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Portugal

$286+ Cheap flights from Portland (PDX) 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 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Portland to Portugal

Keep the following information in mind while searching for Portland to Portugal flight deals. Data was last updated April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$789
(Justfly.com)

One-way from

$286
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$857
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 Portland to Portugal
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One-way flight from Portland 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 April 2025
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Find flight deals from Portland to Portugal

Cheapest flights from Portland to Portugal
Explore the most affordable flight options available from Portland to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:10 amPDX - FAO
2 stops18h 10mMultiple Airlines
Wed 11/2612:10 pmFAO - PDX
2 stops41h 58mMultiple Airlines
Deal found 4/28$754
This Justfly.com 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 Justfly.com 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 stops19h 09mAir Canada
Deal found 4/29$789
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.
Tue 10/79:54 amPDX - OPO
1 stop15h 51mUnited Airlines
Fri 10/3112:35 pmOPO - PDX
2 stops30h 52mUnited Airlines
Deal found 4/28$806
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1711:59 pmPDX - OPO
2 stops25h 46mMultiple Airlines
Sat 10/256:00 amOPO - PDX
2 stops20h 46mMultiple Airlines
Deal found 4/28$818
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1311:25 amPDX - LIS
2 stops15h 50mDelta
Tue 5/2011:40 amLIS - PDX
1 stop31h 40mDelta
Deal found 4/28$827
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:15 pmPDX - LIS
2 stops18h 25mBritish Airways
Sun 10/1211:00 amLIS - PDX
1 stop14h 35mBritish Airways
Deal found 4/28$831
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1311:25 amPDX - LIS
2 stops19h 10mKLM
Tue 5/2011:40 amLIS - PDX
1 stop31h 40mKLM
Deal found 4/28$833
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.
Tue 5/137:54 amPDX - LIS
2 stops17h 26mUnited Airlines
Mon 5/1912:20 pmLIS - PDX
1 stop15h 42mUnited Airlines
Deal found 4/28$842
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1810:15 amPDX - OPO
2 stops21h 15mDelta
Sun 10/265:00 amOPO - PDX
1 stop14h 25mDelta
Deal found 4/28$844
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/181:15 pmPDX - OPO
1 stop25h 00mKLM
Sun 10/2611:15 amOPO - PDX
1 stop32h 10mKLM
Deal found 4/28$845
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1511:50 amPDX - LIS
2 stops19h 00mMultiple Airlines
Thu 5/227:30 pmLIS - PDX
1 stop23h 50mMultiple Airlines
Deal found 4/29$851
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:00 amPDX - LIS
1 stop17h 00mAir France
Mon 8/1110:00 amLIS - PDX
1 stop19h 35mAir France
Deal found 4/28$859

Cheapflights Fare Finder

Customize your flight search to find flights from Portland 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 April 30, 2025.
Use the filters below to find and compare flights from Portland to Portugal that are best for you.

Fly from

Portland

Fly to

Portugal

Route

Depart

Return

Price

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sat 10/18

7:40 pm-6:15 pm

2 stops38h 35m

Porto

Sun 10/26

6:15 am-6:24 pm

2 stops19h 09m

$789

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 10/7

9:54 am-9:45 am

1 stop15h 51m

Porto

Fri 10/31

12:35 pm-12:27 pm

2 stops30h 52m

$806

PortlandPorto

PDX - OPO

PDXOPO

Portland

Fri 10/17

11:59 pm-9:45 am

2 stops25h 46m

Porto

Sat 10/25

6:00 am-6:46 pm

2 stops20h 46m

$818

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 5/13

11:25 am-11:15 am

2 stops15h 50m

Lisbon Humberto Delgado

Tue 5/20

11:40 am-11:20 am

1 stop31h 40m

$827

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 5/13

11:25 am-2:35 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

Tue 5/13

7:54 am-9:20 am

2 stops17h 26m

Lisbon Humberto Delgado

Mon 5/19

12:20 pm-8:02 pm

1 stop15h 42m

$842

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sat 10/18

10:15 am-3:30 pm

2 stops21h 15m

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-10:15 pm

1 stop25h 00m

Porto

Sun 10/26

11:15 am-12:25 pm

1 stop32h 10m

$845

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Thu 5/15

11:50 am-2:50 pm

2 stops19h 00m

Lisbon Humberto Delgado

Thu 5/22

7:30 pm-11:20 am

1 stop23h 50m

$851

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 5/12

6:15 am-9:20 am

2 stops43h 05m

Lisbon Humberto Delgado

Thu 6/12

11:25 am-3:13 pm

2 stops35h 48m

$879

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 57 results
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Best time to book a flight from Portland to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Portland 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 Portland to Portugal

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

Currently, January is the cheapest month in which you can book a flight from Portland to Portugal (average of $612). Flying from Portland 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 PDX to PT?

Find hourly flight availability from Portland 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 April 30, 2025.

When flying from Portland to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 30, 2025.
Read through reviews of airlines operating flights from Portland to Portugal, such as Delta, KLM and SWISS. 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
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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 Portland to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Portugal?

    For a flight from Portland to Portugal, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city.

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

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $566. Users have also found prices from $571 and $576 on Air Canada and United Airlines, respectively.

  • What are the most popular routes from Portland to Portugal?

    When deciding which route to take from Portland to Portugal consider Portland - Lisbon Humberto Delgado, Portland - Porto or Portland - Faro as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Portland to Portugal (average of $612). Flying from Portland 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 Portland 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 Portland to Portugal

Discover the top 10 airlines that operate flights from Portland 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 April 30, 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$774FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$570Average$1,053FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$572Average$1,190FlexibilityNo cancel feeOn-time70%
KLMCheapest$586Average$975FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$586Average$1,132FlexibilityNo cancel feeOn-time67%
DeltaCheapest$587Average$1,020FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$595Average$873FlexibilityNo cancel feeOn-time72%

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