Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 2 stars |
Round-trip from | $356 (Southwest) |
One-way from | $196 (Southwest) |
Popular in | December |
Cheapest in | January |
Average price | $417 |
Fly from
Fly to
Route
Depart
Return
Price
SeattleIslip
SEA - ISP
SEAISP
Seattle/Tacoma Intl
Wed 6/25
9:10 pm-9:25 am
1 stop9h 15m
Islip Long Island
Tue 7/1
4:40 pm-12:30 am
2 stops10h 50m
SeattleIslip
SEA - ISP
SEAISP
Seattle/Tacoma Intl
Thu 5/29
3:20 pm-3:19 pm
3 stops20h 59m
Islip Long Island
Mon 6/2
10:44 am-12:10 am
3 stops40h 26m
SeattleIslip
SEA - ISP
SEAISP
Seattle/Tacoma Intl
Mon 9/8
11:10 pm-3:10 pm
2 stops13h 00m
SeattleIslip
SEA - ISP
SEAISP
Seattle/Tacoma Intl
Thu 7/24
11:59 pm-6:45 pm
3 stops39h 46m
Currently, January is the cheapest month in which you can book a flight from Seattle to Islip, New York (average of $108). Flying from Seattle to Islip, New York in November is currently the most expensive (average of $213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Seattle to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.
If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Gina,Apr 2025
LAS - DEN
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Gina,Apr 2025
LAS - DEN