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$312+ Cheap flights from Philadelphia (PHL) to Lisbon (LIS)

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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIS
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Philadelphia to Lisbon Humberto Delgado are usually found in January or February, booked 15 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Philadelphia to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$778
(Mytrip)

One-way from

$373
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$916

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 Lisbon Humberto Delgado
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One-way flight from Philadelphia to Lisbon Humberto Delgado
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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 April 2025
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Price to beat on a round-trip flight from Philadelphia to Lisbon Humberto Delgado.
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Price to beat on a one-way flight from Philadelphia to Lisbon Humberto Delgado.
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Find flight deals from Philadelphia to Lisbon

Cheapest flights from Philadelphia to Lisbon
Explore the most affordable flight options available from Philadelphia to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:10 amPHL - LIS
2 stops19h 05mUnited Airlines
Wed 12/311:00 amLIS - PHL
2 stops27h 24mUnited Airlines
Deal found 4/27$707
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:40 pmPHL - LIS
1 stop22h 10mAmerican Airlines
Wed 12/311:15 amLIS - PHL
Nonstop7h 50mAmerican Airlines
Deal found 4/27$708
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:20 pmPHL - LIS
Nonstop6h 45mBritish Airways
Mon 11/38:45 pmLIS - PHL
1 stop23h 50mBritish Airways
Deal found 4/28$713
This Finnair deal was found by Cheapflights users on 4/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:20 pmPHL - LIS
1 stop19h 50mMultiple Airlines
Mon 11/38:45 pmLIS - PHL
1 stop23h 50mMultiple Airlines
Deal found 4/28$716
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:20 amPHL - LIS
2 stops22h 40mTAP AIR PORTUGAL
Tue 10/215:35 pmLIS - PHL
1 stop20h 45mTAP AIR PORTUGAL
Deal found 4/28$731
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 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 4/28$758
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/263:30 pmPHL - LIS
2 stops13h 50mAir Canada
Sun 11/25:00 amLIS - PHL
2 stops22h 56mAir Canada
Deal found 4/27$760
This Finnair deal was found by Cheapflights users on 4/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:15 pmPHL - LIS
Nonstop6h 40mFinnair
Sun 12/77:45 amLIS - PHL
1 stop12h 50mFinnair
Deal found 4/28$802
This Expedia deal was found by Cheapflights users on 4/28. 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.
Thu 12/49:30 amPHL - LIS
2 stops25h 35mScandinavian Airlines
Mon 12/84:55 pmLIS - PHL
2 stops33h 21mScandinavian Airlines
Deal found 4/28$812
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:00 amPHL - LIS
2 stops46h 40mTurkish Airlines
Mon 9/295:55 amLIS - PHL
2 stops32h 25mTurkish Airlines
Deal found 4/28$818
This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:30 pmPHL - LIS
1 stop20h 05mAer Lingus
Mon 9/111:25 amLIS - PHL
1 stop12h 35mAer Lingus
Deal found 4/28$868
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2010:25 amPHL - LIS
2 stops29h 55mIcelandair
Sun 8/3110:25 pmLIS - PHL
2 stops40h 23mIcelandair
Deal found 4/28$915

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to Lisbon 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 April 29, 2025.
Use the filters below to find and compare flights from Philadelphia to Lisbon that are best for you.

Fly from

Philadelphia

Fly to

Lisbon

Route

Depart

Return

Price

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 10/20

9:20 pm-9:05 am

Nonstop6h 45m

Lisbon Humberto Delgado

Mon 11/3

8:45 pm-3:35 pm

1 stop23h 50m

$713

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 10/20

10:20 pm-11:10 pm

1 stop19h 50m

Lisbon Humberto Delgado

Mon 11/3

8:45 pm-3:35 pm

1 stop23h 50m

$716

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 10/14

10:20 am-2:00 pm

2 stops22h 40m

Lisbon Humberto Delgado

Tue 10/21

5:35 pm-9:20 am

1 stop20h 45m

$731

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 10/20

9:20 pm-9:05 am

Nonstop6h 45m

Lisbon Humberto Delgado

Mon 11/3

11:05 am-2:05 pm

Nonstop8h 00m

$758

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sun 10/26

4:30 pm-9:20 am

1 stop12h 50m

Lisbon Humberto Delgado

Sun 11/2

5:00 am-11:56 pm

2 stops22h 56m

$760

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sat 10/18

7:58 pm-9:20 am

2 stops32h 22m

Lisbon Humberto Delgado

Sat 11/1

11:55 am-10:24 am

1 stop26h 29m

$780

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 9/17

6:00 am-9:40 am

2 stops46h 40m

Lisbon Humberto Delgado

Mon 9/29

5:55 am-9:20 am

2 stops32h 25m

$818

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 8/19

1:15 pm-9:05 am

2 stops38h 50m

Lisbon Humberto Delgado

Tue 8/26

12:10 pm-9:14 pm

2 stops38h 04m

$832

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Fri 8/22

8:30 pm-9:35 pm

1 stop20h 05m

Lisbon Humberto Delgado

Mon 9/1

11:25 am-7:00 pm

1 stop12h 35m

$868

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Thu 9/18

8:25 pm-7:45 am

1 stop30h 20m

Lisbon Humberto Delgado

Sun 9/21

7:20 am-3:25 pm

1 stop13h 05m

$899

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 26 results
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Compare providers for flights from Philadelphia to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Lisbon in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Lisbon flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Philadelphia-Lisbon flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Philadelphia-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Lisbon flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon 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 Lisbon

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

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Lisbon. Price data was last updated on April 25, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Lisbon, you should look to book at least 15 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Lisbon (average of $612). Flying from Philadelphia to Lisbon 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 LIS?

Find hourly flight availability from Philadelphia to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

It’s typically best to fly out from Philadelphia to Lisbon in the morning. Doing so could potentially save you 28% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Philadelphia to Lisbon

Explore weekly flight availability from Philadelphia to Lisbon. 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 April 29, 2025.

The most flights from PHL to LIS 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 Lisbon by month

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

In terms of precipitation, rainfall in Lisbon 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 Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

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

If weather is an important factor for your trip to Lisbon, 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 Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated April 29, 2025.
See what other customers who have flown with Delta, Finnair and Air France from Philadelphia to Lisbon have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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
1,273 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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
1,444 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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.
Turkish Airlines
7.3
Good
3,785 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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 Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Philadelphia to Lisbon?

    Lisbon Humberto Delgado is the airport most travelers will use when flying to Lisbon from Philadelphia. Booking flights from Philadelphia (PHL) to Humberto Delgado (LIS) should be relatively easy as there are 4 daily flights to Lisbon from 7 different airlines. 6h 40m is how long a flight from Philadelphia to Lisbon Humberto Delgado will take if you book a nonstop flight.

  • How popular is this Philadelphia to Lisbon flight route?

    The Philadelphia to Lisbon Humberto Delgado flight path was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Philadelphia to Lisbon round-trip?

    TAP AIR PORTUGAL, at $826, was found to be the cheapest airline from Philadelphia to Lisbon.Alternate airlines to your destination round-trip include Scandinavian Airlines and Aer Lingus. Users have found that TAP AIR PORTUGAL is 14% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Philadelphia to Lisbon are TAP AIR PORTUGAL ($483), Aer Lingus ($563), and Iberia ($667).

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

    The top 3 most reliable airlines when flying from Philadelphia to Lisbon are American Airlines (77%), Finnair (77%) and Iberia (77%).

  • What are the cheapest flights from Philadelphia to Lisbon?

    While on average a flight from Philadelphia to Lisbon is generally $973, our data shows the cheapest flight currently is $588. When looking at the most popular route, (Philadelphia - Lisbon Humberto Delgado), you can expect to pay $708 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Lisbon 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 Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Lisbon (average of $612). Flying from Philadelphia to Lisbon 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Sintra
Beja
Nazaré
Costa da Caparica
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

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Alternative routes for Philadelphia to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Philadelphia to Lisbon

Discover the top 7 airlines that operate flights from Philadelphia to Lisbon. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$562Average$919FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$583Average$934FlexibilityNo cancel feeOn-time70%
IberiaCheapest$583Average$944FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$587Average$1,028FlexibilityNo cancel feeOn-time71%
FinnairCheapest$613Average$881FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$626Average$970FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$710Average$864FlexibilityNo cancel feeOn-timeN/A

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