PHL - OPO

$269 Find Cheap Flights from Philadelphia to Porto - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$622
Typical prices: $667-$1,104
British Airways
Fri 2/9Fri 2/16
PHL - OPO • 1 stop
Cheapest one-way
$269
Typical prices: $347-$502
Multiple Airlines
Fri 10/5
PHL - OPO • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Philadelphia and Porto. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
January
Cheapest • 40% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Frankfurt am Main (FRA)
Cheapest • Avg $721 (round-trip)
Lisbon Humberto Delgado (LIS)
Shortest trip • 10h 34m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Philadelphia to Porto (PHL-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Porto

Tue, Feb 9 - Tue, Feb 16
British Airways Logo
6:35 pm - 5:50 pmPHL  Philadelphia-OPO Porto
18h 15m1 stop London Heathrow
British Airways Logo
8:20 am - 11:43 pmOPO  Porto-PHL Philadelphia
20h 23m2 stops Madrid Barajas Miami
$622British Airways
Tue, Feb 9 - Tue, Feb 16
British Airways Logo
6:50 pm - 5:50 pmPHL  Philadelphia-OPO Porto
18h 00m2 stops Boston Logan Intl London Heathrow
British Airways Logo
8:20 am - 9:49 pmOPO  Porto-PHL Philadelphia
18h 29m2 stops Madrid Barajas Miami
$626British Airways
Sun, Nov 8 - Mon, Nov 16
Multiple Airlines Logo
10:38 am - 7:40 amPHL  Philadelphia-OPO Porto
16h 02m2 stops Charlotte Douglas Madrid Barajas
Multiple Airlines Logo
8:40 pm - 3:35 pmOPO  Porto-PHL Philadelphia
23h 55m1 stop Madrid Barajas
$626Multiple Airlines
Mon, Nov 2 - Wed, Nov 11
American Airlines Logo
4:25 pm - 11:45 amPHL  Philadelphia-OPO Porto
14h 20m2 stops Boston Logan Intl Madrid Barajas
American Airlines Logo
8:20 am - 8:05 pmOPO  Porto-PHL Philadelphia
16h 45m2 stops Madrid Barajas Chicago O'Hare Intl
$627American Airlines
Tue, Feb 9 - Tue, Feb 16
Iberia Logo
6:50 pm - 11:45 amPHL  Philadelphia-OPO Porto
11h 55m2 stops Boston Logan Intl Madrid Barajas
Iberia Logo
8:40 pm - 3:10 pmOPO  Porto-PHL Philadelphia
23h 30m2 stops Madrid Barajas Barcelona-El Prat
$627Iberia
Mon, Nov 2 - Wed, Nov 11
American Airlines Logo
4:25 pm - 11:45 amPHL  Philadelphia-OPO Porto
14h 20m2 stops Boston Logan Intl Madrid Barajas
American Airlines Logo
8:40 pm - 3:35 pmOPO  Porto-PHL Philadelphia
23h 55m1 stop Madrid Barajas
$630American Airlines
Sun, Nov 1 - Tue, Nov 10
Iberia Logo
7:45 pm - 8:00 pmPHL  Philadelphia-OPO Porto
19h 15m1 stop Madrid Barajas
Iberia Logo
8:40 pm - 3:35 pmOPO  Porto-PHL Philadelphia
23h 55m1 stop Madrid Barajas
$630Iberia
Sun, Nov 8 - Mon, Nov 16
American Airlines Logo
4:25 pm - 11:45 amPHL  Philadelphia-OPO Porto
14h 20m2 stops Boston Logan Intl Madrid Barajas
American Airlines Logo
8:40 pm - 3:35 pmOPO  Porto-PHL Philadelphia
23h 55m1 stop Madrid Barajas
$630American Airlines
Tue, Nov 3 - Thu, Nov 12
United Airlines Logo
1:20 pm - 9:30 amPHL  Philadelphia-OPO Porto
15h 10m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 4:05 pmOPO  Porto-PHL Philadelphia
15h 05m1 stop Frankfurt am Main
$639United Airlines
Mon, Nov 2 - Thu, Nov 12
United Airlines Logo
7:40 pm - 9:30 amPHL  Philadelphia-OPO Porto
32h 50m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
6:00 am - 4:05 pmOPO  Porto-PHL Philadelphia
15h 05m1 stop Frankfurt am Main
$656United Airlines
Booking Insights

Price, demand and travel trends for Philadelphia to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Philadelphia to Porto with more confidence.

How much is a round-trip flight from Philadelphia to Porto?

Round-trip flights from Philadelphia to Porto start at $622. Prices are below average for this route right now, with typical round-trip fares ranging from $667 to $1,104. The lowest price found in the past 5 days was $622 on British Airways.

What's the cheapest day of the week to fly from Philadelphia to Porto?

Wednesday is the cheapest day of the week to fly from Philadelphia to Porto, it is 34% cheaper than the average day. Saturday is the most expensive day with flight prices 8% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Philadelphia to Porto?

  • January is the cheapest month to fly from Philadelphia to Porto at $540 round-trip.
  • December ($1,910) and July ($1,161) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 253% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Philadelphia to Porto flights

Low season

December

Cheapest flight

$269
Best time to beat the crowds but there is an average 111% increase in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Philadelphia to Porto

When to book flights from Philadelphia to Porto

Are your dates flexible? Find out the best times to travel from Philadelphia to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Philadelphia to Porto flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Philadelphia to Porto flights?

    Among airlines operating Philadelphia to Porto flights:

    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airports can I use when flying from Philadelphia to Porto?

    Flights from Philadelphia to Porto usually depart from Philadelphia (PHL) and arrive at Porto (OPO).

  • Which airlines include bags at no extra cost on Philadelphia to Porto flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Philadelphia to Porto?

    Three cabin classes are available on flights from Philadelphia to Porto:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • What is the standard checked-bag allowance on flights from Philadelphia to Porto?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $100–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which airports do connecting flights from Philadelphia to Porto pass through?

    One-stop flights from Philadelphia to Porto most commonly connect through:

    • Madrid Barajas (MAD) - 61% of one-stop connections
    • Frankfurt am Main (FRA) - 25% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 11% of one-stop connections
    • Boston Logan Intl (BOS) - 2% of one-stop connections

    Madrid Barajas (MAD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Philadelphia to Porto?

    Yes. Being flexible with your travel dates can save you up to 39% on the Philadelphia to Porto route. Wednesday is the cheapest departure day at $605 round-trip on average, while Saturday is the most expensive at $980, a difference of $375. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira, Ribeira Square and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

  • How long is a flight from Philadelphia to Porto?

    A nonstop flight from Philadelphia to Porto takes 0h 00m, covering 3,403 miles.

  • Do I need a passport to fly from Philadelphia to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Philadelphia to Porto looking right now?

    One-way fares from Philadelphia to Porto are currently in line with typical prices for this route. Average one-way fares are about $376.

  • How much time can I save by choosing a different layover airport from Philadelphia to Porto?

    Flying via Lisbon Humberto Delgado (LIS) gives the shortest average 1-stop total travel time at 10h 34m, compared with 12h 02m via Madrid Barajas (MAD) and 12h 30m via Montreal Pierre Elliott Trudeau Intl (YUL).

  • What is the time difference between Philadelphia and Porto?

    Porto is 5 hours ahead of Philadelphia (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
    • Klass Wagen
    • Drive on Holiday
    • GREEN MOTION
    • Goldcar Rental SP
    • SURPRICE CAR RENTAL

  • How much should I expect to pay for a Philadelphia to Porto flight?

    Round-trip flights from Philadelphia to Porto range from $667 to $1,104, with an average of $906 over the past 12 months. Anything below $667 counts as a good deal.

  • Which airlines offer Wi-Fi on Philadelphia to Porto flights?

    American Airlines is the only airline on the Philadelphia to Porto route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking Philadelphia to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Saturday. On this route, Wednesday flights average $605 - about $375 less than Saturday (38% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Philadelphia to Porto trip for January. Fares historically average $540 round-trip in that month - typically $1,370 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.
    - Opo Hotel Porto Aeroporto

More options for your flight from Philadelphia to Porto

Complete your trip to Porto with a hotel stay or car rental

Car rentals in Porto
Hotels in Porto
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