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Cheap flights from Portland to Porto from $325

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.
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
Sun, Nov 22 - Fri, Nov 27
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
Wed, Dec 2 - Fri, Dec 4
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
Sun, Nov 22 - 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
Sat, Nov 21 - Fri, Nov 27
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 8 - Wed, Nov 18
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
Sun, Nov 22 - Mon, Nov 30
United Airlines Logo
12:45 pm - 7:00 amPDX  Portland-OPO Porto
34h 15m3 stops Denver Intl Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
11:20 am - 3:56 pmOPO  Porto-PDX Portland
36h 36m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$824United 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
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
$828KLM
Tue, Oct 13 - Wed, Oct 21

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Delta flights from Portland to Porto

Our best Delta deals on Portland to Porto flight tickets
Delta
Nov 22
PDX7:05 amPortland
30h 50m
2 stops
OPO9:55 pmPorto
Nov 27
OPO5:00 amPorto
14h 20m
1 stop
PDX11:20 amPortland
$737
Delta
Nov 22
PDX7:05 amPortland
30h 50m
2 stops
OPO9:55 pmPorto
Nov 27
OPO5:00 amPorto
24h 56m
2 stops
PDX9:56 pmPortland
$747
Delta
Nov 22
PDX7:05 amPortland
17h 10m
1 stop
OPO8:15 amPorto
Nov 27
OPO5:00 amPorto
14h 20m
1 stop
PDX11:20 amPortland
$763

United Airlines flights from Portland to Porto

Our best United Airlines deals on Portland to Porto flight tickets
United Airlines
Dec 2
PDX5:15 amPortland
20h 15m
2 stops
OPO9:30 amPorto
Dec 4
OPO12:35 pmPorto
29h 42m
2 stops
PDX10:17 amPortland
$755
United Airlines
Oct 13
PDX12:45 pmPortland
34h 15m
3 stops
OPO7:00 amPorto
Oct 21
OPO11:20 amPorto
36h 36m
2 stops
PDX3:56 pmPortland
$824
United Airlines
Oct 20
PDX12:45 pmPortland
34h 15m
3 stops
OPO7:00 amPorto
Oct 27
OPO12:35 pmPorto
28h 01m
2 stops
PDX9:36 amPortland
$848

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

Sun 11/22

7:05 am-9:55 pm

2 stops30h 50m

Porto

Fri 11/27

5:00 am-11:20 am

1 stop14h 20m

$737

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 11/22

7:05 am-9:55 pm

2 stops30h 50m

Porto

Fri 11/27

5:00 am-9:56 pm

2 stops24h 56m

$747

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Wed 12/2

5:15 am-9:30 am

2 stops20h 15m

Porto

Fri 12/4

12:35 pm-10:17 am

2 stops29h 42m

$755
Quickest round-trip

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 11/22

7:05 am-8:15 am

1 stop17h 10m

Porto

Fri 11/27

5:00 am-11:20 am

1 stop14h 20m

$763

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sat 11/21

7:10 pm-3:20 pm

2 stops36h 10m

Porto

Fri 11/27

6:00 am-8:46 pm

2 stops22h 46m

$777

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 11/8

6:00 am-11:45 am

2 stops21h 45m

Porto

Wed 11/18

4:40 pm-1:39 pm

2 stops28h 59m

$790

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 11/22

11:30 pm-9:30 am

2 stops26h 00m

Porto

Mon 11/30

12:35 pm-6:31 pm

2 stops37h 56m

$797

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 10/13

12:45 pm-7:00 am

3 stops34h 15m

Porto

Wed 10/21

11:20 am-3:56 pm

2 stops36h 36m

$824

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 10/13

1:05 pm-6:20 pm

1 stop21h 15m

Porto

Wed 10/21

5:00 am-11:10 am

1 stop14h 10m

$827

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Tue 10/13

1:05 pm-6:20 pm

1 stop21h 15m

Porto

Wed 10/21

5:00 am-11:10 am

1 stop14h 10m

$828

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 typical price of a round-trip flight between Portland and Porto?

Prices are currently low for flights on this route.

Typical prices usually range from $866 to $1,098.
The lowest price recently found on this route was $737.

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 November instead. Flights to Porto in November, while not as cheap as those in January, still average around $542.

Can stopping save me money on Portland to Porto flights?

You could potentially save up to 13% 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

$325

Fastest flight time

14h 30m

Direct flights

None
The best one-way flight to Porto from Portland in the past 72 hours is $325. The best round-trip flight deal from Portland to Porto found on momondo in the last 72 hours is $737.
The fastest flight from Portland to Porto takes 14h 30m
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 14h 30m, 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
8,516 reviews
Search Delta flights
KLMPriceFrom $498Free CancellationRating
7.8
1,562 reviews
Search KLM flights
United AirlinesPriceFrom $502Free CancellationRating
7.4
10,110 reviews
Search United Airlines flights

Traveling to a place near Porto?

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