Lisbon

$330+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIS
Mar 30 — Apr 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Lisbon 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.

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 Thursday

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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$680
(Kiwi.com)

One-way from

$330
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$826

Good round-trip deal

$870 or less

Good one-way deal

$641 or less
Provider with most accurate pricing for Philadelphia-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Lisbon Humberto Delgado flights.
From Philadelphia to Lisbon Humberto Delgado
One-way flight from Philadelphia to Lisbon Humberto Delgado
Highest demand for flights based on searches. 26% potential increase in price ($341 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Philadelphia to Lisbon Humberto Delgado.
Price to beat on a one-way flight from Philadelphia to Lisbon Humberto Delgado.

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 March 25, 2025.

This Finnair deal was found by Cheapflights users on 3/24. 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 12/299:15 pmPHL - LIS
Nonstop6h 50mFinnair
Fri 1/96:30 amLIS - PHL
1 stop14h 05mFinnair
Deal found 3/24$690
This United deal was found by Cheapflights users on 3/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:15 amPHL - LIS
1 stop19h 00mUnited Airlines
Fri 1/911:00 amLIS - PHL
2 stops35h 22mUnited Airlines
Deal found 3/24$700
This Finnair deal was found by Cheapflights users on 3/24. 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 3/24$703
This Iberia deal was found by Cheapflights users on 3/24. 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.
Wed 11/57:00 pmPHL - LIS
Nonstop6h 55mIberia
Tue 11/118:45 pmLIS - PHL
1 stop23h 50mIberia
Deal found 3/24$710
This FlightHub deal was found by Cheapflights users on 3/24. 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.
Mon 9/226:00 amPHL - LIS
2 stops45h 45mTAP AIR PORTUGAL
Fri 10/35:35 pmLIS - PHL
1 stop20h 45mTAP AIR PORTUGAL
Deal found 3/24$728
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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 11/186:40 pmPHL - LIS
1 stop22h 05mBritish Airways
Fri 11/287:05 amLIS - PHL
1 stop14h 15mBritish Airways
Deal found 3/24$729
This American Airlines deal was found by Cheapflights users on 3/24. 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 11/57:45 pmPHL - LIS
1 stop17h 00mAmerican Airlines
Tue 11/1112:55 pmLIS - PHL
1 stop29h 15mAmerican Airlines
Deal found 3/24$730
This Justfly.com deal was found by Cheapflights users on 3/24. 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.
Mon 10/206:55 amPHL - LIS
2 stops21h 25mAir Canada
Mon 11/311:00 amLIS - PHL
2 stops36h 40mAir Canada
Deal found 3/24$752
This Expedia deal was found by Cheapflights users on 3/24. 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 5/128:30 pmPHL - LIS
1 stop20h 05mAer Lingus
Tue 5/2010:15 pmLIS - PHL
1 stop25h 45mAer Lingus
Deal found 3/24$780
This Gurufare deal was found by Cheapflights users on 3/23. 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.
Thu 3/2710:11 amPHL - LIS
2 stops30h 09mIcelandair
Thu 4/310:20 pmLIS - PHL
2 stops38h 19mIcelandair
Deal found 3/23$791
This Lufthansa deal was found by Cheapflights users on 3/24. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:35 pmPHL - LIS
1 stop16h 30mLufthansa
Sun 11/302:10 pmLIS - PHL
2 stops54h 50mLufthansa
Deal found 3/24$855
This oojo deal was found by Cheapflights users on 3/24. 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.
Sun 9/710:20 amPHL - LIS
2 stops32h 15mTurkish Airlines
Mon 9/155:55 amLIS - PHL
2 stops32h 25mTurkish Airlines
Deal found 3/24$934

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 March 25, 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 5/12

6:00 am-11:05 pm

2 stops36h 05m

Lisbon Humberto Delgado

Fri 5/16

8:45 pm-10:17 pm

2 stops30h 32m

$701

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 5/12

8:30 pm-9:35 pm

1 stop20h 05m

Lisbon Humberto Delgado

Tue 5/20

10:15 pm-7:00 pm

1 stop25h 45m

$780

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 9/17

10:20 am-12:55 pm

2 stops21h 35m

Lisbon Humberto Delgado

Wed 9/24

6:55 am-9:30 pm

2 stops19h 35m

$782

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 5/12

6:00 am-3:30 pm

2 stops52h 30m

Lisbon Humberto Delgado

Tue 5/20

4:30 pm-11:27 pm

2 stops35h 57m

$817

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 8/11

3:20 pm-9:20 am

1 stop13h 00m

Lisbon Humberto Delgado

Thu 8/21

11:25 am-2:06 pm

2 stops31h 41m

$984

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 8/11

10:40 am-9:20 am

2 stops17h 40m

Lisbon Humberto Delgado

Thu 8/21

11:25 am-2:06 pm

2 stops31h 41m

$988

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 9/17

9:15 pm-9:05 am

Nonstop6h 50m

Lisbon Humberto Delgado

Mon 9/29

8:45 pm-3:55 pm

1 stop24h 10m

$1,005

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 5/12

9:15 pm-9:05 am

Nonstop6h 50m

Lisbon Humberto Delgado

Tue 5/20

6:35 am-3:50 pm

1 stop14h 15m

$1,018

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 5/12

9:15 pm-9:05 am

Nonstop6h 50m

Lisbon Humberto Delgado

Tue 5/20

11:05 am-1:40 pm

Nonstop7h 35m

$1,042

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 3/31

12:48 pm-4:55 pm

3 stops47h 07m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 23 results
1
2
3

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Lisbon flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 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 $1,219). 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 March 25, 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.

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 March 25, 2025.
See what other customers who have flown with KLM, Finnair and SWISS from Philadelphia to Lisbon have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 3 daily flights to Lisbon from 7 different airlines. 6h 30m 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?

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

    Aer Lingus, at $776, was found to be the cheapest airline from Philadelphia to Lisbon.Alternate airlines to your destination round-trip include TAP AIR PORTUGAL and Icelandair. Users have found that Aer Lingus is 18% 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 ($386), Aer Lingus ($571), and British Airways ($646).

  • 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 (79%), Finnair (79%) and Iberia (79%).

  • What are the cheapest flights from Philadelphia to Lisbon?

    While on average a flight from Philadelphia to Lisbon is generally $968, our data shows the cheapest flight currently is $599. When looking at the most popular route, (Philadelphia - Lisbon Humberto Delgado), you can expect to pay $680 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 $1,219). 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
Almada
Beja
Costa da Caparica
Nazaré
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

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.

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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$585Average$933FlexibilityNo cancel feeOn-time70%
IberiaCheapest$589Average$934FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$590Average$1,032FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$593Average$901FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$613Average$885FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$640Average$1,065FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$710Average$850FlexibilityNo 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.