PDX - OPO

$331 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
$729
Typical prices: $849-$1,205
Delta
Tue 2/27Fri 3/9
PDX - OPO • 2 stops
Cheapest one-way
$331
Typical prices: $474-$754
Multiple Airlines
Sat 12/1
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 travel
December
Cheapest • 40% 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 $1,014 (round-trip)
Amsterdam Schiphol (AMS)
Shortest trip • 14h 17m (one-way)
Insights
Insights
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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

Sat, Feb 27 - Tue, Mar 9
Delta Logo
7:05 am - 10:00 pmPDX  Portland-OPO Porto
30h 55m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
Delta Logo
11:15 am - 11:20 amOPO  Porto-PDX Portland
32h 05m1 stop Amsterdam Schiphol
$729Delta
Mon, Mar 1 - Fri, Mar 5
Delta Logo
7:05 am - 10:35 amPDX  Portland-OPO Porto
19h 30m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$729Delta
Mon, Mar 1 - Fri, Mar 5
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
$729Delta
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
6:00 am - 9:03 pmOPO  Porto-PDX Portland
23h 03m2 stops Frankfurt am Main Denver Intl
$738United Airlines
Sat, Feb 27 - Fri, Mar 5
United Airlines Logo
12:59 pm - 9:30 amPDX  Portland-OPO Porto
36h 31m2 stops Houston George Bush Intcntl Newark
United Airlines Logo
6:00 am - 8:33 pmOPO  Porto-PDX Portland
22h 33m2 stops Frankfurt am Main San Francisco
$738United Airlines
Sun, Feb 28 - Fri, Mar 5
United Airlines Logo
7:03 am - 9:30 amPDX  Portland-OPO Porto
18h 27m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 10:37 pmOPO  Porto-PDX Portland
24h 37m2 stops Frankfurt am Main San Francisco
$738United Airlines
Mon, Mar 1 - Mon, Mar 15
Lufthansa Logo
10:00 am - 3:30 pmPDX  Portland-OPO Porto
21h 30m2 stops Vancouver Intl Frankfurt am Main
Lufthansa Logo
1:45 pm - 8:45 pmOPO  Porto-PDX Portland
38h 00m2 stops Munich Franz Josef Strauss Vancouver Intl
$741Lufthansa
Mon, Mar 1 - Mon, Mar 15
Multiple Airlines Logo
11:30 pm - 9:30 amPDX  Portland-OPO Porto
26h 00m1 stop Newark
Multiple Airlines Logo
1:45 pm - 8:45 pmOPO  Porto-PDX Portland
38h 00m2 stops Munich Franz Josef Strauss Vancouver Intl
$750Multiple Airlines
Sun, Feb 21 - Sun, Feb 28
KLM Logo
1:20 pm - 3:25 pmPDX  Portland-OPO Porto
18h 05m1 stop Amsterdam Schiphol
KLM Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$779KLM
Sun, Feb 28 - Mon, Mar 8
KLM Logo
1:20 pm - 11:25 amPDX  Portland-OPO Porto
14h 05m1 stop Amsterdam Schiphol
KLM Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$779KLM
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 $849 to $1,205. The lowest price found in the past 5 days was $729, on Delta.

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 13% 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.
•May ($1,268) and October ($1,205) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 115% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Portland to Porto flights

Low season

February

Cheapest flight

$331
Beat the crowds with an average 71% drop in travelers.
The most popular month to fly with an average 67% 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?

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Portland to Porto?

    A nonstop flight from Portland to Porto takes about 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 $849 to $1,205, with an average of $979 over the past 12 months. Anything below $849 counts as a good deal.

  • 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 $379, which is 36% 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 averaging $23 for economy cars. Top options include:

    • GREEN MOTION
    • Drive on Holiday
    • Klass Wagen
    • Goldcar Rental SP
    • Sixt

  • 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) - 81% of one-stop connections
    • Newark (EWR) - 12% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 6% of one-stop connections
    • Philadelphia (PHL) - 1% 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 29% on flights from Portland to Porto. Monday is the cheapest departure day at $857 round-trip on average, while Friday is the most expensive at $1,205, a difference of $348.

    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 17m, compared with 16h 33m via Newark (EWR) and 16h 55m via New York John F Kennedy Intl (JFK).

  • 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 Mercado do Bolhão. 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 $857, about $348 less than Friday fares (29% savings) based on the 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 $679 less than the most expensive month, which is May (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.

    • Ap Aeroporto Porto

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