What airlines fly to Philadelphia?

TAP AIR PORTUGAL, United Airlines and Delta are the top three most popular airlines that fly to Philadelphia from Porto according to our data. TAP AIR PORTUGAL is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 3 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

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

Iberia and TAP AIR PORTUGAL 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.

$392 Cheap Flights from Porto to Philadelphia in 2026

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.

5:55 pm - 9:31 amOPO Porto-PHL Philadelphia

20h 36m1 stop Boston Logan Intl

3:57 pm - 10:55 amPHL Philadelphia-OPO Porto

13h 58m1 stop Boston Logan Intl

$834TAP AIR PORTUGAL

Mon, Sep 14 - Mon, Sep 21

8:40 pm - 5:45 pmOPO Porto-PHL Philadelphia

26h 05m1 stop Madrid Barajas

4:20 pm - 7:40 amPHL Philadelphia-OPO Porto

10h 20m1 stop Madrid Barajas

$846Iberia

Sat, Sep 19 - Sat, Sep 26

4:40 pm - 3:50 pmOPO Porto-PHL Philadelphia

28h 10m1 stop Madrid Barajas

7:50 pm - 4:00 pmPHL Philadelphia-OPO Porto

15h 10m1 stop Madrid Barajas

$847Iberia

Tue, Dec 1 - Thu, Dec 10

8:40 pm - 5:45 pmOPO Porto-PHL Philadelphia

26h 05m1 stop Madrid Barajas

10:10 pm - 8:00 pmPHL Philadelphia-OPO Porto

16h 50m2 stops London Heathrow Madrid Barajas

$848Iberia

Mon, Sep 14 - Mon, Sep 21

5:55 pm - 9:31 amOPO Porto-PHL Philadelphia

20h 36m1 stop Boston Logan Intl

3:57 pm - 10:55 amPHL Philadelphia-OPO Porto

13h 58m1 stop Boston Logan Intl

$861TAP AIR PORTUGAL

Mon, Sep 14 - Mon, Sep 21

5:55 pm - 9:31 amOPO Porto-PHL Philadelphia

20h 36m1 stop Boston Logan Intl

3:57 pm - 10:55 amPHL Philadelphia-OPO Porto

13h 58m1 stop Boston Logan Intl

$862TAP AIR PORTUGAL

Mon, Sep 14 - Mon, Sep 21

8:15 pm - 2:47 pmOPO Porto-PHL Philadelphia

23h 32m3 stops Madrid Barajas Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

4:20 pm - 1:35 pmPHL Philadelphia-OPO Porto

16h 15m2 stops Toronto Pearson Intl Madrid Barajas

$881Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

5:55 pm - 9:31 amOPO Porto-PHL Philadelphia

20h 36m1 stop Boston Logan Intl

6:00 am - 7:00 pmPHL Philadelphia-OPO Porto

32h 00m2 stops Boston Logan Intl Lisbon Humberto Delgado

$883TAP AIR PORTUGAL

Mon, Sep 14 - Mon, Sep 21

5:55 pm - 9:31 amOPO Porto-PHL Philadelphia

20h 36m1 stop Boston Logan Intl

6:00 am - 7:00 pmPHL Philadelphia-OPO Porto

32h 00m2 stops Boston Logan Intl Lisbon Humberto Delgado

$884TAP AIR PORTUGAL

Mon, Sep 14 - Mon, Sep 21

8:40 pm - 3:10 pmOPO Porto-PHL Philadelphia

23h 30m2 stops Madrid Barajas Barcelona-El Prat

7:35 pm - 8:00 pmPHL Philadelphia-OPO Porto

19h 25m2 stops Barcelona-El Prat Madrid Barajas

$887Iberia

Tue, Dec 1 - Thu, Dec 10

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Iberia flights from Porto to Philadelphia

Our best Iberia deals on Porto to Philadelphia flight tickets

Iberia

Sep 19

OPO8:40 pmPorto

26h 05m

1 stop

PHL5:45 pmPhiladelphia

Sep 26

PHL4:20 pmPhiladelphia

10h 20m

1 stop

OPO7:40 amPorto

$846

Iberia

Dec 1

OPO4:40 pmPorto

28h 10m

1 stop

PHL3:50 pmPhiladelphia

Dec 10

PHL7:50 pmPhiladelphia

15h 10m

1 stop

OPO4:00 pmPorto

$847

Iberia

Sep 14

OPO8:40 pmPorto

26h 05m

1 stop

PHL5:45 pmPhiladelphia

Sep 21

PHL10:10 pmPhiladelphia

16h 50m

2 stops

OPO8:00 pmPorto

$848

SWISS flights from Porto to Philadelphia

Our best SWISS deals on Porto to Philadelphia flight tickets

SWISS

Sep 14

OPO7:20 pmPorto

27h 34m

2 stops

PHL5:54 pmPhiladelphia

Sep 21

PHL11:04 amPhiladelphia

19h 21m

2 stops

OPO11:25 amPorto

$914

SWISS

Oct 22

OPO7:20 pmPorto

27h 34m

2 stops

PHL5:54 pmPhiladelphia

Oct 26

PHL4:59 pmPhiladelphia

62h 16m

3 stops

OPO11:15 amPorto

$933

SWISS

Sep 19

OPO7:20 pmPorto

25h 45m

2 stops

PHL4:05 pmPhiladelphia

Sep 26

PHL11:20 amPhiladelphia

26h 10m

3 stops

OPO6:30 pmPorto

$1,102

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 9/14

5:55 pm-9:31 am

1 stop20h 36m

Philadelphia

Mon 9/21

3:57 pm-10:55 am

1 stop13h 58m

$834

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Sat 9/19

8:40 pm-5:45 pm

1 stop26h 05m

Philadelphia

Sat 9/26

4:20 pm-7:40 am

1 stop10h 20m

$846

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Tue 12/1

4:40 pm-3:50 pm

1 stop28h 10m

Philadelphia

Thu 12/10

7:50 pm-4:00 pm

1 stop15h 10m

$847

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 9/14

8:40 pm-5:45 pm

1 stop26h 05m

Philadelphia

Mon 9/21

10:10 pm-8:00 pm

2 stops16h 50m

$848

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 9/14

5:55 pm-9:31 am

1 stop20h 36m

Philadelphia

Mon 9/21

3:57 pm-10:55 am

1 stop13h 58m

$861

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 9/14

5:55 pm-9:31 am

1 stop20h 36m

Philadelphia

Mon 9/21

3:57 pm-10:55 am

1 stop13h 58m

$862

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 9/14

8:15 pm-2:47 pm

3 stops23h 32m

Philadelphia

Mon 9/21

4:20 pm-1:35 pm

2 stops16h 15m

$881

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 9/14

5:55 pm-9:31 am

1 stop20h 36m

Philadelphia

Mon 9/21

6:00 am-7:00 pm

2 stops32h 00m

$883

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 9/14

5:55 pm-9:31 am

1 stop20h 36m

Philadelphia

Mon 9/21

6:00 am-7:00 pm

2 stops32h 00m

$884

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Tue 12/1

8:40 pm-3:10 pm

2 stops23h 30m

Philadelphia

Thu 12/10

7:35 pm-8:00 pm

2 stops19h 25m

$887

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 31% 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	28h 10m
Direct flights	None

The fastest flight from Porto to Philadelphia takes 28h 10m

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

Search flight deals

Frequently asked questions about flying from Porto to Philadelphia

How far is Porto to Philadelphia by plane?
Porto and Philadelphia are 3401.6 mi apart from one another. Typically, this will take 28h 10m 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

Rehoboth Beach

Cape May

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Reading

Essington

Dover

Dewey Beach

North Wildwood

New Castle

Chester

Avalon

Vineland

Lewes

Stone Harbor

Pottstown

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.