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 Finnair, United Airlines, and TAP AIR PORTUGAL fly from Philadelphia to Lisbon in about 6h 35m. The time it takes to get you to your destination can typically vary by up to 12h 45m. 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?

United Airlines, at $560, was found to be the cheapest airline from Philadelphia to Lisbon.Alternate airlines to your destination round-trip include Iberia and British Airways. Users have found that United Airlines is 42% 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 ($477).

Weekly flight availability from Philadelphia to Lisbon

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).

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.

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).

What are the cheapest flights from Philadelphia to Lisbon?

While on average a flight from Philadelphia to Lisbon is generally $1,526, our data shows the cheapest flight currently is $560. When looking at the most popular route, (Philadelphia - Lisbon Humberto Delgado), you can expect to pay $504 for that flight.

What are the most reliable airlines from Philadelphia to Lisbon?

The top 3 most reliable airlines when flying from Philadelphia to Lisbon are Finnair (78%), American Airlines (78%) and Iberia (78%).

What are the most popular airlines that fly from Philadelphia to Lisbon?

When booking a flight from Philadelphia to Lisbon, you may want to consider flying on Iberia, American Airlines or British Airways as they are the most popular for this route.

Most accurate provider : When it comes to deals on Philadelphia-Lisbon flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Lisbon flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 30m is how long a flight from Philadelphia to Lisbon Humberto Delgado will take if you book a nonstop 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.

$268+ Flights from Philadelphia to Lisbon

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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.

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Cheapflights Tip: The best prices from Philadelphia to Lisbon Humberto Delgado are usually found in November or February, booked 45 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 December 12, 2025.

Wed 12/318:40 amPHL - LIS

1 stop15h 55mMultiple Airlines

Fri 1/911:40 amLIS - PHL

1 stop11h 43mMultiple Airlines

Deal found 12/11

$985

Fri 12/127:51 pmPHL - LIS

1 stop21h 34mAmerican Airlines

Fri 12/1911:05 amLIS - PHL

Nonstop7h 45mAmerican Airlines

Deal found 12/11

$1,012

Wed 12/316:35 pmPHL - LIS

1 stop18h 05mBritish Airways

Fri 1/912:55 pmLIS - PHL

2 stops27h 30mBritish Airways

Deal found 12/10

$1,023

Sat 12/136:00 amPHL - LIS

1 stop21h 00mDelta

Sun 12/215:00 amLIS - PHL

2 stops19h 54mDelta

Deal found 12/11

$1,026

Sat 12/137:51 pmPHL - LIS

1 stop17h 04mAmerican Airlines

Sun 12/2111:05 amLIS - PHL

Nonstop7h 45mAmerican Airlines

Deal found 12/11

$1,055

Wed 12/317:05 amPHL - LIS

1 stop19h 55mDelta

Fri 1/95:30 amLIS - PHL

2 stops20h 46mDelta

Deal found 12/11

$1,061

Sat 12/139:20 pmPHL - LIS

Nonstop6h 45mFinnair

Sun 12/2111:05 amLIS - PHL

Nonstop7h 45mFinnair

Deal found 12/12

$1,080

Best flights from Philadelphia to Lisbon
Discover carefully curated flight deals from Philadelphia to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Tue 2/249:30 pmPHL - LIS

Nonstop6h 35mFinnair

Wed 3/411:05 amLIS - PHL

Nonstop8h 20mFinnair

Deal found 12/10

$665

Tue 2/2412:55 pmPHL - LIS

2 stops15h 25mUnited Airlines

Wed 3/45:00 amLIS - PHL

2 stops39h 49mUnited Airlines

Deal found 12/10

$667

Wed 5/1310:00 amPHL - LIS

1 stop19h 20mTAP AIR PORTUGAL

Sun 5/176:05 pmLIS - PHL

1 stop20h 08mTAP AIR PORTUGAL

Deal found 12/11

$699

Wed 3/187:25 pmPHL - LIS

2 stops15h 25mBritish Airways

Tue 3/316:45 pmLIS - PHL

2 stops24h 15mBritish Airways

Deal found 12/10

$708

Sat 1/248:40 amPHL - LIS

1 stop20h 15mTAP AIR PORTUGAL

Sat 1/315:15 pmLIS - PHL

1 stop30h 08mTAP AIR PORTUGAL

Deal found 12/10

$705

Fri 2/2012:55 pmPHL - LIS

2 stops16h 20mUnited Airlines

Sun 3/15:00 amLIS - PHL

1 stop16h 05mUnited Airlines

Deal found 12/10

$762

Mon 1/59:10 pmPHL - LIS

Nonstop6h 55mFinnair

Tue 1/136:30 amLIS - PHL

1 stop14h 10mFinnair

Deal found 12/10

$849

Wed 1/76:30 amPHL - LIS

2 stops20h 40mUnited Airlines

Tue 1/2011:20 amLIS - PHL

2 stops36h 34mUnited Airlines

Deal found 12/10

$850

Thu 4/3010:00 amPHL - LIS

1 stop14h 40mTAP AIR PORTUGAL

Sun 5/108:10 pmLIS - PHL

2 stops28h 20mTAP AIR PORTUGAL

Deal found 12/11

$861

Sat 3/142:52 pmPHL - LIS

2 stops38h 28mUnited Airlines

Sat 4/411:25 amLIS - PHL

2 stops29h 53mUnited Airlines

Deal found 12/11

$875

Last-minute flights from Philadelphia to Lisbon
Discover last-minute flight deals from Philadelphia to Lisbon. Data last updated December 12, 2025 and is based on user searches.

Fri 1/91:30 pmPHL - LIS

1 stop11h 05mMultiple Airlines

Fri 1/165:15 pmLIS - PHL

1 stop30h 23mMultiple Airlines

Deal found 12/10

$701

Thu 1/151:30 pmPHL - LIS

1 stop15h 45mTAP AIR PORTUGAL

Tue 1/2011:50 amLIS - PHL

1 stop11h 33mTAP AIR PORTUGAL

Deal found 12/11

$704

Sat 1/1712:11 pmPHL - LIS

2 stops39h 44mScandinavian Airlines

Thu 1/226:55 pmLIS - PHL

2 stops34h 26mScandinavian Airlines

Deal found 12/11

$639

Tue 1/2011:22 amPHL - LIS

2 stops23h 43mScandinavian Airlines

Wed 1/284:55 pmLIS - PHL

2 stops34h 55mScandinavian Airlines

Deal found 12/11

$568

Tue 1/2011:22 amPHL - LIS

2 stops23h 43mScandinavian Airlines

Thu 1/296:55 pmLIS - PHL

2 stops32h 55mScandinavian Airlines

Deal found 12/11

$658

Tue 1/208:40 amPHL - LIS

1 stop15h 55mTAP AIR PORTUGAL

Wed 1/2811:40 amLIS - PHL

1 stop11h 43mTAP AIR PORTUGAL

Deal found 12/11

$664

Tue 1/208:40 amPHL - LIS

1 stop15h 55mMultiple Airlines

Thu 1/2911:30 amLIS - PHL

1 stop11h 53mMultiple Airlines

Deal found 12/11

$668

Wed 1/218:40 amPHL - LIS

1 stop15h 55mTAP AIR PORTUGAL

Wed 1/2811:40 amLIS - PHL

1 stop11h 43mTAP AIR PORTUGAL

Deal found 12/11

$651

Thu 1/229:52 amPHL - LIS

1 stop14h 43mMultiple Airlines

Thu 1/299:50 amLIS - PHL

2 stops20h 02mMultiple Airlines

Deal found 12/11

$585

Thu 1/221:30 pmPHL - LIS

1 stop15h 45mTAP AIR PORTUGAL

Wed 1/2811:40 amLIS - PHL

1 stop11h 43mTAP AIR PORTUGAL

Deal found 12/11

$684

Sat 1/248:43 pmPHL - LIS

2 stops31h 37mMultiple Airlines

Sat 1/317:25 pmLIS - PHL

3 stops31h 38mMultiple Airlines

Deal found 12/10

$690

One-way flights from Philadelphia to Lisbon
Search for one-way flight options from Philadelphia to Lisbon. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Mon 1/126:06 pmPHL - LIS

2 stops57h 59mMultiple Airlines

Deal found 12/10

$268

Mon 3/98:30 amPHL - LIS

2 stops24h 50mMultiple Airlines

Deal found 12/11

$281

Sun 2/810:45 pmPHL - LIS

3 stops39h 55mMultiple Airlines

Deal found 12/11

$282

Sat 1/107:12 pmPHL - LIS

3 stops56h 18mMultiple Airlines

Deal found 12/10

$285

Mon 1/193:59 pmPHL - LIS

2 stops25h 36mMultiple Airlines

Deal found 12/11

$287

Mon 2/93:54 pmPHL - LIS

3 stops22h 46mMultiple Airlines

Deal found 12/11

$288

Wed 1/72:41 pmPHL - LIS

2 stops24h 39mMultiple Airlines

Deal found 12/10

$290

Tue 1/1311:00 amPHL - LIS

3 stops41h 05mMultiple Airlines

Deal found 12/10

$291

Sun 1/189:52 amPHL - LIS

2 stops23h 43mMultiple Airlines

Deal found 12/11

$293

Find flight deals from Philadelphia to Lisbon

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$504 (FlightHub)
One-way from	$268 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$1,084
Good round-trip deal	$881 or less
Good one-way deal	$668 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. 22% potential increase in price ($282 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 December 2025

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

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

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 2/24

9:30 pm-9:05 am

Nonstop6h 35m

Lisbon Humberto Delgado

Wed 3/4

11:05 am-2:25 pm

Nonstop8h 20m

$665

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 2/24

12:55 pm-9:20 am

2 stops15h 25m

Lisbon Humberto Delgado

Wed 3/4

5:00 am-3:49 pm

2 stops39h 49m

$667

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 5/13

10:00 am-10:20 am

1 stop19h 20m

Lisbon Humberto Delgado

Sun 5/17

6:05 pm-9:13 am

1 stop20h 08m

$699

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sat 1/24

8:40 am-9:55 am

1 stop20h 15m

Lisbon Humberto Delgado

Sat 1/31

5:15 pm-6:23 pm

1 stop30h 08m

$705

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 3/18

7:25 pm-2:50 pm

2 stops15h 25m

Lisbon Humberto Delgado

Tue 3/31

6:45 pm-2:00 pm

2 stops24h 15m

$708

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Fri 2/20

12:55 pm-10:15 am

2 stops16h 20m

Lisbon Humberto Delgado

Sun 3/1

5:00 am-4:05 pm

1 stop16h 05m

$762

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 1/5

9:10 pm-9:05 am

Nonstop6h 55m

Lisbon Humberto Delgado

Tue 1/13

6:30 am-3:40 pm

1 stop14h 10m

$849

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 1/7

6:30 am-8:10 am

2 stops20h 40m

Lisbon Humberto Delgado

Tue 1/20

11:20 am-6:54 pm

2 stops36h 34m

$850

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Thu 4/30

10:00 am-5:40 am

1 stop14h 40m

Lisbon Humberto Delgado

Sun 5/10

8:10 pm-7:30 pm

2 stops28h 20m

$861

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sat 3/14

2:52 pm-9:20 am

2 stops38h 28m

Lisbon Humberto Delgado

Sat 4/4

11:25 am-12:18 pm

2 stops29h 53m

$875

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 21 results

Compare providers for flights from Philadelphia to Lisbon

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Lisbon in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Lisbon flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

Prices

Airlines

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 45 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, March is the cheapest month in which you can book a flight from Philadelphia to Lisbon (average of $402). Flying from Philadelphia to Lisbon in July is currently the most expensive (average of $485). 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?

It’s typically best to fly out from Philadelphia to Lisbon in the morning. Doing so could potentially save you 50% on the flight price compared to flying in the afternoon, which is usually more expensive.

The best insider tips for Philadelphia to Lisbon flights

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.

LIS

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

Our travel experts

Mark Chesnut

Expert on PHL

Ramsey Qubein

Expert on LIS

Reviews of airlines servicing Lisbon

Read reviews from past customers who have flown Finnair, American Airlines, and TAP 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

1,334 reviews

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Finnair

7.6

Good

1,334 reviews

Finnair

7.6

Good

1,334 reviews

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

American Airlines

7.2

Good

11,050 reviews

Finnair

7.6

Good

1,334 reviews

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

TAP AIR PORTUGAL

7.1

Good

2,089 reviews

Finnair

7.6

Good

1,334 reviews

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Iberia

7.0

Good

3,045 reviews

Finnair

7.6

Good

1,334 reviews

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

British Airways

6.7

Okay

7,571 reviews

Finnair

7.6

Good

1,334 reviews

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

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 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?
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 Finnair, United Airlines, and TAP AIR PORTUGAL fly from Philadelphia to Lisbon in about 6h 35m. The time it takes to get you to your destination can typically vary by up to 12h 45m. 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?
United Airlines, at $560, was found to be the cheapest airline from Philadelphia to Lisbon.Alternate airlines to your destination round-trip include Iberia and British Airways. Users have found that United Airlines is 42% 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 ($477).
What are the most reliable airlines from Philadelphia to Lisbon?
The top 3 most reliable airlines when flying from Philadelphia to Lisbon are Finnair (78%), American Airlines (78%) and Iberia (78%).
What are the cheapest flights from Philadelphia to Lisbon?
While on average a flight from Philadelphia to Lisbon is generally $1,526, our data shows the cheapest flight currently is $560. When looking at the most popular route, (Philadelphia - Lisbon Humberto Delgado), you can expect to pay $504 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, March is the cheapest month in which you can book a flight from Philadelphia to Lisbon (average of $402). Flying from Philadelphia to Lisbon in July is currently the most expensive (average of $485). 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

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Alternative routes for Philadelphia to Lisbon

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Philadelphia to Porto flights

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Reagan-National to Ponta Delgada flights

Dulles Intl to Faro flights

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Reagan-National to Faro flights

Pittsburgh to Porto flights

Philadelphia to Funchal flights

Newark to Lajes flights

John F Kennedy Intl to Lajes flights

Dulles Intl to Lajes flights

John F Kennedy Intl to Horta flights

Philadelphia to Faro flights

Pittsburgh to Ponta Delgada flights

LaGuardia to Lajes flights

Elmira to Lisbon flights

John F Kennedy Intl to Pico Island flights

Allentown to Lisbon flights

Newark to Horta flights

Newark to Porto Santo flights

Philadelphia to Lajes flights

John F Kennedy Intl to Vila do Porto flights

Harrisburg to Lisbon flights

Other flights to Lisbon

Top 7 airlines flying from Philadelphia to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$560	Average$890	FlexibilityNo cancel fee	On-time69%
Iberia	Cheapest$566	Average$981	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$578	Average$922	FlexibilityNo cancel fee	On-time70%
Finnair	Cheapest$617	Average$959	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$624	Average$1,095	FlexibilityNo cancel fee	On-time71%
Aer Lingus	Cheapest$634	Average$864	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$666	Average$820	FlexibilityNo cancel fee	On-timeN/A

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$268+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Lisbon with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Philadelphia to Lisbon Humberto Delgado are usually found in November or February, booked 45 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 LisbonExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Philadelphia to Lisbon

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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 December.

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.

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Everything you need to know about your flight from Philadelphia to Lisbon

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

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What is the cheapest time of day to fly from PHL to LIS?

Weekly flight availability from Philadelphia to Lisbon

The best insider tips for Philadelphia to Lisbon flights

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Cheapflights partnered with top experts to bring you the best recommendations for your Philadelphia to Lisbon trip

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Reviews of airlines servicing Lisbon

Read reviews from past customers who have flown Finnair, American Airlines, and TAP 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.

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?

How popular is this Philadelphia to Lisbon flight route?

How long is the flight from Philadelphia to Lisbon?

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

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

What are the most reliable airlines from Philadelphia to Lisbon?

What are the cheapest flights from Philadelphia to Lisbon?

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

How can I find direct flights from Philadelphia to Lisbon?

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

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

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Alternative routes for Philadelphia to Lisbon

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Top 7 airlines flying from Philadelphia to Lisbon

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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 December 12, 2025.