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Cheap flights from Portland to Porto from $332

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:14 pm - 11:25 pmPDX  Portland-OPO Porto
22h 11m2 stops San Francisco Munich Franz Josef Strauss
Multiple Airlines Logo
8:40 am - 10:18 pmOPO  Porto-PDX Portland
21h 38m2 stops Zurich Chicago O'Hare Intl
$718Multiple Airlines
Tue, Apr 13 - Fri, Apr 23
KLM Logo
7:00 am - 10:30 amPDX  Portland-OPO Porto
19h 30m1 stop New York John F Kennedy Intl
KLM Logo
5:00 am - 10:50 amOPO  Porto-PDX Portland
13h 50m1 stop Amsterdam Schiphol
$725KLM
Tue, Apr 13 - Fri, Apr 23
Delta Logo
1:20 pm - 10:30 pmPDX  Portland-OPO Porto
25h 10m1 stop Amsterdam Schiphol
Delta Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$728Delta
Sun, Feb 21 - Fri, Feb 26
Delta Logo
1:20 pm - 10:30 pmPDX  Portland-OPO Porto
25h 10m1 stop Amsterdam Schiphol
Delta Logo
11:15 am - 11:20 amOPO  Porto-PDX Portland
32h 05m1 stop Amsterdam Schiphol
$728Delta
Sun, Feb 21 - Thu, Feb 25
Multiple Airlines Logo
10:15 am - 10:30 amPDX  Portland-OPO Porto
16h 15m2 stops Salt Lake City New York John F Kennedy Intl
Multiple Airlines Logo
5:00 am - 10:50 amOPO  Porto-PDX Portland
13h 50m1 stop Amsterdam Schiphol
$729Multiple Airlines
Tue, Apr 13 - Fri, Apr 23
Multiple Airlines Logo
10:15 am - 10:30 amPDX  Portland-OPO Porto
16h 15m2 stops Salt Lake City New York John F Kennedy Intl
Multiple Airlines Logo
5:00 am - 11:10 amOPO  Porto-PDX Portland
14h 10m1 stop Amsterdam Schiphol
$730Multiple Airlines
Tue, Apr 13 - Fri, Apr 23
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 - 10:16 pmOPO  Porto-PDX Portland
24h 16m2 stops Frankfurt am Main Newark
$733United Airlines
Sat, Feb 20 - Fri, Feb 26
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 - 10:16 pmOPO  Porto-PDX Portland
24h 16m2 stops Frankfurt am Main Newark
$733United Airlines
Sat, Feb 20 - Thu, Feb 25
KLM Logo
7:00 am - 10:30 amPDX  Portland-OPO Porto
19h 30m1 stop New York John F Kennedy Intl
KLM Logo
5:55 am - 3:08 pmOPO  Porto-PDX Portland
17h 13m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl
$742KLM
Tue, Apr 13 - Fri, Apr 23
KLM Logo
7:00 am - 10:30 amPDX  Portland-OPO Porto
19h 30m1 stop New York John F Kennedy Intl
KLM Logo
6:55 pm - 11:10 amOPO  Porto-PDX Portland
24h 15m1 stop Amsterdam Schiphol
$756KLM
Mon, Apr 26 - Mon, May 10

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Delta flights from Portland to Porto

Our best Delta deals on Portland to Porto flight tickets
Delta
Feb 21
PDX1:20 pmPortland
25h 10m
1 stop
OPO10:30 pmPorto
Feb 26
OPO5:00 amPorto
14h 20m
1 stop
PDX11:20 amPortland
$728
Delta
Feb 17
PDX7:00 amPortland
19h 35m
2 stops
OPO10:35 amPorto
Feb 25
OPO5:00 amPorto
22h 03m
2 stops
PDX7:03 pmPortland
$738
Delta
Feb 20
PDX1:33 pmPortland
37h 02m
2 stops
OPO10:35 amPorto
Mar 1
OPO11:15 amPorto
37h 12m
2 stops
PDX4:27 pmPortland
$744

United Airlines flights from Portland to Porto

Our best United Airlines deals on Portland to Porto flight tickets
United Airlines
Feb 20
PDX12:59 pmPortland
36h 31m
2 stops
OPO9:30 amPorto
Feb 26
OPO6:00 amPorto
24h 16m
2 stops
PDX10:16 pmPortland
$733
United Airlines
Feb 20
PDX11:20 pmPortland
26h 10m
1 stop
OPO9:30 amPorto
Feb 26
OPO6:00 amPorto
24h 59m
2 stops
PDX10:59 pmPortland
$734
United Airlines
Mar 1
PDX7:20 pmPortland
30h 10m
2 stops
OPO9:30 amPorto
Mar 5
OPO12:35 pmPorto
17h 46m
1 stop
PDX10:21 pmPortland
$747

momondo Fare Finder

 
Use the filters below to find and compare flights from Portland to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 4/13

5:14 pm-11:25 pm

2 stops22h 11m

Porto

Fri 4/23

8:40 am-10:18 pm

2 stops21h 38m

$718

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 4/13

7:00 am-10:30 am

1 stop19h 30m

Porto

Fri 4/23

5:00 am-10:50 am

1 stop13h 50m

$725

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 2/21

1:20 pm-10:30 pm

1 stop25h 10m

Porto

Fri 2/26

5:00 am-11:20 am

1 stop14h 20m

$728

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 2/21

1:20 pm-10:30 pm

1 stop25h 10m

Porto

Thu 2/25

11:15 am-11:20 am

1 stop32h 05m

$728
Quickest round-trip

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 4/13

10:15 am-10:30 am

2 stops16h 15m

Porto

Fri 4/23

5:00 am-10:50 am

1 stop13h 50m

$729

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 4/13

10:15 am-10:30 am

2 stops16h 15m

Porto

Fri 4/23

5:00 am-11:10 am

1 stop14h 10m

$730

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sat 2/20

12:59 pm-9:30 am

2 stops36h 31m

Porto

Fri 2/26

6:00 am-10:16 pm

2 stops24h 16m

$733

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sat 2/20

12:59 pm-9:30 am

2 stops36h 31m

Porto

Thu 2/25

6:00 am-10:16 pm

2 stops24h 16m

$733

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 4/13

7:00 am-10:30 am

1 stop19h 30m

Porto

Fri 4/23

5:55 am-3:08 pm

2 stops17h 13m

$742

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Mon 4/26

7:00 am-10:30 am

1 stop19h 30m

Porto

Mon 5/10

6:55 pm-11:10 am

1 stop24h 15m

$756

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Portland to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Portland, with most prices found around $484. If you aren’t able to travel during the month of January, then book flights to Porto from Portland during December instead. Flights to Porto in December, while not as cheap as those in January, still average around $502.

Can stopping save me money on Portland to Porto flights?

You could potentially save up to 15% on your flight if you consider stops on a Portland to Porto flight.

When to book flights from Portland to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Porto (PDX to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Porto

Best Price Found

$332

Fastest flight time

15h 00m

Direct flights

None
The best one-way flight to Porto from Portland in the past 72 hours is $332. The best round-trip flight deal from Portland to Porto found on momondo in the last 72 hours is $718.
The fastest flight from Portland to Porto takes 15h 00m
There are no direct flights from Portland to Porto. There are no popular flight routes from Portland to Porto.
Search flight deals

Frequently asked questions about flying from Portland to Porto

  • How far is Portland to Porto by plane?

    A flight from Portland to Porto will travel around 5195.4 mi. Flights usually cover this in 15h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Portland Airport to Porto Airport?

    Prices for flights from Portland Airport to Porto Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Porto Airport?

  • How old do you have to be to fly from Portland Airport to Porto Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Portland to Porto?

Best airlines flying from Portland to Porto

Compare and see reviews for airlines that fly from Portland to Porto with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $494Free CancellationRating
7.8
8,689 reviews
Search Delta flights
KLMPriceFrom $498Free CancellationRating
7.8
1,595 reviews
Search KLM flights
United AirlinesPriceFrom $502Free CancellationRating
7.3
10,449 reviews
Search United Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Braga
Coimbra
Vila Nova de Gaia
Aveiro
Pinhao
Matosinhos
Esposende
Chaves
Viseu
Espinho
Arcos de Valdevez
Guimarães
Lamego
Caminha
Penafiel
Ponte de Lima
Mira

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Porto?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Porto. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Porto with flexible booking policies on momondo?

momondo does allow users to show only those flights to Porto from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Porto?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Porto.

I’m not ready to book a flight from Portland to Porto right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Porto from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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