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Flights from Islip to Washington D.C. Starting at NZD 306

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • ISP21:04
        19h 50m
        1 stop
        IAD16:54
        Fri, Mar 7|Islip - Washington D.C.|Frontier Airlines
        NZD 306NZD 438
        30% OFF
        30% OFF
        NZD 438NZD 306

        Choose Frontier Airlines flights from Islip to Washington D.C.. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Fri, Mar 7, arriving at Dulles International Airport. One-way Prices start from NZD 306 including taxes and charges.

      • ISP01:00 pm
        3h 5m
        Nonstop
        WAS02:00 pm
        Wed, Jan 8|Islip - Washington D.C.|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Islip to Washington D.C.

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From NZD 306

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Alternative Routes from Islip to Washington D.C.

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Islip to Washington D.C..

  • Cheapest
    Frontier Airlines
    ISP
    21:04
    19h 50m
    1 transfer
    IAD
    16:54
    Long Island Macarthur Airport - Dulles International Airport
    Fri, Mar 7Frontier Airlines
    NZD 306
  • Frontier Airlines
    ISP
    21:04
    24h 55m
    1 transfer
    DCA
    21:59
    Long Island Macarthur Airport - Ronald Reagan Washington National Airport
    Fri, Mar 7Frontier Airlines
    NZD 335
  • Frontier Airlines
    ISP
    21:04
    24h 55m
    1 transfer
    DCA
    21:59
    Long Island Macarthur Airport - Ronald Reagan Washington National Airport
    Fri, Mar 7Frontier Airlines
    NZD 335
    Find More Flights

FAQ

  • When are flight tickets from Islip (ISP) to Washington D.C. (WAS) the cheapest?

    Airlines adjust prices for flights from Islip to Washington D.C. based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Islip (ISP) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around NZD 524.

  • How long does it take to fly from Islip (ISP) to Washington D.C. (WAS) and what is the distance?

    It takes around 1 hour 18 minutes to fly from Islip (ISP) to Washington D.C. (WAS).

  • What are the most popular airlines that fly from Islip (ISP) to Washington D.C. (WAS)?

    Airlines with flights from Islip (ISP) to Washington D.C. (WAS): Southwest Airlines.

How to find a cheap flight from Islip to Washington D.C.

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Islip to Washington D.C.. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
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Flight Information from Islip to Washington D.C.

Cheapest nonstop flight priceNZD 306
Off-season for travelMarch
Peak season for travelNovember
Flight distance397.38 km
Average flight time1 hour 18 minutes

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