
Most accurate provider | Expedia 2 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $321 (Southwest) |
One-way from | $144 (Southwest) |
Popular in | April |
Cheapest in | November |
Average price | $200 |
Fly from
Fly to
Route
Depart
Return
Price
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Mon 12/1
6:00 pm-12:05 am
1 stop7h 05m
Houston Hobby
Mon 12/8
6:00 am-3:20 pm
2 stops8h 20m
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Fri 12/26
5:40 am-1:45 pm
2 stops9h 05m
Houston Hobby
Sat 1/3
3:10 pm-11:55 pm
2 stops7h 45m
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Fri 12/26
5:40 am-1:45 pm
2 stops9h 05m
Houston Hobby
Sun 1/4
3:55 pm-11:55 pm
2 stops7h 00m
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Tue 11/25
6:55 am-1:40 pm
1 stop7h 45m
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Tue 11/25
11:40 am-7:01 pm
3 stops32h 21m
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Sun 11/16
5:50 am-12:25 pm
1 stop7h 35m
Currently, November is the cheapest month in which you can book a flight from Islip, New York to Galveston (average of $71). Flying from Islip, New York to Galveston in December is currently the most expensive (average of $122). 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.
One of the essential ways to save on airfare from Islip, New York to Galveston is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 70% on airfare.
Food
Boarding
Comfort
Overall
Crew
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
Food
Boarding
Comfort
Overall
Crew
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$343 | Average$446 | FlexibilityNo cancel fee | On-time63% |