✦ Smart route search

Long Island (ISP) to Washington DC (DCA) Flights from ₹11,434

Fares on this route currently start from ₹11,434. Compare live ISP to DCA prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
ISP → DCA Approx. 399.63 km 04 Jun 2026 Live inventory
✈ Flight Search
Modify your route
From
To
Depart
Return
Adults
Children
Infants
Cabin
Trip Type
ISP→DCA

Sort By

💰 Cheapest
⚡ Fastest
🕐 Earliest

🎚️ Filters

Stops Reset
0
0
0
Max Price Reset
Up to ₹5,00,000
Departure Time Reset
🌙 Night
12am–6am
🌅 Morning
6am–12pm
☀️ Afternoon
12pm–6pm
🌆 Evening
6pm–12am
Fare Type
Airlines All
Loading…
Select Fare
Showing 25 of 41 live flights
Frontier Airlines
F9-3941
11:00
06/04/2026
ISP
Long Island Mac Arthur Airport
7h 42m
1 Stop
⏱ MCO · 2h 24mMCO Airport
18:42
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹11,434
per person
✕ Non-refundable
Southwest Airlines
WN-2141
06:00
06/04/2026
ISP
Long Island Mac Arthur Airport
1h 15m
Non-stop
07:15
06/04/2026
BWI
Ronald Reagan Washington National Airport
₹15,119
per person
✕ Non-refundable13 fare options
Southwest Airlines
WN-4584
09:10
06/04/2026
ISP
Long Island Mac Arthur Airport
1h 15m
Non-stop
10:25
06/04/2026
BWI
Ronald Reagan Washington National Airport
₹15,119
per person
✕ Non-refundable13 fare options
Southwest Airlines
WN-2143
12:30
06/04/2026
ISP
Long Island Mac Arthur Airport
1h 15m
Non-stop
13:45
06/04/2026
BWI
Ronald Reagan Washington National Airport
₹15,119
per person
✕ Non-refundable13 fare options
Southwest Airlines
WN-921
15:05
06/04/2026
ISP
Long Island Mac Arthur Airport
1h 15m
Non-stop
16:20
06/04/2026
BWI
Ronald Reagan Washington National Airport
₹15,119
per person
✕ Non-refundable13 fare options
Southwest Airlines
WN-2145
17:50
06/04/2026
ISP
Long Island Mac Arthur Airport
1h 15m
Non-stop
19:05
06/04/2026
BWI
Ronald Reagan Washington National Airport
₹15,119
per person
✕ Non-refundable13 fare options
Southwest Airlines
WN-4646
05:20
06/04/2026
ISP
Long Island Mac Arthur Airport
6h 40m
1 Stop
⏱ MCO · 1h 50mMCO Airport
12:00
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹20,076
per person
✕ Non-refundable13 fare options
Southwest Airlines
WN-104
18:05
06/04/2026
ISP
Long Island Mac Arthur Airport
17h 55m
1 Stop
⏱ MCO · 12h 50mMCO Airport
12:00
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹25,045
per person
✕ Non-refundable13 fare options
JetBlue Airways
B6-513
12:25
06/04/2026
ISP
Long Island Mac Arthur Airport
26h 19m
1 Stop
⏱ FLL · 20h 52mFLL Airport
14:44
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹27,378
per person
✕ Non-refundable🔥 Last 3 seats5 fare options
Cape Air
9K-210
07:25
06/04/2026
ISP
Long Island Mac Arthur Airport
4h 35m
1 Stop
⏱ BOS · 1h 22mBOS Airport
12:00
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹38,411
per person
✓ Refundable🔥 Last 2 seats
Cape Air
9K-210
07:25
06/04/2026
ISP
Long Island Mac Arthur Airport
26h 35m
1 Stop
⏱ BOS · 23h 20mBOS Airport
10:00
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹38,948
per person
✓ Refundable🔥 Last 2 seats
Cape Air
9K-210
07:25
06/04/2026
ISP
Long Island Mac Arthur Airport
24h 15m
1 Stop
⏱ BOS · 21h 1mBOS Airport
07:40
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹38,948
per person
✓ Refundable🔥 Last 2 seats
Cape Air
9K-210
07:25
06/04/2026
ISP
Long Island Mac Arthur Airport
25h 30m
1 Stop
⏱ BOS · 22h 1mBOS Airport
08:55
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹38,948
per person
✓ Refundable🔥 Last 2 seats
Cape Air
9K-210
07:25
06/04/2026
ISP
Long Island Mac Arthur Airport
7h 32m
2 Stops
⏱ BOS · 1h 50mBOS Airport⏱ LGA · 1h 19mLGA Airport
14:57
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹39,096
per person
✓ Refundable🔥 Last 2 seats
Cape Air
9K-210
07:25
06/04/2026
ISP
Long Island Mac Arthur Airport
6h 31m
1 Stop
⏱ BOS · 3h 1mBOS Airport
13:56
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹40,330
per person
✓ Refundable🔥 Last 2 seats
Cape Air
9K-210
07:25
06/04/2026
ISP
Long Island Mac Arthur Airport
7h 58m
2 Stops
⏱ BOS · 2h 1mBOS Airport⏱ EWR · 1h 32mEWR Airport
15:23
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹41,241
per person
✓ Refundable🔥 Last 1 seats
Cape Air
9K-210
07:25
06/04/2026
ISP
Long Island Mac Arthur Airport
4h 49m
1 Stop
⏱ BOS · 1h 36mBOS Airport
12:14
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹41,767
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-212
09:59
06/04/2026
ISP
Long Island Mac Arthur Airport
24h 1m
1 Stop
⏱ BOS · 20h 55mBOS Airport
10:00
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹44,700
per person
✓ Refundable🔥 Last 1 seats
Cape Air
9K-212
09:59
06/04/2026
ISP
Long Island Mac Arthur Airport
25h 0m
1 Stop
⏱ BOS · 21h 54mBOS Airport
10:59
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹44,700
per person
✓ Refundable🔥 Last 1 seats
Cape Air
9K-212
09:59
06/04/2026
ISP
Long Island Mac Arthur Airport
21h 41m
1 Stop
⏱ BOS · 18h 36mBOS Airport
07:40
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹44,700
per person
✓ Refundable🔥 Last 1 seats
Cape Air
9K-212
09:59
06/04/2026
ISP
Long Island Mac Arthur Airport
22h 56m
1 Stop
⏱ BOS · 19h 36mBOS Airport
08:55
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹44,700
per person
✓ Refundable🔥 Last 1 seats
Cape Air
9K-210
07:25
06/04/2026
ISP
Long Island Mac Arthur Airport
7h 18m
1 Stop
⏱ BOS · 4h 1mBOS Airport
14:43
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹45,756
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-210
07:25
06/04/2026
ISP
Long Island Mac Arthur Airport
24h 29m
1 Stop
⏱ BOS · 21h 16mBOS Airport
07:54
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹45,756
per person
✕ Non-refundable🔥 Last 2 seats
Cape Air
9K-214
12:30
06/04/2026
ISP
Long Island Mac Arthur Airport
21h 30m
1 Stop
⏱ BOS · 18h 15mBOS Airport
10:00
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹47,576
per person
✓ Refundable🔥 Last 2 seats
Cape Air
9K-214
12:30
06/04/2026
ISP
Long Island Mac Arthur Airport
22h 29m
1 Stop
⏱ BOS · 19h 14mBOS Airport
10:59
06/05/2026
+1
DCA
Ronald Reagan Washington National Airport
₹47,576
per person
✓ Refundable🔥 Last 1 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 04 Jun 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.

Before you book

Compare nearby dates

The date strip above lets you scan nearby fares without restarting the search.

Open full search for more control

Route page shows a limited live set. Full search opens the complete inventory with fresh results.

Check fare details

Each result shows baggage, refundability and fare details before you proceed.

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.