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Cheap flights from Portugal to Philadelphia from $337

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Philadelphia departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portugal to Philadelphia

Recent round-trip flight deals from Portugal to Philadelphia

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:00 am - 1:14 am
LIS
-
PHL
25h 14m2 stops
Multiple Airlines Logo
12:06 pm - 2:35 pm
PHL
-
LIS
21h 29m2 stops
$669Multiple Airlines
Mon, Jan 12 - Sun, Jan 18
Multiple Airlines Logo
7:40 am - 1:14 am
LIS
-
PHL
22h 34m2 stops
Multiple Airlines Logo
12:06 pm - 3:15 pm
PHL
-
LIS
22h 09m2 stops
$686Multiple Airlines
Mon, Jan 12 - Sun, Jan 18
Multiple Airlines Logo
11:35 am - 1:14 am
LIS
-
PHL
18h 39m2 stops
Multiple Airlines Logo
12:06 pm - 3:15 pm
PHL
-
LIS
22h 09m2 stops
$716Multiple Airlines
Mon, Jan 12 - Sun, Jan 18
Multiple Airlines Logo
5:00 am - 1:14 am
LIS
-
PHL
25h 14m2 stops
Multiple Airlines Logo
12:06 pm - 2:35 pm
PHL
-
LIS
21h 29m2 stops
$718Multiple Airlines
Mon, Jan 12 - Sun, Jan 18
Iberia Logo
9:05 pm - 3:30 pm
LIS
-
PHL
23h 25m1 stop
Iberia Logo
9:30 pm - 9:05 am
PHL
-
LIS
6h 35mnonstop
$752Iberia
Thu, Feb 26 - Mon, Mar 2
Iberia Logo
9:05 pm - 3:30 pm
LIS
-
PHL
23h 25m1 stop
Iberia Logo
8:00 pm - 11:50 am
PHL
-
LIS
10h 50m1 stop
$766Iberia
Thu, Feb 26 - Mon, Mar 2
Air Canada Logo
6:00 am - 10:46 pm
OPO
-
PHL
21h 46m2 stops
Air Canada Logo
3:30 pm - 11:40 am
PHL
-
OPO
15h 10m2 stops
$780Air Canada
Thu, Jan 15 - Thu, Jan 22
United Airlines Logo
6:00 am - 4:05 pm
OPO
-
PHL
15h 05m1 stop
United Airlines Logo
5:40 pm - 2:45 pm
PHL
-
OPO
16h 05m1 stop
$789United Airlines
Thu, Jan 15 - Thu, Jan 22
SWISS Logo
12:10 pm - 9:36 pm
OPO
-
PHL
38h 26m2 stops
SWISS Logo
1:10 pm - 11:15 am
PHL
-
OPO
17h 05m2 stops
$798SWISS
Wed, Jan 21 - Wed, Jan 28
SWISS Logo
2:10 pm - 9:36 pm
OPO
-
PHL
36h 26m3 stops
SWISS Logo
1:10 pm - 11:10 am
PHL
-
OPO
41h 00m2 stops
$832SWISS
Wed, Jan 21 - Wed, Jan 28

Delta flights from Portugal to Philadelphia

Our best Delta deals on Portugal to Philadelphia flight tickets
Delta
May 15
LIS5:00 amLisbon Humberto Delgado
21h 13m
2 stops
PHL9:13 pmPhiladelphia
May 19
PHL10:35 amPhiladelphia
17h 15m
2 stops
LIS8:50 amLisbon Humberto Delgado
$812
Find similar
Delta
Dec 12
LIS10:00 amLisbon Humberto Delgado
18h 10m
2 stops
PHL11:10 pmPhiladelphia
Dec 18
PHL1:23 pmPhiladelphia
13h 37m
1 stop
LIS8:00 amLisbon Humberto Delgado
$1,332
Find similar

British Airways flights from Portugal to Philadelphia

Our best British Airways deals on Portugal to Philadelphia flight tickets
British Airways
May 15
LIS11:05 amLisbon Humberto Delgado
7h 30m
PHL1:35 pmPhiladelphia
May 19
PHL6:45 pmPhiladelphia
15h 45m
1 stop
LIS3:30 pmLisbon Humberto Delgado
$816
Find similar
British Airways
Jan 15
OPO8:40 pmPorto
24h 00m
1 stop
PHL3:40 pmPhiladelphia
Jan 22
PHL7:50 pmPhiladelphia
16h 25m
1 stop
OPO5:15 pmPorto
$834
Find similar
British Airways
Feb 16
LIS11:05 amLisbon Humberto Delgado
8h 20m
PHL2:25 pmPhiladelphia
Feb 19
PHL6:35 pmPhiladelphia
12h 35m
1 stop
LIS12:10 pmLisbon Humberto Delgado
$898
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portugal 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 December 8, 2025.
Use the filters below to find and compare flights from Portugal to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Mon 1/12

5:00 am-1:14 am

2 stops25h 14m

Philadelphia

Sun 1/18

12:06 pm-2:35 pm

2 stops21h 29m

$669

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Mon 1/12

7:40 am-1:14 am

2 stops22h 34m

Philadelphia

Sun 1/18

12:06 pm-3:15 pm

2 stops22h 09m

$686

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Mon 1/12

11:35 am-1:14 am

2 stops18h 39m

Philadelphia

Sun 1/18

12:06 pm-3:15 pm

2 stops22h 09m

$716

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Mon 1/12

5:00 am-1:14 am

2 stops25h 14m

Philadelphia

Sun 1/18

12:06 pm-2:35 pm

2 stops21h 29m

$718

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 2/26

9:05 pm-3:30 pm

1 stop23h 25m

Philadelphia

Mon 3/2

9:30 pm-9:05 am

Nonstop6h 35m

$752

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Thu 2/26

9:05 pm-3:30 pm

1 stop23h 25m

Philadelphia

Mon 3/2

8:00 pm-11:50 am

1 stop10h 50m

$766

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 1/15

6:00 am-10:46 pm

2 stops21h 46m

Philadelphia

Thu 1/22

3:30 pm-11:40 am

2 stops15h 10m

$780

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 1/15

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

Thu 1/22

5:40 pm-2:45 pm

1 stop16h 05m

$789

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Wed 1/21

12:10 pm-9:36 pm

2 stops38h 26m

Philadelphia

Wed 1/28

1:10 pm-11:15 am

2 stops17h 05m

$798

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Wed 1/21

2:10 pm-9:36 pm

3 stops36h 26m

Philadelphia

Wed 1/28

1:10 pm-11:10 am

2 stops41h 00m

$832

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 Portugal 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 Portugal is in February. Flight prices, which tend to average around $743, are often lower during this time because this is during the off-season. The month of December is another great option to travel to Philadelphia, with average flight prices from Portugal averaging around $758.

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

The cheapest day to depart from Portugal to Philadelphia is on a Monday. Travelers who choose to depart for Philadelphia on a Monday will often find tickets for as low as $827. On the other hand, Sunday is the most expensive day to depart from Portugal because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $944.

What is the cheapest Portugal to Philadelphia flight route?

Fly from Lisbon Humberto Delgado to Philadelphia for the best Portugal - 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 Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $954 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Portugal for as low as $639 on momondo.

What cabin class options are available on Portugal to Philadelphia flights?

There are 3 cabin classes available to choose from on Portugal 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 Portugal to Philadelphia flights?

You could potentially save up to 10% on your flight if you consider stops on a Portugal to Philadelphia flight.

Cheap Portugal to Philadelphia flight deals and tips

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

Best Price Found

$551

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Portugal in the past 72 hours is $551. The best round-trip flight deal from Portugal to Philadelphia found on momondo in the last 72 hours is $811.
The fastest flight from Portugal to Philadelphia takes 7h 30m
Direct flights go from Portugal to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)
Search flight deals

  • When did momondo last update prices for flights from Portugal to Philadelphia Airport?

    Prices for flights from Portugal to Philadelphia Airport were last updated today.

  • How many operators does momondo search for flights from Portugal to Philadelphia Airport?

  • How old do you have to be to fly from Portugal to Philadelphia Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Philadelphia Airport.

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

    The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Portugal to Philadelphia

Compare and see reviews for airlines that fly from Portugal to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom $680Free CancellationRating
7.0
3,042 reviews
Search Iberia flights
British AirwaysPriceFrom $696Free CancellationRating
6.7
7,566 reviews
Search British Airways flights

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
Cherry Hill
Newark
Dewey Beach
Reading
North Wildwood
Avalon
Dover
Lewes
Stone Harbor
Essington
Vineland
Pottstown
Somers Point
Elkton

Why use momondo?

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

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 Philadelphia from Portugal.

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

Yes. momondo allows you to filter the results for Portugal to Philadelphia flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Portugal.

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

Yes momondo offers price alerts on flights to Philadelphia from Portugal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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