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Portugal

$344+ Cheap flights from Oregon to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Oregon to Portugal

Keep the following information in mind while searching for Oregon to Portugal flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$784
(Air Canada)

One-way from

$344
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$867
Provider with most accurate pricing for Portland-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Portland-Lisbon Humberto Delgado flights.
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From Oregon to Portugal
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One-way flight from Oregon to Portugal
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Highest demand for flights based on searches. 24% potential increase in price ($309 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Oregon to Portugal

Cheapest flights from Oregon to Portugal
Explore the most affordable flight options available from Oregon to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:59 pmPDX - LIS
2 stops32h 16mUnited Airlines
Thu 11/1311:00 amLIS - PDX
2 stops38h 38mUnited Airlines
Deal found 3/31$674
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/231:00 pmBOI - LIS
2 stops37h 20mUnited Airlines
Sat 12/1311:00 amLIS - BOI
2 stops41h 08mUnited Airlines
Deal found 3/30$675
This United deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:56 pmPDX - LIS
1 stop26h 14mMultiple Airlines
Sun 11/911:00 amLIS - PDX
2 stops35h 44mMultiple Airlines
Deal found 3/30$677
This Air Canada deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:05 pmPDX - LIS
2 stops37h 00mAir Canada
Thu 11/135:00 amLIS - PDX
2 stops21h 24mAir Canada
Deal found 3/30$680
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/143:51 pmRDM - LIS
2 stops33h 29mUnited Airlines
Thu 10/2312:50 pmLIS - RDM
2 stops41h 55mUnited Airlines
Deal found 3/30$710
This Lufthansa deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/203:25 pmPDX - LIS
2 stops33h 55mLufthansa
Tue 10/2811:00 amLIS - PDX
2 stops38h 24mLufthansa
Deal found 3/31$712
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:10 amPDX - LIS
2 stops21h 40mDelta
Wed 10/295:00 amLIS - PDX
1 stop14h 25mDelta
Deal found 3/30$738
This KLM deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:15 pmPDX - LIS
1 stop17h 20mKLM
Tue 10/2111:40 amLIS - PDX
1 stop31h 40mKLM
Deal found 3/30$739
This British Airways deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:20 pmPDX - LIS
2 stops19h 25mBritish Airways
Wed 12/317:05 amLIS - PDX
1 stop17h 30mBritish Airways
Deal found 3/30$746
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:54 amPDX - OPO
2 stops17h 51mUnited Airlines
Tue 5/612:35 pmOPO - PDX
2 stops19h 56mUnited Airlines
Deal found 3/31$805
This KLM deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/291:55 pmPDX - OPO
2 stops17h 40mKLM
Tue 5/66:50 pmOPO - PDX
1 stop24h 30mKLM
Deal found 3/30$820
This Air France deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1411:20 amRDM - LIS
2 stops22h 35mMultiple Airlines
Wed 5/215:00 amLIS - RDM
2 stops21h 49mMultiple Airlines
Deal found 3/29$833

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
Use the filters below to find and compare flights from Oregon to Portugal that are best for you.

Fly from

Oregon

Fly to

Portugal

Route

Depart

Return

Price

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 8/12

7:40 pm-9:20 am

2 stops29h 40m

Lisbon Humberto Delgado

Tue 8/26

11:25 am-6:31 pm

2 stops39h 06m

$784

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 9/16

11:59 pm-9:20 am

2 stops25h 21m

Lisbon Humberto Delgado

Tue 9/30

11:25 am-6:05 pm

2 stops38h 40m

$788

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 8/13

6:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Wed 8/27

11:25 am-10:45 pm

2 stops43h 20m

$788

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 4/29

7:54 am-9:45 am

2 stops17h 51m

Porto

Tue 5/6

12:35 pm-12:31 am

2 stops19h 56m

$805

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 4/15

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Tue 4/22

11:40 am-11:20 am

1 stop31h 40m

$806

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Fri 5/9

1:45 pm-8:35 pm

2 stops22h 50m

Lisbon Humberto Delgado

Fri 5/23

9:55 am-12:24 pm

1 stop34h 29m

$808

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Sun 5/4

11:02 am-9:50 pm

2 stops27h 48m

Lisbon Humberto Delgado

Tue 5/20

11:25 am-9:39 pm

2 stops41h 14m

$809

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 4/29

1:55 pm-3:35 pm

2 stops17h 40m

Porto

Tue 5/6

6:50 pm-11:20 am

1 stop24h 30m

$820

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 5/5

7:25 pm-5:55 pm

1 stop14h 30m

Lisbon Humberto Delgado

Tue 5/13

11:00 am-5:35 pm

1 stop14h 35m

$827

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 4/22

3:10 pm-6:40 pm

2 stops19h 30m

Lisbon Humberto Delgado

Tue 4/29

7:30 pm-11:20 am

1 stop23h 50m

$828

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 54 results
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Best time to book a flight from Oregon to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Portugal

What is the cheapest month to book a flight from Oregon to Portugal?

Currently, January is the cheapest month in which you can book a flight from Oregon to Portugal (average of $612). Flying from Oregon to Portugal in June is currently the most expensive (average of $1,213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to PT?

Find hourly flight availability from Oregon to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Portugal as you normally would.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated March 31, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Oregon to Portugal. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Oregon to Portugal one-way?

    The cheapest airlines for a one-way flight from Oregon to Portugal are Scandinavian Airlines ($487), British Airways ($597), and Air Canada ($603).

  • Can I find deals for flights from Oregon to Portugal that include hotel bookings?

    Yes. In addition to deals on Oregon to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Portugal.

  • Can I find deals for business class flights from Oregon to Portugal?

    Yes. Cheapflights offers flight deals from Oregon to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Oregon to Portugal (average of $612). Flying from Oregon to Portugal in June is currently the most expensive (average of $1,213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Oregon to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Oregon to Portugal

Discover the top 10 airlines that operate flights from Oregon to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$434Average$582FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$554Average$972FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$563Average$720FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$564Average$912FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$571Average$1,139FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$572Average$1,409FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$586Average$1,109FlexibilityNo cancel feeOn-time67%
DeltaCheapest$590Average$1,076FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$590Average$1,081FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$595Average$873FlexibilityNo cancel feeOn-time72%
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