Lisbon

$159+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIS
Aug 3 — Aug 101
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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 Wednesday

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 July 29, 2025.

Round-trip from

$740
(KAYAK)

One-way from

$159
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,089

Good round-trip deal

$863 or less

Good one-way deal

$667 or less
From Philadelphia to Lisbon Humberto Delgado
One-way flight from Philadelphia to Lisbon Humberto Delgado
Highest demand for flights based on searches. 23% potential increase in price ($293 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Average for round-trip flights in July 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 July 29, 2025.

This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2010:20 amPHL - LIS
1 stop14h 20mTAP AIR PORTUGAL
Mon 9/2911:45 amLIS - PHL
1 stop15h 05mTAP AIR PORTUGAL
Deal found 7/28$740
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:35 pmPHL - LIS
1 stop12h 30mBritish Airways
Fri 11/147:05 amLIS - PHL
1 stop14h 10mBritish Airways
Deal found 7/27$743
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/213:51 pmPHL - LIS
2 stops18h 24mMultiple Airlines
Wed 8/2711:35 amLIS - PHL
2 stops26h 17mMultiple Airlines
Deal found 7/29$751
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:00 amPHL - LIS
2 stops19h 50mIberia
Thu 11/134:45 pmLIS - PHL
2 stops27h 35mIberia
Deal found 7/27$754
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:30 pmPHL - LIS
1 stop12h 50mUnited Airlines
Sat 11/155:00 amLIS - PHL
1 stop16h 35mUnited Airlines
Deal found 7/27$759
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:15 amPHL - LIS
1 stop20h 45mDelta
Sat 11/1511:25 amLIS - PHL
2 stops34h 52mDelta
Deal found 7/27$762
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:15 pmPHL - LIS
Nonstop6h 50mFinnair
Sat 11/156:30 amLIS - PHL
1 stop14h 05mFinnair
Deal found 7/27$764
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/188:30 pmPHL - LIS
1 stop20h 05mAer Lingus
Tue 8/2610:15 pmLIS - PHL
1 stop25h 45mAer Lingus
Deal found 7/27$769
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/284:35 pmPHL - LIS
1 stop11h 45mAir Canada
Sun 12/75:00 amLIS - PHL
2 stops22h 56mAir Canada
Deal found 7/27$772
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 pmPHL - LIS
Nonstop6h 50mAmerican Airlines
Fri 1/98:45 pmLIS - PHL
1 stop23h 50mAmerican Airlines
Deal found 7/27$778

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 July 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

Sat 9/20

10:20 am-5:40 am

1 stop14h 20m

Lisbon Humberto Delgado

Mon 9/29

11:45 am-9:50 pm

1 stop15h 05m

$740

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 10/15

9:25 pm-9:05 am

Nonstop6h 40m

Lisbon Humberto Delgado

Wed 11/12

11:15 am-2:05 pm

Nonstop7h 50m

$751

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sun 10/5

8:30 pm-10:00 pm

1 stop20h 30m

Lisbon Humberto Delgado

Fri 10/10

9:25 am-7:00 pm

1 stop14h 35m

$752

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 10/15

9:25 pm-9:05 am

Nonstop6h 40m

Lisbon Humberto Delgado

Fri 11/14

6:30 am-3:35 pm

1 stop14h 05m

$757

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sun 10/5

7:10 am-8:40 pm

2 stops32h 30m

Lisbon Humberto Delgado

Fri 10/24

6:45 am-10:13 pm

2 stops20h 28m

$764

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sun 10/19

10:15 pm-10:05 am

1 stop30h 50m

Lisbon Humberto Delgado

Sun 10/26

11:05 am-3:05 pm

Nonstop8h 00m

$768

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 8/18

8:30 pm-9:35 pm

1 stop20h 05m

Lisbon Humberto Delgado

Tue 8/26

10:15 pm-7:00 pm

1 stop25h 45m

$769

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sun 9/28

5:25 am-11:25 pm

3 stops37h 00m

$159

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 8/13

10:15 am-10:10 am

1 stop18h 55m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

The best insider tips for Philadelphia to Lisbon flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Philadelphia to Lisbon trip
Airports
PHL

For a smooth departure from PHL, use the inter-terminal shuttle bus to avoid long walks between terminals.

Read more about PHLby Mark Chesnut
LIS

Upon arrival at LIS, the metro line offers a quick 20-minute ride to downtown Lisbon from Terminal 1.

Read more about LISby Ramsey Qubein
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LIS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 July 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 $1,129). 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 July 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 July 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).

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 July 29, 2025.
Read reviews from past customers who have flown Finnair, Scandinavian Airlines, and Aer Lingus from Philadelphia to Lisbon. 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.

Food

6.7

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Food

6.7

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Food

6.7

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Food

6.7

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Food

6.7

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Food

6.7

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

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?

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

    TAP AIR PORTUGAL, at $740, was found to be the cheapest airline from Philadelphia to Lisbon.Alternate airlines to your destination round-trip include Iberia and Finnair. Users have found that TAP AIR PORTUGAL is 22% cheaper than the other options available to this destination.

  • 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 (72%), Finnair (72%) and Iberia (72%).

  • What are the cheapest flights from Philadelphia to Lisbon?

    While on average a flight from Philadelphia to Lisbon is generally $2,438, our data shows the cheapest flight currently is $638. When looking at the most popular route, (Philadelphia - Lisbon Humberto Delgado), you can expect to pay $630 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 $1,129). 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 Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$557Average$977FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$560Average$904FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$572Average$905FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$580Average$1,040FlexibilityNo cancel feeOn-time71%
FinnairCheapest$602Average$930FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$612Average$889FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$670Average$850FlexibilityNo cancel feeOn-timeN/A

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