$308+ Cheap flights from Philadelphia (PHL) to Porto (OPO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — OPO
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Porto with Cheapflights
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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to Porto
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to PortoExplore the most affordable flight options available from Philadelphia to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from Philadelphia to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This Gotogate deal was found by Cheapflights users on 9/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:20 pm -
2 stops16h 30m
Wed 12/97:20 pm -
2 stops25h 45m
Deal found 9/1![Multiple Airlines logo]()
$763
This United Airlines deal was found by Cheapflights users on 9/3. 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 12/86:00 am -
2 stops22h 30m
Fri 12/1112:35 pm -
2 stops28h 39m
Deal found 9/3![United Airlines logo]()
$783
This Expedia deal was found by Cheapflights users on 9/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:47 pm -
2 stops18h 13m
Wed 12/98:40 pm -
1 stop24h 10m
Deal found 9/1![Iberia logo]()
$785
This United Airlines deal was found by Cheapflights users on 9/2. 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 12/71:15 pm -
2 stops15h 15m
Sat 12/1212:30 pm -
2 stops15h 26m
Deal found 9/2![United Airlines logo]()
$817
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Sun 10/256:40 pm -
1 stop34h 00m
Tue 11/310:15 am -
2 stops34h 55m
Deal found 9/3![Multiple Airlines logo]()
$826
This lol.travel deal was found by Cheapflights users on 8/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:22 am -
1 stop19h 08m
Tue 11/35:50 pm -
1 stop32h 21m
Deal found 8/30![TAP AIR PORTUGAL logo]()
$830
This United deal was found by Cheapflights users on 9/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:53 am -
2 stops17h 37m
Sat 12/1212:30 pm -
1 stop32h 35m
Deal found 9/2![Multiple Airlines logo]()
$834
This Expedia deal was found by Cheapflights users on 9/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:50 pm -
1 stop10h 55m
Wed 12/24:40 pm -
1 stop28h 10m
Deal found 9/1![Iberia logo]()
$843
This Expedia deal was found by Cheapflights users on 9/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:20 pm -
2 stops16h 30m
Wed 12/212:55 pm -
2 stops30h 49m
Deal found 9/1![Multiple Airlines logo]()
$845
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:20 pm -
2 stops16h 30m
Mon 11/94:10 pm -
1 stop28h 55m
Deal found 8/31![Multiple Airlines logo]()
$848
This Air France deal was found by Cheapflights users on 8/30. 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.
Sun 10/184:29 pm -
2 stops18h 01m
Tue 11/35:00 am -
2 stops20h 03m
Deal found 8/30![Multiple Airlines logo]()
$850
Best flights from Philadelphia to PortoDiscover carefully curated flight deals from Philadelphia to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Philadelphia to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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 12/86:00 am -
2 stops22h 30m
Fri 12/1112:35 pm -
2 stops28h 39m
Deal found 9/3![United Airlines logo]()
$783
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/31. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:22 am -
1 stop19h 08m
Tue 10/275:50 pm -
1 stop31h 21m
Deal found 8/31![TAP AIR PORTUGAL logo]()
$885
This United deal was found by Cheapflights users on 8/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:54 am -
2 stops18h 36m
Sun 11/16:00 am -
1 stop15h 05m
Deal found 8/30![Multiple Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 9/1. 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.
Wed 12/306:00 am -
2 stops21h 15m
Sun 1/105:00 am -
2 stops23h 40m
Deal found 9/1![Delta logo]()
$941
This Justfly.com deal was found by Cheapflights users on 9/3. 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.
Sun 10/253:20 pm -
2 stops16h 45m
Sun 11/17:20 pm -
2 stops49h 45m
Deal found 9/3![Multiple Airlines logo]()
$904
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:26 pm -
2 stops22h 34m
Wed 10/216:00 pm -
1 stop20h 32m
Deal found 9/3![TAP AIR PORTUGAL logo]()
$906
This Delta deal was found by Cheapflights users on 9/1. 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.
Sun 1/36:00 am -
2 stops21h 15m
Sat 1/95:00 am -
2 stops18h 15m
Deal found 9/1![Delta logo]()
$946
This United Airlines deal was found by Cheapflights users on 9/1. 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 1/35:40 pm -
1 stop13h 00m
Sat 1/96:00 am -
2 stops39h 21m
Deal found 9/1![United Airlines logo]()
$955
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/1. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:27 am -
1 stop20h 03m
Sun 11/16:00 pm -
2 stops32h 11m
Deal found 9/1![TAP AIR PORTUGAL logo]()
$941
This Delta deal was found by Cheapflights users on 9/3. 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.
Thu 10/1512:25 pm -
2 stops15h 05m
Fri 10/235:00 am -
2 stops22h 07m
Deal found 9/3![Delta logo]()
$972
Last-minute flights from Philadelphia to PortoDiscover last-minute flight deals from Philadelphia to Porto. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Porto. Data last updated September 4, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:57 pm -
1 stop13h 58m
Wed 10/146:00 pm -
1 stop20h 32m
Deal found 8/31![TAP AIR PORTUGAL logo]()
$863
This lol.travel deal was found by Cheapflights users on 8/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:22 am -
1 stop19h 08m
Tue 11/35:50 pm -
1 stop32h 21m
Deal found 8/30![TAP AIR PORTUGAL logo]()
$830
This Air France deal was found by Cheapflights users on 8/30. 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.
Sun 10/184:29 pm -
2 stops18h 01m
Tue 11/35:00 am -
2 stops20h 03m
Deal found 8/30![Multiple Airlines logo]()
$850
This Sembo deal was found by Cheapflights users on 8/31. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:09 pm -
1 stop15h 21m
Tue 10/275:50 pm -
1 stop31h 21m
Deal found 8/31![TAP AIR PORTUGAL logo]()
$874
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Sun 10/256:40 pm -
1 stop34h 00m
Tue 11/310:15 am -
2 stops34h 55m
Deal found 9/3![Multiple Airlines logo]()
$826
This Booking.com deal was found by Cheapflights users on 9/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:40 pm -
1 stop13h 00m
Tue 11/36:00 am -
1 stop15h 05m
Deal found 9/2![Lufthansa logo]()
$856
This British Airways deal was found by Cheapflights users on 9/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:25 pm -
1 stop16h 20m
Tue 11/38:40 pm -
1 stop23h 55m
Deal found 9/3![British Airways logo]()
$867
This Air France deal was found by Cheapflights users on 8/31. 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.
Mon 10/2612:32 pm -
2 stops18h 03m
Tue 11/39:55 am -
2 stops18h 13m
Deal found 8/31![Multiple Airlines logo]()
$857
This Iberia deal was found by Cheapflights users on 8/31. 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.
Mon 10/268:40 pm -
1 stop19h 20m
Tue 11/38:40 pm -
1 stop23h 55m
Deal found 8/31![Iberia logo]()
$864
This American Airlines deal was found by Cheapflights users on 8/31. 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.
Mon 10/265:31 pm -
2 stops14h 14m
Tue 11/312:25 pm -
1 stop32h 10m
Deal found 8/31![American Airlines logo]()
$869
One-way flights from Philadelphia to PortoSearch for one-way flight options from Philadelphia to Porto. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Philadelphia to Porto. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Sat 10/103:26 pm -
3 stops41h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Mon 9/285:15 am -
3 stops35h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Thu 10/13:30 pm -
2 stops23h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$347
This British Airways deal was found by Cheapflights users on 8/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:35 pm -
1 stop18h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![British Airways logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/30. 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 12/277:37 pm -
2 stops32h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![United Airlines logo]()
$366
This Orbitz deal was found by Cheapflights users on 8/30. 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.
Sun 12/277:50 pm -
1 stop30h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![Iberia logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 8/30. 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.
Sun 9/278:02 pm -
3 stops46h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Thu 9/248:02 pm -
3 stops44h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$381
Find flight deals from Philadelphia to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Porto (OPO). 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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $759 (Expedia) |
One-way from | $308 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $934 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Porto 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 7,457,451 searches. Data last updated September 4, 2026.
Use the filters below to find and compare flights from Philadelphia to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Mon 9/28
5:15 am-11:20 pm
2 stops37h 05m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$326
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Sat 10/10
3:26 pm-8:30 am
2 stops36h 04m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$332
Quickest round-trip
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Sun 2/28
11:39 am-9:30 am
2 stops16h 51m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$360
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Mon 12/28
6:35 pm-5:35 pm
1 stop18h 00m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$364
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Sun 12/27
7:37 pm-9:30 am
2 stops32h 53m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$366
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Thu 9/24
8:02 pm-9:25 pm
3 stops44h 23m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$381
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Sun 9/27
5:45 pm-11:20 pm
2 stops48h 35m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$390
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Thu 10/8
5:45 pm-8:50 pm
3 stops46h 05m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$407
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Tue 12/15
5:40 pm-7:20 pm
2 stops20h 40m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$448
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Tue 12/15
6:35 pm-5:50 pm
1 stop18h 15m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$456
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Porto
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 Porto in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Philadelphia-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Porto 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-Porto 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 Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Philadelphia with our price prediction graph.
PHL-OPO
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 Porto
Reviews of airlines servicing Porto
Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated September 4, 2026.
See what other customers who have flown with United Airlines,American Airlines, andIberia from Philadelphia to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
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Porto flight routes
Alternative routes for Philadelphia to Porto
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Porto by cabin class
Find flights from Philadelphia to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Porto flights
Browse other Philadelphia and Porto flight options. Last updated on September 4, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Top 3 airlines flying from Philadelphia to Porto
Discover the top 3 airlines that operate flights from Philadelphia to Porto. 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$489 | Average$925 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$496 | Average$898 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$695 | Average$1,224 | FlexibilityNo cancel fee | On-time71% |