HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$303+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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

Keep the following information in mind while searching for Philadelphia to Portugal flight deals. Data was last updated June 12, 2025.

Round-trip from

$638
(Air Canada)

One-way from

$312
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,452

Good round-trip deal

$754 or less

Good one-way deal

$667 or less
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 ($298 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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

Find 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:35 pmPHL - OPO
2 stops18h 10mAmerican Airlines
Wed 11/58:40 pmOPO - PHL
1 stop23h 55mAmerican Airlines
Deal found 6/12$607
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/209:20 amPHL - OPO
1 stop19h 15mMultiple Airlines
Tue 10/76:00 amOPO - PHL
1 stop15h 00mMultiple Airlines
Deal found 6/10$609
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:35 pmPHL - OPO
1 stop13h 05mLufthansa
Wed 11/54:15 pmOPO - PHL
1 stop28h 45mLufthansa
Deal found 6/12$618
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 8/163:20 pmPHL - OPO
1 stop13h 15mUnited Airlines
Thu 8/2812:10 pmOPO - PHL
2 stops34h 11mUnited Airlines
Deal found 6/12$627
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/188:15 amPHL - OPO
2 stops20h 20mAir Canada
Tue 8/2612:50 pmOPO - PHL
2 stops30h 16mAir Canada
Deal found 6/12$645
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/11:35 pmPHL - OPO
2 stops14h 05mIberia
Tue 11/118:20 amOPO - PHL
2 stops17h 00mIberia
Deal found 6/10$657
This British Airways deal was found by Cheapflights users on 6/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:45 pmPHL - OPO
1 stop15h 20mBritish Airways
Sun 11/98:20 amOPO - PHL
1 stop12h 15mBritish Airways
Deal found 6/12$667
This SWISS deal was found by Cheapflights users on 6/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/177:56 amPHL - OPO
2 stops42h 59mSWISS
Fri 8/298:40 amOPO - PHL
2 stops37h 41mSWISS
Deal found 6/10$678
This Travelocity deal was found by Cheapflights users on 6/9. 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.
Thu 9/48:30 pmPHL - LIS
1 stop20h 05mAer Lingus
Wed 9/1010:15 pmLIS - PHL
1 stop25h 45mAer Lingus
Deal found 6/9$679
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 9/1810:10 amPHL - PDL
2 stops18h 30mUnited Airlines
Mon 9/2211:00 amPDL - PHL
2 stops17h 20mUnited Airlines
Deal found 6/12$680
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/175:35 pmPHL - LIS
1 stop16h 50mUnited Airlines
Tue 9/2312:20 pmLIS - PHL
2 stops28h 36mUnited Airlines
Deal found 6/10$685
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/21:49 pmPHL - LIS
2 stops21h 16mIberia
Mon 10/208:25 amLIS - PHL
1 stop12h 35mIberia
Deal found 6/10$686

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 June 12, 2025.
Use the filters below to find and compare flights from Philadelphia to Portugal that are best for you.

Fly from

Philadelphia

Fly to

Portugal

Route

Depart

Return

Price

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 10/28

1:35 pm-11:45 am

2 stops18h 10m

Porto

Wed 11/5

8:40 pm-3:35 pm

1 stop23h 55m

$607

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sat 9/20

9:20 am-9:35 am

1 stop19h 15m

Porto

Tue 10/7

6:00 am-4:00 pm

1 stop15h 00m

$609

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Tue 10/28

6:35 pm-11:40 am

1 stop13h 05m

Porto

Wed 11/5

4:15 pm-4:00 pm

1 stop28h 45m

$618

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sat 8/16

3:20 pm-9:35 am

1 stop13h 15m

Porto

Thu 8/28

12:10 pm-5:21 pm

2 stops34h 11m

$627

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sat 9/20

3:25 pm-9:35 am

1 stop13h 10m

Porto

Tue 10/7

6:00 am-2:38 pm

2 stops37h 38m

$636

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sat 11/1

1:35 pm-7:40 am

2 stops14h 05m

Porto

Tue 11/11

8:20 am-8:20 pm

2 stops17h 00m

$657

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 11/5

7:45 pm-4:05 pm

1 stop15h 20m

Porto

Sun 11/9

8:20 am-3:35 pm

1 stop12h 15m

$667

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 8/17

7:56 am-7:55 am

2 stops42h 59m

Porto

Fri 8/29

8:40 am-5:21 pm

2 stops37h 41m

$678

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Thu 9/4

8:30 pm-9:35 pm

1 stop20h 05m

Lisbon Humberto Delgado

Wed 9/10

10:15 pm-7:00 pm

1 stop25h 45m

$679

PhiladelphiaPonta Delgada

PHL - PDL

PHLPDL

Philadelphia

Thu 9/18

10:10 am-8:40 am

2 stops18h 30m

Ponta Delgada Nordela

Mon 9/22

11:00 am-12:20 am

2 stops17h 20m

$680

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 53 results
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, January is the cheapest month in which you can book a flight from Philadelphia to Portugal (average of $612). Flying from Philadelphia to Portugal in June is currently the most expensive (average of $1,136). 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 June 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from Philadelphia to Portugal by exploring options for tickets in the morning.

What is the cheapest day to fly from Philadelphia to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Philadelphia to Portugal flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 June 12, 2025.

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).

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
To help decide which airline to fly from Philadelphia to Portugal, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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, 4 users have taken a look at flights from Philadelphia to Portugal.

  • 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 Air Canada ($417), TAP AIR PORTUGAL ($424), and United Airlines ($429).

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

    Most travelers choose Philadelphia - Lisbon Humberto Delgado, Philadelphia - Porto or Philadelphia - Faro 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 (80%), Finnair (80%) or Iberia (80%) 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 $1,406, our data indicates the cheapest price to be $537. The most popular route (Philadelphia - Lisbon Humberto Delgado), is priced around $463.

  • 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, January is the cheapest month in which you can book a flight from Philadelphia to Portugal (average of $612). Flying from Philadelphia to Portugal in June is currently the most expensive (average of $1,136). 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 Charles de Gaulle flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Heathrow flights
Newark to Charles de Gaulle flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Orly flights
John F Kennedy Intl to Athens flights
Newark to Athens flights
John F Kennedy Intl to Istanbul flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to Barcelona-El Prat flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Orly flights
Newark to Lisbon flights
LaGuardia to Charles de Gaulle flights
Newark to Gatwick flights
Dulles Intl to Heathrow flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Madrid flights
Dulles Intl to Charles de Gaulle flights
John F Kennedy Intl to Dublin flights
John F Kennedy Intl to Frederic Chopin flights
Newark to Dublin flights
John F Kennedy Intl to Malpensa flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Newark to Malpensa flights
Newark to Madrid flights
Newark to Frankfurt flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Vicenza flights
LaGuardia to Athens flights
John F Kennedy Intl to Frankfurt flights
Dulles Intl to Istanbul flights
LaGuardia to Lisbon flights
Dulles Intl to Athens flights
Dulles Intl to Madrid flights
John F Kennedy Intl to Amsterdam flights
Newark to London City flights
Newark to Vicenza flights
Dulles Intl to Gatwick flights
LaGuardia to Barcelona-El Prat flights
Newark to Keflavik Intl flights
John F Kennedy Intl to Zurich flights
John F Kennedy Intl to Naples flights
Dulles Intl to London City flights

Top 10 airlines flying from Philadelphia to Portugal

Discover the top 10 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$560Average$861FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$567Average$962FlexibilityNo cancel feeOn-time71%
IberiaCheapest$571Average$930FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$572Average$917FlexibilityNo cancel feeOn-time70%
DeltaCheapest$604Average$944FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$610Average$862FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$612Average$693FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$617Average$818FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$639Average$989FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$710Average$868FlexibilityNo cancel feeOn-timeN/A

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.