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).

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

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

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

On the Portland to Porto route, being flexible with your departure day can save you up to 29%. Sunday is the cheapest day at $771 round-trip on average, while Monday is the most expensive at $1,081: a $310 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Porto?

Some of the most popular sights in Porto are Ribeira, Ribeira Square and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

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.

Have flight prices from Portland to Porto changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $635 to $2,031. That means the highest observed fare was about 3x higher than the lowest one.

What is the time difference between Portland and Porto?

Porto is 5 hours ahead of Portland (Western European Time vs Eastern 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

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

Delta ($635) and United Airlines ($706) are the cheapest airlines to fly round-trip from Portland to Porto according to KAYAK data over the last 5 days.

$635 CHEAP FLIGHTS from Portland to Porto (PWM - OPO)

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Cheapest round-trip

$635

Typical prices: $771-$1,081

Delta

Mon 10/29Mon 11/5

PWM - OPO • 2 stops

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Flight Deals

Cheap Flights from Portland to Porto (PWM-OPO)

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Portland to Porto

Thu, Oct 29 - Thu, Nov 5

11:55 am - 10:35 amPWM Portland-OPO Porto

18h 40m2 stops Minneapolis St Paul Paris Charles de Gaulle

10:15 am - 12:10 amOPO Porto-PWM Portland

18h 55m1 stop New York John F Kennedy Intl

$635Delta

Thu, Oct 29 - Thu, Nov 5

11:55 am - 10:35 amPWM Portland-OPO Porto

18h 40m2 stops Minneapolis St Paul Paris Charles de Gaulle

5:55 am - 12:10 amOPO Porto-PWM Portland

23h 15m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

$649Delta

Tue, Oct 27 - Tue, Nov 3

3:41 pm - 9:30 amPWM Portland-OPO Porto

13h 49m1 stop Newark

6:00 am - 7:02 pmOPO Porto-PWM Portland

18h 02m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$706United Airlines

Thu, Oct 29 - Thu, Nov 5

10:50 am - 9:30 amPWM Portland-OPO Porto

18h 40m1 stop Newark

12:35 pm - 11:21 pmOPO Porto-PWM Portland

15h 46m1 stop Newark

$716United Airlines

Mon, Oct 26 - Mon, Nov 2

5:50 am - 9:30 amPWM Portland-OPO Porto

23h 40m1 stop Newark

12:30 pm - 2:27 pmOPO Porto-PWM Portland

54h 57m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$727United Airlines

Mon, Oct 26 - Mon, Nov 2

2:05 pm - 9:30 amPWM Portland-OPO Porto

15h 25m2 stops Washington, D.C. Dulles Intl Newark

12:30 pm - 2:27 pmOPO Porto-PWM Portland

54h 57m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$731United Airlines

Mon, Oct 26 - Mon, Nov 2

3:41 pm - 9:30 amPWM Portland-OPO Porto

13h 49m1 stop Newark

12:35 pm - 11:21 pmOPO Porto-PWM Portland

15h 46m1 stop Newark

$901United Airlines

Mon, Dec 7 - Fri, Dec 11

3:20 pm - 9:30 amPWM Portland-OPO Porto

13h 10m1 stop Newark

6:00 am - 9:29 pmOPO Porto-PWM Portland

20h 29m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,080United Airlines

Mon, Dec 7 - Fri, Dec 11

3:15 pm - 9:30 amPWM Portland-OPO Porto

13h 15m1 stop Newark

6:00 am - 9:34 pmOPO Porto-PWM Portland

20h 34m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,080United Airlines

Thu, Sep 24 - Fri, Oct 2

11:50 am - 10:40 amPWM Portland-OPO Porto

17h 50m2 stops Minneapolis St Paul Amsterdam Schiphol

9:25 am - 11:28 pmOPO Porto-PWM Portland

19h 03m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$1,174KLM

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.

Prices

Airlines

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

Round-trip flights from Portland to Porto start at $635. Prices are below average for this route right now, with typical round-trip fares ranging from $771 to $1,081. The lowest price found in the past 5 days was $635 on Delta.

Find deals

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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).
What cabin classes can I book on flights from Portland to Porto?
Only Economy Class is available on flights from Portland to Porto.
Can I save money by using flexible dates for flights from Portland to Porto?
On the Portland to Porto route, being flexible with your departure day can save you up to 29%. Sunday is the cheapest day at $771 round-trip on average, while Monday is the most expensive at $1,081: a $310 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What popular places can I visit in Porto?
Some of the most popular sights in Porto are Ribeira, Ribeira Square and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.
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.
Have flight prices from Portland to Porto changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $635 to $2,031. That means the highest observed fare was about 3x higher than the lowest one.
What is the time difference between Portland and Porto?
Porto is 5 hours ahead of Portland (Western European Time vs Eastern 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

If your dates can be flexible, aim for a Sunday departure instead of Monday. On this route, Sunday flights average $771 - about $310 less than Monday (29% 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.
- Opo Hotel Porto Aeroporto

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PWM - OPO

$635 Find Cheap Flights from Portland to Porto - Compare and Save

Everything you should know

Cheap Flights from Portland to Porto (PWM-OPO)

Recent round-trip flight deals from Portland to Porto

Recent one-way flight deals from Portland to Porto

Recent last minute flight deals from Portland to Porto

Price, demand and travel trends for Portland to Porto flights

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

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

When to book flights from Portland to Porto

Your Portland to Porto flight questions, answered

Your guide to booking Portland to Porto flights

More options for your flight from Portland to Porto

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

Information on your arrival and departure airports

Cabin class types available on flights from Portland to Porto

Find direct flights to and from Portland and Porto

Flights from domestic origins to Porto

Flights to other popular destinations