PWM - OPO

$776 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
$776
Typical prices: $1,432-$1,551
Delta
Tue 1/30Wed 2/7
PWM - OPO • 2 stops
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Booking Insights
Flight Deals

Cheap Flights from Portland to Porto (PWM-OPO)

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

Recent round-trip flight deals from Portland to Porto

Sat, Jan 30 - Sun, Feb 7
Delta Logo
3:12 pm - 10:35 amPWM  Portland-OPO Porto
38h 23m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 11:59 pmOPO  Porto-PWM Portland
23h 59m2 stops Amsterdam Schiphol New York John F Kennedy Intl
$776Delta
Sat, Jan 30 - Sat, Feb 6
Delta Logo
3:12 pm - 10:35 amPWM  Portland-OPO Porto
38h 23m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 11:26 pmOPO  Porto-PWM Portland
23h 26m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$776Delta
Sat, Jan 30 - Sun, Feb 7
United Airlines Logo
7:45 pm - 3:20 pmPWM  Portland-OPO Porto
38h 35m2 stops Newark Frankfurt am Main
United Airlines Logo
6:00 am - 9:03 pmOPO  Porto-PWM Portland
20h 03m2 stops Frankfurt am Main Newark
$789United Airlines
Sat, Jan 30 - Sat, Feb 6
United Airlines Logo
7:45 pm - 3:20 pmPWM  Portland-OPO Porto
38h 35m2 stops Newark Frankfurt am Main
United Airlines Logo
6:00 am - 9:03 pmOPO  Porto-PWM Portland
20h 03m2 stops Frankfurt am Main Newark
$790United Airlines
Thu, Dec 10 - Thu, Dec 17
Delta Logo
4:00 pm - 3:25 pmPWM  Portland-OPO Porto
18h 25m2 stops New York John F Kennedy Intl Amsterdam Schiphol
Delta Logo
10:15 am - 12:21 amOPO  Porto-PWM Portland
19h 06m1 stop New York John F Kennedy Intl
$806Delta
Thu, Dec 10 - Thu, Dec 17
United Airlines Logo
7:00 am - 9:30 amPWM  Portland-OPO Porto
21h 30m1 stop Newark
United Airlines Logo
12:35 pm - 11:59 pmOPO  Porto-PWM Portland
16h 24m2 stops Newark Washington, D.C. Dulles Intl
$809United Airlines
Thu, Dec 10 - Thu, Dec 17
United Airlines Logo
6:00 am - 9:30 amPWM  Portland-OPO Porto
22h 30m1 stop Newark
United Airlines Logo
12:35 pm - 3:46 pmOPO  Porto-PWM Portland
32h 11m1 stop Newark
$810United Airlines
Thu, Dec 10 - Thu, Dec 17
United Airlines Logo
7:00 am - 3:10 pmPWM  Portland-OPO Porto
27h 10m2 stops Newark Frankfurt am Main
United Airlines Logo
12:35 pm - 11:59 pmOPO  Porto-PWM Portland
16h 24m2 stops Newark Washington, D.C. Dulles Intl
$821United Airlines
Sat, Jan 30 - Sun, Feb 7
Lufthansa Logo
7:45 pm - 3:20 pmPWM  Portland-OPO Porto
38h 35m2 stops Newark Frankfurt am Main
Lufthansa Logo
6:00 am - 7:21 pmOPO  Porto-PWM Portland
18h 21m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$844Lufthansa
Sat, Jan 30 - Sat, Feb 6
Multiple Airlines Logo
7:10 am - 12:00 pmPWM  Portland-OPO Porto
23h 50m2 stops Newark Brussels Bruxelles-National
Multiple Airlines Logo
6:00 am - 9:03 pmOPO  Porto-PWM Portland
20h 03m2 stops Frankfurt am Main Newark
$878Multiple Airlines
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 $1,432 to $1,551. The lowest price found in the past 5 days was $776, on Delta.

Key details for Portland to Porto flights

Cheapest flight

$776
Round-trip 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?

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

  • 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.

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

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates averaging $24 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 (PWM) and arrive at Porto (OPO).

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

    Most connecting flights from Portland to Porto pass through Newark (EWR), which handles 100% of one-stop traffic on this route.

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

    Yes. Flexible dates can save you up to 8% on flights from Portland to Porto. Wednesday is the cheapest departure day at $1,432 round-trip on average, while Monday is the most expensive at $1,551, a difference of $119.

    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 is the time difference between Portland and Porto?

    Porto is 4 hours ahead of Portland (Western European Time vs Eastern 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 Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average $1,432, about $119 less than Monday fares (8% savings) 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