Portugal

$395+ Cheap flights from Philadelphia (PHL) to Portugal

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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIS
Jun 9 — Jun 161
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Cheap flight deals from Philadelphia to Portugal

Cheapest flights from Philadelphia to Portugal
Explore the most affordable flight options available from Philadelphia to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.

This Travelocity deal was found by Cheapflights users on 5/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:35 pm
PHL
-
OPO
1 stop17h 05m
British Airways
Wed 12/238:20 am
OPO
-
PHL
1 stop12h 30m
British Airways
Deal found 5/7$706
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Mon 11/91:00 pm
PHL
-
OPO
2 stops15h 30m
United Airlines
Fri 11/206:00 am
OPO
-
PHL
2 stops38h 51m
United Airlines
Deal found 5/7$710
This FlightHub deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:30 pm
PHL
-
OPO
2 stops16h 20m
Air Canada
Fri 11/206:00 am
OPO
-
PHL
2 stops21h 46m
Air Canada
Deal found 5/8$712
This Delta deal was found by Cheapflights users on 5/7. 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.
Mon 11/309:40 am
PHL
-
OPO
2 stops19h 50m
Delta
Tue 12/85:00 am
OPO
-
PHL
2 stops23h 40m
Delta
Deal found 5/7$713
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Mon 11/308:26 pm
PHL
-
OPO
2 stops37h 49m
United Airlines
Tue 12/86:00 am
OPO
-
PHL
1 stop15h 05m
United Airlines
Deal found 5/7$722
This Orbitz deal was found by Cheapflights users on 5/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:35 pm
PHL
-
OPO
1 stop18h 10m
British Airways
Wed 12/238:20 am
OPO
-
PHL
1 stop12h 30m
British Airways
Deal found 5/7$736
This United Airlines deal was found by Cheapflights users on 5/6. 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 10/177:40 pm
PHL
-
OPO
2 stops33h 05m
United Airlines
Tue 10/276:00 am
OPO
-
PHL
2 stops31h 24m
United Airlines
Deal found 5/6$743
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Tue 10/133:25 pm
PHL
-
OPO
1 stop10h 35m
Multiple Airlines
Fri 10/238:40 am
OPO
-
PHL
2 stops37h 42m
Multiple Airlines
Deal found 5/6$744
This Orbitz deal was found by Cheapflights users on 5/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1510:33 am
PHL
-
OPO
2 stops16h 07m
Multiple Airlines
Wed 12/238:20 am
OPO
-
PHL
1 stop12h 30m
Multiple Airlines
Deal found 5/7$746
This KAYAK deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:50 pm
PHL
-
OPO
1 stop19h 10m
Multiple Airlines
Fri 11/208:20 am
OPO
-
PHL
1 stop12h 30m
Multiple Airlines
Deal found 5/8$749
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Sun 12/1310:15 am
PHL
-
OPO
2 stops24h 00m
United Airlines
Wed 12/236:00 am
OPO
-
PHL
2 stops22h 35m
United Airlines
Deal found 5/7$758
This FlightHub deal was found by Cheapflights users on 5/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:12 pm
PHL
-
LIS
2 stops20h 53m
Scandinavian Airlines
Tue 11/104:55 pm
LIS
-
PHL
2 stops35h 01m
Scandinavian Airlines
Deal found 5/7$767

Find flight deals from Philadelphia to Portugal

Keep the following information in mind while searching for Philadelphia to Portugal flight deals. Data was last updated May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$743
(United Airlines)

One-way from

$395
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,272

Good round-trip deal

$1,350 or less

Good one-way deal

$818 or less
Provider with most accurate pricing for Philadelphia-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Lisbon Humberto Delgado flights.
From Philadelphia to Portugal
One-way flight from Philadelphia to Portugal
Highest demand for flights based on searches. 21% potential increase in price ($271 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Philadelphia to Portugal.
Price to beat on a one-way flight from Philadelphia to Portugal.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Portugal 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 May 10, 2026.
Use the filters below to find and compare flights from Philadelphia to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 10/25

6:10 am-9:30 am

2 stops23h 20m

Porto

Sun 11/1

6:00 am-10:27 am

2 stops33h 27m

$762

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 10/25

10:15 am-9:30 am

2 stops19h 15m

Porto

Sun 11/8

6:00 am-9:24 am

2 stops32h 24m

$767

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sat 10/17

3:25 pm-7:00 am

1 stop10h 35m

Porto

Tue 10/27

12:30 pm-2:22 pm

2 stops29h 52m

$787

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Thu 10/29

10:15 am-9:30 am

2 stops19h 15m

Porto

Sat 11/7

6:00 am-4:05 pm

1 stop15h 05m

$801

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 7/15

6:00 am-7:00 am

2 stops20h 00m

Porto

Wed 7/22

11:20 am-11:44 pm

2 stops41h 24m

$824

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 7/8

11:38 am-7:00 am

2 stops14h 22m

Porto

Tue 7/21

12:15 pm-11:44 pm

2 stops40h 29m

$824

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 7/8

10:32 am-7:00 am

2 stops15h 28m

Porto

Wed 7/15

6:00 am-4:05 pm

1 stop15h 05m

$828

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 9/28

6:15 am-9:45 am

2 stops22h 30m

Porto

Thu 10/1

6:00 am-4:05 pm

1 stop15h 05m

$841

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 6/21

10:05 am-6:50 am

1 stop15h 45m

Porto

Tue 6/30

12:15 pm-5:52 pm

2 stops34h 37m

$885

PhiladelphiaLisbon

PHL - LIS

PHLLIS

Philadelphia

Wed 11/4

5:38 pm-9:00 am

1 stop10h 22m

Lisbon Humberto Delgado

Wed 11/11

11:15 am-8:07 pm

1 stop13h 52m

$901

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 55 resultsSorted by cheapest first
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Best time to book a flight from Philadelphia to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

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

The best time to book flights from Philadelphia to Portugal is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from Philadelphia to Portugal (average of $106). Flying from Philadelphia to Portugal in July is currently the most expensive (average of $609). 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 PT?

Find hourly flight availability from Philadelphia to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 10, 2026.

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

Weekly flight availability from Philadelphia to Portugal

Explore weekly flight availability from Philadelphia to Portugal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 10, 2026.

The most flights from PHL to PT0 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).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated May 10, 2026.
Read reviews from past customers who have flown Finnair,Aer Lingus, andAmerican Airlines from Philadelphia to Portugal. 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.

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

Overall

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

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

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

Overall

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

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

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

Overall

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

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

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

Overall

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

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

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

Overall

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

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

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

Overall

7.6

Food

6.7

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 Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Philadelphia to Portugal?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Portugal.

  • How popular is this Philadelphia to Portugal flight route?

  • How long is the flight from Philadelphia to Portugal?

    For as low as $1,232, United Airlines can have you in Portugal from Philadelphia in 6h 40m. Philadelphia and Portugal are separated by a distance of 3447 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Philadelphia to Portugal are United Airlines ($248), Iberia ($287), and TAP AIR PORTUGAL ($350).

  • What are the most popular routes from Philadelphia to Portugal?

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

    No one likes to see their flight delayed. When booking a flight from Philadelphia to Portugal consider choosing American Airlines (88%), Finnair (88%) or Iberia (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Philadelphia to Portugal?

    Looking for the cheapest flight from Philadelphia to Portugal? While on average our users pay $1,622, our data indicates the cheapest price to be $704. The most popular route (Philadelphia - Lisbon Humberto Delgado), is priced around $773.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Philadelphia to Portugal (average of $106). Flying from Philadelphia to Portugal in July is currently the most expensive (average of $609). 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 Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Philadelphia to Portugal

Discover the top 8 airlines that operate flights from Philadelphia to Portugal. 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$489Average$719FlexibilityNo cancel feeOn-time69%
IberiaCheapest$522Average$857FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$567Average$1,007FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$568Average$894FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$575Average$907FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$622Average$952FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$631Average$813FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$665Average$973FlexibilityNo cancel feeOn-time76%

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