$492+ Cheap flights from Porto (OPO) to Philadelphia (PHL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Porto to Philadelphia 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
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.3. Compare prices and book
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 Porto to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 17, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $594 (Finnair) |
One-way from | $492 (Kiwi.com) |
Find flight deals from Porto to Philadelphia
Cheapest flights from Porto to PhiladelphiaExplore the most affordable flight options available from Porto to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.
Explore the most affordable flight options available from Porto to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.
This Finnair deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 1/15. 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.
This Expedia deal was found by Cheapflights users on 1/15. 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.
This United Airlines deal was found by Cheapflights users on 1/15. 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.
This Lufthansa deal was found by Cheapflights users on 1/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Find flights from Porto to Philadelphia within your budget
Customize your flight search to find flights from Porto to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 17, 2025.
Fly from
Fly to
Route
Depart
Return
Price
PortoPhiladelphia
OPO - PHL
OPOPHL
Porto
Tue 2/11
8:40 pm-3:35 pm
1 stop23h 55m
Philadelphia
Thu 2/20
9:16 pm-5:15 pm
1 stop14h 59m
PortoPhiladelphia
OPO - PHL
OPOPHL
Porto
Tue 2/11
12:25 pm-1:30 pm
2 stops30h 05m
Philadelphia
Thu 2/20
9:16 pm-5:15 pm
1 stop14h 59m
PortoPhiladelphia
OPO - PHL
OPOPHL
Porto
Sat 2/1
8:40 pm-1:30 pm
2 stops21h 50m
Philadelphia
Sat 2/8
9:01 pm-11:45 am
1 stop9h 44m
PortoPhiladelphia
OPO - PHL
OPOPHL
Porto
Sun 2/9
6:00 am-4:00 pm
1 stop15h 00m
Philadelphia
Thu 2/20
5:45 pm-11:35 am
1 stop12h 50m
PortoPhiladelphia
OPO - PHL
OPOPHL
Porto
Sat 2/8
12:30 pm-4:00 pm
1 stop32h 30m
Philadelphia
Sun 2/23
5:35 pm-11:35 am
1 stop13h 00m
PortoPhiladelphia
OPO - PHL
OPOPHL
Porto
Sun 2/9
8:20 am-3:35 pm
1 stop12h 15m
Philadelphia
Fri 2/21
6:40 pm-8:00 pm
2 stops20h 20m
PortoPhiladelphia
OPO - PHL
OPOPHL
Porto
Fri 5/16
6:40 am-1:39 pm
3 stops35h 59m
Compare providers for flights from Porto to Philadelphia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Philadelphia in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Porto-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Porto-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Porto to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Porto with our price prediction graph.
Travel insights for flights from Porto to Philadelphia
Get recent, data-driven insights about flights from Porto to Philadelphia including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Porto to Philadelphia?
Currently, August is the cheapest month in which you can book a flight from Porto to Philadelphia (average of $236). Flying from Porto to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Rainfall in Philadelphia by month
Plan your trip to Philadelphia by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.
Temperature in Philadelphia by month
Plan your trip to Philadelphia by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).
Reviews of airlines servicing Philadelphia
Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated January 17, 2025.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.