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Cheap flights from Oregon to Portugal from $274

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 4/27. 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
7:30 pm - 11:05 pm
PDX
-
LIS
19h 35m
1 stop
Multiple Airlines Logo
8:25 am - 11:54 pm
LIS
-
PDX
23h 29m
2 stops
$662Multiple Airlines
Sun, Apr 19 - Mon, Apr 27
Multiple Airlines Logo
1:41 pm - 11:25 pm
BOI
-
LIS
26h 44m
2 stops
Multiple Airlines Logo
4:35 pm - 10:54 pm
LIS
-
BOI
37h 19m
2 stops
$664Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
KLM Logo
3:44 pm - 6:45 pm
BOI
-
LIS
20h 01m
2 stops
KLM Logo
5:00 am - 4:14 pm
LIS
-
BOI
18h 14m
2 stops
$666KLM
Tue, Apr 21 - Tue, Apr 28
Delta Logo
1:52 pm - 5:50 pm
BOI
-
LIS
20h 58m
2 stops
Delta Logo
5:00 am - 4:14 pm
LIS
-
BOI
18h 14m
2 stops
$670Delta
Tue, Apr 21 - Tue, May 5
Lufthansa Logo
2:30 pm - 10:10 pm
PDX
-
LIS
23h 40m
2 stops
Lufthansa Logo
5:05 am - 10:34 pm
LIS
-
PDX
25h 29m
2 stops
$671Lufthansa
Tue, Apr 21 - Tue, Apr 28
Lufthansa Logo
2:30 pm - 10:45 pm
PDX
-
LIS
24h 15m
2 stops
Lufthansa Logo
5:05 am - 8:48 pm
LIS
-
PDX
23h 43m
2 stops
$672Lufthansa
Mon, Apr 20 - Mon, Apr 27
United Airlines Logo
4:08 pm - 10:45 pm
BOI
-
LIS
23h 37m
2 stops
United Airlines Logo
5:05 am - 7:11 pm
LIS
-
BOI
21h 06m
2 stops
$672United Airlines
Thu, Apr 23 - Thu, Apr 30
United Airlines Logo
11:15 pm - 8:20 am
PDX
-
LIS
25h 05m
1 stop
United Airlines Logo
10:25 am - 9:06 pm
LIS
-
PDX
18h 41m
1 stop
$682United Airlines
Sat, Apr 25 - Fri, May 8
Delta Logo
1:52 pm - 5:50 pm
BOI
-
LIS
20h 58m
2 stops
Delta Logo
5:00 am - 10:24 pm
LIS
-
BOI
24h 24m
2 stops
$720Delta
Wed, Apr 22 - Wed, Apr 29
KLM Logo
11:09 am - 6:45 pm
EUG
-
LIS
23h 36m
2 stops
KLM Logo
5:00 am - 11:50 pm
LIS
-
EUG
26h 50m
2 stops
$754KLM
Tue, May 5 - Tue, May 12

Delta flights from Oregon to Portugal

Our best Delta deals on Oregon to Portugal flight tickets
Delta
Apr 21
BOI1:52 pmBoise Air Term. Gowen Fld
20h 58m
2 stops
LIS5:50 pmLisbon Humberto Delgado
May 5
LIS5:00 amLisbon Humberto Delgado
18h 14m
2 stops
BOI4:14 pmBoise Air Term. Gowen Fld
$670
Delta
Apr 22
BOI1:52 pmBoise Air Term. Gowen Fld
20h 58m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Apr 29
LIS5:00 amLisbon Humberto Delgado
24h 24m
2 stops
BOI10:24 pmBoise Air Term. Gowen Fld
$720
Delta
Apr 14
BOI8:30 amBoise Air Term. Gowen Fld
23h 25m
2 stops
LIS2:55 pmLisbon Humberto Delgado
Apr 28
LIS5:00 amLisbon Humberto Delgado
22h 00m
2 stops
BOI8:00 pmBoise Air Term. Gowen Fld
$735

British Airways flights from Oregon to Portugal

Our best British Airways deals on Oregon to Portugal flight tickets
British Airways
Apr 19
PDX7:30 pmPortland
19h 35m
1 stop
LIS11:05 pmLisbon Humberto Delgado
May 14
LIS7:20 amLisbon Humberto Delgado
18h 20m
1 stop
PDX5:40 pmPortland
$707
British Airways
May 1
PDX7:30 pmPortland
30h 35m
1 stop
LIS10:05 amLisbon Humberto Delgado
May 11
LIS6:45 pmLisbon Humberto Delgado
30h 55m
1 stop
PDX5:40 pmPortland
$717
British Airways
May 7
PDX7:30 pmPortland
19h 35m
1 stop
LIS11:05 pmLisbon Humberto Delgado
May 21
LIS11:05 amLisbon Humberto Delgado
20h 18m
1 stop
PDX11:23 pmPortland
$721

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 March 26, 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

Sun 4/19

7:30 pm-11:05 pm

1 stop19h 35m

Lisbon Humberto Delgado

Mon 4/27

8:25 am-11:54 pm

2 stops23h 29m

$662

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 4/21

1:41 pm-11:25 pm

2 stops26h 44m

Lisbon Humberto Delgado

Tue 4/28

4:35 pm-10:54 pm

2 stops37h 19m

$664
Quickest round-trip

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 4/21

3:44 pm-6:45 pm

2 stops20h 01m

Lisbon Humberto Delgado

Tue 4/28

5:00 am-4:14 pm

2 stops18h 14m

$666

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 4/21

1:52 pm-5:50 pm

2 stops20h 58m

Lisbon Humberto Delgado

Tue 5/5

5:00 am-4:14 pm

2 stops18h 14m

$670

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 4/21

2:30 pm-10:10 pm

2 stops23h 40m

Lisbon Humberto Delgado

Tue 4/28

5:05 am-10:34 pm

2 stops25h 29m

$671

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 4/20

2:30 pm-10:45 pm

2 stops24h 15m

Lisbon Humberto Delgado

Mon 4/27

5:05 am-8:48 pm

2 stops23h 43m

$672

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Thu 4/23

4:08 pm-10:45 pm

2 stops23h 37m

Lisbon Humberto Delgado

Thu 4/30

5:05 am-7:11 pm

2 stops21h 06m

$672

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 4/25

11:15 pm-8:20 am

1 stop25h 05m

Lisbon Humberto Delgado

Fri 5/8

10:25 am-9:06 pm

1 stop18h 41m

$682

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 4/22

1:52 pm-5:50 pm

2 stops20h 58m

Lisbon Humberto Delgado

Wed 4/29

5:00 am-10:24 pm

2 stops24h 24m

$720

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Tue 5/5

11:09 am-6:45 pm

2 stops23h 36m

Lisbon Humberto Delgado

Tue 5/12

5:00 am-11:50 pm

2 stops26h 50m

$754

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 $557, 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 February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $601.

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 $829 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 $763 on momondo.

Can stopping save me money on Oregon to Portugal flights?

You could potentially save up to 16% 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 15m

Direct flights

None
The fastest flight from Oregon to Portugal takes 14h 15m
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
625 reviews
Search Icelandair flights
KLMPriceFrom $492Free CancellationRating
7.8
1,478 reviews
Search KLM flights
DeltaPriceFrom $494Free CancellationRating
7.9
8,336 reviews
Search Delta flights
LufthansaPriceFrom $501Free CancellationRating
6.8
7,871 reviews
Search Lufthansa flights
United AirlinesPriceFrom $502Free CancellationRating
7.4
9,488 reviews
Search United Airlines flights
British AirwaysPriceFrom $512Free CancellationRating
6.7
7,820 reviews
Search British Airways flights
American AirlinesPriceFrom $524Free CancellationRating
7.1
11,496 reviews
Search American Airlines flights
Air CanadaPriceFrom $577Free CancellationRating
7.1
10,843 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.

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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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