Cheap flight from Washington D.C. to Islip from PHP 5,521
Here are our top budget-friendly flights, offering flexible one-way or round-trip options. Additional flights with other timings and airlines are also available.
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Flights from Washington D.C. to Islip
Cheap flight deals from Washington D.C. to Islip
Here are our top budget-friendly flights, offering flexible one-way or round-trip options. Additional flights with other timings and airlines are also available.
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Round-trip
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One way
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IAD 11:02 AM9h 9m1 stopsISP 8:11 PMWashington D.C. - Islip | Sat, May 31 | Frontier Airlines
ISP 8:26 PM16h 23m1 stopsIAD 12:49 PMIslip - Washington D.C. | Sun, Jun 1 | Frontier AirlinesPHP 11,940 PHP 19,21638% OFF38% OFFPHP 19,216 PHP 11,940 -
IAD 1:34 PM6h 7m1 stopsISP 7:41 PMWashington D.C. - Islip | Thu, Jun 5 | Frontier Airlines
ISP 8:51 AM8h 21m1 stopsIAD 5:12 PMIslip - Washington D.C. | Mon, Jun 9 | Frontier AirlinesPHP 12,630 PHP 19,21634% OFF34% OFFPHP 19,216 PHP 12,630
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DCA 4:15 PM5h 13m1 stopsISP 9:28 PMWashington D.C. - Islip | Sat, Jun 7 | Jetblue Airways
ISP 8:21 PM16h 23m1 stopsIAD 12:44 PMIslip - Washington D.C. | Sat, Jun 14 | Frontier AirlinesPHP 12,661 PHP 19,21634% OFF34% OFFPHP 19,216 PHP 12,661 -
DCA 4:15 PM5h 13m1 stopsISP 9:28 PMWashington D.C. - Islip | Tue, May 6 | Jetblue Airways
ISP 9:47 PM10h 37m1 stopsIAD 8:24 AMIslip - Washington D.C. | Sun, May 11 | Frontier AirlinesPHP 12,84533% OFFPHP 19,216 PHP 12,845
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IAD 9:14 AM6h 19m1 stopsISP 3:33 PMWashington D.C. - Islip | Thu, May 8 | Frontier Airlines
ISP 5:23 PM17h 31m1 stopsIAD 10:54 AMIslip - Washington D.C. | Fri, May 9 | Frontier AirlinesPHP 12,90633% OFFPHP 19,216 PHP 12,906
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DCA 7:00 AM9h 50m1 stopsISP 4:50 PMWashington D.C. - Islip | Sat, May 10 | Jetblue Airways
ISP 7:15 PM21h 21m1 stopsIAD 4:36 PMIslip - Washington D.C. | Wed, May 14 | Frontier AirlinesPHP 14,89322% OFFPHP 19,216 PHP 14,893
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IAD 1:17 PM6h 17m1 stopsISP 7:34 PMWashington D.C. - Islip | Fri, May 30 | Frontier Airlines
ISP 6:00 AM5h1 stopsDCA 11:00 AMIslip - Washington D.C. | Wed, Jun 4 | Jetblue AirwaysPHP 14,95422% OFFPHP 19,216 PHP 14,954
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IAD 8:50 AM9h 35m1 stopsISP 6:25 PMWashington D.C. - Islip | Sat, May 10 | United Airlines
ISP 7:15 PM21h 21m1 stopsIAD 4:36 PMIslip - Washington D.C. | Wed, May 14 | Frontier AirlinesPHP 15,43720% OFFPHP 19,216 PHP 15,437 -
DCA 4:15 PM5h 13m1 stopsISP 9:28 PMWashington D.C. - Islip | Wed, May 21 | Jetblue Airways
ISP 6:00 AM5h1 stopsDCA 11:00 AMIslip - Washington D.C. | Sun, May 25 | Jetblue AirwaysPHP 15,46820% OFFPHP 19,216 PHP 15,468
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IAD 11:33 AM8h 47m1 stopsISP 8:20 PMWashington D.C. - Islip | Sat, Jun 7 | Frontier Airlines
ISP 8:21 PM16h 23m1 stopsIAD 12:44 PMIslip - Washington D.C. | Sat, Jun 14 | Frontier AirlinesPHP 16,71813% OFFPHP 19,216 PHP 16,718
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WAS 1:00 PM17h 25m1 stopsISP Invalid DateWashington D.C. - Islip | Thu, May 8 | Normal Airline
ISP 3:00 PM6hNonstopWAS 4:00 PMIslip - Washington D.C. | Sat, May 10 | Normal AirlineFind More FlightsFind More Flights
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IAD 5:26 PM16h 46m1 stopsISP 10:12 AMWashington D.C. - Islip | Sun, May 18 | Frontier AirlinesPHP 5,521 PHP 8,19833% OFF33% OFFPHP 8,198 PHP 5,521
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IAD 5:26 PM17h 15m1 stopsISP 10:41 AMWashington D.C. - Islip | Mon, May 12 | Frontier AirlinesPHP 6,074 PHP 8,19826% OFF26% OFFPHP 8,198 PHP 6,074
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DCA 3:15 PM5h 53m1 stopsISP 9:08 PMWashington D.C. - Islip | Tue, May 6 | Jetblue AirwaysPHP 6,150 PHP 8,19825% OFF25% OFFPHP 8,198 PHP 6,150
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DCA 3:15 PM5h 53m1 stopsISP 9:08 PMWashington D.C. - Islip | Tue, May 13 | Jetblue AirwaysPHP 6,15825% OFFPHP 8,198 PHP 6,158
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IAD 9:48 AM9h 48m1 stopsISP 7:36 PMWashington D.C. - Islip | Thu, Jun 12 | Frontier AirlinesPHP 6,28123% OFFPHP 8,198 PHP 6,281
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DCA 4:15 PM5h 13m1 stopsISP 9:28 PMWashington D.C. - Islip | Wed, Jun 4 | Jetblue AirwaysPHP 6,51121% OFFPHP 8,198 PHP 6,511
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IAD 5:26 PM17h 15m1 stopsISP 10:41 AMWashington D.C. - Islip | Fri, May 16 | Frontier AirlinesPHP 6,54120% OFFPHP 8,198 PHP 6,541
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IAD 9:14 AM6h 19m1 stopsISP 3:33 PMWashington D.C. - Islip | Thu, May 15 | Frontier AirlinesPHP 7,09413% OFFPHP 8,198 PHP 7,094
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IAD 5:26 PM16h 46m1 stopsISP 10:12 AMWashington D.C. - Islip | Mon, May 19 | Frontier AirlinesPHP 7,10113% OFFPHP 8,198 PHP 7,101
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DCA 6:59 AM14h 9m1 stopsISP 9:08 PMWashington D.C. - Islip | Tue, May 13 | Delta Air LinesPHP 7,13213% OFFPHP 8,198 PHP 7,132 -
WAS 1:00 PM17h 25m1 stopsISP Invalid DateWashington D.C. - Islip | Thu, May 8 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Frequently Asked Questions
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When are flight tickets from Washington D.C. (WAS) to Islip (ISP) the cheapest?
Airlines adjust prices for flights from Washington D.C. to Islip 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 Washington D.C. (WAS) to Islip (ISP) cost?
According to Trip.com's data, the lowest price is around PHP 19,501.
How to find a cheap flight from Washington D.C. to Islip
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 Washington D.C. to Islip. Book your flights at the right time and save more.
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Flying from Washington D.C. to Islip
| Cheapest one-way flight price | PHP 5,521 |
|---|---|
| Off-season for travel | March |
| Peak season for travel | February |
| Flight distance | 397.38 km |
| Popular airline | Jetblue Airways |
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