HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$213+ Cheap flights from Philadelphia (PHL) to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIS
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Philadelphia to Portugal

Cheapest flights from Philadelphia to Portugal
Explore the most affordable flight options available from Philadelphia to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.

This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:30 am
PHL
-
OPO
2 stops18h 00m
United Airlines
Thu 11/266:00 am
OPO
-
PHL
1 stop15h 05m
United Airlines
Deal found 7/26$701
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:39 am
PHL
-
OPO
2 stops16h 51m
United Airlines
Tue 12/156:00 am
OPO
-
PHL
1 stop15h 05m
United Airlines
Deal found 7/26$705
This KAYAK deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:40 pm
PHL
-
OPO
1 stop16h 40m
Lufthansa
Tue 12/156:00 am
OPO
-
PHL
1 stop15h 05m
Lufthansa
Deal found 7/26$720
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:10 am
PHL
-
OPO
2 stops22h 20m
United Airlines
Tue 12/1512:35 pm
OPO
-
PHL
2 stops25h 49m
United Airlines
Deal found 7/26$724
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:39 am
PHL
-
OPO
2 stops16h 51m
United Airlines
Mon 12/1412:35 pm
OPO
-
PHL
1 stop32h 30m
United Airlines
Deal found 7/26$725
This Justfly.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:40 pm
PHL
-
OPO
1 stop13h 05m
Lufthansa
Mon 12/1412:35 pm
OPO
-
PHL
1 stop32h 30m
Lufthansa
Deal found 7/26$734
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:45 am
PHL
-
OPO
2 stops18h 45m
United Airlines
Mon 11/1612:35 pm
OPO
-
PHL
2 stops39h 56m
United Airlines
Deal found 7/28$735
This Travelocity deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:20 pm
PHL
-
LIS
1 stop15h 20m
Air Canada
Tue 11/312:50 pm
LIS
-
PHL
1 stop30h 54m
Air Canada
Deal found 7/26$736
This Expedia deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:50 pm
PHL
-
OPO
1 stop19h 10m
Iberia
Mon 11/98:40 pm
OPO
-
PHL
1 stop24h 40m
Iberia
Deal found 7/27$736
This Expedia deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:38 pm
PHL
-
OPO
2 stops12h 07m
Iberia
Mon 11/1612:25 pm
OPO
-
PHL
1 stop32h 55m
Iberia
Deal found 7/28$740
This Orbitz deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:20 pm
PHL
-
LIS
1 stop10h 35m
Air Canada
Wed 11/1811:20 am
LIS
-
PHL
1 stop34h 01m
Air Canada
Deal found 7/29$741
This Flightnetwork deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:05 pm
PHL
-
LIS
1 stop11h 15m
Air Canada
Fri 11/65:00 am
LIS
-
PHL
2 stops22h 56m
Air Canada
Deal found 7/30$743

Find flight deals from Philadelphia to Portugal

Keep the following information in mind while searching for Philadelphia to Portugal flight deals. Data was last updated July 30, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$701
(United Airlines)

One-way from

$213
(Ovago)

Popular in

June

Cheapest in

March

Average price

$1,431

Good round-trip deal

$994 or less

Good one-way deal

$634 or less
Provider with most accurate pricing for Philadelphia-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Lisbon Humberto Delgado flights.
Search Deals
From Philadelphia to Portugal
Search Deals
One-way flight from Philadelphia to Portugal
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($338 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Philadelphia to Portugal.
Search Deals
Price to beat on a one-way flight from Philadelphia to Portugal.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 30, 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

PhiladelphiaPonta Delgada

PHL - PDL

PHLPDL

Philadelphia

Thu 11/12

3:30 pm-6:20 am

1 stop10h 50m

Ponta Delgada Nordela

Tue 11/17

8:10 am-9:39 am

2 stops29h 29m

$750

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 11/15

9:45 am-9:30 am

2 stops18h 45m

Porto

Wed 11/18

12:35 pm-9:49 am

2 stops26h 14m

$763

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 9/21

5:40 pm-11:15 am

1 stop12h 35m

Porto

Wed 9/30

6:00 am-4:05 pm

1 stop15h 05m

$776

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 1/12

6:51 pm-6:55 am

2 stops31h 04m

Lisbon Humberto Delgado

Fri 1/22

5:00 am-4:21 pm

2 stops40h 21m

$777

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Fri 10/30

5:05 pm-12:50 pm

2 stops15h 45m

Porto

Sun 11/8

6:00 am-4:05 pm

1 stop15h 05m

$782

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 8/11

10:30 am-7:00 am

2 stops15h 30m

Porto

Wed 8/19

11:20 am-2:40 pm

2 stops32h 20m

$787

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 8/11

10:30 am-7:00 am

2 stops15h 30m

Porto

Thu 8/20

11:50 am-12:23 pm

2 stops29h 33m

$787

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 8/18

10:34 am-7:00 am

2 stops15h 26m

Porto

Tue 8/25

12:15 pm-5:54 pm

2 stops34h 39m

$792

PhiladelphiaFaro

PHL - FAO

PHLFAO

Philadelphia

Wed 10/21

3:40 pm-7:30 pm

2 stops22h 50m

Faro

Mon 10/26

2:40 pm-11:12 pm

2 stops36h 32m

$800

PhiladelphiaFaro

PHL - FAO

PHLFAO

Philadelphia

Mon 8/17

10:34 am-9:10 am

2 stops17h 36m

Faro

Wed 9/2

1:45 pm-4:05 pm

1 stop31h 20m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 58 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Philadelphia to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Portugal

What is the cheapest month to book a flight from Philadelphia to Portugal?

Currently, March is the cheapest month in which you can book a flight from Philadelphia to Portugal (average of $758). Flying from Philadelphia to Portugal in June is currently the most expensive (average of $1,506). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to PT?

Find hourly flight availability from Philadelphia to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Portugal as you normally would.

Weekly flight availability from Philadelphia to Portugal

Explore weekly flight availability from Philadelphia to Portugal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2026.

The most flights from PHL to PT0 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How far ahead should I book a flight from Philadelphia to Portugal?

The best time to book flights from Philadelphia to Portugal is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated July 30, 2026.
Read reviews from past customers who have flown Finnair,Aer Lingus, andAmerican Airlines from Philadelphia to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,426 reviews

Boarding

7.7

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
Finnair
7.6
Good
1,426 reviews
Finnair
7.6
Good
1,426 reviews

Boarding

7.7

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
Aer Lingus
7.3
Good
1,683 reviews
Finnair
7.6
Good
1,426 reviews

Boarding

7.7

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
American Airlines
7.1
Good
11,842 reviews
Finnair
7.6
Good
1,426 reviews

Boarding

7.7

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
Iberia
7.0
Good
3,261 reviews
Finnair
7.6
Good
1,426 reviews

Boarding

7.7

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
British Airways
6.7
Okay
8,129 reviews
Finnair
7.6
Good
1,426 reviews

Boarding

7.7

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Portugal?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Portugal.

  • How popular is this Philadelphia to Portugal flight route?

    Within the past month, 3 users have taken a look at flights from Philadelphia to Portugal.

  • How long is the flight from Philadelphia to Portugal?

    For as low as $720, United Airlines can have you in Portugal from Philadelphia in 16h 40m. Philadelphia and Portugal are separated by a distance of 3403 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Philadelphia to Portugal one-way?

    The cheapest airlines for a one-way flight from Philadelphia to Portugal are Iberia ($287), United Airlines ($321), and Air Canada ($321).

  • What are the most popular routes from Philadelphia to Portugal?

    Most travelers choose Philadelphia - Lisbon Humberto Delgado, Philadelphia - Porto or Philadelphia - Ponta Delgada Nordela when deciding on the best route from Philadelphia to Portugal.

  • What are the most reliable airlines from Philadelphia to Portugal?

    No one likes to see their flight delayed. When booking a flight from Philadelphia to Portugal consider choosing American Airlines (77%), Finnair (77%) or Iberia (77%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Philadelphia to Portugal?

    Looking for the cheapest flight from Philadelphia to Portugal? While on average our users pay $951, our data indicates the cheapest price to be $462. The most popular route (Philadelphia - Lisbon Humberto Delgado), is priced around $744.

  • Can I find deals for flights from Philadelphia to Portugal that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Portugal.

  • Can I find deals for business class flights from Philadelphia to Portugal?

    Yes. Cheapflights offers flight deals from Philadelphia to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Portugal?

    Currently, March is the cheapest month in which you can book a flight from Philadelphia to Portugal (average of $758). Flying from Philadelphia to Portugal in June is currently the most expensive (average of $1,506). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Gatwick flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Istanbul flights
Dulles Intl to Heathrow flights
Newark to Athens flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to Athens flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Orly flights
John F Kennedy Intl to Frederic Chopin flights
Newark to Madrid flights
Newark to Dublin flights
John F Kennedy Intl to Malpensa flights
John F Kennedy Intl to Madrid flights
John F Kennedy Intl to Dublin flights
Newark to Lisbon flights
LaGuardia to Gatwick flights
Newark to Orly flights
Newark to Frankfurt flights
Newark to Malpensa flights
Dulles Intl to Charles de Gaulle flights
John F Kennedy Intl to Frankfurt flights
John F Kennedy Intl to Copenhagen flights
Newark to Istanbul flights
LaGuardia to Athens flights
Newark to Copenhagen flights
Newark to Stansted flights
Newark to London City flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Newark to Frederic Chopin flights
Newark to Amsterdam flights
Dulles Intl to Istanbul flights
John F Kennedy Intl to Vicenza flights
Reagan-National to Heathrow flights
LaGuardia to Lisbon flights
Newark to Keflavik Intl flights

Top 7 airlines flying from Philadelphia to Portugal

Discover the top 7 airlines that operate flights from Philadelphia to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$489Average$789FlexibilityNo cancel feeOn-time69%
IberiaCheapest$546Average$871FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$620Average$992FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$622Average$1,039FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$631Average$817FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$665Average$1,105FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$695Average$1,193FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.