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$342+ Cheap flights from Lisbon (LIS) to Philadelphia (PHL)

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PHL
Mar 13 — Mar 201
Thu 3/13
Thu 3/20
1 adult, Economy
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The best prices from Lisbon Humberto Delgado to Philadelphia are usually found in May or January, booked 23 days in advance, depart on a Thursday or Saturday and return on a Wednesday

Cheap flight deals from Lisbon to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Philadelphia (PHL). 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 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$632
(Kiwi.com)

One-way from

$342
(Kiwi.com)

Popular in

August

Cheapest in

May

Average price

$771

Good round-trip deal

$760 or less

Good one-way deal

$627 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Philadelphia flights.
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From Lisbon Humberto Delgado to Philadelphia
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One-way flight from Lisbon Humberto Delgado to Philadelphia
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Highest demand for flights based on searches. 10% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Lisbon Humberto Delgado to Philadelphia.
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Price to beat on a one-way flight from Lisbon Humberto Delgado to Philadelphia.
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Find flight deals from Lisbon to Philadelphia

Cheapest flights from Lisbon to Philadelphia
Explore the most affordable flight options available from Lisbon to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 8, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/110:15 pmLIS - PHL
1 stop25h 45mAer Lingus
Mon 4/78:30 pmPHL - LIS
1 stop20h 05mAer Lingus
Deal found 3/7$632
This Mytrip deal was found by Cheapflights users on 3/7. 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.
Tue 4/111:25 amLIS - PHL
3 stops35h 52mMultiple Airlines
Mon 4/77:40 pmPHL - LIS
2 stops32h 40mMultiple Airlines
Deal found 3/7$637
This Finnair deal was found by Cheapflights users on 3/7. 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 3/1411:05 amLIS - PHL
Nonstop7h 50mFinnair
Sun 3/2310:25 pmPHL - LIS
Nonstop6h 30mFinnair
Deal found 3/7$646
This Priceline deal was found by Cheapflights users on 3/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:15 amLIS - PHL
1 stop13h 10mBritish Airways
Mon 4/79:25 pmPHL - LIS
Nonstop6h 40mBritish Airways
Deal found 3/7$663
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Fri 3/1411:05 amLIS - PHL
Nonstop7h 50mAmerican Airlines
Sun 3/2310:15 pmPHL - LIS
1 stop19h 30mAmerican Airlines
Deal found 3/7$689
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Tue 4/16:45 amLIS - PHL
1 stop14h 15mUnited Airlines
Mon 4/712:50 pmPHL - LIS
2 stops14h 30mUnited Airlines
Deal found 3/7$730
This Delta deal was found by Cheapflights users on 3/7. 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.
Fri 3/1410:00 amLIS - PHL
2 stops17h 16mDelta
Sun 3/236:00 amPHL - LIS
2 stops22h 00mDelta
Deal found 3/7$790
This Iberia deal was found by Cheapflights users on 3/7. 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 3/78:45 pmLIS - PHL
2 stops24h 30mIberia
Tue 3/1110:05 pmPHL - LIS
1 stop21h 20mIberia
Deal found 3/7$860
This Air France deal was found by Cheapflights users on 3/7. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:30 pmLIS - PHL
2 stops33h 50mAir France
Tue 3/1112:28 pmPHL - LIS
2 stops15h 32mAir France
Deal found 3/7$898
This Brussels Airlines deal was found by Cheapflights users on 3/7. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2212:05 pmLIS - PHL
2 stops56h 55mBrussels Airlines
Tue 4/295:35 pmPHL - LIS
2 stops36h 35mBrussels Airlines
Deal found 3/7$1,031

Find flights from Lisbon to Philadelphia within your budget

Customize your flight search to find flights from Lisbon to Philadelphia 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 8, 2025.

Fly from

Lisbon

Fly to

Philadelphia

Route

Depart

Return

Price

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 4/1

10:15 pm-7:00 pm

1 stop25h 45m

Philadelphia

Mon 4/7

8:30 pm-9:35 pm

1 stop20h 05m

$632

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 4/1

11:25 am-6:17 pm

3 stops35h 52m

Philadelphia

Mon 4/7

7:40 pm-9:20 am

2 stops32h 40m

$637

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 4/1

7:15 am-3:25 pm

1 stop13h 10m

Philadelphia

Mon 4/7

9:25 pm-9:05 am

Nonstop6h 40m

$663

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 4/1

6:45 am-4:00 pm

1 stop14h 15m

Philadelphia

Mon 4/7

12:50 pm-8:20 am

2 stops14h 30m

$730

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 4/1

11:05 am-1:55 pm

Nonstop7h 50m

Philadelphia

Mon 4/7

9:25 pm-9:05 am

Nonstop6h 40m

$903

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Tue 4/22

12:05 pm-4:00 pm

2 stops56h 55m

Philadelphia

Tue 4/29

5:35 pm-11:10 am

2 stops36h 35m

$1,031

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Fri 4/4

9:40 pm-2:34 pm

2 stops45h 54m

$342

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Sat 6/7

11:25 am-11:27 pm

2 stops17h 02m

$545

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Mon 4/7

5:35 pm-7:39 am

1 stop19h 04m

$576

LisbonPhiladelphia

LIS - PHL

LISPHL

Lisbon Humberto Delgado

Fri 6/6

11:05 am-1:35 pm

Nonstop7h 30m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 13 results
1
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Compare providers for flights from Lisbon to Philadelphia

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 Lisbon to Philadelphia in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
OneTravelPrice Accuracy2 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 Lisbon-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lisbon-Philadelphia 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 Lisbon-Philadelphia 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 Lisbon to Philadelphia

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

Travel insights for flights from Lisbon to Philadelphia

Get recent, data-driven insights about flights from Lisbon to Philadelphia including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to Philadelphia. Price data was last updated on March 7, 2025.

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Lisbon to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Lisbon to Philadelphia (average of $236). Flying from Lisbon to Philadelphia in March is currently the most expensive (average of $295). 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 LIS to PHL?

Find hourly flight availability from Lisbon to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 8, 2025.

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

Rainfall in Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

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

If weather is an important factor for your trip to Philadelphia, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated March 8, 2025.
Read through reviews of airlines operating flights from Lisbon to Philadelphia, such as Finnair, United Airlines and Brussels Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,271 reviews

Overall

7.6

Boarding

7.7

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Finnair
7.6
Good
1,271 reviews
Finnair
7.6
Good
1,271 reviews

Overall

7.6

Boarding

7.7

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

United Airlines
7.4
Good
8,649 reviews
Finnair
7.6
Good
1,271 reviews

Overall

7.6

Boarding

7.7

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Brussels Airlines
7.3
Good
341 reviews
Finnair
7.6
Good
1,271 reviews

Overall

7.6

Boarding

7.7

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,271 reviews

Overall

7.6

Boarding

7.7

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

TAP AIR PORTUGAL
7.1
Good
1,827 reviews
Finnair
7.6
Good
1,271 reviews

Overall

7.6

Boarding

7.7

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Lisbon to Philadelphia flight route?

    Flights from Lisbon Humberto Delgado to Philadelphia have been viewed 4 times in the past calendar month.

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

    According to our current data, Aer Lingus ($632), British Airways ($663), and United Airlines ($730) offers the cheapest pricing from Lisbon to Philadelphia. Aer Lingus is 22% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Lisbon to Philadelphia are Aer Lingus ($545), TAP AIR PORTUGAL ($576), and Iberia ($590).

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

    The top 3 most reliable airlines when flying from Lisbon to Philadelphia are American Airlines (61%), Finnair (61%) and Iberia (61%).

  • What are the cheapest flights from Lisbon to Philadelphia?

    The cheapest flight price from Lisbon to Philadelphia is $517. On average you can expect to pay $1,280. The most popular route, (Lisbon Humberto Delgado - Philadelphia), can usually be booked for $614.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Lisbon to Philadelphia (average of $236). Flying from Lisbon to Philadelphia in March is currently the most expensive (average of $295). 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
King of Prussia
Vineland
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Newark
Middletown
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Dewey Beach
West Chester
Malvern
Dover

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Top 4 airlines flying from Lisbon to Philadelphia

Discover the top 4 airlines that operate flights from Lisbon to Philadelphia. 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 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$609Average$859FlexibilityNo cancel feeOn-time77%
FinnairCheapest$618Average$948FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$651Average$818FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$708Average$853FlexibilityNo cancel feeOn-time71%
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