Cheap flights from Washington, D.C. to Islip from $330

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1 stop
Thu, Jul 3
Washington, D.C. IADIslip ISP

$330
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1 stop
Wed, Jul 2
Washington, D.C. IADIslip ISP

$341
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1 stop
Wed, Jul 2
Washington, D.C. IADIslip ISP

$395
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2 stops
Thu, Jul 3
Washington, D.C. DCAIslip ISP

$408
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1 stop
Wed, Jul 2
Washington, D.C. IADIslip ISP

$437
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2 stops
Thu, Jul 3
Washington, D.C. DCAIslip ISP

$446
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1 stop
Thu, Jul 3 – Mon, Jul 7
Washington, D.C. IADIslip ISP

$1,554
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1 stop
Thu, Jul 3 – Mon, Jul 7
Washington, D.C. IADIslip ISP

$1,618
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1 stop
Thu, Jul 3 – Mon, Jul 7
Washington, D.C. IADIslip ISP

$1,636
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1 stop
Thu, Jul 3 – Mon, Jul 7
Washington, D.C. IADIslip ISP

$1,700
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1 stop
Thu, Jul 3 – Sun, Jul 6
Washington, D.C. IADIslip ISP

$1,830
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1 stop
Thu, Jul 3 – Sun, Jul 6
Washington, D.C. IADIslip ISP

$2,599
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How much do flights to Islip cost?

Key info about flying to Islip

Depart from
Washington Dulles International
Arrive to
Long Island MacArthur
Average flights per week
1
Flight distance
Worth visiting
Staten Island - Manhattan Island - Statue of Liberty - Empire State Building - Metropolitan Museum of Art - Times Square

Check-in for a flight from Washington, D.C. to Islip

NameCarrier codeIATA CodePassport needed during booking
BREEZE MXNo

Weather in Islip

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-1°C
February4°C-1°C
March7°C2°C
April12°C7°C
May17°C12°C
June22°C17°C
July26°C21°C
August26°C21°C
September22°C18°C
October17°C13°C
November11°C6°C
December7°C2°C
Hottest Month
26°C
July
Coldest month
-1°C
January
Sunny days
276
days per year
Snow days
8
days per year

14 day forecast

Friday
6 Jun
24°C17°C
13 Jun
28°C20°C
Saturday
7 Jun
88%
26°C18°C
14 Jun
26°C21°C
Sunday
8 Jun
19°C15°C
15 Jun
86%
27°C19°C
Monday
9 Jun
82%
25°C14°C
16 Jun
89%
17°C17°C
Tuesday
10 Jun
89%
21°C16°C
17 Jun
78%
23°C17°C
Wednesday
11 Jun
87%
24°C18°C
18 Jun
28°C20°C
Thursday
12 Jun
26°C19°C
19 Jun
27°C20°C
Travelers usually depart from Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National when they travel from Washington, D.C. to Islip. The most popular airline for this route is BREEZE. Washington, D.C. and Islip have 1 direct flights per week. When you arrive at Islip, consider visiting Staten Island, Manhattan Island, Statue of Liberty, Empire State Building, Metropolitan Museum of Art, and Times Square.

Frequently asked questions

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