Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Oregon to Portugal from $295

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 9/4. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:45 pm - 12:50 pm
PDX
-
LIS
14h 05m
1 stop
Icelandair Logo
2:00 pm - 5:00 pm
LIS
-
PDX
35h 00m
1 stop
$697Icelandair
Mon, Nov 2 - Tue, Nov 10
Icelandair Logo
2:45 pm - 12:50 pm
PDX
-
LIS
14h 05m
1 stop
Icelandair Logo
2:00 pm - 5:00 pm
LIS
-
PDX
35h 00m
1 stop
$700Icelandair
Sat, Nov 7 - Thu, Nov 12
Multiple Airlines Logo
10:00 am - 9:50 am
PDX
-
LIS
15h 50m
2 stops
Multiple Airlines Logo
5:00 am - 8:46 pm
LIS
-
PDX
23h 46m
2 stops
$716Multiple Airlines
Mon, Nov 2 - Tue, Nov 10
United Airlines Logo
7:30 pm - 9:50 am
RDM
-
LIS
30h 20m
2 stops
United Airlines Logo
11:20 am - 3:07 pm
LIS
-
RDM
35h 47m
2 stops
$721United Airlines
Sun, Nov 22 - Fri, Dec 4
United Airlines Logo
5:00 am - 10:20 am
RDM
-
LIS
21h 20m
2 stops
United Airlines Logo
11:20 am - 3:07 pm
LIS
-
RDM
35h 47m
2 stops
$722United Airlines
Wed, Nov 18 - Tue, Dec 8
Multiple Airlines Logo
10:00 am - 9:50 am
PDX
-
LIS
15h 50m
2 stops
Multiple Airlines Logo
5:00 am - 8:46 pm
LIS
-
PDX
23h 46m
2 stops
$728Multiple Airlines
Tue, Nov 17 - Thu, Dec 3
Lufthansa Logo
3:30 pm - 9:20 am
PDX
-
LIS
33h 50m
2 stops
Lufthansa Logo
5:00 am - 6:29 pm
LIS
-
PDX
21h 29m
2 stops
$741Lufthansa
Tue, Oct 20 - Tue, Nov 10
Delta Logo
5:20 pm - 9:00 am
RDM
-
LIS
55h 40m
2 stops
Delta Logo
5:00 am - 10:46 pm
LIS
-
RDM
25h 46m
2 stops
$742Delta
Sat, Nov 21 - Tue, Dec 8
Delta Logo
5:20 pm - 9:00 am
RDM
-
LIS
55h 40m
2 stops
Delta Logo
5:30 am - 10:46 pm
LIS
-
RDM
25h 16m
2 stops
$749Delta
Sat, Nov 21 - Fri, Dec 4
Lufthansa Logo
7:05 pm - 11:55 pm
EUG
-
OPO
20h 50m
2 stops
Lufthansa Logo
6:00 am - 9:44 pm
OPO
-
EUG
23h 44m
2 stops
$763Lufthansa
Thu, Nov 12 - Wed, Nov 18

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Oregon to Portugal

Our best United Airlines deals on Oregon to Portugal flight tickets
United Airlines
Nov 22
RDM7:30 pmBend/Redmond
30h 20m
2 stops
LIS9:50 amLisbon Humberto Delgado
Dec 4
LIS11:20 amLisbon Humberto Delgado
35h 47m
2 stops
RDM3:07 pmBend/Redmond
$721
United Airlines
Nov 18
RDM5:00 amBend/Redmond
21h 20m
2 stops
LIS10:20 amLisbon Humberto Delgado
Dec 8
LIS11:20 amLisbon Humberto Delgado
35h 47m
2 stops
RDM3:07 pmBend/Redmond
$722
United Airlines
Dec 6
BOI6:20 amBoise Air Term. Gowen Fld
20h 45m
2 stops
LIS10:05 amLisbon Humberto Delgado
Dec 8
LIS1:00 pmLisbon Humberto Delgado
41h 59m
2 stops
BOI11:59 pmBoise Air Term. Gowen Fld
$727

KLM flights from Oregon to Portugal

Our best KLM deals on Oregon to Portugal flight tickets
KLM
Nov 22
PDX10:05 pmPortland
25h 55m
1 stop
LIS8:00 amLisbon Humberto Delgado
Dec 4
LIS5:00 amLisbon Humberto Delgado
14h 20m
1 stop
PDX11:20 amPortland
$758
KLM
Nov 22
PDX10:05 pmPortland
25h 55m
1 stop
LIS8:00 amLisbon Humberto Delgado
Dec 4
LIS5:00 amLisbon Humberto Delgado
22h 08m
2 stops
PDX7:08 pmPortland
$762
KLM
Dec 7
PDX1:20 pmPortland
17h 20m
1 stop
LIS2:40 pmLisbon Humberto Delgado
Jan 13
LIS5:00 amLisbon Humberto Delgado
14h 20m
1 stop
PDX11:20 amPortland
$794

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 June 22, 2026.
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

Cheapest round-trip

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 11/2

2:45 pm-12:50 pm

1 stop14h 05m

Lisbon Humberto Delgado

Tue 11/10

2:00 pm-5:00 pm

1 stop35h 00m

$697

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/7

2:45 pm-12:50 pm

1 stop14h 05m

Lisbon Humberto Delgado

Thu 11/12

2:00 pm-5:00 pm

1 stop35h 00m

$700
Quickest round-trip

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 11/2

10:00 am-9:50 am

2 stops15h 50m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-8:46 pm

2 stops23h 46m

$716

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sun 11/22

7:30 pm-9:50 am

2 stops30h 20m

Lisbon Humberto Delgado

Fri 12/4

11:20 am-3:07 pm

2 stops35h 47m

$721

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 11/18

5:00 am-10:20 am

2 stops21h 20m

Lisbon Humberto Delgado

Tue 12/8

11:20 am-3:07 pm

2 stops35h 47m

$722

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 11/17

10:00 am-9:50 am

2 stops15h 50m

Lisbon Humberto Delgado

Thu 12/3

5:00 am-8:46 pm

2 stops23h 46m

$728

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 10/20

3:30 pm-9:20 am

2 stops33h 50m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-6:29 pm

2 stops21h 29m

$741

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 11/21

5:20 pm-9:00 am

2 stops55h 40m

Lisbon Humberto Delgado

Tue 12/8

5:00 am-10:46 pm

2 stops25h 46m

$742

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 11/21

5:20 pm-9:00 am

2 stops55h 40m

Lisbon Humberto Delgado

Fri 12/4

5:30 am-10:46 pm

2 stops25h 16m

$749

EugenePorto

EUG - OPO

EUGOPO

Eugene

Thu 11/12

7:05 pm-11:55 pm

2 stops20h 50m

Porto

Wed 11/18

6:00 am-9:44 pm

2 stops23h 44m

$763

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 March. Flight prices, which tend to average around $360, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Portugal from Oregon during November instead. Flights to Portugal in November, while not as cheap as those in March, still average around $364.

How far in advance should I book a flight from Oregon 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 $843 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 $722 on momondo.

Can stopping save me money on Oregon to Portugal flights?

You could potentially save up to 29% 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

14h 20m

Direct flights

None
The fastest flight from Oregon to Portugal takes 14h 20m
There are no direct flights from Oregon to Portugal. There are no popular flight routes from Oregon to Portugal.
Search flight deals

Frequently asked questions about flying from Oregon to Portugal

  • 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
682 reviews
Search Icelandair flights
KLMPriceFrom $492Free CancellationRating
7.8
1,530 reviews
Search KLM flights
DeltaPriceFrom $494Free CancellationRating
7.8
8,422 reviews
Search Delta flights
United AirlinesPriceFrom $497Free CancellationRating
7.4
9,874 reviews
Search United Airlines flights
LufthansaPriceFrom $501Free CancellationRating
6.8
8,086 reviews
Search Lufthansa flights
British AirwaysPriceFrom $510Free CancellationRating
6.7
8,064 reviews
Search British Airways flights
Air CanadaPriceFrom $577Free CancellationRating
7.1
11,238 reviews
Search Air Canada 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.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 7/22
Wed 7/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $435
Flights to Portofrom $472
Flights to Funchalfrom $589
Flights to Farofrom $605
Flights to Ponta Delgadafrom $563
Flights to Lajesfrom $627
Flights to Hortafrom $694
Flights to Pico Islandfrom $699
Flights to Porto Santofrom $540
Flights to Velasfrom $791