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

Iberia and American Airlines are the most popular carriers 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.

$404 Cheap Flights from Porto to Philadelphia in 2025/26

1 adult

0 bags

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 Porto to Philadelphia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 4:05 pmOPO-PHL

15h 05m1 stop

5:40 pm - 11:40 amPHL-OPO

13h 00m1 stop

$751Lufthansa

Find Deal

jue., nov. 27 - mar., dic. 2

6:00 am - 2:10 pmOPO-PHL

37h 10m2 stops

3:05 pm - 9:30 amPHL-OPO

13h 25m2 stops

$756United Airlines

Find Deal

jue., feb. 19 - lun., feb. 23

6:00 am - 3:51 pmOPO-PHL

38h 51m2 stops

5:40 pm - 11:40 amPHL-OPO

13h 00m1 stop

$760Multiple Airlines

Find Deal

jue., nov. 27 - mar., dic. 2

6:00 am - 3:51 pmOPO-PHL

38h 51m2 stops

3:30 pm - 2:45 pmPHL-OPO

18h 15m2 stops

$761Multiple Airlines

Find Deal

jue., nov. 27 - mar., dic. 2

8:20 am - 7:35 pmOPO-PHL

16h 15m2 stops

8:30 pm - 7:40 amPHL-OPO

30h 10m1 stop

$803American Airlines

Find Deal

sáb., abr. 11 - jue., abr. 16

8:20 am - 5:15 pmOPO-PHL

13h 55m1 stop

8:30 pm - 7:40 amPHL-OPO

30h 10m1 stop

$815American Airlines

Find Deal

sáb., abr. 11 - jue., abr. 16

8:20 am - 5:15 pmOPO-PHL

13h 55m1 stop

7:40 pm - 8:20 pmPHL-OPO

19h 40m1 stop

$865British Airways

Find Deal

dom., abr. 12 - jue., abr. 16

8:20 am - 5:15 pmOPO-PHL

13h 55m1 stop

7:40 pm - 8:20 pmPHL-OPO

19h 40m1 stop

$916British Airways

Find Deal

dom., abr. 12 - jue., abr. 16

9:55 pm - 3:20 pmOPO-PHL

22h 25m1 stop

7:45 pm - 4:00 pmPHL-OPO

15h 15m2 stops

$951Iberia

Find Deal

jue., feb. 19 - lun., feb. 23

8:20 am - 3:35 pmOPO-PHL

12h 15m1 stop

8:00 pm - 4:00 pmPHL-OPO

15h 00m1 stop

$1,157Iberia

Find Deal

jue., feb. 19 - lun., feb. 23

Lufthansa flights from Porto to Philadelphia

Our best Lufthansa deals on Porto to Philadelphia flight tickets

Lufthansa

Nov 27

OPO6:00 amPorto

15h 05m

1 stop

PHL4:05 pmPhiladelphia

Dec 2

PHL5:40 pmPhiladelphia

13h 00m

1 stop

OPO11:40 amPorto

$751

Find similar

Lufthansa

Dec 18

OPO6:00 amPorto

15h 05m

1 stop

PHL4:05 pmPhiladelphia

Dec 25

PHL5:40 pmPhiladelphia

23h 45m

1 stop

OPO10:25 pmPorto

$988

Find similar

British Airways flights from Porto to Philadelphia

Our best British Airways deals on Porto to Philadelphia flight tickets

British Airways

Apr 12

OPO8:20 amPorto

13h 55m

1 stop

PHL5:15 pmPhiladelphia

Apr 16

PHL7:40 pmPhiladelphia

19h 40m

1 stop

OPO8:20 pmPorto

$865

Find similar

British Airways

Apr 12

OPO8:20 amPorto

13h 55m

1 stop

PHL5:15 pmPhiladelphia

Apr 16

PHL7:40 pmPhiladelphia

19h 40m

1 stop

OPO8:20 pmPorto

$916

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

jue. 11/27

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

mar. 12/2

5:40 pm-11:40 am

1 stop13h 00m

$751

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

jue. 2/19

6:00 am-2:10 pm

2 stops37h 10m

Philadelphia

lun. 2/23

3:05 pm-9:30 am

2 stops13h 25m

$756

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

jue. 11/27

6:00 am-3:51 pm

2 stops38h 51m

Philadelphia

mar. 12/2

5:40 pm-11:40 am

1 stop13h 00m

$760

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

jue. 11/27

6:00 am-3:51 pm

2 stops38h 51m

Philadelphia

mar. 12/2

3:30 pm-2:45 pm

2 stops18h 15m

$761

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

sáb. 4/11

8:20 am-7:35 pm

2 stops16h 15m

Philadelphia

jue. 4/16

8:30 pm-7:40 am

1 stop30h 10m

$803

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

sáb. 4/11

8:20 am-5:15 pm

1 stop13h 55m

Philadelphia

jue. 4/16

8:30 pm-7:40 am

1 stop30h 10m

$815

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

dom. 4/12

8:20 am-5:15 pm

1 stop13h 55m

Philadelphia

jue. 4/16

7:40 pm-8:20 pm

1 stop19h 40m

$865

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

dom. 4/12

8:20 am-5:15 pm

1 stop13h 55m

Philadelphia

jue. 4/16

7:40 pm-8:20 pm

1 stop19h 40m

$916

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

jue. 2/19

9:55 pm-3:20 pm

1 stop22h 25m

Philadelphia

lun. 2/23

7:45 pm-4:00 pm

2 stops15h 15m

$951

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

jue. 2/19

8:20 am-3:35 pm

1 stop12h 15m

Philadelphia

lun. 2/23

8:00 pm-4:00 pm

1 stop15h 00m

$1,157

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

Direct flights	None

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 12h 15m 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

Ocean City

Wildwood Crest

King of Prussia

Cherry Hill

Dewey Beach

Newark

Reading

North Wildwood

Dover

Avalon

Lewes

Stone Harbor

Essington

Vineland

Pottstown

New Castle

Somers Point

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.