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Lisbon

$297+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIS
אפר' 12 — אפר' 191
א' 4/12
א' 4/19
1 adult, Economy
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1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Philadelphia to Lisbon Humberto Delgado are usually found in November or January, booked 33 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap 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 מרץ 13, 2026.

This American Airlines deal was found by Cheapflights users on 3/8. 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.
ב' 4/2710:05 pm
PHL
-
LIS
1 stop14h 50m
American Airlines
ד' 5/66:35 am
LIS
-
PHL
1 stop16h 05m
American Airlines
Deal found 3/8$727
This Finnair deal was found by Cheapflights users on 3/8. 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.
ב' 4/2710:05 pm
PHL
-
LIS
1 stop20h 05m
Multiple Airlines
ד' 5/66:35 am
LIS
-
PHL
1 stop16h 05m
Multiple Airlines
Deal found 3/8$728
This American Airlines deal was found by Cheapflights users on 3/8. 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.
ד' 10/2810:25 pm
PHL
-
LIS
Nonstop6h 40m
American Airlines
ד' 11/46:30 am
LIS
-
PHL
1 stop14h 20m
American Airlines
Deal found 3/8$729
This Finnair deal was found by Cheapflights users on 3/8. 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.
ב' 4/279:05 pm
PHL
-
LIS
Nonstop7h 00m
Finnair
ד' 5/66:35 am
LIS
-
PHL
1 stop16h 05m
Finnair
Deal found 3/8$730
This British Airways deal was found by Cheapflights users on 3/8. 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.
ד' 10/287:35 pm
PHL
-
LIS
1 stop12h 35m
Multiple Airlines
ד' 11/46:30 am
LIS
-
PHL
1 stop14h 20m
Multiple Airlines
Deal found 3/8$733
This British Airways deal was found by Cheapflights users on 3/8. 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.
א' 12/139:25 pm
PHL
-
LIS
Nonstop6h 40m
British Airways
ג' 12/2211:05 am
LIS
-
PHL
Nonstop8h 00m
British Airways
Deal found 3/8$736
This Delta deal was found by Cheapflights users on 3/8. 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.
ד' 10/289:40 am
PHL
-
LIS
1 stop18h 20m
Delta
ד' 11/45:00 am
LIS
-
PHL
2 stops20h 07m
Delta
Deal found 3/8$740
This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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.
ד' 4/296:40 pm
PHL
-
LIS
1 stop18h 15m
British Airways
ו' 5/87:20 am
LIS
-
PHL
1 stop14h 20m
British Airways
Deal found 3/8$742
This United Airlines deal was found by Cheapflights users on 3/8. 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.
ב' 4/2710:33 am
PHL
-
LIS
2 stops16h 47m
United Airlines
ד' 5/612:20 pm
LIS
-
PHL
1 stop26h 34m
United Airlines
Deal found 3/8$743
This Delta deal was found by Cheapflights users on 3/8. 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.
ב' 4/276:00 am
PHL
-
LIS
2 stops21h 50m
Delta
ד' 5/65:35 am
LIS
-
PHL
2 stops17h 15m
Delta
Deal found 3/8$744

Find 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 מרץ 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$727
(American Airlines)

One-way from

$297
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$770

Good round-trip deal

$902 or less

Good one-way deal

$678 or less
Provider with most accurate pricing for Philadelphia-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Lisbon Humberto Delgado flights.
Search Deals
From Philadelphia to Lisbon Humberto Delgado
Search Deals
One-way flight from Philadelphia to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($262 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Philadelphia to Lisbon Humberto Delgado.
Search Deals
Price to beat on a one-way flight from Philadelphia to Lisbon Humberto Delgado.
Search Deals

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 מרץ 13, 2026.
Use the filters below to find and compare flights from Philadelphia to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

ב' 4/27

10:33 am-8:20 am

2 stops16h 47m

Lisbon Humberto Delgado

ד' 5/6

12:20 pm-6:58 pm

1 stop11h 38m

$743

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

ד' 5/6

10:05 am-9:20 am

1 stop18h 15m

Lisbon Humberto Delgado

ש' 5/16

11:25 am-2:48 pm

1 stop32h 23m

$946

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

ו' 4/17

7:35 pm-11:10 pm

1 stop22h 35m

Lisbon Humberto Delgado

ד' 4/22

6:35 am-5:40 pm

1 stop16h 05m

$962

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

ו' 4/17

9:05 pm-9:05 am

Nonstop7h 00m

Lisbon Humberto Delgado

ד' 4/22

6:35 am-5:40 pm

1 stop16h 05m

$964

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

ב' 4/6

7:45 pm-9:20 am

2 stops32h 35m

Lisbon Humberto Delgado

ג' 4/21

11:25 am-9:32 pm

2 stops39h 07m

$969

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

ה' 4/16

9:05 pm-9:05 am

Nonstop7h 00m

Lisbon Humberto Delgado

ה' 4/30

11:05 am-1:55 pm

Nonstop7h 50m

$971

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

ש' 5/2

3:00 pm-11:15 am

2 stops15h 15m

Lisbon Humberto Delgado

ב' 5/11

11:55 am-5:19 pm

2 stops34h 24m

$987

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

ה' 4/23

9:05 pm-9:05 am

Nonstop7h 00m

Lisbon Humberto Delgado

ב' 4/27

8:25 am-5:40 pm

1 stop14h 15m

$1,014

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

ו' 4/24

3:30 pm-9:20 am

1 stop12h 50m

Lisbon Humberto Delgado

ג' 4/28

11:25 am-2:16 pm

2 stops31h 51m

$1,040

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

ד' 5/6

1:58 pm-8:50 am

2 stops13h 52m

Lisbon Humberto Delgado

ב' 5/11

5:00 am-11:07 pm

2 stops23h 07m

$1,069

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 23 resultsSorted by cheapest first
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 Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 6, 2026.

To ensure you get the cheapest price possible for a flight from Philadelphia to Lisbon, you should look to book at least 33 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, February is the cheapest month in which you can book a flight from Philadelphia to Lisbon (average of $389). Flying from Philadelphia to Lisbon in July is currently the most expensive (average of $509). 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 מרץ 13, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Lisbon as you normally would.

The best insider tips for Philadelphia to Lisbon flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Philadelphia to Lisbon trip
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on PHL

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

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

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 מרץ 13, 2026.
Read reviews from past customers who have flown Finnair,American Airlines, andTAP AIR PORTUGAL 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.
Finnair
7.6
Good
1,371 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Food

6.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,371 reviews
Finnair
7.6
Good
1,371 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Food

6.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
American Airlines
7.1
Good
11,448 reviews
Finnair
7.6
Good
1,371 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Food

6.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
TAP AIR PORTUGAL
7.1
Good
2,166 reviews
Finnair
7.6
Good
1,371 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Food

6.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Iberia
7.0
Good
3,134 reviews
Finnair
7.6
Good
1,371 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Food

6.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
British Airways
6.7
Okay
7,784 reviews
Finnair
7.6
Good
1,371 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Crew

8.2

Food

6.7

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

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 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 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Philadelphia to Lisbon?

    Airlines like American Airlines and Finnair fly from Philadelphia to Lisbon in about 7h. The time it takes to get you to your destination can typically vary by up to 7h 50m. Philadelphia and Lisbon are separated by a distance of 3447 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Iberia, at $534, was found to be the cheapest airline from Philadelphia to Lisbon.Alternate airlines to your destination round-trip include United Airlines and British Airways. Users have found that Iberia is 45% 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 United Airlines ($248), TAP AIR PORTUGAL ($350), and Iberia ($486).

  • 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 (83%), Finnair (83%) and Iberia (83%).

  • What are the cheapest flights from Philadelphia to Lisbon?

    While on average a flight from Philadelphia to Lisbon is generally $1,472, our data shows the cheapest flight currently is $557. When looking at the most popular route, (Philadelphia - Lisbon Humberto Delgado), you can expect to pay $637 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, February is the cheapest month in which you can book a flight from Philadelphia to Lisbon (average of $389). Flying from Philadelphia to Lisbon in July is currently the most expensive (average of $509). 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
Fátima
Ericeira
Oeiras
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

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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 מרץ 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$534Average$977FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$560Average$757FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$575Average$911FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$639Average$955FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$646Average$966FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$665Average$1,141FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$670Average$820FlexibilityNo cancel feeOn-timeN/A

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