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Cheap flights from Philadelphia to Portugal from $268

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 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:30 pm - 12:05 pm
PHL
-
OPO
15h 35m2 stops
Air Canada Logo
6:00 am - 2:47 pm
OPO
-
PHL
37h 47m2 stops
$479Air Canada
Sun, Jan 18 - Mon, Feb 2
United Airlines Logo
12:15 pm - 9:30 am
PHL
-
OPO
17h 15m2 stops
United Airlines Logo
6:00 am - 4:00 pm
OPO
-
PHL
15h 00m1 stop
$480United Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
3:30 pm - 12:05 pm
PHL
-
OPO
16h 35m2 stops
Multiple Airlines Logo
6:00 am - 10:53 pm
OPO
-
PHL
21h 53m2 stops
$489Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
KLM Logo
12:50 pm - 10:30 am
PHL
-
OPO
17h 40m2 stops
KLM Logo
11:45 am - 12:49 am
OPO
-
PHL
18h 04m2 stops
$491KLM
Tue, Mar 24 - Wed, Apr 1
Multiple Airlines Logo
8:00 pm - 11:45 am
PHL
-
OPO
10h 45m1 stop
Multiple Airlines Logo
8:20 am - 4:35 pm
OPO
-
PHL
12h 15m1 stop
$495Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
KLM Logo
12:50 pm - 10:30 am
PHL
-
OPO
17h 40m2 stops
KLM Logo
11:45 am - 12:49 am
OPO
-
PHL
18h 04m2 stops
$497KLM
Sun, Mar 22 - Wed, Apr 1
TAP AIR PORTUGAL Logo
3:02 pm - 9:45 am
PHL
-
FNC
13h 43m2 stops
TAP AIR PORTUGAL Logo
4:10 am - 6:31 pm
FNC
-
PHL
19h 21m2 stops
$671TAP AIR PORTUGAL
Tue, Feb 24 - Tue, Mar 3
TAP AIR PORTUGAL Logo
8:40 am - 10:10 am
PHL
-
FNC
20h 30m2 stops
TAP AIR PORTUGAL Logo
8:20 am - 6:23 pm
FNC
-
PHL
15h 03m2 stops
$690TAP AIR PORTUGAL
Wed, Jan 28 - Mon, Feb 2
British Airways Logo
7:35 pm - 5:45 pm
PHL
-
FAO
18h 10m1 stop
British Airways Logo
7:40 pm - 5:15 pm
FAO
-
PHL
25h 35m1 stop
$779British Airways
Wed, Mar 11 - Thu, Mar 19
British Airways Logo
7:35 pm - 6:05 pm
PHL
-
FAO
18h 30m1 stop
British Airways Logo
7:40 pm - 5:15 pm
FAO
-
PHL
25h 35m1 stop
$786British Airways
Mon, Mar 9 - Thu, Mar 19

TAP AIR PORTUGAL flights from Philadelphia to Portugal

Our best TAP AIR PORTUGAL deals on Philadelphia to Portugal flight tickets
TAP AIR PORTUGAL
Feb 1
PHL8:40 amPhiladelphia
15h 55m
1 stop
LIS5:35 amLisbon Humberto Delgado
Mar 3
LIS11:50 amLisbon Humberto Delgado
15h 55m
1 stop
PHL10:45 pmPhiladelphia
$651
Find similar
TAP AIR PORTUGAL
Apr 28
PHL5:03 pmPhiladelphia
12h 17m
1 stop
LIS10:20 amLisbon Humberto Delgado
May 22
LIS5:45 pmLisbon Humberto Delgado
20h 28m
1 stop
PHL9:13 amPhiladelphia
$664
Find similar
TAP AIR PORTUGAL
Apr 24
PHL5:03 pmPhiladelphia
12h 17m
1 stop
LIS10:20 amLisbon Humberto Delgado
May 14
LIS6:05 pmLisbon Humberto Delgado
20h 08m
1 stop
PHL9:13 amPhiladelphia
$671
Find similar

Finnair flights from Philadelphia to Portugal

Our best Finnair deals on Philadelphia to Portugal flight tickets
Finnair
Feb 4
PHL9:25 pmPhiladelphia
6h 30m
LIS8:55 amLisbon Humberto Delgado
Mar 6
LIS6:30 amLisbon Humberto Delgado
14h 05m
1 stop
PHL3:35 pmPhiladelphia
$652
Find similar
Finnair
Mar 9
PHL10:30 pmPhiladelphia
6h 35m
LIS9:05 amLisbon Humberto Delgado
Mar 18
LIS6:30 amLisbon Humberto Delgado
14h 05m
1 stop
PHL4:35 pmPhiladelphia
$653
Find similar
Finnair
Feb 4
PHL9:25 pmPhiladelphia
6h 30m
LIS8:55 amLisbon Humberto Delgado
Mar 6
LIS11:05 amLisbon Humberto Delgado
8h 20m
PHL2:25 pmPhiladelphia
$654
Find similar

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 December 11, 2025.
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

Sun 1/18

3:30 pm-12:05 pm

2 stops15h 35m

Porto

Mon 2/2

6:00 am-2:47 pm

2 stops37h 47m

$479

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 3/24

12:15 pm-9:30 am

2 stops17h 15m

Porto

Tue 3/31

6:00 am-4:00 pm

1 stop15h 00m

$480

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 3/24

3:30 pm-12:05 pm

2 stops16h 35m

Porto

Tue 3/31

6:00 am-10:53 pm

2 stops21h 53m

$489

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 3/24

12:50 pm-10:30 am

2 stops17h 40m

Porto

Wed 4/1

11:45 am-12:49 am

2 stops18h 04m

$491

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 3/4

8:00 pm-11:45 am

1 stop10h 45m

Porto

Wed 3/11

8:20 am-4:35 pm

1 stop12h 15m

$495

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 3/22

12:50 pm-10:30 am

2 stops17h 40m

Porto

Wed 4/1

11:45 am-12:49 am

2 stops18h 04m

$497

PhiladelphiaFunchal

PHL - FNC

PHLFNC

Philadelphia

Tue 2/24

3:02 pm-9:45 am

2 stops13h 43m

Funchal Madeira

Tue 3/3

4:10 am-6:31 pm

2 stops19h 21m

$671

PhiladelphiaFunchal

PHL - FNC

PHLFNC

Philadelphia

Wed 1/28

8:40 am-10:10 am

2 stops20h 30m

Funchal Madeira

Mon 2/2

8:20 am-6:23 pm

2 stops15h 03m

$690

PhiladelphiaFaro

PHL - FAO

PHLFAO

Philadelphia

Wed 3/11

7:35 pm-5:45 pm

1 stop18h 10m

Faro

Thu 3/19

7:40 pm-5:15 pm

1 stop25h 35m

$779

PhiladelphiaFaro

PHL - FAO

PHLFAO

Philadelphia

Mon 3/9

7:35 pm-6:05 pm

1 stop18h 30m

Faro

Thu 3/19

7:40 pm-5:15 pm

1 stop25h 35m

$786

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 $708.

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 $941. 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 $1,098.

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 morning. Flights from Philadelphia to Portugal during this time can be as low as $698. 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 $976 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 10% 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

$668

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 $668. The best round-trip flight deal from Philadelphia to Portugal found on momondo in the last 72 hours is $881.
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
9,094 reviews
Search United Airlines flights
IberiaPriceFrom $566Free CancellationRating
7.0
3,045 reviews
Search Iberia flights
American AirlinesPriceFrom $567Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
LufthansaPriceFrom $576Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
British AirwaysPriceFrom $578Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
FinnairPriceFrom $617Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
Aer LingusPriceFrom $634Free CancellationRating
7.2
1,394 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $662Free CancellationRating
7.1
2,089 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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