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PDX - OPO

$333 Find Cheap Flights from Portland to Porto - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$719
Typical prices: $830-$1,202
KLM
Thu 1/18Mon 1/22
PDX - OPO • 1 stop
Cheapest one-way
$333
Typical prices: $489-$776
Iberia
Wed 1/31
PDX - OPO • 2 stops
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)
Insights
Insights
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Flight Deals
Booking Insights
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

Mon, Jan 18 - Fri, Jan 22
KLM Logo
1:20 pm - 10:30 amPDX  Portland-OPO Porto
13h 10m1 stop Amsterdam Schiphol
KLM Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$719KLM
Wed, Jan 6 - Fri, Jan 22
Delta Logo
1:38 pm - 10:00 pmPDX  Portland-OPO Porto
24h 22m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$719Delta
Mon, Jan 18 - Fri, Jan 22
Delta Logo
6:04 am - 10:35 amPDX  Portland-OPO Porto
20h 31m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$719Delta
Mon, Jan 18 - Fri, Jan 22
Multiple Airlines Logo
7:00 am - 10:35 amPDX  Portland-OPO Porto
19h 35m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
Multiple Airlines Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$719Multiple Airlines
Mon, Jan 11 - Fri, Jan 22
Delta Logo
1:20 pm - 10:30 amPDX  Portland-OPO Porto
13h 10m1 stop Amsterdam Schiphol
Delta Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$719Delta
Mon, Jan 18 - Fri, Jan 22
Multiple Airlines Logo
7:00 am - 10:35 amPDX  Portland-OPO Porto
19h 35m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
Multiple Airlines Logo
5:00 am - 4:27 pmOPO  Porto-PDX Portland
19h 27m2 stops Amsterdam Schiphol Salt Lake City
$729Multiple Airlines
Mon, Mar 1 - Fri, Mar 5
United Airlines Logo
5:15 am - 9:30 amPDX  Portland-OPO Porto
20h 15m2 stops Denver Intl Newark
United Airlines Logo
12:35 pm - 9:21 pmOPO  Porto-PDX Portland
16h 46m1 stop Newark
$737United Airlines
Mon, Mar 1 - Fri, Mar 5
United Airlines Logo
10:45 am - 9:30 amPDX  Portland-OPO Porto
14h 45m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:35 pm - 1:15 pmOPO  Porto-PDX Portland
32h 40m2 stops Newark Denver Intl
$737United Airlines
Sun, Nov 15 - Sun, Nov 22
KLM Logo
7:10 am - 8:15 amPDX  Portland-OPO Porto
17h 05m1 stop New York John F Kennedy Intl
KLM Logo
5:00 am - 11:40 amOPO  Porto-PDX Portland
14h 40m1 stop Amsterdam Schiphol
$788KLM
Wed, Nov 4 - Mon, Nov 16
KLM Logo
1:40 pm - 7:20 pmPDX  Portland-OPO Porto
21h 40m1 stop Amsterdam Schiphol
KLM Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$832KLM
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 with more confidence.

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

Round-trip flights from Portland to Porto typically range from $830 to $1,202. The lowest price found in the past 5 days was $719, on KLM.

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

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

What’s 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 flights 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

$333
Beat the crowds with an average 53% drop in travelers.
The most popular month to fly with an average 73% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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 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 two weeks of departure) run 38% above the $968 route average. 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 $404, which is 33% 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

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

    Yes. Flexible dates can save you up to 30% on flights from Portland to Porto. 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 are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average $840, about $360 less than Friday fares (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