PDX - OPO

$325 Find Cheap Flights from Portland to Porto - Compare and Save

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Everything you should know

Cheapest round-trip
$737
Typical prices: $830-$1,202
Delta
Thu 11/22Tue 11/27
PDX - OPO • 2 stops
Cheapest one-way
$325
Typical prices: $489-$776
Multiple Airlines
Sun 10/21
PDX - OPO • 3 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)
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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

Sun, Nov 22 - Fri, Nov 27
Delta Logo
7:05 am - 9:55 pmPDX  Portland-OPO Porto
30h 50m2 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
$737Delta
Sun, Nov 22 - Fri, Nov 27
Delta Logo
7:05 am - 9:55 pmPDX  Portland-OPO Porto
30h 50m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 9:56 pmOPO  Porto-PDX Portland
24h 56m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$747Delta
Tue, Nov 24 - Wed, Dec 2
Multiple Airlines Logo
5:00 am - 7:40 amPDX  Portland-OPO Porto
18h 40m2 stops Dallas/Fort Worth Madrid Barajas
Multiple Airlines Logo
4:40 pm - 1:44 pmOPO  Porto-PDX Portland
29h 04m2 stops Madrid Barajas Dallas/Fort Worth
$754Multiple Airlines
Wed, Dec 2 - Fri, Dec 4
United Airlines Logo
5:15 am - 9:30 amPDX  Portland-OPO Porto
20h 15m2 stops Denver Intl Newark
United Airlines Logo
12:35 pm - 10:17 amOPO  Porto-PDX Portland
29h 42m2 stops Newark Chicago O'Hare Intl
$755United Airlines
Sun, Nov 22 - Fri, Nov 27
Delta Logo
7:05 am - 8:15 amPDX  Portland-OPO Porto
17h 10m1 stop New York John F Kennedy Intl
Delta Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$763Delta
Sat, Nov 21 - Fri, Nov 27
Air Canada Logo
7:10 pm - 3:20 pmPDX  Portland-OPO Porto
36h 10m2 stops Vancouver Intl Frankfurt am Main
Air Canada Logo
6:00 am - 8:46 pmOPO  Porto-PDX Portland
22h 46m2 stops Frankfurt am Main Vancouver Intl
$777Air Canada
Sun, Nov 8 - Wed, Nov 18
Iberia Logo
6:00 am - 11:45 amPDX  Portland-OPO Porto
21h 45m2 stops Dallas/Fort Worth Madrid Barajas
Iberia Logo
4:40 pm - 1:39 pmOPO  Porto-PDX Portland
28h 59m2 stops Madrid Barajas Dallas/Fort Worth
$790Iberia
Sun, Nov 22 - Mon, Nov 30
United Airlines Logo
11:30 pm - 9:30 amPDX  Portland-OPO Porto
26h 00m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:35 pm - 6:31 pmOPO  Porto-PDX Portland
37h 56m2 stops Frankfurt am Main San Francisco
$797United Airlines
Tue, Oct 13 - Wed, Oct 21
KLM Logo
1:05 pm - 6:20 pmPDX  Portland-OPO Porto
21h 15m1 stop Amsterdam Schiphol
KLM Logo
5:00 am - 11:10 amOPO  Porto-PDX Portland
14h 10m1 stop Amsterdam Schiphol
$827KLM
Mon, Sep 21 - Tue, Oct 13
KLM Logo
3:00 pm - 3:30 pmPDX  Portland-OPO Porto
16h 30m2 stops Minneapolis St Paul Amsterdam Schiphol
KLM Logo
5:00 am - 8:00 pmOPO  Porto-PDX Portland
23h 00m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$871KLM
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 $737. 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 $737 on Delta.

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

$325
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.

  • 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).

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

    Only Economy Class is available on flights from Portland to Porto.

  • 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.

  • What popular places can I visit in Porto?

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

  • How long is a flight from Portland to Porto?

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

  • What are the earliest and latest flights from Portland to Porto?

    These are the earliest and latest flight times available from Portland to Porto:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • 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.

  • 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 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 $438, which is 27% below the typical average for this route.

  • 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 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 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.

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

Everything you need to know for your flight from Portland to Porto

Information on your arrival and departure airports

Portland (PDX)
Porto (OPO)