Redmond

$434+ Cheap flights from Islip, NY to Redmond (ISP - RDM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — RDM
Jun 17 — Jun 241
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Cheap flight deals from Islip to Redmond

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Redmond (RDM). 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 June 12, 2025.

Popular in

December

Cheapest in

October

Average price

$533
Highest demand for flights based on searches. 13% potential increase in price ($83 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from Islip to Redmond

One-way flights from Islip to Redmond
Search for one-way flight options from Islip to Redmond. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

This United deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:30 amISP - RDM
2 stops13h 44mMultiple Airlines
Deal found 6/10$434

Best time to book a flight from Islip to Redmond

Have a flexible travel schedule? Discover the best time to fly to Redmond 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 Redmond

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

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Redmond (average of $336). Flying from Islip, New York to Redmond in July is currently the most expensive (average of $495). 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.

Rainfall in Redmond by month

Plan your trip to Redmond by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Redmond ranges from 0.0 - 0.8 inches per month. January is typically the wettest month, when rainfall can reach 0.8 in. July is typically the driest time to visit Redmond when rainfall is around 0.0 in.

Temperature in Redmond by month

Plan your trip to Redmond by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Redmond, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Related info for your journey

Find useful and relevant information for your journey from Islip to Redmond. 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 Redmond that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Redmond 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 Redmond?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Redmond (average of $336). Flying from Islip, New York to Redmond in July is currently the most expensive (average of $495). 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.

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Traveling to a place near Islip?

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