What is the cheapest airline that flies from Porto to Philadelphia?

Iberia is the most popular carrier operating from Porto to Philadelphia

When did momondo last update prices for flights from Porto Airport to Philadelphia Airport?

Prices for flights from Porto Airport to Philadelphia Airport are refreshed on a daily basis.

How old do you have to be to fly from Porto Airport to Philadelphia Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$407 Cheap Flights from Porto to Philadelphia in 2026

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Find the cheapest flights from Porto to Philadelphia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 5:05 pm

OPO

PHL

15h 05m

1 stop

6:40 pm - 2:45 pm

PHL

OPO

16h 05m

1 stop

$782Lufthansa

Thu, Mar 12 - Thu, Mar 19

6:00 am - 5:05 pm

OPO

PHL

15h 05m

1 stop

6:40 pm - 2:45 pm

PHL

OPO

16h 05m

1 stop

$784Lufthansa

Thu, Mar 12 - Thu, Mar 19

6:00 am - 4:05 pm

OPO

PHL

15h 05m

1 stop

5:40 pm - 3:45 pm

PHL

OPO

17h 05m

1 stop

$799United Airlines

Thu, Apr 9 - Thu, Apr 16

6:00 am - 10:44 pm

OPO

PHL

20h 44m

2 stops

3:30 pm - 11:40 am

PHL

OPO

16h 10m

2 stops

$800Air Canada

Thu, Mar 12 - Thu, Mar 19

6:00 am - 3:49 pm

OPO

PHL

37h 49m

2 stops

6:40 pm - 11:40 am

PHL

OPO

13h 00m

1 stop

$804Multiple Airlines

Thu, Mar 12 - Thu, Mar 19

6:00 am - 5:05 pm

OPO

PHL

15h 05m

1 stop

6:40 pm - 7:50 am

PHL

OPO

33h 10m

2 stops

$806Multiple Airlines

Thu, Mar 12 - Thu, Mar 19

6:00 am - 3:49 pm

OPO

PHL

37h 49m

2 stops

3:30 pm - 11:40 am

PHL

OPO

16h 10m

2 stops

$828Multiple Airlines

Thu, Mar 12 - Thu, Mar 19

6:00 am - 3:49 pm

OPO

PHL

37h 49m

2 stops

6:40 pm - 6:30 pm

PHL

OPO

19h 50m

2 stops

$829Multiple Airlines

Thu, Mar 12 - Thu, Mar 19

8:20 am - 4:55 pm

OPO

PHL

12h 35m

1 stop

7:45 pm - 8:00 pm

PHL

OPO

20h 15m

1 stop

$836Iberia

Thu, Mar 12 - Thu, Mar 19

8:00 pm - 5:00 pm

OPO

PHL

25h 00m

2 stops

6:30 pm - 6:05 pm

PHL

OPO

19h 35m

2 stops

$838Multiple Airlines

Sun, Mar 15 - Sun, Mar 22

Delta flights from Porto to Philadelphia

Our best Delta deals on Porto to Philadelphia flight tickets

Delta

Aug 6

OPO5:00 amPorto

22h 37m

2 stops

PHL10:37 pmPhiladelphia

Aug 25

PHL1:00 pmPhiladelphia

16h 30m

2 stops

OPO10:30 amPorto

$1,016

Delta

Aug 6

OPO5:00 amPorto

19h 58m

2 stops

PHL7:58 pmPhiladelphia

Aug 25

PHL10:38 amPhiladelphia

18h 52m

2 stops

OPO10:30 amPorto

$1,025

Iberia flights from Porto to Philadelphia

Our best Iberia deals on Porto to Philadelphia flight tickets

Iberia

Mar 12

OPO8:20 amPorto

12h 35m

1 stop

PHL4:55 pmPhiladelphia

Mar 19

PHL7:45 pmPhiladelphia

20h 15m

1 stop

OPO8:00 pmPorto

$836

Iberia

Aug 6

OPO8:20 amPorto

14h 15m

1 stop

PHL5:35 pmPhiladelphia

Aug 25

PHL8:30 pmPhiladelphia

10h 15m

1 stop

OPO11:45 amPorto

$1,046

Fly from

Fly to

Route

Depart

Return

Price

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

6:00 am-5:05 pm

1 stop15h 05m

Philadelphia

Thu 3/19

6:40 pm-2:45 pm

1 stop16h 05m

$782

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

6:00 am-5:05 pm

1 stop15h 05m

Philadelphia

Thu 3/19

6:40 pm-2:45 pm

1 stop16h 05m

$784

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 4/9

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

Thu 4/16

5:40 pm-3:45 pm

1 stop17h 05m

$799

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

6:00 am-10:44 pm

2 stops20h 44m

Philadelphia

Thu 3/19

3:30 pm-11:40 am

2 stops16h 10m

$800

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

6:00 am-3:49 pm

2 stops37h 49m

Philadelphia

Thu 3/19

6:40 pm-11:40 am

1 stop13h 00m

$804

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

6:00 am-5:05 pm

1 stop15h 05m

Philadelphia

Thu 3/19

6:40 pm-7:50 am

2 stops33h 10m

$806

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

6:00 am-3:49 pm

2 stops37h 49m

Philadelphia

Thu 3/19

3:30 pm-11:40 am

2 stops16h 10m

$828

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

6:00 am-3:49 pm

2 stops37h 49m

Philadelphia

Thu 3/19

6:40 pm-6:30 pm

2 stops19h 50m

$829

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

8:20 am-4:55 pm

1 stop12h 35m

Philadelphia

Thu 3/19

7:45 pm-8:00 pm

1 stop20h 15m

$836

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sun 3/15

8:00 pm-5:00 pm

2 stops25h 00m

Philadelphia

Sun 3/22

6:30 pm-6:05 pm

2 stops19h 35m

$838

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 Porto to Philadelphia

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

Can stopping save me money on Porto to Philadelphia flights?

You could potentially save up to 10% on your flight if you consider stops on a Porto to Philadelphia flight.

When to book flights from Porto to Philadelphia

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

Estimated round-trip price

Cheap Porto to Philadelphia (OPO to PHL) flight deals and tips

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

Fastest flight time	16h 09m
Direct flights	None

The fastest flight from Porto to Philadelphia takes 16h 09m

There are no direct flights from Porto to Philadelphia. There are no popular flight routes from Porto to Philadelphia.

Search flight deals

How far is Porto to Philadelphia by plane?
Porto and Philadelphia are 3401.6 mi apart from one another. Typically, this will take 16h 09m by plane in normal conditions.
When did momondo last update prices for flights from Porto Airport to Philadelphia Airport?
Prices for flights from Porto Airport to Philadelphia Airport are refreshed on a daily basis.
How old do you have to be to fly from Porto Airport to Philadelphia Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Wildwood

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Dewey Beach

Reading

North Wildwood

Avalon

Dover

Lewes

Stone Harbor

Essington

Vineland

New Castle

Pottstown

Elkton

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Porto.

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

Flights from Porto to Philadelphia 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 Porto to Philadelphia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Porto.

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

If you are not ready to book a flight from Porto to Philadelphia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Philadelphia and let you know when they change.