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Cheap flights from Portland to Porto from $306

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
10:00 am - 11:45 amPDX  Portland-OPO Porto
18h 45m2 stops Vancouver Intl Frankfurt am Main
Multiple Airlines Logo
6:00 am - 8:45 pmOPO  Porto-PDX Portland
22h 45m2 stops Frankfurt am Main Vancouver Intl
$706Multiple Airlines
Tue, Mar 23 - Fri, Apr 2
SWISS Logo
1:31 pm - 6:30 pmPDX  Portland-OPO Porto
20h 59m2 stops San Francisco Zurich
SWISS Logo
7:20 pm - 8:33 pmOPO  Porto-PDX Portland
33h 13m2 stops Zurich San Francisco
$717SWISS
Tue, Mar 2 - Tue, Mar 9
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 - 8:33 pmOPO  Porto-PDX Portland
19h 53m2 stops Zurich San Francisco
$718Multiple Airlines
Tue, Apr 13 - Fri, Apr 23
KLM Logo
12:45 pm - 10:55 amPDX  Portland-OPO Porto
14h 10m1 stop Amsterdam Schiphol
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
7:00 am - 9:55 pmPDX  Portland-OPO Porto
31h 55m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
Delta Logo
11:15 am - 12:20 pmOPO  Porto-PDX Portland
32h 05m1 stop Amsterdam Schiphol
$728Delta
Sun, Mar 14 - Tue, Mar 23
Delta Logo
7:00 am - 9:55 pmPDX  Portland-OPO Porto
31h 55m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 12:20 pmOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$728Delta
Sun, Mar 14 - Wed, Mar 24
KLM Logo
2:20 pm - 11:25 amPDX  Portland-OPO Porto
14h 05m1 stop Amsterdam Schiphol
KLM Logo
5:00 am - 12:20 pmOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$728KLM
Sun, Mar 14 - Wed, Mar 24
KLM Logo
1:38 pm - 3:30 pmPDX  Portland-OPO Porto
17h 52m2 stops Seattle/Tacoma Intl Amsterdam Schiphol
KLM Logo
5:00 am - 10:50 amOPO  Porto-PDX Portland
13h 50m1 stop Amsterdam Schiphol
$729KLM
Tue, Apr 13 - Fri, Apr 23
United Airlines Logo
6:30 am - 9:30 amPDX  Portland-OPO Porto
20h 00m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 10:21 pmOPO  Porto-PDX Portland
23h 21m2 stops Frankfurt am Main Newark
$737United Airlines
Mon, Mar 15 - Tue, Mar 23
United Airlines Logo
11:47 pm - 9:30 amPDX  Portland-OPO Porto
25h 43m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:35 pm - 10:13 amOPO  Porto-PDX Portland
28h 38m2 stops Frankfurt am Main San Francisco
$737United Airlines
Sat, Mar 13 - Tue, Mar 23

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Delta flights from Portland to Porto

Our best Delta deals on Portland to Porto flight tickets
Delta
Mar 15
PDX2:20 pmPortland
18h 05m
1 stop
OPO3:25 pmPorto
Mar 24
OPO5:00 amPorto
14h 20m
1 stop
PDX12:20 pmPortland
$728
Delta
Feb 28
PDX1:20 pmPortland
18h 05m
1 stop
OPO3:25 pmPorto
Mar 5
OPO5:00 amPorto
14h 20m
1 stop
PDX11:20 amPortland
$729
Delta
Feb 10
PDX7:00 amPortland
19h 30m
2 stops
OPO10:30 amPorto
Feb 19
OPO5:00 amPorto
14h 20m
1 stop
PDX11:20 amPortland
$733

United Airlines flights from Portland to Porto

Our best United Airlines deals on Portland to Porto flight tickets
United Airlines
Mar 13
PDX11:47 pmPortland
25h 43m
2 stops
OPO9:30 amPorto
Mar 24
OPO6:00 amPorto
23h 37m
2 stops
PDX10:37 pmPortland
$737
United Airlines
Feb 27
PDX12:59 pmPortland
36h 31m
2 stops
OPO9:30 amPorto
Mar 5
OPO6:00 amPorto
22h 33m
2 stops
PDX8:33 pmPortland
$738
United Airlines
Mar 2
PDX5:15 amPortland
20h 15m
2 stops
OPO9:30 amPorto
Mar 9
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

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Route

Depart

Return

Price

Cheapest round-trip

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 3/23

10:00 am-11:45 am

2 stops18h 45m

Porto

Fri 4/2

6:00 am-8:45 pm

2 stops22h 45m

$706

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 3/2

1:31 pm-6:30 pm

2 stops20h 59m

Porto

Tue 3/9

7:20 pm-8:33 pm

2 stops33h 13m

$717

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-8:33 pm

2 stops19h 53m

$718
Quickest round-trip

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 4/13

12:45 pm-10:55 am

1 stop14h 10m

Porto

Fri 4/23

5:00 am-10:50 am

1 stop13h 50m

$725

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 3/14

7:00 am-9:55 pm

2 stops31h 55m

Porto

Tue 3/23

11:15 am-12:20 pm

1 stop32h 05m

$728

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 3/14

7:00 am-9:55 pm

2 stops31h 55m

Porto

Wed 3/24

5:00 am-12:20 pm

1 stop14h 20m

$728

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 3/14

2:20 pm-11:25 am

1 stop14h 05m

Porto

Wed 3/24

5:00 am-12:20 pm

1 stop14h 20m

$728

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 4/13

1:38 pm-3:30 pm

2 stops17h 52m

Porto

Fri 4/23

5:00 am-10:50 am

1 stop13h 50m

$729

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Mon 3/15

6:30 am-9:30 am

2 stops20h 00m

Porto

Tue 3/23

6:00 am-10:21 pm

2 stops23h 21m

$737

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sat 3/13

11:47 pm-9:30 am

2 stops25h 43m

Porto

Tue 3/23

12:35 pm-10:13 am

2 stops28h 38m

$737

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 $589.

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

$306

Fastest flight time

19h 25m

Direct flights

None
The best one-way flight to Porto from Portland in the past 72 hours is $306. The best round-trip flight deal from Portland to Porto found on momondo in the last 72 hours is $706.
The fastest flight from Portland to Porto takes 19h 25m
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 19h 25m, 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
8,699 reviews
Search Delta flights
KLMPriceFrom $498Free CancellationRating
7.8
1,595 reviews
Search KLM flights
United AirlinesPriceFrom $502Free CancellationRating
7.3
10,471 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
Esposende
Matosinhos
Chaves
Viseu
Espinho
Arcos de Valdevez
Lamego
Guimarães
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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