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Cheap flights from Philadelphia to Portugal from $233

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 3/16. 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 Philadelphia to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:33 am - 9:45 am
PHL
-
OPO
18h 12m2 stops
United Airlines Logo
6:00 am - 4:00 pm
OPO
-
PHL
15h 00m1 stop
$487United Airlines
Wed, Apr 22 - Fri, May 8
Air Canada Logo
3:30 pm - 1:15 pm
PHL
-
OPO
16h 45m2 stops
Air Canada Logo
6:00 am - 3:24 pm
OPO
-
PHL
38h 24m2 stops
$490Air Canada
Wed, Feb 18 - Wed, Feb 25
Air Canada Logo
3:30 pm - 1:15 pm
PHL
-
OPO
16h 45m2 stops
Air Canada Logo
6:00 am - 3:24 pm
OPO
-
PHL
38h 24m2 stops
$492Air Canada
Wed, Feb 18 - Wed, Feb 25
British Airways Logo
6:35 pm - 4:45 pm
PHL
-
OPO
17h 10m1 stop
British Airways Logo
8:20 am - 7:48 pm
OPO
-
PHL
16h 28m2 stops
$499British Airways
Wed, Feb 18 - Wed, Feb 25
Iberia Logo
7:45 pm - 11:45 am
PHL
-
OPO
11h 00m1 stop
Iberia Logo
8:40 pm - 3:25 pm
OPO
-
PHL
23h 45m1 stop
$507Iberia
Wed, Feb 18 - Wed, Feb 25
Iberia Logo
7:45 pm - 8:00 pm
PHL
-
OPO
20h 15m1 stop
Iberia Logo
8:40 pm - 3:25 pm
OPO
-
PHL
23h 45m2 stops
$508Iberia
Mon, Mar 9 - Mon, Mar 30
Aer Lingus Logo
6:30 pm - 10:10 am
PHL
-
LIS
11h 40m1 stop
Aer Lingus Logo
10:15 pm - 7:00 pm
LIS
-
PHL
25h 45m1 stop
$599Aer Lingus
Wed, Mar 18 - Tue, Mar 31
TAP AIR PORTUGAL Logo
8:40 am - 9:15 am
PHL
-
FNC
19h 35m2 stops
TAP AIR PORTUGAL Logo
9:15 pm - 6:23 pm
FNC
-
PHL
26h 08m2 stops
$706TAP AIR PORTUGAL
Mon, Jan 19 - Mon, Jan 26
TAP AIR PORTUGAL Logo
2:52 pm - 10:10 am
PHL
-
FNC
14h 18m2 stops
TAP AIR PORTUGAL Logo
9:15 pm - 10:36 pm
FNC
-
PHL
30h 21m2 stops
$710TAP AIR PORTUGAL
Mon, Feb 16 - Mon, Feb 23
British Airways Logo
6:35 pm - 4:45 pm
PHL
-
FAO
17h 10m1 stop
British Airways Logo
7:40 pm - 5:15 pm
FAO
-
PHL
25h 35m1 stop
$837British Airways
Thu, Mar 5 - Thu, Mar 12

TAP AIR PORTUGAL flights from Philadelphia to Portugal

Our best TAP AIR PORTUGAL deals on Philadelphia to Portugal flight tickets
TAP AIR PORTUGAL
Mar 9
PHL6:00 amPhiladelphia
19h 35m
1 stop
LIS5:35 amLisbon Humberto Delgado
Mar 18
LIS11:40 amLisbon Humberto Delgado
11h 45m
1 stop
PHL7:25 pmPhiladelphia
$652
Find similar
TAP AIR PORTUGAL
Mar 9
PHL3:02 pmPhiladelphia
10h 33m
1 stop
LIS5:35 amLisbon Humberto Delgado
Mar 18
LIS11:40 amLisbon Humberto Delgado
11h 45m
1 stop
PHL7:25 pmPhiladelphia
$653
Find similar
TAP AIR PORTUGAL
Jan 15
PHL1:30 pmPhiladelphia
15h 45m
1 stop
LIS10:15 amLisbon Humberto Delgado
Jan 20
LIS11:50 amLisbon Humberto Delgado
11h 33m
1 stop
PHL6:23 pmPhiladelphia
$705
Find similar

British Airways flights from Philadelphia to Portugal

Our best British Airways deals on Philadelphia to Portugal flight tickets
British Airways
Feb 18
PHL6:35 pmPhiladelphia
17h 10m
1 stop
OPO4:45 pmPorto
Feb 25
OPO8:20 amPorto
16h 28m
2 stops
PHL7:48 pmPhiladelphia
$499
Find similar
British Airways
Feb 18
PHL6:35 pmPhiladelphia
17h 10m
1 stop
OPO4:45 pmPorto
Feb 25
OPO6:35 pmPorto
23h 40m
1 stop
PHL1:15 pmPhiladelphia
$530
Find similar
British Airways
Feb 15
PHL6:35 pmPhiladelphia
17h 05m
1 stop
OPO4:40 pmPorto
Feb 26
OPO5:35 pmPorto
27h 40m
1 stop
PHL4:15 pmPhiladelphia
$533
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 January 2, 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

Wed 4/22

10:33 am-9:45 am

2 stops18h 12m

Porto

Fri 5/8

6:00 am-4:00 pm

1 stop15h 00m

$487

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/18

3:30 pm-1:15 pm

2 stops16h 45m

Porto

Wed 2/25

6:00 am-3:24 pm

2 stops38h 24m

$490

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/18

3:30 pm-1:15 pm

2 stops16h 45m

Porto

Wed 2/25

6:00 am-3:24 pm

2 stops38h 24m

$492

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/18

6:35 pm-4:45 pm

1 stop17h 10m

Porto

Wed 2/25

8:20 am-7:48 pm

2 stops16h 28m

$499

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/18

7:45 pm-11:45 am

1 stop11h 00m

Porto

Wed 2/25

8:40 pm-3:25 pm

1 stop23h 45m

$507

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 3/9

7:45 pm-8:00 pm

1 stop20h 15m

Porto

Mon 3/30

8:40 pm-3:25 pm

2 stops23h 45m

$508

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 3/18

6:30 pm-10:10 am

1 stop11h 40m

Lisbon Humberto Delgado

Tue 3/31

10:15 pm-7:00 pm

1 stop25h 45m

$599

PhiladelphiaFunchal

PHL - FNC

PHLFNC

Philadelphia

Mon 1/19

8:40 am-9:15 am

2 stops19h 35m

Funchal Madeira

Mon 1/26

9:15 pm-6:23 pm

2 stops26h 08m

$706

PhiladelphiaFunchal

PHL - FNC

PHLFNC

Philadelphia

Mon 2/16

2:52 pm-10:10 am

2 stops14h 18m

Funchal Madeira

Mon 2/23

9:15 pm-10:36 pm

2 stops30h 21m

$710

PhiladelphiaFaro

PHL - FAO

PHLFAO

Philadelphia

Thu 3/5

6:35 pm-4:45 pm

1 stop17h 10m

Faro

Thu 3/12

7:40 pm-5:15 pm

1 stop25h 35m

$837

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 $719.

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 $942. 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 $1,110.

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 $1,005. 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 $978 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

$678

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 $678. The best round-trip flight deal from Philadelphia to Portugal found on momondo in the last 72 hours is $715.
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
9,129 reviews
Search United Airlines flights
IberiaPriceFrom $563Free CancellationRating
7.0
3,058 reviews
Search Iberia flights
American AirlinesPriceFrom $567Free CancellationRating
7.2
11,075 reviews
Search American Airlines flights
British AirwaysPriceFrom $576Free CancellationRating
6.7
7,640 reviews
Search British Airways flights
LufthansaPriceFrom $576Free CancellationRating
6.8
7,676 reviews
Search Lufthansa flights
FinnairPriceFrom $617Free CancellationRating
7.6
1,343 reviews
Search Finnair flights
Aer LingusPriceFrom $634Free CancellationRating
7.2
1,418 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $666Free CancellationRating
7.1
2,104 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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