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Cheap flights from Islip, New York to Lisbon from $621

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
4:43 pm - 10:30 amISP  Islip Long Island-LIS Lisbon Humberto Delgado
12h 47m1 stop Orlando
Multiple Airlines Logo
10:55 am - 1:49 pmLIS  Lisbon Humberto Delgado-ISP Islip Long Island
31h 54m2 stops Toronto Pearson Intl Orlando
$1,558Multiple Airlines
Sat, Nov 28 - Sat, Dec 5
Multiple Airlines Logo
4:43 pm - 10:30 amISP  Islip Long Island-LIS Lisbon Humberto Delgado
12h 47m1 stop Orlando
Multiple Airlines Logo
10:55 am - 1:49 pmLIS  Lisbon Humberto Delgado-ISP Islip Long Island
31h 54m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Orlando
$1,626Multiple Airlines
Sat, Nov 28 - Sat, Dec 5
Multiple Airlines Logo
6:00 am - 5:25 amISP  Islip Long Island-LIS Lisbon Humberto Delgado
18h 25m2 stops Fort Lauderdale Newark
Multiple Airlines Logo
11:55 am - 9:47 amLIS  Lisbon Humberto Delgado-ISP Islip Long Island
26h 52m2 stops Newark Orlando
$1,644Multiple Airlines
Tue, Nov 24 - Tue, Dec 1
Multiple Airlines Logo
12:10 pm - 10:30 amISP  Islip Long Island-LIS Lisbon Humberto Delgado
17h 20m1 stop Orlando
Multiple Airlines Logo
2:20 pm - 9:59 amLIS  Lisbon Humberto Delgado-ISP Islip Long Island
24h 39m1 stop Orlando
$1,892Multiple Airlines
Sat, Nov 28 - Sat, Dec 5
Multiple Airlines Logo
4:43 pm - 8:20 pmISP  Islip Long Island-LIS Lisbon Humberto Delgado
22h 37m3 stops Orlando Munich Franz Josef Strauss Venice Marco Polo
Multiple Airlines Logo
10:55 am - 1:49 pmLIS  Lisbon Humberto Delgado-ISP Islip Long Island
31h 54m2 stops Toronto Pearson Intl Orlando
$1,960Multiple Airlines
Sat, Nov 28 - Sat, Dec 5
Multiple Airlines Logo
4:43 pm - 8:20 pmISP  Islip Long Island-LIS Lisbon Humberto Delgado
22h 37m3 stops Orlando Munich Franz Josef Strauss Venice Marco Polo
Multiple Airlines Logo
10:55 am - 1:49 pmLIS  Lisbon Humberto Delgado-ISP Islip Long Island
31h 54m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Orlando
$2,027Multiple Airlines
Sat, Nov 28 - Sat, Dec 5

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Use the filters below to find and compare flights from Islip, New York to Lisbon that are best for you.

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Price

Cheapest round-trip

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Sat 11/28

4:43 pm-10:30 am

1 stop12h 47m

Lisbon Humberto Delgado

Sat 12/5

10:55 am-1:49 pm

2 stops31h 54m

$1,558

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Sat 11/28

4:43 pm-10:30 am

1 stop12h 47m

Lisbon Humberto Delgado

Sat 12/5

10:55 am-1:49 pm

3 stops31h 54m

$1,626

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Tue 11/24

6:00 am-5:25 am

2 stops18h 25m

Lisbon Humberto Delgado

Tue 12/1

11:55 am-9:47 am

2 stops26h 52m

$1,644
Quickest round-trip

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Sat 11/28

12:10 pm-10:30 am

1 stop17h 20m

Lisbon Humberto Delgado

Sat 12/5

2:20 pm-9:59 am

1 stop24h 39m

$1,892

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Sat 11/28

4:43 pm-8:20 pm

3 stops22h 37m

Lisbon Humberto Delgado

Sat 12/5

10:55 am-1:49 pm

2 stops31h 54m

$1,960

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Sat 11/28

4:43 pm-8:20 pm

3 stops22h 37m

Lisbon Humberto Delgado

Sat 12/5

10:55 am-1:49 pm

3 stops31h 54m

$2,027
Cheapest one-way

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Sun 11/15

6:00 am-1:00 pm

1 stop26h 00m

$621
Quickest one-way

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Thu 11/12

6:00 am-5:45 am

1 stop18h 45m

$705

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Sun 11/15

6:33 pm-10:40 am

2 stops35h 07m

$744

IslipLisbon

ISP Islip Long Island - LIS Lisbon Humberto Delgado

ISPLIS

Islip Long Island

Thu 11/12

6:00 am-12:05 pm

2 stops25h 05m

$806

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 Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $740. 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 $859.

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 $775. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $792 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

$621

Fastest flight time

18h 25m

Direct flights

None
The best one-way flight to Lisbon from Islip, New York in the past 72 hours is $621. The best round-trip flight deal from Islip, New York to Lisbon found on momondo in the last 72 hours is $1,558.
The fastest flight from Islip, New York to Lisbon takes 18h 25m
There are no direct flights from Islip, New York to Lisbon. There are no popular flight routes from Islip, New York to Lisbon.
Search flight deals

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. 18h 25m 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
Setúbal
Figueira da Foz
Nazaré
Evora
Estoril
Fátima
Óbidos
Sesimbra
Batalha
Leiria
Sines
Caldas da Rainha
Comporta
Ericeira
Oeiras
Costa da Caparica
Tomar
Torres Vedras
Beja

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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