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Cheap flights from Islip, New York to Lisbon from $1,359

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Islip, New York to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:25 pm - 9:20 pmISP  Islip Long Island-LIS Lisbon Humberto Delgado
45h 55m2 stops Orlando London Gatwick
Multiple Airlines Logo
12:00 pm - 7:45 pmLIS  Lisbon Humberto Delgado-ISP Islip Long Island
12h 45m1 stop Boston Logan Intl
$1,359Multiple Airlines
Thu, Oct 8 - Thu, Oct 15
Multiple Airlines Logo
4:50 pm - 11:50 amISP  Islip Long Island-LIS Lisbon Humberto Delgado
14h 00m2 stops Boston Logan Intl Madrid Barajas
Multiple Airlines Logo
8:25 am - 7:45 pmLIS  Lisbon Humberto Delgado-ISP Islip Long Island
16h 20m2 stops Madrid Barajas Boston Logan Intl
$1,717Multiple Airlines
Thu, Oct 8 - Thu, Oct 15
Multiple Airlines Logo
4:50 pm - 9:55 amISP  Islip Long Island-LIS Lisbon Humberto Delgado
12h 05m1 stop Boston Logan Intl
Multiple Airlines Logo
12:00 pm - 7:45 pmLIS  Lisbon Humberto Delgado-ISP Islip Long Island
12h 45m1 stop Boston Logan Intl
$1,774Multiple Airlines
Thu, Oct 8 - Thu, Oct 15

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Cheapest round-trip

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Thu 10/8

6:25 pm-9:20 pm

2 stops45h 55m

Lisbon Humberto Delgado

Thu 10/15

12:00 pm-7:45 pm

1 stop12h 45m

$1,359

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Thu 10/8

4:50 pm-11:50 am

2 stops14h 00m

Lisbon Humberto Delgado

Thu 10/15

8:25 am-7:45 pm

2 stops16h 20m

$1,717
Quickest round-trip

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Thu 10/8

4:50 pm-9:55 am

1 stop12h 05m

Lisbon Humberto Delgado

Thu 10/15

12:00 pm-7:45 pm

1 stop12h 45m

$1,774

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Lisbon from

How to get the cheapest flight ticket from Islip, New York to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $728. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Islip, New York to Lisbon for around $840.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $761. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $777 on average. Flights to Lisbon from Islip, New York in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Islip, New York to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Lisbon (ISP to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Lisbon

Best Price Found

$1,359

Fastest flight time

45h 55m

Direct flights

None
The best flight deal from Islip, New York to Lisbon found on momondo in the last 72 hours is $1,359
The fastest flight from Islip, New York to Lisbon takes 45h 55m
There are no direct flights from Islip, New York to Lisbon. There are no popular flight routes from Islip, New York to Lisbon.
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Frequently asked questions about flying from Islip, New York to Lisbon

  • How far is Islip Long Island to Lisbon Humberto Delgado by plane?

    A flight from Islip Long Island to Lisbon Humberto Delgado will travel around 3327.5 mi. 45h 55m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Islip Long Island Airport to Lisbon Humberto Delgado Airport?

    Prices for flights from Islip Long Island Airport to Lisbon Humberto Delgado Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Islip Long Island Airport to Lisbon Humberto Delgado Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The necessary travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Figueira da Foz
Nazaré
Setúbal
Estoril
Evora
Ericeira
Óbidos
Batalha
Leiria
Peniche
Oeiras
Sesimbra
Zambujeira do Mar
Comporta
Sines
Caldas da Rainha
Costa da Caparica
Tomar

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Lisbon?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Lisbon from Islip.

Can I find flights from Islip to Lisbon with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Lisbon from Islip with this policy.

How can momondo help me find flights from Islip to Lisbon?

Once all potential Islip to Lisbon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Islip to Lisbon right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Lisbon, momondo offers a useful price alert feature which will track prices for flights to Lisbon from Islip and alert you when they change.

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