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Portugal

$366+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$764
(CheapOair)

One-way from

$366
(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 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 ($314 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 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 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 March 28, 2025.

This United deal was found by Cheapflights users on 3/27. 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.
Wed 10/152:15 pmPDX - LIS
3 stops35h 05mMultiple Airlines
Thu 11/611:00 amLIS - PDX
2 stops54h 34mMultiple Airlines
Deal found 3/27$681
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Mon 10/277:05 pmPDX - LIS
2 stops31h 15mAir Canada
Sun 11/911:00 amLIS - PDX
2 stops30h 34mAir Canada
Deal found 3/27$683
This KLM deal was found by Cheapflights users on 3/27. 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 10/277:00 amPDX - LIS
1 stop18h 00mKLM
Sun 11/95:00 amLIS - PDX
1 stop14h 25mKLM
Deal found 3/27$686
This Booking.com deal was found by Cheapflights users on 3/27. 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 10/1511:56 amPDX - LIS
2 stops27h 14mBritish Airways
Thu 11/66:30 amLIS - PDX
2 stops42h 19mBritish Airways
Deal found 3/27$689
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:30 pmPDX - LIS
1 stop19h 20mAmerican Airlines
Wed 11/57:05 amLIS - PDX
1 stop17h 30mAmerican Airlines
Deal found 3/27$692
This United deal was found by Cheapflights users on 3/28. 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.
Mon 10/206:59 pmPDX - LIS
2 stops30h 21mUnited Airlines
Tue 10/2811:00 amLIS - PDX
2 stops37h 38mUnited Airlines
Deal found 3/28$703
This Icelandair deal was found by Cheapflights users on 3/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/113:20 pmPDX - LIS
1 stop22h 00mIcelandair
Thu 10/1610:20 pmLIS - PDX
1 stop27h 35mIcelandair
Deal found 3/27$707
This Delta deal was found by Cheapflights users on 3/28. 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 11/17:00 amPDX - LIS
2 stops21h 20mDelta
Thu 11/1310:00 amLIS - PDX
1 stop21h 27mDelta
Deal found 3/28$709
This Lufthansa deal was found by Cheapflights users on 3/28. 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 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 3/28$711
This Booking.com deal was found by Cheapflights users on 3/27. 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.
Mon 10/206:15 amPDX - OPO
2 stops45h 15mMultiple Airlines
Mon 10/274:30 pmOPO - PDX
2 stops37h 44mMultiple Airlines
Deal found 3/27$751
This United deal was found by Cheapflights users on 3/27. 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.
Tue 4/297:54 amPDX - OPO
2 stops17h 51mUnited Airlines
Tue 5/612:35 pmOPO - PDX
2 stops18h 01mUnited Airlines
Deal found 3/27$805
This KLM deal was found by Cheapflights users on 3/27. 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.
Wed 4/231:15 pmPDX - OPO
1 stop25h 00mKLM
Fri 5/26:40 amOPO - PDX
2 stops20h 30mKLM
Deal found 3/27$826

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 March 28, 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

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 4/9

7:25 pm-5:55 pm

1 stop14h 30m

Lisbon Humberto Delgado

Mon 4/28

6:45 pm-11:02 pm

2 stops36h 17m

$764

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 7/21

3:25 pm-9:20 am

2 stops33h 55m

Lisbon Humberto Delgado

Wed 8/20

11:25 am-6:31 pm

2 stops39h 06m

$784

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 7/21

9:59 am-8:20 am

1 stop14h 21m

Lisbon Humberto Delgado

Wed 8/20

11:25 am-6:31 pm

2 stops39h 06m

$788

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 9/22

7:40 pm-9:20 am

2 stops29h 40m

Lisbon Humberto Delgado

Wed 10/8

5:05 am-2:46 pm

2 stops17h 41m

$789

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 4/29

5:00 am-9:45 am

2 stops20h 45m

Porto

Tue 5/6

12:35 pm-9:39 pm

1 stop17h 04m

$805

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 4/23

1:55 pm-5:55 pm

2 stops20h 00m

Lisbon Humberto Delgado

Wed 4/30

5:00 am-11:20 am

1 stop14h 20m

$823

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 4/23

1:15 pm-2:35 pm

1 stop17h 20m

Lisbon Humberto Delgado

Wed 4/30

5:00 am-11:20 am

1 stop14h 20m

$824

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 4/23

1:15 pm-10:15 pm

1 stop25h 00m

Porto

Fri 5/2

6:40 am-7:10 pm

2 stops20h 30m

$826

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 4/23

1:55 pm-3:35 pm

2 stops17h 40m

Porto

Fri 5/2

6:40 am-8:39 pm

2 stops21h 59m

$831

PortlandPorto

PDX - OPO

PDXOPO

Portland

Fri 8/8

7:40 pm-9:35 am

2 stops29h 55m

Porto

Thu 8/21

12:10 pm-3:25 pm

2 stops35h 15m

$833

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 56 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 $1,213). 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 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 March 28, 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 March 28, 2025.
Read through reviews of airlines operating flights from Portland to Portugal, such as Delta, KLM and Finnair. 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
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
1,424 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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 Scandinavian Airlines. According to our data, you can fly for as low as $556. Users have also found prices from $561 and $596 on Icelandair and British Airways, 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 - Ponta Delgada Nordela 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 $1,213). 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 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 March 28, 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$674FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$570Average$1,117FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$572Average$1,406FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$586Average$1,105FlexibilityNo cancel feeOn-time67%
KLMCheapest$591Average$971FlexibilityNo cancel feeOn-time75%
DeltaCheapest$594Average$1,018FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$595Average$873FlexibilityNo cancel feeOn-time72%
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