airport
18:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,272
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
12h 30m
2 Stops
⏱ MCO · 2h 40m MCO Airport ⏱ STL · 2h 50m STL Airport
18:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,272
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
12h 30m
2 Stops
⏱ MCO · 0h 35m MCO Airport ⏱ BNA · 5h 35m BNA Airport
18:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,801
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
12h 30m
2 Stops
⏱ MCO · 1h 55m MCO Airport ⏱ BNA · 4h 15m BNA Airport
18:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,801
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
16h 50m
2 Stops
⏱ MCO · 3h 30m MCO Airport ⏱ BNA · 6h 55m BNA Airport
23:15
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,801
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
13h 30m
2 Stops
⏱ MCO · 2h 0m MCO Airport ⏱ MDW · 4h 20m MDW Airport
19:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,801
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
14h 30m
2 Stops
⏱ MCO · 1h 20m MCO Airport ⏱ MSY · 6h 15m MSY Airport
20:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,801
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
16h 30m
2 Stops
⏱ MCO · 2h 40m MCO Airport ⏱ STL · 6h 50m STL Airport
22:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,801
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
16h 50m
2 Stops
⏱ MCO · 7h 40m MCO Airport ⏱ BNA · 2h 35m BNA Airport
23:15
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹26,801
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
17h 25m
2 Stops
⏱ MCO · 4h 30m MCO Airport ⏱ MDW · 5h 40m MDW Airport
23:50
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹27,330
per person
Select →
✕ Non-refundable
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
12h 30m
2 Stops
⏱ MCO · 4h 45m MCO Airport ⏱ STL · 0h 40m STL Airport
18:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹28,790
per person
Select →
✕ Non-refundable 🔥 Last 1 seats
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
13h 30m
2 Stops
⏱ MCO · 5h 30m MCO Airport ⏱ MDW · 0h 45m MDW Airport
19:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹28,790
per person
Select →
✕ Non-refundable 🔥 Last 1 seats
Southwest Airlines
WN-4646
06:25
07/14/2026
ISP
Long Island Mac Arthur Airport
13h 30m
2 Stops
⏱ MCO · 4h 30m MCO Airport ⏱ MDW · 1h 50m MDW Airport
19:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
₹28,790
per person
Select →
✕ Non-refundable 🔥 Last 1 seats
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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 14 Jul 2026 . Click Load more flights to expand the full list on this page.
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 .
Before you book
Compare nearby dates The date strip above lets you scan nearby fares without restarting the search.
Load the full list Route page starts with 25 flights for speed. Load more brings the complete list onto this page.
Check fare details Each result shows baggage, refundability and fare details before you proceed.
More flights from Long Island (ISP)
8 routes
More flights from Washington DC (DCA)
87 routes
❓ Frequently asked questions — Long Island to Washington DC flights
▼ Is it worth booking Long Island to Washington DC flights in advance?
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.
▼ How far is Long Island from Washington DC by air?
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.
▼ Are there non-stop flights from ISP to DCA?
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.
▼ What is the cheapest day to fly from Long Island to Washington DC?
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.