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Portugal

$286+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$592
(United Airlines)

One-way from

$286
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,129
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 ($301 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 May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 10/275:00 amEUG - LIS
2 stops22h 15mUnited Airlines
Wed 11/1911:00 amLIS - EUG
2 stops42h 38mUnited Airlines
Deal found 4/28$632
This United Airlines deal was found by Cheapflights users on 4/30. 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 10/146:00 amRDM - LIS
2 stops19h 20mUnited Airlines
Thu 10/2311:25 amLIS - RDM
2 stops43h 17mUnited Airlines
Deal found 4/30$661
This United Airlines deal was found by Cheapflights users on 4/30. 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 9/1610:45 amBOI - LIS
2 stops39h 35mUnited Airlines
Tue 9/3011:25 amLIS - BOI
2 stops38h 09mUnited Airlines
Deal found 4/30$741
This Air Canada deal was found by Cheapflights users on 4/30. 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 10/187:40 pmPDX - OPO
2 stops38h 35mAir Canada
Sun 10/266:15 amOPO - PDX
2 stops39h 29mAir Canada
Deal found 4/30$744
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/79:54 amPDX - OPO
1 stop15h 51mUnited Airlines
Tue 10/216:00 amOPO - PDX
2 stops20h 31mUnited Airlines
Deal found 4/29$812
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:25 pmPDX - LIS
1 stop14h 30mBritish Airways
Sat 10/116:55 pmLIS - PDX
1 stop30h 40mBritish Airways
Deal found 4/29$827
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/133:30 pmPDX - LIS
2 stops19h 10mKLM
Tue 5/2011:40 amLIS - PDX
1 stop31h 40mKLM
Deal found 4/29$833
This Tripair deal was found by Cheapflights users on 4/30. 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 Tripair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/163:25 pmPDX - LIS
2 stops22h 25mAir Canada
Tue 5/2011:25 amLIS - PDX
2 stops19h 11mAir Canada
Deal found 4/30$837
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:20 amPDX - OPO
2 stops20h 10mDelta
Sun 10/265:00 amOPO - PDX
1 stop14h 25mDelta
Deal found 4/29$844
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/181:15 pmPDX - OPO
1 stop20h 55mKLM
Sun 10/265:00 amOPO - PDX
1 stop14h 25mKLM
Deal found 4/29$845
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:30 amPDX - LIS
2 stops16h 50mUnited Airlines
Sat 10/189:50 amLIS - PDX
2 stops40h 41mUnited Airlines
Deal found 4/29$847
This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 8/2811:20 amPDX - LIS
2 stops19h 30mDelta
Sun 9/75:00 amLIS - PDX
1 stop14h 00mDelta
Deal found 4/30$850

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 May 1, 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

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Mon 10/27

5:00 am-10:15 am

2 stops22h 15m

Lisbon Humberto Delgado

Wed 11/19

11:00 am-9:38 pm

2 stops42h 38m

$632

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 10/14

6:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Thu 10/23

11:25 am-10:42 pm

2 stops43h 17m

$661

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sat 10/18

7:40 pm-6:15 pm

2 stops38h 35m

Porto

Sun 10/26

6:15 am-2:44 pm

2 stops39h 29m

$744

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 10/7

9:54 am-9:45 am

1 stop15h 51m

Porto

Tue 10/21

6:00 am-6:31 pm

2 stops20h 31m

$812

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 5/13

3:30 pm-6:40 pm

2 stops19h 10m

Lisbon Humberto Delgado

Tue 5/20

11:40 am-11:20 am

1 stop31h 40m

$833

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Fri 5/16

3:25 pm-9:50 pm

2 stops22h 25m

Lisbon Humberto Delgado

Tue 5/20

11:25 am-10:36 pm

2 stops19h 11m

$837

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sat 10/18

11:20 am-3:30 pm

2 stops20h 10m

Porto

Sun 10/26

5:00 am-12:25 pm

1 stop14h 25m

$844

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sat 10/18

1:15 pm-6:10 pm

1 stop20h 55m

Porto

Sun 10/26

5:00 am-12:25 pm

1 stop14h 25m

$845

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 5/7

3:20 pm-9:45 pm

2 stops22h 25m

Lisbon Humberto Delgado

Tue 5/13

6:20 am-9:30 am

3 stops35h 10m

$847

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Thu 7/24

9:51 am-2:50 pm

2 stops20h 59m

Lisbon Humberto Delgado

Mon 7/28

10:00 am-9:30 pm

1 stop19h 30m

$855

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 58 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 $1,178). 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 May 1, 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 May 1, 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
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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 Icelandair ($411), British Airways ($443), and Air Canada ($482).

  • 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 $1,178). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$424Average$519FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$554Average$974FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$563Average$720FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$564Average$968FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$570Average$1,111FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$572Average$1,190FlexibilityNo cancel feeOn-time70%
KLMCheapest$586Average$1,085FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$586Average$1,132FlexibilityNo cancel feeOn-time67%
DeltaCheapest$587Average$1,147FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$595Average$873FlexibilityNo cancel feeOn-time72%

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