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Flagstaff

Cheap flights from Islip, NY to Flagstaff (ISP - FLG)

ISP — FLG
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Islip to Flagstaff

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Flagstaff (FLG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Popular in

February

Cheapest in

June

Average price

$616
Highest demand for flights based on searches. 6% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Best time to book a flight from Islip to Flagstaff

Have a flexible travel schedule? Discover the best time to fly to Flagstaff from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to Flagstaff

What is the cheapest month to book a flight from Islip, New York to Flagstaff?

Currently, July is the cheapest month in which you can book a flight from Islip, New York to Flagstaff (average of $548). Flying from Islip, New York to Flagstaff in March is currently the most expensive (average of $660). 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.

Related info for your journey

Find useful and relevant information for your journey from Islip to Flagstaff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Islip to Flagstaff that include hotel bookings?

    Yes. In addition to deals on Islip to Flagstaff flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Flagstaff?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Flagstaff.

  • Can I find deals for business class flights from Islip to Flagstaff?

    Yes. Cheapflights offers flight deals from Islip to Flagstaff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Flagstaff?

    Currently, July is the cheapest month in which you can book a flight from Islip, New York to Flagstaff (average of $548). Flying from Islip, New York to Flagstaff in March is currently the most expensive (average of $660). 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.

See more FAQs

Traveling to a place near Flagstaff?

Book flights to Flagstaff if you plan to visit one of these locations
Williams
Winslow

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