PDX - OPO

$462 Find Cheap Flights from Portland 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
$598
Typical prices: $830-$1,202
British Airways
Sun 11/11Fri 11/16
PDX - OPO • 2 stops
Cheapest one-way
$463
Typical prices: $489-$776
United Airlines
Sun 10/21
PDX - OPO • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Portland and Porto. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
8 weeks
in advance
Our data shows that travelers who book at least 8 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
When to travel
December
Cheapest • 39% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
New York John F Kennedy Intl (JFK)
Cheapest • Avg $972 (round-trip)
Amsterdam Schiphol (AMS)
Shortest trip • 14h 13m (one-way)
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Insights
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Flight Deals

Cheap Flights from Portland to Porto (PDX-OPO)

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

Recent round-trip flight deals from Portland to Porto

Sun, Oct 18 - Tue, Nov 3
American Airlines Logo
6:01 am - 11:45 amPDX  Portland-OPO Porto
21h 44m2 stops Chicago O'Hare Intl Madrid Barajas
American Airlines Logo
8:20 am - 11:59 pmOPO  Porto-PDX Portland
23h 39m2 stops Madrid Barajas Miami
$597American Airlines
Wed, Nov 11 - Mon, Nov 16
British Airways Logo
6:00 am - 4:50 pmPDX  Portland-OPO Porto
26h 50m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
8:40 pm - 7:32 pmOPO  Porto-PDX Portland
30h 52m2 stops Madrid Barajas Dallas/Fort Worth
$598British Airways
Sun, Oct 18 - Tue, Nov 3
Delta Logo
11:00 pm - 10:30 amPDX  Portland-OPO Porto
27h 30m2 stops Atlanta Hartsfield-Jackson New York LaGuardia
Delta Logo
11:15 am - 11:40 amOPO  Porto-PDX Portland
32h 25m1 stop Amsterdam Schiphol
$599Delta
Sun, Oct 18 - Tue, Nov 3
Delta Logo
7:00 am - 10:25 amPDX  Portland-OPO Porto
19h 25m1 stop New York John F Kennedy Intl
Delta Logo
11:15 am - 11:40 amOPO  Porto-PDX Portland
32h 25m1 stop Amsterdam Schiphol
$599Delta
Wed, Nov 11 - Mon, Nov 16
British Airways Logo
5:45 pm - 4:50 pmPDX  Portland-OPO Porto
15h 05m1 stop London Heathrow
British Airways Logo
8:40 pm - 5:48 pmOPO  Porto-PDX Portland
29h 08m2 stops Madrid Barajas Dallas/Fort Worth
$599British Airways
Wed, Nov 4 - Wed, Nov 11
Delta Logo
7:00 am - 8:15 amPDX  Portland-OPO Porto
17h 15m1 stop New York John F Kennedy Intl
Delta Logo
5:00 am - 11:40 amOPO  Porto-PDX Portland
14h 40m1 stop Amsterdam Schiphol
$604Delta
Wed, Nov 4 - Wed, Nov 11
KLM Logo
7:00 am - 8:15 amPDX  Portland-OPO Porto
17h 15m1 stop New York John F Kennedy Intl
KLM Logo
5:00 am - 5:10 pmOPO  Porto-PDX Portland
20h 10m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$614KLM
Tue, Mar 9 - Tue, Mar 16
United Airlines Logo
10:56 pm - 9:30 amPDX  Portland-OPO Porto
26h 34m1 stop Newark
United Airlines Logo
12:35 pm - 10:12 amOPO  Porto-PDX Portland
28h 37m2 stops Newark Chicago O'Hare Intl
$617United Airlines
Tue, Mar 9 - Tue, Mar 16
United Airlines Logo
5:15 am - 9:30 amPDX  Portland-OPO Porto
20h 15m2 stops Denver Intl Newark
United Airlines Logo
6:00 am - 5:38 pmOPO  Porto-PDX Portland
18h 38m2 stops Frankfurt am Main Denver Intl
$626United Airlines
Fri, Oct 23 - Mon, Nov 2
KLM Logo
7:00 am - 10:30 amPDX  Portland-OPO Porto
19h 30m1 stop New York John F Kennedy Intl
KLM Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$704KLM
Booking Insights

Price, demand and travel trends for Portland to Porto flights

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

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

Round-trip flights from Portland to Porto start at $598. Prices are below average for this route right now, with typical round-trip fares ranging from $830 to $1,202. The lowest price found in the past 5 days was $598 on British Airways.

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

Monday is the cheapest day of the week to fly from Portland to Porto, it is 14% cheaper than the average day. Friday is the most expensive day with flight prices 23% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•December is the cheapest month to fly from Portland to Porto at $589 round-trip.
•October ($1,205) and July ($1,199) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 104% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Portland to Porto the cheapest?

Flights from Portland to Porto are cheapest 8 weeks before departure. Booking in this window typically costs about 48% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Portland to Porto flights

Low season

February

Cheapest flight

$463
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 2% increase in price.
Flight from Portland to Porto

When to book flights from Portland to Porto

Are your dates flexible? Find out the best times to travel from Portland 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 Portland to Porto flight questions, answered

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

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Portland to Porto?

    A nonstop flight from Portland to Porto takes 0h 00m, covering 5,183 miles.

  • Do I need a passport to fly from Portland 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 much should I expect to pay for a Portland to Porto flight?

    Round-trip flights from Portland to Porto range from $830 to $1,202, with an average of $968 over the past 12 months. Anything below $830 counts as a good deal.

  • How expensive are last-minute Portland to Porto flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 38% above the route average of $968. Book 8 weeks before departure for the lowest fares.

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

    One-way fares from Portland to Porto are currently lower than usual. Average one-way flight prices are about $515, which is 14% below the typical average for this route.

  • 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

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

    Flights from Portland to Porto usually depart from Portland (PDX) and arrive at Porto (OPO).

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

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

    • Amsterdam Schiphol (AMS) - 78% of one-stop connections
    • Newark (EWR) - 16% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 6% of one-stop connections

    Amsterdam Schiphol (AMS) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 30% on the Portland to Porto route. Monday is the cheapest departure day at $840 round-trip on average, while Friday is the most expensive at $1,200, a difference of $360. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 14h 13m, compared with 16h 17m via New York John F Kennedy Intl (JFK) and 16h 29m via Newark (EWR).

  • What is the time difference between Portland and Porto?

    Porto is 8 hours ahead of Portland (Western European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Boavista Square. These are among the most viewed places in Porto on KAYAK.

Your guide to booking Portland 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 Monday departure instead of Friday. On this route, Monday flights average $840 - about $360 less than Friday (30% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 8 weeks before you fly. On this route, that window historically saves about 48% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Portland to Porto trip for December. Fares historically average $589 round-trip in that month - typically $616 less than the most expensive month, which is October (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 Portland to Porto

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

Car rentals in Porto
Hotels in Porto
Vacations in Porto