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Cheap flights from Oregon to Porto from $332

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Porto departing on 5/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Oregon to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:00 pm - 11:25 pm
EUG
-
OPO
25h 25m
2 stops
Lufthansa Logo
6:20 am - 9:07 pm
OPO
-
EUG
22h 47m
2 stops
$723Lufthansa
Mon, Apr 20 - Tue, Apr 28
British Airways Logo
7:30 pm - 8:35 pm
PDX
-
OPO
17h 05m
1 stop
British Airways Logo
8:20 am - 10:56 pm
OPO
-
PDX
22h 36m
2 stops
$757British Airways
Sun, Apr 19 - Tue, May 5
British Airways Logo
1:52 pm - 8:35 pm
PDX
-
OPO
22h 43m
2 stops
British Airways Logo
8:20 am - 10:56 pm
OPO
-
PDX
22h 36m
2 stops
$760British Airways
Sun, Apr 19 - Tue, May 5
Iberia Logo
1:52 pm - 4:00 pm
PDX
-
OPO
18h 08m
2 stops
Iberia Logo
8:40 pm - 9:38 pm
OPO
-
PDX
56h 58m
2 stops
$781Iberia
Mon, Apr 20 - Mon, Apr 27
American Airlines Logo
1:09 pm - 4:00 pm
PDX
-
OPO
18h 51m
2 stops
American Airlines Logo
8:20 am - 10:47 pm
OPO
-
PDX
22h 27m
2 stops
$786American Airlines
Mon, Apr 27 - Wed, May 13
British Airways Logo
7:30 pm - 8:35 pm
PDX
-
OPO
17h 05m
1 stop
British Airways Logo
8:55 pm - 5:40 pm
OPO
-
PDX
28h 45m
1 stop
$800British Airways
Sun, Apr 19 - Tue, May 5
Multiple Airlines Logo
7:30 pm - 8:05 pm
PDX
-
OPO
16h 35m
1 stop
Multiple Airlines Logo
8:40 pm - 9:38 pm
OPO
-
PDX
32h 58m
2 stops
$801Multiple Airlines
Mon, Apr 27 - Wed, May 13
Multiple Airlines Logo
7:00 am - 11:45 am
PDX
-
OPO
20h 45m
2 stops
Multiple Airlines Logo
8:40 pm - 10:47 pm
OPO
-
PDX
34h 07m
2 stops
$838Multiple Airlines
Tue, Apr 28 - Sat, May 9
Delta Logo
5:10 am - 3:25 pm
EUG
-
OPO
26h 15m
2 stops
Delta Logo
5:00 am - 5:01 pm
OPO
-
EUG
20h 01m
2 stops
$1,020Delta
Sun, May 10 - Thu, May 28
Delta Logo
6:15 am - 8:30 am
EUG
-
OPO
42h 15m
2 stops
Delta Logo
11:25 am - 4:59 pm
OPO
-
EUG
37h 34m
2 stops
$1,021Delta
Wed, May 13 - Mon, Jun 1

United Airlines flights from Oregon to Porto

Our best United Airlines deals on Oregon to Porto flight tickets
United Airlines
Aug 4
PDX5:00 amPortland
18h 00m
2 stops
OPO7:00 amPorto
Aug 20
OPO11:50 amPorto
40h 30m
2 stops
PDX8:20 pmPortland
$854
United Airlines
Aug 5
PDX5:15 amPortland
20h 30m
3 stops
OPO9:45 amPorto
Aug 21
OPO9:00 amPorto
21h 52m
2 stops
PDX10:52 pmPortland
$931
United Airlines
Aug 12
PDX5:10 amPortland
17h 50m
2 stops
OPO7:00 amPorto
Aug 23
OPO12:15 pmPorto
20h 32m
2 stops
PDX12:47 amPortland
$937

Air Canada flights from Oregon to Porto

Our best Air Canada deals on Oregon to Porto flight tickets
Air Canada
Aug 1
PDX7:45 pmPortland
51h 15m
2 stops
OPO7:00 amPorto
Aug 30
OPO12:15 pmPorto
42h 45m
2 stops
PDX11:00 pmPortland
$909
Air Canada
Apr 14
PDX9:50 amPortland
21h 55m
2 stops
OPO3:45 pmPorto
Apr 23
OPO6:20 amPorto
34h 50m
2 stops
PDX9:10 amPortland
$910
Air Canada
Jul 21
PDX3:30 pmPortland
31h 30m
2 stops
OPO7:00 amPorto
Jul 28
OPO12:15 pmPorto
35h 37m
2 stops
PDX3:52 pmPortland
$940

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 26, 2026.
Use the filters below to find and compare flights from Oregon to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugenePorto

EUG - OPO

EUGOPO

Eugene

Mon 4/20

2:00 pm-11:25 pm

2 stops25h 25m

Porto

Tue 4/28

6:20 am-9:07 pm

2 stops22h 47m

$723
Quickest round-trip

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sun 4/19

7:30 pm-8:35 pm

1 stop17h 05m

Porto

Tue 5/5

8:20 am-10:56 pm

2 stops22h 36m

$757

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sun 4/19

1:52 pm-8:35 pm

2 stops22h 43m

Porto

Tue 5/5

8:20 am-10:56 pm

2 stops22h 36m

$760

PortlandPorto

PDX - OPO

PDXOPO

Portland

Mon 4/20

1:52 pm-4:00 pm

2 stops18h 08m

Porto

Mon 4/27

8:40 pm-9:38 pm

2 stops56h 58m

$781

PortlandPorto

PDX - OPO

PDXOPO

Portland

Mon 4/27

1:09 pm-4:00 pm

2 stops18h 51m

Porto

Wed 5/13

8:20 am-10:47 pm

2 stops22h 27m

$786

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sun 4/19

7:30 pm-8:35 pm

1 stop17h 05m

Porto

Tue 5/5

8:55 pm-5:40 pm

1 stop28h 45m

$800

PortlandPorto

PDX - OPO

PDXOPO

Portland

Mon 4/27

7:30 pm-8:05 pm

1 stop16h 35m

Porto

Wed 5/13

8:40 pm-9:38 pm

2 stops32h 58m

$801

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 4/28

7:00 am-11:45 am

2 stops20h 45m

Porto

Sat 5/9

8:40 pm-10:47 pm

2 stops34h 07m

$838

EugenePorto

EUG - OPO

EUGOPO

Eugene

Sun 5/10

5:10 am-3:25 pm

2 stops26h 15m

Porto

Thu 5/28

5:00 am-5:01 pm

2 stops20h 01m

$1,020

EugenePorto

EUG - OPO

EUGOPO

Eugene

Wed 5/13

6:15 am-8:30 am

2 stops42h 15m

Porto

Mon 6/1

11:25 am-4:59 pm

2 stops37h 34m

$1,021

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 Oregon 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 Oregon, with most prices found around $484. If you aren’t able to travel during the month of January, then book flights to Porto from Oregon during December instead. Flights to Porto in December, while not as cheap as those in January, still average around $589.

How far in advance should I book a flight to Porto?

You are more likely to see cheaper flights to Porto from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $917 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Oregon for as low as $740 on momondo.

Can stopping save me money on Oregon to Porto flights?

You could potentially save up to 49% on your flight if you consider stops on a Oregon to Porto flight.

Cheap Oregon to Porto flight deals and tips

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

Fastest flight time

18h 00m

Direct flights

None
The fastest flight from Oregon to Porto takes 18h 00m
There are no direct flights from Oregon to Porto. There are no popular flight routes from Oregon to Porto.
Search flight deals

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Porto Airport.

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

    The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oregon to Porto

Compare and see reviews for airlines that fly from Oregon to Porto with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $494Free CancellationRating
7.9
8,336 reviews
Search Delta flights
KLMPriceFrom $498Free CancellationRating
7.8
1,478 reviews
Search KLM flights
United AirlinesPriceFrom $502Free CancellationRating
7.4
9,488 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
Aveiro
Braga
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Oregon to Porto flights to just show those with flexible booking policies.

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

Once you have performed a search for Oregon to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Porto from Oregon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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