Cheap Flights from Islip to Washington (ISP - WAS)

Choose Sites to Compare vs. KAYAK (new windows)  
SEARCH ONE AND DONE. - Compare hundreds of travel sites at once.
Choose where to book.
Find deals on over 400 airlines worldwide.
Compare hundreds of travel sites at once.
Save on your next flight to Washington.

ISP WAS Flight Deals

Sun Mon Tue Wed Thu Fri Sat
            1 $124
2 $135 3 $152 4 $124 5 $152 6 $152 7 $130 8 $124
9 $156 10 $184 11 $124 12 $152 13 $130 14 $130 15 $124
16 $152 17 $184 18 $124 19 $124 20 $130 21 $152 22 $124
23 $160 24 $158 25 $152 26 $124 27 $136 28 $130 29 $124
30 $136            
KAYAK searches hundreds of sites to find the best rate for your next flight from Islip to Washington. Get the best flight deal for your Washington trip!
Here's how it works. Search KAYAK for a flight ticket from Islip to Washington. Sort, filter and compare results on one web page. Then book your plane ticket direct on the airline or travel agent site of your choice!

Direct Flights from Islip to Washington

Use KAYAK to more easily find direct flights from Islip (ISP) to Washington (WAS). Select an airline from the list below to see a weekly schedule of direct flights for that airline.

For a more comprehensive list of direct flight information, visit our direct flights tool.

Select an airline:
Direct flights ISP - WAS on US Airways
Flight # Depart ISP Arrive DCA Sun Mon Tue Wed Thu Fri Sat Valid Between
4049 6:15 am 7:42 am May 16 - May 22
4049 6:15 am 7:40 am May 23 - May 31
3651 11:44 am 1:08 pm May 26 - May 26
4073 5:20 pm 6:43 pm May 23 - May 31
4073 5:20 pm 6:46 pm May 16 - May 22