Round-trip from | $238 |
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To save up to 91% on this flight, we recommend booking at least 57 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Islip, New York to Galveston from $303 1-2 weeks out and tickets from $398 for flights departing within the next 72 hours.
Flights from Islip, New York to Galveston lean towards being more expensive in December. Prices are generally better when you fly from Islip, New York to Galveston in February, with the cheapest ticket starting at $99.
When flying from Islip, New York to Galveston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
IAH Temperature | 53.6 - 84.2 °F |
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If weather is an important factor for your trip to Galveston, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).
Airline | Cheapest | Average | Flexibility | On-time |
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Frontier | Cheapest$185 | Average$262 | FlexibilityNo cancel fee | On-time62% |
Sunday | 0daily flights |
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Monday | 1daily flight |
Tuesday | 1daily flight |
Wednesday | 1daily flight |
Thursday | 1daily flight |
Friday | 1daily flight |
Saturday | 0daily flights |