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Cheap flights from Oregon to Portugal from $298

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 Portugal departing on 2/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Oregon to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:50 am - 3:40 pm
PDX
-
LIS
21h 50m2 stops
Multiple Airlines Logo
6:10 am - 6:30 pm
LIS
-
PDX
20h 20m2 stops
$473Multiple Airlines
Fri, Feb 6 - Fri, Feb 13
Lufthansa Logo
9:50 am - 9:20 am
PDX
-
LIS
39h 30m2 stops
Lufthansa Logo
5:00 am - 7:14 pm
LIS
-
PDX
21h 14m2 stops
$478Lufthansa
Mon, Mar 2 - Wed, Mar 11
British Airways Logo
7:30 pm - 10:05 am
PDX
-
LIS
30h 35m1 stop
British Airways Logo
4:25 pm - 5:40 pm
LIS
-
PDX
33h 15m1 stop
$484British Airways
Wed, Apr 8 - Wed, Apr 22
KLM Logo
1:25 pm - 3:25 pm
PDX
-
OPO
18h 00m1 stop
KLM Logo
5:00 am - 11:25 am
OPO
-
PDX
14h 25m1 stop
$484KLM
Sun, Feb 15 - Sun, Mar 8
Air Canada Logo
7:00 pm - 9:20 am
PDX
-
LIS
30h 20m2 stops
Air Canada Logo
11:20 am - 3:27 pm
LIS
-
PDX
36h 07m2 stops
$485Air Canada
Wed, Jan 28 - Tue, Feb 24
Delta Logo
7:00 am - 8:00 am
PDX
-
LIS
17h 00m1 stop
Delta Logo
11:25 am - 11:25 am
LIS
-
PDX
32h 00m1 stop
$487Delta
Sat, Feb 7 - Thu, Feb 19
KLM Logo
7:00 am - 10:30 am
PDX
-
OPO
19h 30m2 stops
KLM Logo
4:10 pm - 11:25 am
OPO
-
PDX
27h 15m1 stop
$489KLM
Sun, Feb 15 - Sat, Mar 7
Air Canada Logo
9:50 am - 7:55 am
PDX
-
LIS
38h 05m2 stops
Air Canada Logo
10:55 am - 10:56 pm
LIS
-
PDX
44h 01m2 stops
$489Air Canada
Wed, Feb 4 - Fri, Feb 20
Delta Logo
11:10 am - 3:10 pm
PDX
-
LIS
20h 00m2 stops
Delta Logo
5:00 am - 11:25 am
LIS
-
PDX
14h 25m1 stop
$491Delta
Wed, Feb 4 - Wed, Feb 25
British Airways Logo
5:45 pm - 5:35 pm
PDX
-
OPO
15h 50m1 stop
British Airways Logo
6:25 pm - 4:55 pm
OPO
-
PDX
29h 30m1 stop
$531British Airways
Mon, Feb 16 - Tue, Mar 10

Lufthansa flights from Oregon to Portugal

Our best Lufthansa deals on Oregon to Portugal flight tickets
Lufthansa
Mar 2
PDX9:50 amPortland
39h 30m
2 stops
LIS9:20 amLisbon Humberto Delgado
Mar 11
LIS5:00 amLisbon Humberto Delgado
21h 14m
2 stops
PDX7:14 pmPortland
$478
Find similar
Lufthansa
Mar 5
EUG1:17 pmEugene
25h 08m
2 stops
OPO10:25 pmPorto
Mar 13
OPO6:00 amPorto
24h 08m
2 stops
EUG11:08 pmEugene
$491
Find similar
Lufthansa
Feb 15
PDX3:50 pmPortland
22h 35m
2 stops
OPO10:25 pmPorto
Mar 6
OPO6:30 amPorto
20h 00m
2 stops
PDX6:30 pmPortland
$498
Find similar

British Airways flights from Oregon to Portugal

Our best British Airways deals on Oregon to Portugal flight tickets
British Airways
Apr 8
PDX7:30 pmPortland
30h 35m
1 stop
LIS10:05 amLisbon Humberto Delgado
Apr 22
LIS4:25 pmLisbon Humberto Delgado
33h 15m
1 stop
PDX5:40 pmPortland
$484
Find similar
British Airways
Apr 13
PDX2:15 pmPortland
19h 40m
2 stops
LIS5:55 pmLisbon Humberto Delgado
Apr 27
LIS6:45 pmLisbon Humberto Delgado
36h 52m
2 stops
PDX11:37 pmPortland
$507
Find similar
British Airways
Feb 11
PDX5:45 pmPortland
20h 05m
1 stop
LIS9:50 pmLisbon Humberto Delgado
Feb 19
LIS12:55 pmLisbon Humberto Delgado
35h 00m
1 stop
PDX3:55 pmPortland
$509
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Portugal 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 December 23, 2025.
Use the filters below to find and compare flights from Oregon to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Fri 2/6

9:50 am-3:40 pm

2 stops21h 50m

Lisbon Humberto Delgado

Fri 2/13

6:10 am-6:30 pm

2 stops20h 20m

$473

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 3/2

9:50 am-9:20 am

2 stops39h 30m

Lisbon Humberto Delgado

Wed 3/11

5:00 am-7:14 pm

2 stops21h 14m

$478

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 4/8

7:30 pm-10:05 am

1 stop30h 35m

Lisbon Humberto Delgado

Wed 4/22

4:25 pm-5:40 pm

1 stop33h 15m

$484

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sun 2/15

1:25 pm-3:25 pm

1 stop18h 00m

Porto

Sun 3/8

5:00 am-11:25 am

1 stop14h 25m

$484

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 1/28

7:00 pm-9:20 am

2 stops30h 20m

Lisbon Humberto Delgado

Tue 2/24

11:20 am-3:27 pm

2 stops36h 07m

$485

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 2/7

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Thu 2/19

11:25 am-11:25 am

1 stop32h 00m

$487

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sun 2/15

7:00 am-10:30 am

2 stops19h 30m

Porto

Sat 3/7

4:10 pm-11:25 am

1 stop27h 15m

$489

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 2/4

9:50 am-7:55 am

2 stops38h 05m

Lisbon Humberto Delgado

Fri 2/20

10:55 am-10:56 pm

2 stops44h 01m

$489

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 2/4

11:10 am-3:10 pm

2 stops20h 00m

Lisbon Humberto Delgado

Wed 2/25

5:00 am-11:25 am

1 stop14h 25m

$491

PortlandPorto

PDX - OPO

PDXOPO

Portland

Mon 2/16

5:45 pm-5:35 pm

1 stop15h 50m

Porto

Tue 3/10

6:25 pm-4:55 pm

1 stop29h 30m

$531

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 Portugal from

How to get the cheapest flight ticket from Oregon to Portugal

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 Portugal?

The cheapest month to fly to Portugal from Oregon is in November. Flight prices, which tend to average around $558, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Oregon during October instead. Flights to Portugal in October, while not as cheap as those in November, still average around $740.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Wednesday is the cheapest day to fly to Portugal from Oregon. The lowest ticket price found for a Wednesday departure recently was $864. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,041.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Oregon to Portugal during this time can be as low as $622. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $981 per ticket.

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

You are more likely to see cheaper flights to Portugal from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $906 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Oregon for as low as $785 on momondo.

Can stopping save me money on Oregon to Portugal flights?

You could potentially save up to 23% on your flight if you consider stops on a Oregon to Portugal flight.

Cheap Oregon to Portugal flight deals and tips

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

Fastest flight time

16h 02m

Direct flights

None
The fastest flight from Oregon to Portugal takes 16h 02m
There are no direct flights from Oregon to Portugal. There are no popular flight routes from Oregon to Portugal.
Search flight deals

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

    Prices for flights from Oregon to Portugal refresh daily.

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

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

    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 Oregon to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Oregon to Portugal

Compare and see reviews for airlines that fly from Oregon to Portugal with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $360Free CancellationRating
7.0
592 reviews
Search Icelandair flights
DeltaPriceFrom $479Free CancellationRating
7.9
8,013 reviews
Search Delta flights
KLMPriceFrom $498Free CancellationRating
7.7
1,434 reviews
Search KLM flights
American AirlinesPriceFrom $564Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $586Free CancellationRating
7.4
9,106 reviews
Search United Airlines flights
British AirwaysPriceFrom $604Free CancellationRating
6.7
7,606 reviews
Search British Airways flights
Air CanadaPriceFrom $634Free CancellationRating
7.1
10,551 reviews
Search Air Canada flights
LufthansaPriceFrom $692Free CancellationRating
6.8
7,649 reviews
Search Lufthansa flights

Why use momondo?

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

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

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

Flights from Oregon to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Oregon to Portugal.

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

Of course. momondo tracks the price of Oregon to Portugal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Portugal

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Popular flights according to clicks in the last 7 days on momondo
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