Cheap flights from Islip, NY (ISP) to Portugal
Find cheap flights from Islip to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Islip to Portugal
Keep the following information in mind while searching for Islip to Portugal flight deals. Data was last updated febrero 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | June |
Cheapest in | January |
Average price | $619 |
Best time to book a flight from Islip to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Islip with our price prediction graph.
Travel insights for flights from Islip to Portugal
Get recent, data-driven insights about flights from Islip to Portugal including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Islip, New York to Portugal?
Currently, January is the cheapest month in which you can book a flight from Islip, New York to Portugal (average of $612). Flying from Islip, New York to Portugal in June is currently the most expensive (average of $1,234). 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 Portugal by month
Plan your trip to Portugal by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.
Temperature in Portugal by month
Plan your trip to Portugal by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).