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Cheap flights from Islip (ISP) to Lisbon (LIS) from $400

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ISP — LIS
Jun 12 — Jun 191
From?
To?
Wed 6/12
Wed 6/19
1 adult, Economy
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How far in advance should I book a flight from Islip, New York to Lisbon?

To save on the cost of your flight from Islip, New York to Lisbon, book at least 12 days before your planned departure. Booking around this time can save you about 6% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $746 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $909.

What is the cheapest month to fly from Islip, New York to Lisbon?

Our data shows that January tends to be the cheapest month to fly to Lisbon from Islip, New York. Users have commonly found prices around $816 for the month, but tickets can be as low as $413. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from ISP to LIS?

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 Lisbon as you normally would.

Cheap Islip to Lisbon flights in June & July 2024

Find cheap flight options from Islip to Lisbon specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Prices were last updated on June 7, 2024.
Thu 7/42:05 pmISP - LIS
2 stops17h 10mMultiple Airlines
Thu 7/118:15 amLIS - ISP
3 stops37h 52mMultiple Airlines
Deal found 6/6$1,611
Thu 7/42:05 pmISP - LIS
3 stops35h 25mMultiple Airlines
Thu 7/118:15 amLIS - ISP
3 stops37h 52mMultiple Airlines
Deal found 6/6$1,766
Fri 6/219:53 amISP - LIS
3 stops20h 12mMultiple Airlines
Sun 6/3010:40 amLIS - ISP
3 stops27h 33mMultiple Airlines
Deal found 6/6$2,602

Islip to Lisbon 2024 flight deals

Discover exclusive flight deals for travel between Islip and Lisbon in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
Thu 7/42:05 pmISP - LIS
2 stops17h 10mMultiple Airlines
Thu 7/118:15 amLIS - ISP
3 stops37h 52mMultiple Airlines
Deal found 6/6$1,611
Thu 7/42:05 pmISP - LIS
3 stops35h 25mMultiple Airlines
Thu 7/118:15 amLIS - ISP
3 stops37h 52mMultiple Airlines
Deal found 6/6$1,766
Fri 6/219:53 amISP - LIS
3 stops20h 12mMultiple Airlines
Sun 6/3010:40 amLIS - ISP
3 stops27h 33mMultiple Airlines
Deal found 6/6$2,602

One-way flights to Lisbon from Islip

Search for one-way flight options from Islip to Lisbon. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
Thu 7/410:23 pmISP - LIS
2 stops39h 47mMultiple Airlines
Deal found 6/6$400
Thu 7/410:23 pmISP - LIS
3 stops43h 02mMultiple Airlines
Deal found 6/6$449

Find flights from Islip to Lisbon within your budget

Customize your flight search to find flights from Islip to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,611 - $1,766

Route

Depart

Return

Price

Islip Long IslandLisbon Humberto Delgado

ISP - LIS

ISPLIS

Islip Long Island

Thu 7/4

2 stops17h 10m

Lisbon Humberto Delgado

Thu 7/11

3 stops37h 52m

$1,611

Islip Long IslandLisbon Humberto Delgado

ISP - LIS

ISPLIS

Islip Long Island

Thu 7/4

3 stops35h 25m

Lisbon Humberto Delgado

Thu 7/11

3 stops37h 52m

$1,766

Flights are sorted by cheapest first

Deals found on 6/6

No data available for this route at this time. Please check back soon.

Best time to book a flight from Islip to Lisbon

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

Related info for your journey

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

  • Can I find flights from Islip, New York to Lisbon for under $1,700 on Cheapflights?

    Yes, there are multiple flights from Islip, New York to Lisbon for under $1,700. The cheapest flight booked recently is on Multiple Airlines for just $1,611, but on average you can expect to pay $1,688.

  • What does ISP to LIS mean?

    Great question - ISP to LIS just means Islip Long Island Airport to Lisbon Humberto Delgado Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Islip to Lisbon that include extra baggage allowance?

    The amount of baggage you can bring on your Islip to Lisbon flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Islip to Lisbon with specific airlines?

    Yes, Cheapflights allows you to browse and filter Islip to Lisbon flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Islip to Lisbon that allow pets onboard?

    Many airlines flying from Islip to Lisbon offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Islip to Lisbon?

    Yes, you can often find last-minute deals on Islip to Lisbon flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Islip, New York to Lisbon flight deals updated?

    The Islip, New York to Lisbon flight deals you see on this page were last updated on 6/6.

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

    Currently, December is the cheapest month in which you can book a flight from Islip, New York to Lisbon (average of $595). Flying from Islip, New York to Lisbon in June is currently the most expensive (average of $1,194). 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

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