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Cheap flights from Philadelphia to Portugal from $239

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Portugal departing on 1/26. 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 Philadelphia to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:50 pm - 7:30 pm
PHL
-
OPO
18h 40m
1 stop
British Airways Logo
12:25 pm - 10:52 am
OPO
-
PHL
27h 27m
2 stops
$436British Airways
Tue, Apr 21 - Thu, Apr 30
British Airways Logo
7:50 pm - 4:40 pm
PHL
-
OPO
15h 50m
1 stop
British Airways Logo
8:20 am - 3:25 pm
OPO
-
PHL
12h 05m
1 stop
$438British Airways
Sun, Feb 1 - Thu, Mar 5
British Airways Logo
12:23 pm - 4:40 pm
PHL
-
OPO
23h 17m
2 stops
British Airways Logo
8:20 am - 3:25 pm
OPO
-
PHL
12h 05m
1 stop
$443British Airways
Sun, Feb 1 - Thu, Mar 5
Iberia Logo
7:45 pm - 11:45 am
PHL
-
OPO
11h 00m
1 stop
Iberia Logo
9:55 pm - 3:05 pm
OPO
-
PHL
22h 10m
1 stop
$444Iberia
Wed, Feb 18 - Wed, Feb 25
Iberia Logo
8:30 pm - 4:00 pm
PHL
-
OPO
14h 30m
1 stop
Iberia Logo
8:20 am - 5:40 pm
OPO
-
PHL
14h 20m
1 stop
$446Iberia
Sun, Apr 19 - Thu, Apr 30
Aer Lingus Logo
8:25 pm - 9:35 pm
PHL
-
LIS
20h 10m
1 stop
Aer Lingus Logo
10:15 pm - 6:55 pm
LIS
-
PHL
25h 40m
1 stop
$520Aer Lingus
Mon, Apr 13 - Wed, Apr 22
American Airlines Logo
7:35 pm - 5:20 pm
PHL
-
FAO
17h 45m
1 stop
American Airlines Logo
7:05 pm - 5:15 pm
FAO
-
PHL
26h 10m
1 stop
$682American Airlines
Sun, Mar 8 - Mon, Mar 23
TAP AIR PORTUGAL Logo
3:02 pm - 6:35 pm
PHL
-
PDL
23h 33m
2 stops
TAP AIR PORTUGAL Logo
7:25 pm - 10:36 pm
PDL
-
PHL
30h 11m
2 stops
$690TAP AIR PORTUGAL
Tue, Mar 3 - Tue, Mar 10
TAP AIR PORTUGAL Logo
6:00 am - 9:45 am
PHL
-
PDL
23h 45m
2 stops
TAP AIR PORTUGAL Logo
7:40 pm - 7:35 am
PDL
-
PHL
39h 55m
2 stops
$726TAP AIR PORTUGAL
Tue, Apr 14 - Mon, Apr 20
Aer Lingus Logo
8:25 pm - 7:00 pm
PHL
-
FAO
17h 35m
1 stop
Aer Lingus Logo
7:40 pm - 6:55 pm
FAO
-
PHL
28h 15m
1 stop
$862Aer Lingus
Sun, May 10 - Mon, May 25

Aer Lingus flights from Philadelphia to Portugal

Our best Aer Lingus deals on Philadelphia to Portugal flight tickets
Aer Lingus
Apr 13
PHL8:25 pmPhiladelphia
20h 10m
1 stop
LIS9:35 pmLisbon Humberto Delgado
Apr 22
LIS10:15 pmLisbon Humberto Delgado
25h 40m
1 stop
PHL6:55 pmPhiladelphia
$520
Aer Lingus
Apr 14
PHL8:25 pmPhiladelphia
20h 10m
1 stop
LIS9:35 pmLisbon Humberto Delgado
Apr 19
LIS10:55 amLisbon Humberto Delgado
13h 00m
1 stop
PHL6:55 pmPhiladelphia
$592

Lufthansa flights from Philadelphia to Portugal

Our best Lufthansa deals on Philadelphia to Portugal flight tickets
Lufthansa
Mar 8
PHL6:40 pmPhiladelphia
12h 55m
1 stop
LIS11:35 amLisbon Humberto Delgado
Mar 17
LIS5:00 amLisbon Humberto Delgado
16h 05m
1 stop
PHL5:05 pmPhiladelphia
$537
Lufthansa
Mar 1
PHL10:35 amPhiladelphia
18h 40m
1 stop
LIS10:15 amLisbon Humberto Delgado
Mar 12
LIS5:00 amLisbon Humberto Delgado
16h 05m
1 stop
PHL5:05 pmPhiladelphia
$557
Lufthansa
Jan 29
PHL5:40 pmPhiladelphia
13h 00m
1 stop
OPO11:40 amPorto
Mar 8
OPO6:00 amPorto
15h 05m
1 stop
PHL4:05 pmPhiladelphia
$592

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Portugal 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 January 15, 2026.
Use the filters below to find and compare flights from Philadelphia to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 4/21

7:50 pm-7:30 pm

1 stop18h 40m

Porto

Thu 4/30

12:25 pm-10:52 am

2 stops27h 27m

$436

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 2/1

7:50 pm-4:40 pm

1 stop15h 50m

Porto

Thu 3/5

8:20 am-3:25 pm

1 stop12h 05m

$438

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 2/1

12:23 pm-4:40 pm

2 stops23h 17m

Porto

Thu 3/5

8:20 am-3:25 pm

1 stop12h 05m

$443

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/18

7:45 pm-11:45 am

1 stop11h 00m

Porto

Wed 2/25

9:55 pm-3:05 pm

1 stop22h 10m

$444

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 4/19

8:30 pm-4:00 pm

1 stop14h 30m

Porto

Thu 4/30

8:20 am-5:40 pm

1 stop14h 20m

$446

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 4/13

8:25 pm-9:35 pm

1 stop20h 10m

Lisbon Humberto Delgado

Wed 4/22

10:15 pm-6:55 pm

1 stop25h 40m

$520

PhiladelphiaFaro

PHL - FAO

PHLFAO

Philadelphia

Sun 3/8

7:35 pm-5:20 pm

1 stop17h 45m

Faro

Mon 3/23

7:05 pm-5:15 pm

1 stop26h 10m

$682

PhiladelphiaPonta Delgada

PHL - PDL

PHLPDL

Philadelphia

Tue 3/3

3:02 pm-6:35 pm

2 stops23h 33m

Ponta Delgada Nordela

Tue 3/10

7:25 pm-10:36 pm

2 stops30h 11m

$690

PhiladelphiaPonta Delgada

PHL - PDL

PHLPDL

Philadelphia

Tue 4/14

6:00 am-9:45 am

2 stops23h 45m

Ponta Delgada Nordela

Mon 4/20

7:40 pm-7:35 am

2 stops39h 55m

$726

PhiladelphiaFaro

PHL - FAO

PHLFAO

Philadelphia

Sun 5/10

8:25 pm-7:00 pm

1 stop17h 35m

Faro

Mon 5/25

7:40 pm-6:55 pm

1 stop28h 15m

$862

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 Portugal from

How to get the cheapest flight ticket from Philadelphia to Portugal

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 Portugal?

The cheapest month to fly to Portugal from Philadelphia is in November. Flight prices, which tend to average around $707, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Philadelphia during February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $734.

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

According to our data, Tuesday is the cheapest day to fly to Portugal from Philadelphia. The lowest ticket price found for a Tuesday departure recently was $945. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,109.

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

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Philadelphia to Portugal during this time can be as low as $1,006. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,415 per ticket.

What is the cheapest Philadelphia to Portugal flight route?

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

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

You are more likely to see cheaper flights to Portugal from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $981 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Philadelphia for as low as $816 on momondo.

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

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

You could potentially save up to 23% on your flight if you consider stops on a Philadelphia to Portugal flight.

Cheap Philadelphia to Portugal flight deals and tips

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

Best Price Found

$601

Fastest flight time

6h 30m

Direct flights

Every day

Airports in Portugal

99 airports
The best one-way flight to Portugal from Philadelphia in the past 72 hours is $601. The best round-trip flight deal from Philadelphia to Portugal found on momondo in the last 72 hours is $756.
The fastest flight from Philadelphia to Portugal takes 6h 30m
Direct flights go from Philadelphia to Portugal every day.
There are 99 airports in Portugal. From Philadelphia there are direct flights to Lisbon Humberto Delgado (LIS).
Search flight deals

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

    Prices for flights from Philadelphia Airport to Portugal are updated daily.

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

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

    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 Philadelphia Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents you'll need for your trip to Portugal 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 Portugal. 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 Philadelphia to Portugal?

Best airlines flying from Philadelphia to Portugal

Compare and see reviews for airlines that fly from Philadelphia to Portugal with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $489Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
IberiaPriceFrom $565Free CancellationRating
7.0
3,087 reviews
Search Iberia flights
American AirlinesPriceFrom $567Free CancellationRating
7.2
11,136 reviews
Search American Airlines flights
British AirwaysPriceFrom $575Free CancellationRating
6.7
7,680 reviews
Search British Airways flights
LufthansaPriceFrom $576Free CancellationRating
6.8
7,718 reviews
Search Lufthansa flights
FinnairPriceFrom $617Free CancellationRating
7.6
1,349 reviews
Search Finnair flights
Aer LingusPriceFrom $639Free CancellationRating
7.2
1,435 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $666Free CancellationRating
7.1
2,121 reviews
Search TAP AIR PORTUGAL flights

Why use momondo?

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

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 Portugal from Philadelphia.

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

All flight searches from Philadelphia to Portugal on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Philadelphia and Portugal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Portugal from Philadelphia. 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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