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 12/6. 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
1 adult, Economy, 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
10:15 am - 9:30 am
PHL
-
OPO
18h 15m
2 stops
United Airlines Logo
6:00 am - 4:05 pm
OPO
-
PHL
15h 05m
1 stop
$701United Airlines
Tue, Nov 10 - Tue, Nov 17
Lufthansa Logo
5:40 pm - 11:45 am
PHL
-
OPO
13h 05m
1 stop
Lufthansa Logo
6:00 am - 4:05 pm
OPO
-
PHL
15h 05m
1 stop
$706Lufthansa
Tue, Nov 10 - Tue, Nov 17
Delta Logo
12:09 pm - 10:30 am
PHL
-
OPO
17h 21m
2 stops
Delta Logo
5:00 am - 10:56 pm
OPO
-
PHL
22h 56m
2 stops
$711Delta
Tue, Nov 10 - Tue, Nov 17
Iberia Logo
7:50 pm - 8:00 pm
PHL
-
OPO
19h 10m
1 stop
Iberia Logo
8:20 am - 3:50 pm
OPO
-
PHL
12h 30m
1 stop
$743Iberia
Mon, Nov 16 - Fri, Nov 20
Finnair Logo
10:25 pm - 9:05 am
PHL
-
LIS
6h 40mnonstop
Finnair Logo
11:05 am - 2:05 pm
LIS
-
PHL
8h 00mnonstop
$761Finnair
Wed, Oct 28 - Wed, Nov 4
Finnair Logo
10:25 pm - 9:05 am
PHL
-
LIS
6h 40mnonstop
Finnair Logo
11:05 am - 2:05 pm
LIS
-
PHL
8h 00mnonstop
$762Finnair
Wed, Oct 28 - Wed, Nov 4
American Airlines Logo
7:35 pm - 5:40 pm
PHL
-
LIS
18h 05m
1 stop
American Airlines Logo
6:30 am - 3:50 pm
LIS
-
PHL
14h 20m
1 stop
$764American Airlines
Wed, Oct 28 - Wed, Nov 4
Iberia Logo
8:50 pm - 1:30 pm
PHL
-
FNC
12h 40m
1 stop
Iberia Logo
2:10 pm - 3:50 pm
FNC
-
PHL
30h 40m
1 stop
$787Iberia
Tue, Oct 27 - Wed, Nov 4
British Airways Logo
7:35 pm - 4:10 pm
PHL
-
FNC
16h 35m
1 stop
British Airways Logo
5:00 pm - 4:15 pm
FNC
-
PHL
28h 15m
1 stop
$832British Airways
Wed, Oct 28 - Thu, Nov 5
British Airways Logo
8:50 pm - 11:10 am
PHL
-
FNC
34h 20m
1 stop
British Airways Logo
5:00 pm - 4:15 pm
FNC
-
PHL
28h 15m
1 stop
$860British Airways
Tue, Oct 27 - Thu, Nov 5

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Finnair flights from Philadelphia to Portugal

Our best Finnair deals on Philadelphia to Portugal flight tickets
Finnair
Oct 28
PHL10:25 pmPhiladelphia
6h 40m
LIS9:05 amLisbon Humberto Delgado
Nov 4
LIS11:05 amLisbon Humberto Delgado
8h 00m
PHL2:05 pmPhiladelphia
$761
Finnair
Oct 28
PHL10:25 pmPhiladelphia
6h 40m
LIS9:05 amLisbon Humberto Delgado
Nov 4
LIS11:05 amLisbon Humberto Delgado
8h 00m
PHL2:05 pmPhiladelphia
$762
Finnair
Oct 27
PHL10:25 pmPhiladelphia
6h 40m
LIS9:05 amLisbon Humberto Delgado
Nov 4
LIS6:30 amLisbon Humberto Delgado
14h 20m
1 stop
PHL3:50 pmPhiladelphia
$768

British Airways flights from Philadelphia to Portugal

Our best British Airways deals on Philadelphia to Portugal flight tickets
British Airways
Nov 3
PHL4:00 pmPhiladelphia
15h 05m
2 stops
LIS12:05 pmLisbon Humberto Delgado
Nov 11
LIS6:35 pmLisbon Humberto Delgado
24h 20m
2 stops
PHL1:55 pmPhiladelphia
$773
British Airways
Nov 3
PHL9:25 pmPhiladelphia
6h 40m
LIS9:05 amLisbon Humberto Delgado
Nov 11
LIS11:05 amLisbon Humberto Delgado
8h 00m
PHL2:05 pmPhiladelphia
$774
British Airways
Oct 28
PHL10:25 pmPhiladelphia
6h 40m
LIS9:05 amLisbon Humberto Delgado
Nov 4
LIS11:05 amLisbon Humberto Delgado
8h 00m
PHL2:05 pmPhiladelphia
$775

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 June 14, 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

Cheapest round-trip

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 11/10

10:15 am-9:30 am

2 stops18h 15m

Porto

Tue 11/17

6:00 am-4:05 pm

1 stop15h 05m

$701

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 11/10

5:40 pm-11:45 am

1 stop13h 05m

Porto

Tue 11/17

6:00 am-4:05 pm

1 stop15h 05m

$706

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 11/10

12:09 pm-10:30 am

2 stops17h 21m

Porto

Tue 11/17

5:00 am-10:56 pm

2 stops22h 56m

$711

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 11/16

7:50 pm-8:00 pm

1 stop19h 10m

Porto

Fri 11/20

8:20 am-3:50 pm

1 stop12h 30m

$743
Quickest round-trip

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 10/28

10:25 pm-9:05 am

Nonstop6h 40m

Lisbon Humberto Delgado

Wed 11/4

11:05 am-2:05 pm

Nonstop8h 00m

$761

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 10/28

10:25 pm-9:05 am

Nonstop6h 40m

Lisbon Humberto Delgado

Wed 11/4

11:05 am-2:05 pm

Nonstop8h 00m

$762

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 10/28

7:35 pm-5:40 pm

1 stop18h 05m

Lisbon Humberto Delgado

Wed 11/4

6:30 am-3:50 pm

1 stop14h 20m

$764

PhiladelphiaFunchal

PHL - FNC

PHLFNC

Philadelphia

Tue 10/27

8:50 pm-1:30 pm

1 stop12h 40m

Funchal Madeira

Wed 11/4

2:10 pm-3:50 pm

1 stop30h 40m

$787

PhiladelphiaFunchal

PHL - FNC

PHLFNC

Philadelphia

Wed 10/28

7:35 pm-4:10 pm

1 stop16h 35m

Funchal Madeira

Thu 11/5

5:00 pm-4:15 pm

1 stop28h 15m

$832

PhiladelphiaFunchal

PHL - FNC

PHLFNC

Philadelphia

Tue 10/27

8:50 pm-11:10 am

1 stop34h 20m

Funchal Madeira

Thu 11/5

5:00 pm-4:15 pm

1 stop28h 15m

$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 March. Flight prices, which tend to average around $106, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Portugal from Philadelphia during November instead. Flights to Portugal in November, while not as cheap as those in March, still average around $485.

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 $880. 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 $1,135.

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 $1,038. 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 from Philadelphia 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 $1,018 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 $818 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

$738

Fastest flight time

6h 40m

Direct flights

Every day

Airports in Portugal

99 airports
The best one-way flight to Portugal from Philadelphia in the past 72 hours is $738. The best round-trip flight deal from Philadelphia to Portugal found on momondo in the last 72 hours is $1,064.
The fastest flight from Philadelphia to Portugal takes 6h 40m
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).

Frequently asked questions about flying from Philadelphia to Portugal

  • 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
9,820 reviews
Search United Airlines flights
IberiaPriceFrom $540Free CancellationRating
7.0
3,234 reviews
Search Iberia flights
LufthansaPriceFrom $549Free CancellationRating
6.8
8,060 reviews
Search Lufthansa flights
British AirwaysPriceFrom $590Free CancellationRating
6.7
8,047 reviews
Search British Airways flights
Aer LingusPriceFrom $622Free CancellationRating
7.3
1,603 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $631Free CancellationRating
7.2
2,273 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $674Free CancellationRating
7.1
11,657 reviews
Search American Airlines flights
FinnairPriceFrom $739Free CancellationRating
7.7
1,408 reviews
Search Finnair 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.

An easier way to manage your Portugal trip

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1 adult
Tue 7/14
Tue 7/21

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