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Islip to Washington D.C. flight
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Long Island Macarthur Airport to Dulles International Airport flight

Search for flights from Islip to Washington D.C. and check out affordable one-way and round-trip options.

      • ISP 7:50 PM
        21h 25m
        1 stop
        IAD 5:15 PM
        Islip - Washington D.C. | Fri, Jun 12 | Frontier Airlines
        IAD 12:32 PM
        6h 33m
        1 stop
        ISP 7:05 PM
        Washington D.C. - Islip | Mon, Jun 15 | Frontier Airlines
        TRY 10,952 TRY 26,746
        59% off
        59% off
        TRY 26,746 TRY 10,952
      • ISP 4:41 PM
        20h 12m
        1 stop
        IAD 12:53 PM
        Islip - Washington D.C. | Tue, Jun 9 | Frontier Airlines
        IAD 1:23 PM
        7h 34m
        1 stop
        ISP 8:57 PM
        Washington D.C. - Islip | Sat, Jun 13 | Frontier Airlines
        TRY 13,925 TRY 26,746
        48% off
        48% off
        TRY 26,746 TRY 13,925
      • ISP 9:52 PM
        15h 1m
        1 stop
        IAD 12:53 PM
        Islip - Washington D.C. | Mon, Jun 22 | Frontier Airlines
        IAD 1:38 PM
        7h 19m
        1 stop
        ISP 8:57 PM
        Washington D.C. - Islip | Sun, Jun 28 | Frontier Airlines
        TRY 14,027 TRY 26,746
        48% off
        48% off
        TRY 26,746 TRY 14,027
      • ISP 11:00 AM
        7h 42m
        1 stop
        IAD 6:42 PM
        Islip - Washington D.C. | Fri, May 29 | Frontier Airlines
        IAD 4:01 PM
        18h 4m
        1 stop
        ISP 10:05 AM
        Washington D.C. - Islip | Tue, Jun 2 | Frontier Airlines
        TRY 14,142
        47% off
        TRY 26,746 TRY 14,142
      • ISP 11:00 AM
        7h 42m
        1 stop
        IAD 6:42 PM
        Islip - Washington D.C. | Mon, Jun 8 | Frontier Airlines
        IAD 1:38 PM
        7h 19m
        1 stop
        ISP 8:57 PM
        Washington D.C. - Islip | Fri, Jun 12 | Frontier Airlines
        TRY 14,677
        45% off
        TRY 26,746 TRY 14,677
      • ISP 11:00 AM
        7h 42m
        1 stop
        IAD 6:42 PM
        Islip - Washington D.C. | Sun, Jun 7 | Frontier Airlines
        IAD 1:38 PM
        7h 19m
        1 stop
        ISP 8:57 PM
        Washington D.C. - Islip | Thu, Jun 11 | Frontier Airlines
        TRY 16,106
        40% off
        TRY 26,746 TRY 16,106
      • ISP 11:00 AM
        28h 16m
        1 stop
        IAD 3:16 PM
        Islip - Washington D.C. | Mon, Jun 1 | Frontier Airlines
        IAD 7:27 PM
        14h 38m
        1 stop
        ISP 10:05 AM
        Washington D.C. - Islip | Thu, Jun 4 | Frontier Airlines
        TRY 17,596
        34% off
        TRY 26,746 TRY 17,596
      • ISP 11:00 AM
        7h 32m
        1 stop
        IAD 6:32 PM
        Islip - Washington D.C. | Sat, Jun 6 | Frontier Airlines
        IAD 12:32 PM
        6h 33m
        1 stop
        ISP 7:05 PM
        Washington D.C. - Islip | Fri, Jun 12 | Frontier Airlines
        TRY 19,614
        27% off
        TRY 26,746 TRY 19,614
      • ISP 9:52 PM
        15h 1m
        1 stop
        IAD 12:53 PM
        Islip - Washington D.C. | Wed, Jun 17 | Frontier Airlines
        IAD 12:32 PM
        6h 33m
        1 stop
        ISP 7:05 PM
        Washington D.C. - Islip | Fri, Jun 19 | Frontier Airlines
        TRY 22,310
        17% off
        TRY 26,746 TRY 22,310
      • ISP 11:00 AM
        7h 42m
        1 stop
        IAD 6:42 PM
        Islip - Washington D.C. | Sun, May 31 | Frontier Airlines
        IAD 5:07 PM
        16h 58m
        1 stop
        ISP 10:05 AM
        Washington D.C. - Islip | Wed, Jun 3 | Frontier Airlines
        TRY 24,071
        10% off
        TRY 26,746 TRY 24,071
      • ISP 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Islip - Washington D.C. | Sat, May 30 | Normal Airline
        WAS 3:00 PM
        6h
        Nonstop
        ISP 4:00 PM
        Washington D.C. - Islip | Mon, Jun 1 | Normal Airline
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      • ISP 4:41 PM
        20h 12m
        1 stop
        IAD 12:53 PM
        Islip - Washington D.C. | Sun, Jun 21 | Frontier Airlines
        TRY 4,653 TRY 14,224
        67% off
        67% off
        TRY 14,224 TRY 4,653
      • ISP 9:52 PM
        15h 1m
        1 stop
        IAD 12:53 PM
        Islip - Washington D.C. | Mon, Jun 15 | Frontier Airlines
        TRY 5,405 TRY 14,224
        62% off
        62% off
        TRY 14,224 TRY 5,405
      • ISP 9:52 PM
        15h 1m
        1 stop
        IAD 12:53 PM
        Islip - Washington D.C. | Tue, Jun 16 | Frontier Airlines
        TRY 5,412 TRY 14,224
        62% off
        62% off
        TRY 14,224 TRY 5,412
      • ISP 9:52 PM
        15h 1m
        1 stop
        IAD 12:53 PM
        Islip - Washington D.C. | Fri, Jun 19 | Frontier Airlines
        TRY 5,561
        61% off
        TRY 14,224 TRY 5,561
      • ISP 4:41 PM
        20h 12m
        1 stop
        IAD 12:53 PM
        Islip - Washington D.C. | Sun, Jun 14 | Frontier Airlines
        TRY 6,306
        56% off
        TRY 14,224 TRY 6,306
      • ISP 11:00 AM
        7h 42m
        1 stop
        IAD 6:42 PM
        Islip - Washington D.C. | Sat, Jun 13 | Frontier Airlines
        TRY 6,428
        55% off
        TRY 14,224 TRY 6,428
      • ISP 9:52 PM
        15h 1m
        1 stop
        IAD 12:53 PM
        Islip - Washington D.C. | Mon, Jun 22 | Frontier Airlines
        TRY 6,482
        54% off
        TRY 14,224 TRY 6,482
      • ISP 7:50 PM
        21h 25m
        1 stop
        IAD 5:15 PM
        Islip - Washington D.C. | Wed, Jun 24 | Frontier Airlines
        TRY 6,699
        53% off
        TRY 14,224 TRY 6,699
      • ISP 9:52 PM
        15h 1m
        1 stop
        IAD 12:53 PM
        Islip - Washington D.C. | Sat, Jul 4 | Frontier Airlines
        TRY 7,816
        45% off
        TRY 14,224 TRY 7,816
      • ISP 11:00 AM
        7h 42m
        1 stop
        IAD 6:42 PM
        Islip - Washington D.C. | Wed, Jun 3 | Frontier Airlines
        TRY 12,801
        10% off
        TRY 14,224 TRY 12,801
      • ISP 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Islip - Washington D.C. | Sat, May 30 | Normal Airline
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Displayed flight fares from Long Island Macarthur Airport to Dulles International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Selected Airlines from Long Island Macarthur Airport to Dulles International Airport

See which airlines fly from Islip to Washington D.C.. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From TRY 4,653
Cape Air
From TRY 16,607

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Flight Schedule from Long Island Macarthur Airport to Dulles International Airport

Check the schedule for flights from Islip to Washington D.C. and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. 9K212

    Long Island Macarthur Airport

    11:53 AM

    ISP

    1h 27m

    Nonstop

    1:20 PM

    BOS

    S M T W T F S
    Search

  2. DL5808

    Boston Logan International Airport

    1:34 PM

    BOS

    1h 35m

    Nonstop

    3:09 PM

    JFK

    S M T W T F S

  3. DL5792

    John F Kennedy Intl. Airport

    5:11 PM

    JFK

    1h 42m

    Nonstop

    6:53 PM

    IAD

    S M T W T F S

  4. 9K210

    Long Island Macarthur Airport

    7:30 AM

    ISP

    1h 27m

    Nonstop

    8:57 AM

    BOS

    S M T W T F S
    Search

  5. UA721

    Boston Logan International Airport

    2:16 PM

    BOS

    1h 48m

    Nonstop

    4:04 PM

    IAD

    S M T W T F S

  6. 9K210

    Long Island Macarthur Airport

    7:30 AM

    ISP

    1h 27m

    Nonstop

    8:57 AM

    BOS

    S M T W T F S
    Search

  7. DL5808

    Boston Logan International Airport

    1:34 PM

    BOS

    1h 35m

    Nonstop

    3:09 PM

    JFK

    S M T W T F S

  8. DL5792

    John F Kennedy Intl. Airport

    5:11 PM

    JFK

    1h 42m

    Nonstop

    6:53 PM

    IAD

    S M T W T F S

  9. F92149

    Long Island Macarthur Airport

    6:02 PM

    ISP

    3h 4m

    Nonstop

    9:06 PM

    MCO

    - M - - - - -
    Search

  10. F91563

    Orlando Intl. Airport

    7:45 AM

    MCO

    1h 56m

    Nonstop

    9:41 AM

    ATL

    S M T W T F S

  11. F91082

    Hartsfield-Jackson Atlanta International Airport

    8:17 AM

    ATL

    1h 55m

    Nonstop

    10:12 AM

    IAD

    S M T W T F S

  12. 9K210

    Long Island Macarthur Airport

    7:30 AM

    ISP

    1h 27m

    Nonstop

    8:57 AM

    BOS

    S M T W T F S
    Search

  13. UA2136

    Boston Logan International Airport

    7:35 PM

    BOS

    1h 34m

    Nonstop

    9:09 PM

    IAD

    S M T W T F S

  14. 9K214

    Long Island Macarthur Airport

    2:19 PM

    ISP

    1h 27m

    Nonstop

    3:46 PM

    BOS

    S M T W T F S
    Search

  15. UA1734

    Boston Logan International Airport

    5:45 AM

    BOS

    1h 38m

    Nonstop

    7:23 AM

    IAD

    S M T W T F S

  16. F92149

    Long Island Macarthur Airport

    6:02 PM

    ISP

    3h 4m

    Nonstop

    9:06 PM

    MCO

    - M - - - - -
    Search

  17. F94230

    Orlando Intl. Airport

    10:10 AM

    MCO

    2h 18m

    Nonstop

    12:28 PM

    IAD

    S M T W T F S

  18. F93941

    Long Island Macarthur Airport

    11:00 AM

    ISP

    2h 54m

    Nonstop

    1:54 PM

    MCO

    S - T W T F S
    Search

  19. F94230

    Orlando Intl. Airport

    10:10 AM

    MCO

    2h 18m

    Nonstop

    12:28 PM

    IAD

    S M T W T F S

  20. 9K212

    Long Island Macarthur Airport

    11:53 AM

    ISP

    1h 27m

    Nonstop

    1:20 PM

    BOS

    S M T W T F S
    Search

  21. UA1734

    Boston Logan International Airport

    5:45 AM

    BOS

    1h 38m

    Nonstop

    7:23 AM

    IAD

    S M T W T F S

  22. 9K210

    Long Island Macarthur Airport

    7:30 AM

    ISP

    1h 27m

    Nonstop

    8:57 AM

    BOS

    S M T W T F S
    Search

  23. UA1734

    Boston Logan International Airport

    5:45 AM

    BOS

    1h 38m

    Nonstop

    7:23 AM

    IAD

    S M T W T F S
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Long Island Macarthur Airport to Dulles International Airport Flights Info

Flight distance424.09 km
Cheapest one-way ticket priceTRY 4,653
Cheapest return ticket priceTRY 10,952

FAQs for Long Island Macarthur Airport to Dulles International Airport Flights

  • How long is a flight from Long Island Macarthur Airport to Dulles International Airport?

    It takes around 1 hour 48 minutes to fly from Long Island Macarthur Airport (isp) to Dulles International Airport (iad).
  • There are around 2 daily flights from Long Island Macarthur Airport (ISP) to Dulles International Airport (IAD).
  • Tickets cost around TRY 126,631 in February, making it the cheapest month to book. Long Island Macarthur Airport (ISP) to Dulles International Airport (IAD) is a popular route, so don't forget to book your tickets in advance.
  • The route from Long Island Macarthur Airport (ISP) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around TRY 126,631 in February, the most expensive month to book this route.
  • The earliest flight departs from Long Island Macarthur Airport (ISP) at 07:57 and arrives in Dulles International Airport (IAD) at 09:45.
  • Hopscotch Air is a very popular airline operating an average of 1 flights per month.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.