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$273+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$619
(British Airways)

One-way from

$273
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,239

Good round-trip deal

$967 or less

Good one-way deal

$688 or less
Provider with most accurate pricing for Philadelphia-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Lisbon Humberto Delgado flights.
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From Philadelphia to Portugal
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One-way flight from Philadelphia to Portugal
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Highest demand for flights based on searches. 25% potential increase in price ($329 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Philadelphia to Portugal.
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Price to beat on a one-way flight from Philadelphia to Portugal.
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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 May 1, 2025.

This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/263:30 pmPHL - OPO
2 stops15h 10mBritish Airways
Sat 10/48:15 amOPO - PHL
2 stops17h 05mBritish Airways
Deal found 4/30$619
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/207:58 pmPHL - PDL
2 stops32h 42mUnited Airlines
Wed 8/2711:00 amPDL - PHL
2 stops11h 55mUnited Airlines
Deal found 4/30$631
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/263:30 pmPHL - OPO
2 stops15h 10mMultiple Airlines
Sat 10/48:35 pmOPO - PHL
1 stop24h 20mMultiple Airlines
Deal found 4/30$642
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:15 pmPHL - OPO
2 stops18h 55mDelta
Tue 8/196:35 amOPO - PHL
2 stops22h 52mDelta
Deal found 4/30$686
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:20 amPHL - PDL
2 stops19h 25mTAP AIR PORTUGAL
Thu 10/309:30 amPDL - PHL
2 stops28h 07mTAP AIR PORTUGAL
Deal found 4/30$699
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:20 pmPHL - LIS
Nonstop6h 45mIberia
Mon 11/311:05 amLIS - PHL
Nonstop8h 00mIberia
Deal found 4/29$719
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/155:35 pmPHL - OPO
1 stop17h 10mUnited Airlines
Tue 8/1912:50 pmOPO - PHL
2 stops28h 11mUnited Airlines
Deal found 4/30$751
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/274:30 pmPHL - LIS
2 stops36h 50mAir Canada
Sat 11/85:00 amLIS - PHL
2 stops22h 56mAir Canada
Deal found 4/29$760
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:30 pmPHL - LIS
1 stop18h 25mAmerican Airlines
Wed 10/226:35 amLIS - PHL
1 stop14h 25mAmerican Airlines
Deal found 4/29$764
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1810:20 amPHL - LIS
1 stop14h 20mTAP AIR PORTUGAL
Fri 10/247:05 amLIS - PHL
2 stops20h 17mTAP AIR PORTUGAL
Deal found 4/30$766
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:15 pmPHL - LIS
2 stops16h 35mDelta
Sat 11/15:30 amLIS - PHL
2 stops19h 46mDelta
Deal found 4/30$768
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:45 amPHL - LIS
2 stops21h 35mMultiple Airlines
Wed 10/226:25 amLIS - PHL
3 stops36h 04mMultiple Airlines
Deal found 4/29$776

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 May 1, 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

Fri 9/26

3:30 pm-11:40 am

2 stops15h 10m

Porto

Sat 10/4

8:15 am-8:20 pm

2 stops17h 05m

$619

PhiladelphiaPonta Delgada

PHL - PDL

PHLPDL

Philadelphia

Wed 8/20

7:58 pm-8:40 am

2 stops32h 42m

Ponta Delgada Nordela

Wed 8/27

11:00 am-9:31 pm

2 stops14h 31m

$631

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Fri 9/26

3:30 pm-11:40 am

2 stops15h 10m

Porto

Sat 10/4

8:35 pm-3:55 pm

1 stop24h 20m

$642

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Fri 8/15

6:15 pm-6:10 pm

2 stops18h 55m

Porto

Tue 8/19

6:35 am-12:27 am

2 stops22h 52m

$686

PhiladelphiaPonta Delgada

PHL - PDL

PHLPDL

Philadelphia

Tue 10/14

10:20 am-9:45 am

2 stops19h 25m

Ponta Delgada Nordela

Thu 10/30

9:30 am-10:37 am

2 stops28h 07m

$699

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Fri 8/15

5:35 pm-3:45 pm

1 stop17h 10m

Porto

Tue 8/19

12:50 pm-12:01 pm

2 stops28h 11m

$751

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 10/14

9:20 pm-9:05 am

Nonstop6h 45m

Lisbon Humberto Delgado

Wed 10/22

6:35 am-4:00 pm

1 stop14h 25m

$760

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 10/14

9:20 pm-9:05 am

Nonstop6h 45m

Lisbon Humberto Delgado

Wed 10/22

11:05 am-1:55 pm

Nonstop7h 50m

$762

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 10/14

6:30 pm-11:00 pm

1 stop23h 30m

Lisbon Humberto Delgado

Wed 10/22

11:05 am-1:55 pm

Nonstop7h 50m

$765

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 9/23

6:00 am-5:40 am

1 stop18h 40m

Lisbon Humberto Delgado

Tue 9/30

12:55 pm-10:22 pm

2 stops38h 27m

$766

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 51 results
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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 $1,178). 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 May 1, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 26% 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.

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 May 1, 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
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 TAP AIR PORTUGAL ($549), Aer Lingus ($582), and Delta ($642).

  • 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 $973, our data indicates the cheapest price to be $588. The most popular route (Philadelphia - Lisbon Humberto Delgado), is priced around $634.

  • 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 $1,178). 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

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Alternative routes for Philadelphia to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Philadelphia to Portugal

Discover the top 9 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$562Average$1,077FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$583Average$931FlexibilityNo cancel feeOn-time70%
IberiaCheapest$586Average$920FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$589Average$963FlexibilityNo cancel feeOn-time71%
DeltaCheapest$604Average$941FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$613Average$877FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$617Average$817FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$626Average$884FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$710Average$864FlexibilityNo cancel feeOn-timeN/A

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