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Cheap flights from Lisbon to Philadelphia from $323

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 12/12. 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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0 bags

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Find the cheapest flights from Lisbon to Philadelphia

Cheap round-trip flights

Iberia Logo
9:20 pm - 4:50 pmLIS-PHL
24h 30m1 stop
Iberia Logo
9:10 pm - 9:05 amPHL-LIS
6h 55mnonstop
$652Iberia
Find Deal
Mon, Oct 20 - Sun, Nov 2
Iberia Logo
9:15 pm - 4:50 pmLIS-PHL
24h 35m1 stop
Iberia Logo
9:25 pm - 9:05 amPHL-LIS
6h 40mnonstop
$653Iberia
Find Deal
Wed, Oct 8 - Mon, Oct 13
American Airlines Logo
6:30 am - 4:40 pmLIS-PHL
14h 10m1 stop
American Airlines Logo
6:35 pm - 9:55 pmPHL-LIS
22h 20m1 stop
$668American Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
6:30 am - 4:40 pmLIS-PHL
14h 10m1 stop
Multiple Airlines Logo
6:35 pm - 12:10 pmPHL-LIS
12h 35m1 stop
$669Multiple Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 29
American Airlines Logo
10:55 am - 2:55 pmLIS-PHL
8h 00mnonstop
American Airlines Logo
7:45 pm - 9:55 pmPHL-LIS
21h 10m1 stop
$670American Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
6:30 am - 4:40 pmLIS-PHL
14h 10m1 stop
Multiple Airlines Logo
6:35 pm - 12:10 pmPHL-LIS
12h 35m1 stop
$671Multiple Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 29
British Airways Logo
11:05 am - 2:05 pmLIS-PHL
8h 00mnonstop
British Airways Logo
6:35 pm - 2:45 pmPHL-LIS
15h 10m1 stop
$673British Airways
Find Deal
Fri, Dec 19 - Thu, Dec 25
Finnair Logo
6:30 am - 4:40 pmLIS-PHL
14h 10m1 stop
Finnair Logo
9:10 pm - 9:05 amPHL-LIS
6h 55mnonstop
$681Finnair
Find Deal
Sat, Nov 1 - Sat, Nov 29
Finnair Logo
6:30 am - 4:40 pmLIS-PHL
14h 10m1 stop
Finnair Logo
9:10 pm - 9:05 amPHL-LIS
6h 55mnonstop
$682Finnair
Find Deal
Sat, Nov 1 - Sat, Nov 29
British Airways Logo
11:05 am - 1:50 pmLIS-PHL
7h 45mnonstop
British Airways Logo
9:20 pm - 9:05 amPHL-LIS
6h 45mnonstop
$685British Airways
Find Deal
Sun, Sep 28 - Sat, Oct 4

British Airways flights from Lisbon to Philadelphia

Our best British Airways deals on Lisbon to Philadelphia flight tickets
British Airways
Dec 19
LIS11:05 amLisbon Humberto Delgado
8h 00m
PHL2:05 pmPhiladelphia
Dec 25
PHL6:35 pmPhiladelphia
15h 10m
1 stop
LIS2:45 pmLisbon Humberto Delgado
$673
Find similar
British Airways
Sep 28
LIS11:05 amLisbon Humberto Delgado
7h 45m
PHL1:50 pmPhiladelphia
Oct 4
PHL9:20 pmPhiladelphia
6h 45m
LIS9:05 amLisbon Humberto Delgado
$685
Find similar
British Airways
Oct 23
LIS11:05 amLisbon Humberto Delgado
8h 00m
PHL2:05 pmPhiladelphia
Oct 29
PHL10:15 pmPhiladelphia
6h 40m
LIS8:55 amLisbon Humberto Delgado
$689
Find similar

Finnair flights from Lisbon to Philadelphia

Our best Finnair deals on Lisbon to Philadelphia flight tickets
Finnair
Nov 1
LIS6:30 amLisbon Humberto Delgado
14h 10m
1 stop
PHL4:40 pmPhiladelphia
Nov 29
PHL9:10 pmPhiladelphia
6h 55m
LIS9:05 amLisbon Humberto Delgado
$681
Find similar
Finnair
Nov 1
LIS6:30 amLisbon Humberto Delgado
14h 10m
1 stop
PHL4:40 pmPhiladelphia
Nov 29
PHL9:10 pmPhiladelphia
6h 55m
LIS9:05 amLisbon Humberto Delgado
$682
Find similar
Finnair
Oct 30
LIS10:55 amLisbon Humberto Delgado
8h 00m
PHL2:55 pmPhiladelphia
Nov 6
PHL9:10 pmPhiladelphia
6h 55m
LIS9:05 amLisbon Humberto Delgado
$683
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 September 17, 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

Mon 10/20

9:20 pm-4:50 pm

1 stop24h 30m

Philadelphia

Sun 11/2

9:10 pm-9:05 am

Nonstop6h 55m

$652

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Wed 10/8

9:15 pm-4:50 pm

1 stop24h 35m

Philadelphia

Mon 10/13

9:25 pm-9:05 am

Nonstop6h 40m

$653

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 10/30

6:30 am-4:40 pm

1 stop14h 10m

Philadelphia

Thu 11/6

6:35 pm-9:55 pm

1 stop22h 20m

$668

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Sat 11/1

6:30 am-4:40 pm

1 stop14h 10m

Philadelphia

Sat 11/29

6:35 pm-12:10 pm

1 stop12h 35m

$669

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 10/30

10:55 am-2:55 pm

Nonstop8h 00m

Philadelphia

Thu 11/6

7:45 pm-9:55 pm

1 stop21h 10m

$670

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Sat 11/1

6:30 am-4:40 pm

1 stop14h 10m

Philadelphia

Sat 11/29

6:35 pm-12:10 pm

1 stop12h 35m

$671

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Fri 12/19

11:05 am-2:05 pm

Nonstop8h 00m

Philadelphia

Thu 12/25

6:35 pm-2:45 pm

1 stop15h 10m

$673

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Sat 11/1

6:30 am-4:40 pm

1 stop14h 10m

Philadelphia

Sat 11/29

9:10 pm-9:05 am

Nonstop6h 55m

$681

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Sat 11/1

6:30 am-4:40 pm

1 stop14h 10m

Philadelphia

Sat 11/29

9:10 pm-9:05 am

Nonstop6h 55m

$682

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Sun 9/28

11:05 am-1:50 pm

Nonstop7h 45m

Philadelphia

Sat 10/4

9:20 pm-9:05 am

Nonstop6h 45m

$685

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 Saturday. Travelers who choose to depart for Philadelphia on a Saturday will often find tickets for as low as $800. 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 $952.

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 $887 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 $639 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 15% 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 September 2025, prices for Lisbon to Philadelphia flights are approximately 23% more expensive 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

$678

Fastest flight time

7h 45m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Lisbon in the past 72 hours is $678. The best round-trip flight deal from Lisbon to Philadelphia found on momondo in the last 72 hours is $748.
The fastest flight from Lisbon to Philadelphia takes 7h 45m
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
1,324 reviews
Search Finnair flights
American AirlinesPriceFrom $573Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $666Free CancellationRating
7.0
2,925 reviews
Search Iberia flights
British AirwaysPriceFrom $696Free CancellationRating
6.7
7,367 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
Dewey Beach
Reading
Newark
Cherry Hill
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Vineland
Essington
Pottstown
New Castle
West Chester

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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