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Lisbon

$382+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIS
May 26 — Jun 21
Tue 5/26
Tue 6/2
1 adult, Economy
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1. Tell us where you want to go

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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 April 26, 2026.

This KAYAK deal was found by Cheapflights users on 4/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:40 pm
PHL
-
LIS
1 stop16h 55m
Lufthansa
Wed 5/136:45 am
LIS
-
PHL
2 stops20h 58m
Lufthansa
Deal found 4/23$810
This Justfly.com deal was found by Cheapflights users on 4/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:50 am
PHL
-
LIS
2 stops21h 00m
Air Canada
Sun 11/2911:20 am
LIS
-
PHL
1 stop32h 27m
Air Canada
Deal found 4/23$818
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
PHL
-
LIS
2 stops21h 20m
United Airlines
Tue 7/211:00 pm
LIS
-
PHL
2 stops28h 25m
United Airlines
Deal found 4/23$842
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:25 am
PHL
-
LIS
2 stops17h 55m
Air Canada
Wed 6/36:45 am
LIS
-
PHL
2 stops19h 48m
Air Canada
Deal found 4/23$844
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:55 pm
PHL
-
LIS
2 stops35h 10m
United Airlines
Wed 7/2212:55 pm
LIS
-
PHL
2 stops33h 47m
United Airlines
Deal found 4/23$846
This CheapOair deal was found by Cheapflights users on 4/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:05 am
PHL
-
LIS
2 stops20h 00m
Multiple Airlines
Wed 5/135:55 am
LIS
-
PHL
2 stops20h 38m
Multiple Airlines
Deal found 4/23$848
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
PHL
-
LIS
2 stops22h 20m
Air Canada
Fri 7/2411:25 am
LIS
-
PHL
1 stop15h 09m
Air Canada
Deal found 4/23$849
This United Airlines deal was found by Cheapflights users on 4/24. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:05 am
PHL
-
LIS
1 stop18h 15m
United Airlines
Wed 7/1512:55 pm
LIS
-
PHL
1 stop26h 09m
United Airlines
Deal found 4/24$850
This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:05 am
PHL
-
LIS
1 stop18h 15m
Multiple Airlines
Mon 9/1412:35 pm
LIS
-
PHL
1 stop32h 30m
Multiple Airlines
Deal found 4/23$851
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:20 pm
PHL
-
LIS
2 stops36h 00m
Air Canada
Tue 7/2111:25 am
LIS
-
PHL
1 stop32h 24m
Air Canada
Deal found 4/23$853

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 April 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$810
(KAYAK)

One-way from

$382
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$970

Good round-trip deal

$1,336 or less

Good one-way deal

$818 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 ($274 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 26, 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

Wed 7/15

3:25 pm-9:20 am

1 stop12h 55m

Lisbon Humberto Delgado

Wed 7/22

11:25 am-9:34 pm

1 stop15h 09m

$845

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 7/8

10:05 am-9:20 am

1 stop18h 15m

Lisbon Humberto Delgado

Wed 7/15

12:55 pm-10:04 am

1 stop26h 09m

$850

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 6/8

4:20 pm-11:00 am

1 stop13h 40m

Lisbon Humberto Delgado

Wed 6/24

6:45 am-4:05 pm

1 stop14h 20m

$902

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Fri 7/3

8:26 pm-11:05 am

2 stops33h 39m

Lisbon Humberto Delgado

Sat 7/18

11:25 am-9:34 pm

1 stop15h 09m

$984

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 6/22

6:00 am-11:00 am

1 stop24h 00m

Lisbon Humberto Delgado

Mon 7/20

11:25 am-9:34 pm

1 stop15h 09m

$985
Quickest round-trip

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 10/13

9:25 pm-9:05 am

Nonstop6h 40m

Lisbon Humberto Delgado

Tue 10/20

11:05 am-1:50 pm

Nonstop7h 45m

$1,030

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 6/9

6:00 am-11:05 am

2 stops24h 05m

Lisbon Humberto Delgado

Sun 6/14

12:20 pm-9:39 am

2 stops26h 19m

$1,101

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Thu 10/8

9:25 pm-9:05 am

Nonstop6h 40m

Lisbon Humberto Delgado

Sun 10/25

7:45 am-4:50 pm

1 stop13h 05m

$1,285

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 7/8

9:15 pm-9:05 am

Nonstop6h 50m

Lisbon Humberto Delgado

Wed 7/15

6:35 am-5:30 pm

1 stop15h 55m

$1,355

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 7/1

8:28 am-9:20 pm

2 stops31h 52m

Lisbon Humberto Delgado

Thu 7/16

10:20 pm-7:38 am

2 stops38h 18m

$1,371

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 21 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 April.
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?

To ensure you get the cheapest price possible for a flight from Philadelphia to Lisbon, you should look to book at least 32 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, November is the cheapest month in which you can book a flight from Philadelphia to Lisbon (average of $739). Flying from Philadelphia to Lisbon in June is currently the most expensive (average of $1,449). 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 26, 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.

How much does it cost to fly round-trip from Philadelphia to Lisbon?

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 April 26, 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
7.7
Good
1,391 reviews

Food

6.7

Crew

8.2

Comfort

7.4

Overall

7.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
Finnair
7.7
Good
1,391 reviews
Finnair
7.7
Good
1,391 reviews

Food

6.7

Crew

8.2

Comfort

7.4

Overall

7.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
American Airlines
7.1
Good
11,676 reviews
Finnair
7.7
Good
1,391 reviews

Food

6.7

Crew

8.2

Comfort

7.4

Overall

7.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
TAP AIR PORTUGAL
7.1
Good
2,223 reviews
Finnair
7.7
Good
1,391 reviews

Food

6.7

Crew

8.2

Comfort

7.4

Overall

7.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
Iberia
7.0
Good
3,196 reviews
Finnair
7.7
Good
1,391 reviews

Food

6.7

Crew

8.2

Comfort

7.4

Overall

7.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
British Airways
6.7
Okay
7,919 reviews
Finnair
7.7
Good
1,391 reviews

Food

6.7

Crew

8.2

Comfort

7.4

Overall

7.7

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

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 9 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 Lufthansa, United Airlines, and Air Canada fly from Philadelphia to Lisbon in about 16h 55m. The time it takes to get you to your destination can typically vary by up to 4h 25m. 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 $530, 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 (87%), Finnair (87%) and Iberia (87%).

  • What are the cheapest flights from Philadelphia to Lisbon?

    While on average a flight from Philadelphia to Lisbon is generally $1,633, our data shows the cheapest flight currently is $704. When looking at the most popular route, (Philadelphia - Lisbon Humberto Delgado), you can expect to pay $695 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, November is the cheapest month in which you can book a flight from Philadelphia to Lisbon (average of $739). Flying from Philadelphia to Lisbon in June is currently the most expensive (average of $1,449). 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 April 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$524Average$967FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$559Average$756FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$576Average$910FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$622Average$718FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$631Average$813FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$664Average$1,128FlexibilityNo cancel feeOn-time71%
FinnairCheapest$665Average$973FlexibilityNo cancel feeOn-time76%

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