Which airport is the most popular layover for flights between Philadelphia and Lisbon?

Boston (BOS) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Philadelphia to Lisbon?

Dublin (DUB) has the shortest average layover time for this route: 1h 40m.

Which layover airport has the shortest travel time from Philadelphia to Lisbon?

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 10h 55m.

What airlines fly to Lisbon?

TAP AIR PORTUGAL, United Airlines and Delta are the top three most popular airlines that fly to Lisbon from Philadelphia according to our data. TAP AIR PORTUGAL is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 25 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Philadelphia to Lisbon?

Flights via Boston (BOS) offer the lowest average round-trip price of $678.

How many flights depart from Philadelphia to Lisbon on average per week?

As of January 2026, there are 24 flights per week flying from Philadelphia to Lisbon. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

How many flights depart from Philadelphia to Lisbon on average per day?

As of January 2026, 3 flights take off from Philadelphia and land in Lisbon each day. The most common flight departure time for this route is 9:00PM, with 100% of daily flights taking off in the evening.

When did momondo last update prices for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport?

Prices for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport refresh daily.

How many operators does momondo search for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport?

The number of operators available for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport is 7 as of January 2026.

How old do you have to be to fly from Philadelphia Airport to Lisbon Humberto Delgado Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The required travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$280 Cheap Flights from Philadelphia to Lisbon in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Philadelphia to Lisbon

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:35 pm - 9:20 am

PHL

LIS

12h 45m

1 stop

5:00 am - 5:05 pm

LIS

PHL

16h 05m

1 stop

$521Lufthansa

Mon, Mar 9 - Tue, Mar 17

6:40 pm - 11:35 am

PHL

LIS

12h 55m

1 stop

5:00 am - 5:05 pm

LIS

PHL

16h 05m

1 stop

$532Lufthansa

Sun, Mar 8 - Tue, Mar 17

6:40 pm - 11:35 am

PHL

LIS

12h 55m

1 stop

5:00 am - 5:05 pm

LIS

PHL

16h 05m

1 stop

$534Lufthansa

Sun, Mar 8 - Tue, Mar 17

6:40 pm - 11:35 am

PHL

LIS

12h 55m

1 stop

6:10 am - 5:05 pm

LIS

PHL

14h 55m

2 stops

$541Lufthansa

Sun, Mar 8 - Tue, Mar 17

3:30 pm - 9:20 am

PHL

LIS

13h 50m

1 stop

5:00 am - 5:05 pm

LIS

PHL

16h 05m

1 stop

$543Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

4:25 pm - 9:20 am

PHL

LIS

35h 55m

2 stops

7:25 am - 4:00 pm

LIS

PHL

13h 35m

1 stop

$547Multiple Airlines

Sun, Apr 12 - Tue, Apr 21

7:50 am - 9:20 am

PHL

LIS

20h 30m

1 stop

11:20 am - 3:49 pm

LIS

PHL

33h 29m

1 stop

$548Air Canada

Wed, Feb 25 - Wed, Mar 4

7:50 am - 9:20 am

PHL

LIS

21h 30m

2 stops

5:00 am - 5:05 pm

LIS

PHL

16h 05m

1 stop

$550Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

3:30 pm - 9:20 am

PHL

LIS

37h 50m

2 stops

5:00 am - 5:05 pm

LIS

PHL

16h 05m

1 stop

$551Multiple Airlines

Sun, Mar 8 - Tue, Mar 17

4:35 pm - 9:20 am

PHL

LIS

36h 45m

2 stops

5:00 am - 5:05 pm

LIS

PHL

16h 05m

1 stop

$552Multiple Airlines

Mon, Mar 9 - Tue, Mar 17

Lufthansa flights from Philadelphia to Lisbon

Our best Lufthansa deals on Philadelphia to Lisbon flight tickets

Lufthansa

Mar 9

PHL4:35 pmPhiladelphia

12h 45m

1 stop

LIS9:20 amLisbon Humberto Delgado

Mar 17

LIS5:00 amLisbon Humberto Delgado

16h 05m

1 stop

PHL5:05 pmPhiladelphia

$521

Lufthansa

Mar 8

PHL6:40 pmPhiladelphia

12h 55m

1 stop

LIS11:35 amLisbon Humberto Delgado

Mar 17

LIS5:00 amLisbon Humberto Delgado

16h 05m

1 stop

PHL5:05 pmPhiladelphia

$532

Lufthansa

Mar 8

PHL6:40 pmPhiladelphia

12h 55m

1 stop

LIS11:35 amLisbon Humberto Delgado

Mar 17

LIS5:00 amLisbon Humberto Delgado

16h 05m

1 stop

PHL5:05 pmPhiladelphia

$534

United Airlines flights from Philadelphia to Lisbon

Our best United Airlines deals on Philadelphia to Lisbon flight tickets

United Airlines

Mar 4

PHL8:02 pmPhiladelphia

9h 13m

1 stop

LIS10:15 amLisbon Humberto Delgado

Apr 14

LIS7:25 amLisbon Humberto Delgado

13h 35m

1 stop

PHL4:00 pmPhiladelphia

$559

United Airlines

Mar 8

PHL7:50 amPhiladelphia

21h 30m

1 stop

LIS9:20 amLisbon Humberto Delgado

Apr 14

LIS5:05 amLisbon Humberto Delgado

15h 55m

1 stop

PHL4:00 pmPhiladelphia

$563

United Airlines

Mar 4

PHL10:06 amPhiladelphia

19h 09m

2 stops

LIS10:15 amLisbon Humberto Delgado

Mar 12

LIS5:00 amLisbon Humberto Delgado

16h 05m

1 stop

PHL5:05 pmPhiladelphia

$564

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 3/9

4:35 pm-9:20 am

1 stop12h 45m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-5:05 pm

1 stop16h 05m

$521

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sun 3/8

6:40 pm-11:35 am

1 stop12h 55m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-5:05 pm

1 stop16h 05m

$532

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sun 3/8

6:40 pm-11:35 am

1 stop12h 55m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-5:05 pm

1 stop16h 05m

$534

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sun 3/8

6:40 pm-11:35 am

1 stop12h 55m

Lisbon Humberto Delgado

Tue 3/17

6:10 am-5:05 pm

2 stops14h 55m

$541

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 3/10

3:30 pm-9:20 am

1 stop13h 50m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-5:05 pm

1 stop16h 05m

$543

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sun 4/12

4:25 pm-9:20 am

2 stops35h 55m

Lisbon Humberto Delgado

Tue 4/21

7:25 am-4:00 pm

1 stop13h 35m

$547

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 2/25

7:50 am-9:20 am

1 stop20h 30m

Lisbon Humberto Delgado

Wed 3/4

11:20 am-3:49 pm

1 stop33h 29m

$548

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Tue 3/10

7:50 am-9:20 am

2 stops21h 30m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-5:05 pm

1 stop16h 05m

$550

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Sun 3/8

3:30 pm-9:20 am

2 stops37h 50m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-5:05 pm

1 stop16h 05m

$551

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Mon 3/9

4:35 pm-9:20 am

2 stops36h 45m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-5:05 pm

1 stop16h 05m

$552

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Lisbon?

In general, November is the cheapest month to fly from Philadelphia to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $707. If you are unable to visit Lisbon during the month of November, then departing from Philadelphia during the month February is also very affordable. Most momondo users find prices during this month for around $734.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Tuesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $945. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Lisbon for around $1,109.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the evening when flights can be purchased for as low as $1,006. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,415 on average. Flights to Lisbon from Philadelphia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Philadelphia to Lisbon Humberto Delgado flight route?

Fly from Philadelphia to Lisbon Humberto Delgado for the best Philadelphia - Lisbon Humberto Delgado flight prices

How far in advance should I book a flight to Lisbon?

You are more likely to see cheaper flights to Lisbon from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $981 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Philadelphia for as low as $816 on momondo.

What cabin class options are available on Philadelphia to Lisbon Humberto Delgado flights?

There are 3 cabin classes available to choose from on Philadelphia to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Philadelphia to Lisbon flight prices changed over time?

As of January 2026, prices for Philadelphia to Lisbon flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Philadelphia to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Lisbon according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Lisbon (PHL to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Lisbon

Best Price Found	$601
Fastest flight time	6h 30m
Direct flights	Every day
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from Philadelphia in the past 72 hours is $601. The best round-trip flight deal from Philadelphia to Lisbon found on momondo in the last 72 hours is $756.

The fastest flight from Philadelphia to Lisbon takes 6h 30m

Direct flights go from Philadelphia to Lisbon every day.

There is 1 airport in Lisbon. From Philadelphia there are direct flights to Lisbon Humberto Delgado (LIS).

Search flight deals

How far is Philadelphia to Lisbon Humberto Delgado by plane?
A flight from Philadelphia to Lisbon Humberto Delgado will travel around 3442.0 mi. Flights usually cover this in 6h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport?
The number of operators available for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport is 7 as of January 2026.
How old do you have to be to fly from Philadelphia Airport to Lisbon Humberto Delgado Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The required travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Philadelphia to Lisbon?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Philadelphia to Lisbon is Boeing 787-9 Dreamliner (52.25% of total bookings). The next most popular plane models are Boeing 787-8 Dreamliner (28.73%), Boeing 787 Dreamliner (13.38%), and Boeing 767-400 (0.85%).
What is the most popular airline from Philadelphia to Lisbon?
Based on momondo bookings for flights between Philadelphia and Lisbon, the leading airline is Iberia, making up 34% of the total bookings. Other popular airlines include American Airlines with 28%, British Airways with 23%, and Finnair with 9%.

Best airlines flying from Philadelphia to Lisbon

Compare and see reviews for airlines that fly from Philadelphia to Lisbon with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $560	Free Cancellation	Rating 7.4 9,144 reviews	Search United Airlines flights
Iberia	PriceFrom $564	Free Cancellation	Rating 7.0 3,083 reviews	Search Iberia flights
British Airways	PriceFrom $576	Free Cancellation	Rating 6.7 7,664 reviews	Search British Airways flights
Finnair	PriceFrom $617	Free Cancellation	Rating 7.6 1,347 reviews	Search Finnair flights
American Airlines	PriceFrom $624	Free Cancellation	Rating 7.2 11,110 reviews	Search American Airlines flights
Aer Lingus	PriceFrom $639	Free Cancellation	Rating 7.2 1,433 reviews	Search Aer Lingus flights
TAP AIR PORTUGAL	PriceFrom $666	Free Cancellation	Rating 7.1 2,116 reviews	Search TAP AIR PORTUGAL flights

Finnair Flights From Philadelphia to Lisbon
Finnair flies from Philadelphia to Lisbon around 6 times per week, with 1,347 momondo users rating the airline 7.6/10. The cheapest Finnair deal from Philadelphia to Lisbon in the last 72 hours was $617 (round-trip), much lower than the average airfare cost of $960 for Finnair flights on this route.
American Airlines Flights From Philadelphia to Lisbon
American Airlines (7.2/10 from 11,110 reviews) operates around 6 flights from Philadelphia to Lisbon in any given week. The average American Airlines airfare for this route is around $1,119, with deals from around $624 rare but found on momondo. Referenced prices are for round-trip Philadelphia to Lisbon flight searches in the last 72 hours.

Sintra

Ericeira

Fátima

Nazaré

Setúbal

Estoril

Peniche

Leiria

Oeiras

Sesimbra

Tomar

Evora

Figueira da Foz

Zambujeira do Mar

Batalha

Torres Vedras

Óbidos

Comporta

Sines

Almada

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Lisbon?

Finding the right flight to Lisbon from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Lisbon quick and easy, saving you time and money.

Can I find flights from Philadelphia to Lisbon with flexible booking policies on momondo?

Flights from Philadelphia to Lisbon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to Lisbon?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Philadelphia to Lisbon.

I’m not ready to book a flight from Philadelphia to Lisbon right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to Lisbon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 2/11

Wed 2/18

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Airports servicing Portugal

Cheap flights from Philadelphia to Lisbon from $280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Lisbon departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Philadelphia to Lisbon

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Lufthansa flights from Philadelphia to Lisbon

Our best Lufthansa deals on Philadelphia to Lisbon flight tickets

United Airlines flights from Philadelphia to Lisbon

Our best United Airlines deals on Philadelphia to Lisbon flight tickets

momondo Fare Finder

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

See travel insights to Lisbon from

How to get the cheapest flight ticket from Philadelphia to Lisbon

What is the cheapest month to fly to Lisbon?

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Tuesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $945. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Lisbon for around $1,109.

What is the cheapest time of day to depart on your flight to Lisbon?

What is the cheapest Philadelphia to Lisbon Humberto Delgado flight route?

Fly from Philadelphia to Lisbon Humberto Delgado for the best Philadelphia - Lisbon Humberto Delgado flight prices

How far in advance should I book a flight to Lisbon?

What cabin class options are available on Philadelphia to Lisbon Humberto Delgado flights?

There are 3 cabin classes available to choose from on Philadelphia to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Philadelphia to Lisbon flight prices changed over time?

As of January 2026, prices for Philadelphia to Lisbon flights are approximately 5% cheaper when compared to flights at the same time last year.

What airlines fly to Lisbon?

Which airport is the most popular layover for flights between Philadelphia and Lisbon?

Boston (BOS) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Philadelphia to Lisbon?

Flights via Boston (BOS) offer the lowest average round-trip price of $678.

Which layover airport has the shortest travel time from Philadelphia to Lisbon?

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 10h 55m.

Which layover airport has the shortest connection time from Philadelphia to Lisbon?

Dublin (DUB) has the shortest average layover time for this route: 1h 40m.

How many flights depart from Philadelphia to Lisbon on average per day?

As of January 2026, 3 flights take off from Philadelphia and land in Lisbon each day. The most common flight departure time for this route is 9:00PM, with 100% of daily flights taking off in the evening.

How many flights depart from Philadelphia to Lisbon on average per week?

As of January 2026, there are 24 flights per week flying from Philadelphia to Lisbon. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

When to book flights from Philadelphia to Lisbon

Cheap Philadelphia to Lisbon (PHL to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Lisbon

Best Price Found

Fastest flight time

Direct flights

Airports in Lisbon

How far is Philadelphia to Lisbon Humberto Delgado by plane?

When did momondo last update prices for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport?

How many operators does momondo search for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport?

How old do you have to be to fly from Philadelphia Airport to Lisbon Humberto Delgado Airport?

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

What is the most popular plane model from Philadelphia to Lisbon?

What is the most popular airline from Philadelphia to Lisbon?

Best airlines flying from Philadelphia to Lisbon

Compare and see reviews for airlines that fly from Philadelphia to Lisbon with momondo

Finnair Flights From Philadelphia to Lisbon

American Airlines Flights From Philadelphia to Lisbon

Traveling to a place near Lisbon?

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Lisbon?

Can I find flights from Philadelphia to Lisbon with flexible booking policies on momondo?

How can momondo help me find flights from Philadelphia to Lisbon?

I’m not ready to book a flight from Philadelphia to Lisbon right now. Can momondo alert me if prices change?

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal