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Cheap Flights from Islip to Washington (ISP - WAS)

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1 adult
Note: some airlines charge for infants in laps.
The price shown for each flight will be the average for all passengers including any infants.
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Best fares from ISP to WAS (Found by others)

Sun Mon Tue Wed Thu Fri Sat
        1 $244 2 $189 3 $160
4 $160 5 $193 6 $160 7 $160 8 $224 9 $193 10 $160
11 $317 12 $235 13 $158 14 $158 15 $224 16 $189 17 $160
18 $193 19 $317 20 $224 21 $317 22 $199 23 $199 24 $192
25
$192
26
$192
27
$192
28 $159 29
$159
30 $193 31 $160
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!
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Direct flights ISP to WAS on American Airlines
Flight # Depart ISP Arrive DCA Sun Mon Tue Wed Thu Fri Sat Valid Between
4023 6:15 am 7:38 am Apr 15 - May 21
4023 6:25 am 7:48 am May 22 - May 31
3963 11:35 am 1:01 pm May 25 - May 25
3963 11:50 am 1:19 pm May 4 - May 4
3963 11:50 am 1:19 pm May 11 - May 18
3963 11:50 am 1:19 pm Apr 20 - Apr 27
3944 2:35 pm 4:03 pm May 25 - May 25
3990 3:00 pm 4:23 pm May 3 - May 17
3822 5:45 pm 7:10 pm May 22 - Jun 4
3822 5:50 pm 7:15 pm Apr 15 - May 21
3944 5:50 pm 7:15 pm Apr 20 - May 18