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Cheap flights from Lisbon to Philadelphia from $378

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Philadelphia departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Lisbon to Philadelphia (LIS-PHL)

Cheap round-trip flights

Aer Lingus Logo
10:15 pm - 7:00 pmLIS-PHL
25h 45m1 stop
Aer Lingus Logo
8:30 pm - 9:35 pmPHL-LIS
20h 05m1 stop
$640Aer Lingus
Find Deal
Tue, Oct 7 - Tue, Oct 14
Logo
7:10 am - 7:00 pmLIS-PHL
16h 50m1 stop
Logo
8:30 pm - 9:35 pmPHL-LIS
20h 05m1 stop
$645
Find Deal
Sat, Oct 4 - Sat, Oct 11
Logo
9:25 am - 7:00 pmLIS-PHL
14h 35m1 stop
Logo
8:30 pm - 8:55 pmPHL-LIS
19h 25m1 stop
$684
Find Deal
Fri, Oct 3 - Fri, Oct 10
Iberia Logo
10:05 pm - 4:50 pmLIS-PHL
23h 45m1 stop
Iberia Logo
9:25 pm - 9:05 amPHL-LIS
6h 40mnonstop
$719Iberia
Find Deal
Tue, Oct 7 - Tue, Oct 14
Finnair Logo
11:05 am - 2:05 pmLIS-PHL
8h 00mnonstop
Finnair Logo
10:15 pm - 11:10 pmPHL-LIS
19h 55m1 stop
$748Finnair
Find Deal
Thu, Oct 9 - Sat, Oct 18
American Airlines Logo
11:05 am - 1:50 pmLIS-PHL
7h 45mnonstop
American Airlines Logo
10:15 pm - 11:05 pmPHL-LIS
19h 50m1 stop
$750American Airlines
Find Deal
Fri, Sep 5 - Sun, Sep 14
Iberia Logo
10:10 pm - 3:20 pmLIS-PHL
22h 10m1 stop
Iberia Logo
8:00 pm - 8:05 pmPHL-LIS
19h 05m1 stop
$758Iberia
Find Deal
Wed, Dec 3 - Sun, Dec 14
British Airways Logo
11:05 am - 1:50 pmLIS-PHL
7h 45mnonstop
British Airways Logo
9:20 pm - 9:05 amPHL-LIS
6h 45mnonstop
$761British Airways
Find Deal
Fri, Sep 5 - Sun, Sep 14
Finnair Logo
11:05 am - 1:50 pmLIS-PHL
7h 45mnonstop
Finnair Logo
9:20 pm - 9:05 amPHL-LIS
6h 45mnonstop
$763Finnair
Find Deal
Fri, Sep 5 - Sun, Sep 14
British Airways Logo
11:05 am - 1:50 pmLIS-PHL
7h 45mnonstop
British Airways Logo
6:30 pm - 11:05 pmPHL-LIS
23h 35m1 stop
$784British Airways
Find Deal
Thu, Sep 18 - Thu, Sep 25

Lufthansa flights from Lisbon to Philadelphia

Our best Lufthansa deals on Lisbon to Philadelphia flight tickets
Lufthansa
Sep 25
LIS7:30 amLisbon Humberto Delgado
13h 30m
1 stop
PHL4:00 pmPhiladelphia
Sep 29
PHL5:35 pmPhiladelphia
16h 50m
1 stop
LIS3:25 pmLisbon Humberto Delgado
$728
Find similar
Lufthansa
Oct 9
LIS7:30 amLisbon Humberto Delgado
13h 30m
1 stop
PHL4:00 pmPhiladelphia
Oct 15
PHL5:35 pmPhiladelphia
24h 55m
1 stop
LIS11:30 pmLisbon Humberto Delgado
$738
Find similar

Aer Lingus flights from Lisbon to Philadelphia

Our best Aer Lingus deals on Lisbon to Philadelphia flight tickets
Aer Lingus
Oct 7
LIS10:15 pmLisbon Humberto Delgado
25h 45m
1 stop
PHL7:00 pmPhiladelphia
Oct 14
PHL8:30 pmPhiladelphia
20h 05m
1 stop
LIS9:35 pmLisbon Humberto Delgado
$640
Find similar
Aer Lingus
Oct 2
LIS11:25 amLisbon Humberto Delgado
12h 35m
1 stop
PHL7:00 pmPhiladelphia
Oct 16
PHL8:30 pmPhiladelphia
20h 05m
1 stop
LIS9:35 pmLisbon Humberto Delgado
$706
Find similar
Aer Lingus
Oct 16
LIS11:25 amLisbon Humberto Delgado
12h 35m
1 stop
PHL7:00 pmPhiladelphia
Oct 25
PHL9:30 pmPhiladelphia
16h 45m
1 stop
LIS6:15 pmLisbon Humberto Delgado
$711
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to Philadelphia 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, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Lisbon to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 10/7

10:15 pm-7:00 pm

1 stop25h 45m

Philadelphia

Tue 10/14

8:30 pm-9:35 pm

1 stop20h 05m

$640

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Sat 10/4

7:10 am-7:00 pm

1 stop16h 50m

Philadelphia

Sat 10/11

8:30 pm-9:35 pm

1 stop20h 05m

$645

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Fri 10/3

9:25 am-7:00 pm

1 stop14h 35m

Philadelphia

Fri 10/10

8:30 pm-8:55 pm

1 stop19h 25m

$684

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 10/7

10:05 pm-4:50 pm

1 stop23h 45m

Philadelphia

Tue 10/14

9:25 pm-9:05 am

Nonstop6h 40m

$719

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 10/9

11:05 am-2:05 pm

Nonstop8h 00m

Philadelphia

Sat 10/18

10:15 pm-11:10 pm

1 stop19h 55m

$748

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Fri 9/5

11:05 am-1:50 pm

Nonstop7h 45m

Philadelphia

Sun 9/14

10:15 pm-11:05 pm

1 stop19h 50m

$750

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 12/3

10:10 pm-3:20 pm

1 stop22h 10m

Philadelphia

Sun 12/14

8:00 pm-8:05 pm

1 stop19h 05m

$758

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Fri 9/5

11:05 am-1:50 pm

Nonstop7h 45m

Philadelphia

Sun 9/14

9:20 pm-9:05 am

Nonstop6h 45m

$761

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Fri 9/5

11:05 am-1:50 pm

Nonstop7h 45m

Philadelphia

Sun 9/14

9:20 pm-9:05 am

Nonstop6h 45m

$763

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 9/18

11:05 am-1:50 pm

Nonstop7h 45m

Philadelphia

Thu 9/25

6:30 pm-11:05 pm

1 stop23h 35m

$784

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

How to get the cheapest flight ticket from Lisbon to Philadelphia

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 month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Lisbon is in November. Flight prices, which tend to average around $757, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Philadelphia, with average flight prices from Lisbon averaging around $771.

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

The cheapest day to depart from Lisbon to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $802. On the other hand, Sunday is the most expensive day to depart from Lisbon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $944.

What is the cheapest Lisbon Humberto Delgado to Philadelphia flight route?

Fly from Lisbon Humberto Delgado to Philadelphia for the best Lisbon Humberto Delgado - Philadelphia flight prices

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Lisbon when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $879 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Lisbon for as low as $707 on momondo.

What cabin class options are available on Lisbon Humberto Delgado to Philadelphia flights?

There are 3 cabin classes available to choose from on Lisbon Humberto Delgado to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Lisbon to Philadelphia flights?

You could potentially save up to 11% on your flight if you consider stops on a Lisbon to Philadelphia flight.

How have Lisbon to Philadelphia flight prices changed over time?

As of August 2025, prices for Lisbon to Philadelphia flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Lisbon to Philadelphia

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

Cheap Lisbon to Philadelphia (LIS to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to Philadelphia

Best Price Found

$728

Fastest flight time

7h 40m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Lisbon in the past 72 hours is $728. The best round-trip flight deal from Lisbon to Philadelphia found on momondo in the last 72 hours is $800.
The fastest flight from Lisbon to Philadelphia takes 7h 40m
Direct flights go from Lisbon to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)
Search flight deals

  • How far is Lisbon Humberto Delgado to Philadelphia by plane?

    The straight-line distance from Lisbon Humberto Delgado to Philadelphia is 3442.0 mi. Typically, this will take 7h 45m by plane in normal conditions.

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

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

  • How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Philadelphia Airport?

  • How old do you have to be to fly from Lisbon Humberto Delgado Airport to Philadelphia Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The necessary travel and health documents for your Philadelphia 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.

  • What is the most popular plane model from Lisbon to Philadelphia?

  • What is the most popular airline from Lisbon to Philadelphia?

Best airlines flying from Lisbon to Philadelphia

Compare and see reviews for airlines that fly from Lisbon to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom $573Free CancellationRating
7.6
1,320 reviews
Search Finnair flights
American AirlinesPriceFrom $573Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $666Free CancellationRating
7.0
2,884 reviews
Search Iberia flights
British AirwaysPriceFrom $696Free CancellationRating
6.7
7,291 reviews
Search British Airways flights

  • Finnair Flights From Lisbon to Philadelphia

    Finnair flight deals from Lisbon to Philadelphia start from $573 round-trip. Over the 7 Finnair flights for this route in a normal week, average airfare is usually $633 round-trip - but some users have found much cheaper deals with momondo.

  • American Airlines Flights From Lisbon to Philadelphia

    Another popular option for Lisbon to Philadelphia flights is American Airlines (7.2/10, 10,000 ratings). American Airlines flies from Lisbon to Philadelphia around 7 times per week, with deals starting from $573 round-trip and rising to an average price of around $807.

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Ocean City
Wildwood Crest
King of Prussia
Reading
Dewey Beach
Newark
North Wildwood
Cherry Hill
Lewes
Dover
Avalon
Stone Harbor
Vineland
Exton
Essington
Pottstown
New Castle

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Lisbon to Philadelphia. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Lisbon to Philadelphia 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 Lisbon to Philadelphia right now. Can momondo alert me if prices change?

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

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