When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 65% on flights from Islip, New York to Houston George Bush Intcntl Airport compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $266. For sooner than that we have options available in the next 3 days from $363.
Flights from Islip, New York to Houston George Bush Intcntl Airport lean towards being more expensive in December. Prices are generally better when you fly from Islip, New York to Houston George Bush Intcntl Airport in January, with the cheapest ticket starting at $77.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Houston George Bush Intcntl Airport as you normally would.
Fly from
Fly to
Budget
$183 - $633
Route
Depart
Return
Price
Islip Long IslandHouston George Bush Intcntl
ISP - IAH
ISPIAH
Islip Long Island
Thu 4/11
1 stop14h 15m
Houston George Bush Intcntl
Wed 4/17
1 stop15h 12m
Islip Long IslandHouston George Bush Intcntl
ISP - IAH
ISPIAH
Islip Long Island
Thu 5/30
1 stop10h 34m
Houston George Bush Intcntl
Sun 6/2
1 stop11h 54m
Islip Long IslandHouston George Bush Intcntl
ISP - IAH
ISPIAH
Islip Long Island
Thu 5/16
1 stop9h 47m
Houston George Bush Intcntl
Sun 5/19
1 stop9h 51m
Islip Long IslandHouston George Bush Intcntl
ISP - IAH
ISPIAH
Islip Long Island
Thu 5/30
2 stops18h 15m
Houston George Bush Intcntl
Sun 6/2
1 stop11h 54m
Islip Long IslandHouston George Bush Intcntl
ISP - IAH
ISPIAH
Islip Long Island
Fri 4/12
1 stop9h 48m
Houston George Bush Intcntl
Sun 4/14
1 stop16h 02m
Islip Long IslandHouston George Bush Intcntl
ISP - IAH
ISPIAH
Islip Long Island
Sat 5/18
1 stop26h 07m
Houston George Bush Intcntl
Fri 5/24
1 stop13h 13m
Islip Long IslandHouston George Bush Intcntl
ISP - IAH
ISPIAH
Islip Long Island
Thu 5/23
1 stop10h 34m
Houston George Bush Intcntl
Mon 5/27
1 stop13h 13m
Islip Long IslandHouston George Bush Intcntl
ISP - IAH
ISPIAH
Islip Long Island
Sun 4/21
3 stops30h 11m
Houston George Bush Intcntl
Sun 4/28
2 stops19h 08m
Islip Long IslandHouston George Bush Intcntl
ISP - IAH
ISPIAH
Islip Long Island
Sun 4/21
3 stops30h 11m
Houston George Bush Intcntl
Sun 4/28
3 stops24h 42m
No data available for this route at this time. Please check back soon.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
After delaying the flight more than 3 hours, the flight was canceled. It was impossible to speak to an airline rep directly and no help was given to rebook. We were issued a refund but had to spend an additional $250 for a flight home the next day on a different airline as there were no frontier flights available
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
After delaying the flight more than 3 hours, the flight was canceled. It was impossible to speak to an airline rep directly and no help was given to rebook. We were issued a refund but had to spend an additional $250 for a flight home the next day on a different airline as there were no frontier flights available
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