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Cheap flights from Philadelphia to Portugal from $246

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 3/1. 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.
Iberia Logo
7:50 pm - 4:00 pm
PHL
-
OPO
15h 10m2 stops
Iberia Logo
8:40 pm - 3:40 pm
OPO
-
PHL
24h 00m1 stop
$452Iberia
lun., ene. 26 - lun., feb. 9
Iberia Logo
7:55 pm - 4:00 pm
PHL
-
OPO
15h 05m1 stop
Iberia Logo
8:40 pm - 3:40 pm
OPO
-
PHL
24h 00m1 stop
$456Iberia
lun., ene. 26 - lun., feb. 9
SWISS Logo
1:10 pm - 5:30 pm
PHL
-
OPO
23h 20m2 stops
SWISS Logo
12:05 pm - 9:36 pm
OPO
-
PHL
38h 31m2 stops
$457SWISS
lun., ene. 26 - lun., feb. 9
Multiple Airlines Logo
10:25 am - 7:40 am
PHL
-
OPO
16h 15m2 stops
Multiple Airlines Logo
8:40 pm - 3:40 pm
OPO
-
PHL
24h 00m1 stop
$460Multiple Airlines
mié., ene. 14 - lun., ene. 19
Lufthansa Logo
6:40 pm - 11:40 am
PHL
-
OPO
13h 00m1 stop
Lufthansa Logo
6:00 am - 5:05 pm
OPO
-
PHL
15h 05m1 stop
$494Lufthansa
jue., mar. 12 - mar., mar. 17
American Airlines Logo
7:55 pm - 8:00 pm
PHL
-
OPO
19h 05m1 stop
American Airlines Logo
8:20 am - 7:27 pm
OPO
-
PHL
16h 07m2 stops
$502American Airlines
vie., ene. 16 - vie., ene. 23
British Airways Logo
4:44 pm - 6:05 pm
PHL
-
FAO
20h 21m2 stops
British Airways Logo
7:00 pm - 4:15 pm
FAO
-
PHL
26h 15m1 stop
$681British Airways
lun., ene. 12 - mar., ene. 20
British Airways Logo
7:50 pm - 6:05 pm
PHL
-
FAO
17h 15m1 stop
British Airways Logo
7:00 pm - 4:15 pm
FAO
-
PHL
26h 15m1 stop
$777British Airways
lun., ene. 12 - mar., ene. 20
TAP AIR PORTUGAL Logo
1:30 pm - 11:45 pm
PHL
-
PDL
30h 15m2 stops
TAP AIR PORTUGAL Logo
7:25 pm - 6:23 pm
PDL
-
PHL
26h 58m2 stops
$844TAP AIR PORTUGAL
jue., ene. 22 - lun., ene. 26
TAP AIR PORTUGAL Logo
1:30 pm - 11:00 am
PHL
-
TER
17h 30m2 stops
TAP AIR PORTUGAL Logo
11:50 am - 6:23 pm
TER
-
PHL
34h 33m2 stops
$860TAP AIR PORTUGAL
vie., ene. 23 - mar., ene. 27

Air Canada flights from Philadelphia to Portugal

Our best Air Canada deals on Philadelphia to Portugal flight tickets
Air Canada
Jan 13
PHL3:30 pmPhiladelphia
12h 50m
1 stop
LIS9:20 amLisbon Humberto Delgado
Jan 21
LIS5:00 amLisbon Humberto Delgado
22h 46m
2 stops
PHL10:46 pmPhiladelphia
$494
Find similar
Air Canada
Jan 14
PHL4:35 pmPhiladelphia
11h 45m
1 stop
LIS9:20 amLisbon Humberto Delgado
Jan 22
LIS5:00 amLisbon Humberto Delgado
22h 46m
2 stops
PHL10:46 pmPhiladelphia
$497
Find similar
Air Canada
Jan 13
PHL3:30 pmPhiladelphia
15h 05m
2 stops
LIS11:35 amLisbon Humberto Delgado
Jan 21
LIS5:00 amLisbon Humberto Delgado
22h 46m
2 stops
PHL10:46 pmPhiladelphia
$507
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
$520
Find similar
Finnair
Jan 14
PHL9:25 pmPhiladelphia
6h 30m
LIS8:55 amLisbon Humberto Delgado
Jan 21
LIS6:30 amLisbon Humberto Delgado
14h 10m
1 stop
PHL3:40 pmPhiladelphia
$528
Find similar
Finnair
Jan 14
PHL9:25 pmPhiladelphia
6h 30m
LIS8:55 amLisbon Humberto Delgado
Jan 22
LIS6:30 amLisbon Humberto Delgado
14h 10m
1 stop
PHL3:40 pmPhiladelphia
$529
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 diciembre 4, 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

lun. 1/26

7:50 pm-4:00 pm

2 stops15h 10m

Porto

lun. 2/9

8:40 pm-3:40 pm

1 stop24h 00m

$452

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

lun. 1/26

7:55 pm-4:00 pm

1 stop15h 05m

Porto

lun. 2/9

8:40 pm-3:40 pm

1 stop24h 00m

$456

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

lun. 1/26

1:10 pm-5:30 pm

2 stops23h 20m

Porto

lun. 2/9

12:05 pm-9:36 pm

2 stops38h 31m

$457

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

mié. 1/14

10:25 am-7:40 am

2 stops16h 15m

Porto

lun. 1/19

8:40 pm-3:40 pm

1 stop24h 00m

$460

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

jue. 3/12

6:40 pm-11:40 am

1 stop13h 00m

Porto

mar. 3/17

6:00 am-5:05 pm

1 stop15h 05m

$494

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

vie. 1/16

7:55 pm-8:00 pm

1 stop19h 05m

Porto

vie. 1/23

8:20 am-7:27 pm

2 stops16h 07m

$502

PhiladelphiaFaro

PHL - FAO

PHLFAO

Philadelphia

lun. 1/12

4:44 pm-6:05 pm

2 stops20h 21m

Faro

mar. 1/20

7:00 pm-4:15 pm

1 stop26h 15m

$681

PhiladelphiaFaro

PHL - FAO

PHLFAO

Philadelphia

lun. 1/12

7:50 pm-6:05 pm

1 stop17h 15m

Faro

mar. 1/20

7:00 pm-4:15 pm

1 stop26h 15m

$777

PhiladelphiaPonta Delgada

PHL - PDL

PHLPDL

Philadelphia

jue. 1/22

1:30 pm-11:45 pm

2 stops30h 15m

Ponta Delgada Nordela

lun. 1/26

7:25 pm-6:23 pm

2 stops26h 58m

$844

PhiladelphiaLajes

PHL - TER

PHLTER

Philadelphia

vie. 1/23

1:30 pm-11:00 am

2 stops17h 30m

Lajes

mar. 1/27

11:50 am-6:23 pm

2 stops34h 33m

$860

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 February. Flight prices, which tend to average around $670, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Philadelphia during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $679.

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 $951. 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 $1,095.

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 $975 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 $884 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

$663

Fastest flight time

6h 30m

Direct flights

Every day

Airports in Portugal

1 airport
The best one-way flight to Portugal from Philadelphia in the past 72 hours is $663. The best round-trip flight deal from Philadelphia to Portugal found on momondo in the last 72 hours is $955.
The fastest flight from Philadelphia to Portugal takes 6h 30m
Direct flights go from Philadelphia to Portugal every day.
There is 1 airport near Portugal: 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 $560Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
American AirlinesPriceFrom $567Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
IberiaPriceFrom $572Free CancellationRating
7.0
3,040 reviews
Search Iberia flights
LufthansaPriceFrom $576Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights
British AirwaysPriceFrom $577Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
Aer LingusPriceFrom $634Free CancellationRating
7.2
1,384 reviews
Search Aer Lingus flights
FinnairPriceFrom $651Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
TAP AIR PORTUGALPriceFrom $662Free CancellationRating
7.1
2,081 reviews
Search TAP AIR PORTUGAL flights
Air CanadaPriceFrom $673Free CancellationRating
7.1
10,500 reviews
Search Air Canada 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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