Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to Portugal from $280

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 2/10. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
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
British Airways Logo
6:45 pm - 7:05 pm
PHL
-
OPO
19h 20m
1 stop
British Airways Logo
12:25 pm - 10:52 am
OPO
-
PHL
27h 27m
2 stops
$449British Airways
Wed, Apr 29 - Thu, May 7
Iberia Logo
7:45 pm - 8:00 pm
PHL
-
OPO
20h 15m
1 stop
Iberia Logo
10:00 pm - 3:25 pm
OPO
-
PHL
22h 25m
1 stop
$453Iberia
Mon, Mar 9 - Mon, Mar 30
Multiple Airlines Logo
7:45 pm - 8:00 pm
PHL
-
OPO
19h 15m
1 stop
Multiple Airlines Logo
8:20 am - 7:48 pm
OPO
-
PHL
16h 28m
2 stops
$456Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
United Airlines Logo
12:55 pm - 9:30 am
PHL
-
OPO
15h 35m
2 stops
United Airlines Logo
6:00 am - 3:49 pm
OPO
-
PHL
38h 49m
2 stops
$464United Airlines
Wed, Feb 25 - Wed, Mar 4
TAP AIR PORTUGAL Logo
3:02 pm - 5:10 pm
PHL
-
FNC
21h 08m
2 stops
TAP AIR PORTUGAL Logo
7:50 am - 10:36 pm
FNC
-
PHL
19h 46m
2 stops
$681TAP AIR PORTUGAL
Wed, Feb 25 - Wed, Mar 4
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 - 8:20 am
PHL
-
PDL
13h 18m
2 stops
TAP AIR PORTUGAL Logo
6:30 am - 10:36 pm
PDL
-
PHL
19h 06m
2 stops
$716TAP AIR PORTUGAL
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
8:02 pm - 4:05 pm
PHL
-
FAO
39h 03m
2 stops
United Airlines Logo
1:10 pm - 9:09 pm
FAO
-
PHL
36h 59m
2 stops
$934United Airlines
Thu, Feb 26 - Thu, Mar 5

Finnair flights from Philadelphia to Portugal

Our best Finnair deals on Philadelphia to Portugal flight tickets
Finnair
Mar 18
PHL7:45 pmPhiladelphia
23h 40m
1 stop
LIS11:25 pmLisbon Humberto Delgado
Mar 31
LIS6:35 amLisbon Humberto Delgado
16h 00m
1 stop
PHL5:35 pmPhiladelphia
$577
Finnair
Apr 17
PHL7:50 pmPhiladelphia
14h 45m
1 stop
LIS3:35 pmLisbon Humberto Delgado
Apr 22
LIS6:35 amLisbon Humberto Delgado
16h 05m
1 stop
PHL5:40 pmPhiladelphia
$602
Finnair
Mar 8
PHL10:10 pmPhiladelphia
6h 55m
LIS9:05 amLisbon Humberto Delgado
Mar 17
LIS6:30 amLisbon Humberto Delgado
14h 25m
1 stop
PHL4:55 pmPhiladelphia
$605

American Airlines flights from Philadelphia to Portugal

Our best American Airlines deals on Philadelphia to Portugal flight tickets
American Airlines
Jan 19
PHL7:50 pmPhiladelphia
14h 05m
1 stop
LIS2:55 pmLisbon Humberto Delgado
Jan 26
LIS10:35 amLisbon Humberto Delgado
32h 15m
1 stop
PHL1:50 pmPhiladelphia
$582
American Airlines
Feb 1
PHL11:00 amPhiladelphia
15h 40m
2 stops
LIS7:40 amLisbon Humberto Delgado
Feb 25
LIS6:30 amLisbon Humberto Delgado
13h 55m
1 stop
PHL3:25 pmPhiladelphia
$583
American Airlines
Jan 19
PHL9:35 pmPhiladelphia
6h 30m
LIS9:05 amLisbon Humberto Delgado
Jan 26
LIS10:35 amLisbon Humberto Delgado
32h 15m
1 stop
PHL1:50 pmPhiladelphia
$761

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 13, 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

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

Wed 4/29

6:45 pm-7:05 pm

1 stop19h 20m

Porto

Thu 5/7

12:25 pm-10:52 am

2 stops27h 27m

$449

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 3/9

7:45 pm-8:00 pm

1 stop20h 15m

Porto

Mon 3/30

10:00 pm-3:25 pm

1 stop22h 25m

$453

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/18

7:45 pm-8:00 pm

1 stop19h 15m

Porto

Wed 2/25

8:20 am-7:48 pm

2 stops16h 28m

$456

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/25

12:55 pm-9:30 am

2 stops15h 35m

Porto

Wed 3/4

6:00 am-3:49 pm

2 stops38h 49m

$464

PhiladelphiaFunchal

PHL - FNC

PHLFNC

Philadelphia

Wed 2/25

3:02 pm-5:10 pm

2 stops21h 08m

Funchal Madeira

Wed 3/4

7:50 am-10:36 pm

2 stops19h 46m

$681

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-8:20 am

2 stops13h 18m

Ponta Delgada Nordela

Tue 3/10

6:30 am-10:36 pm

2 stops19h 06m

$716

PhiladelphiaFaro

PHL - FAO

PHLFAO

Philadelphia

Thu 2/26

8:02 pm-4:05 pm

2 stops39h 03m

Faro

Thu 3/5

1:10 pm-9:09 pm

2 stops36h 59m

$934

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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
9,156 reviews
Search United Airlines flights
IberiaPriceFrom $564Free CancellationRating
7.0
3,086 reviews
Search Iberia flights
American AirlinesPriceFrom $567Free CancellationRating
7.2
11,120 reviews
Search American Airlines flights
British AirwaysPriceFrom $576Free CancellationRating
6.7
7,671 reviews
Search British Airways flights
LufthansaPriceFrom $576Free CancellationRating
6.8
7,711 reviews
Search Lufthansa flights
FinnairPriceFrom $617Free CancellationRating
7.6
1,348 reviews
Search Finnair flights
Aer LingusPriceFrom $639Free CancellationRating
7.2
1,435 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $666Free CancellationRating
7.1
2,119 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.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 2/12
Thu 2/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $371
Flights to Portofrom $336
Flights to Funchalfrom $387
Flights to Farofrom $386
Flights to Ponta Delgadafrom $422
Flights to Lajesfrom $421
Flights to Hortafrom $490
Flights to Pico Islandfrom $470
Flights to Porto Santofrom $693
Flights to Velasfrom $482