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$561+ Cheap flights from Lisbon (LIS) to Portland (PDX)

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PDX
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Lisbon to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$835
(Flysmarter)

One-way from

$561
(British Airways)

Popular in

October

Cheapest in

February

Average price

$792
Provider with most accurate pricing for Lisbon Humberto Delgado-Portland flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Portland flights.
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From Lisbon Humberto Delgado to Portland
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One-way flight from Lisbon Humberto Delgado to Portland
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Highest demand for flights based on searches. 8% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Lisbon to Portland

Cheapest flights from Lisbon to Portland
Explore the most affordable flight options available from Lisbon to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Flysmarter deal was found by Cheapflights users on 11/5. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:25 amLIS - PDX
1 stop32h 00mMultiple Airlines
Sat 12/136:15 amPDX - LIS
2 stops17h 45mMultiple Airlines
Deal found 11/5$835
This Air Canada deal was found by Cheapflights users on 11/5. 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.
Thu 12/45:00 amLIS - PDX
2 stops21h 30mAir Canada
Mon 12/83:15 pmPDX - LIS
2 stops34h 05mAir Canada
Deal found 11/5$850
This Delta deal was found by Cheapflights users on 11/4. 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.
Fri 11/145:00 amLIS - PDX
1 stop14h 25mDelta
Fri 11/287:05 amPDX - LIS
2 stops24h 05mDelta
Deal found 11/4$860
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:00 amLIS - PDX
2 stops25h 46mLufthansa
Tue 1/138:30 amPDX - LIS
2 stops22h 45mLufthansa
Deal found 11/4$866
This KLM deal was found by Cheapflights users on 11/6. 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.
Thu 12/2511:25 amLIS - PDX
1 stop32h 00mMultiple Airlines
Tue 1/1311:10 amPDX - LIS
2 stops16h 10mMultiple Airlines
Deal found 11/6$869
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/410:55 amLIS - PDX
2 stops18h 12mAmerican Airlines
Mon 12/85:45 pmPDX - LIS
1 stop34h 20mAmerican Airlines
Deal found 11/5$870
This KLM deal was found by Cheapflights users on 11/5. 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.
Thu 12/253:30 pmLIS - PDX
1 stop27h 55mKLM
Wed 12/311:25 pmPDX - LIS
1 stop17h 10mKLM
Deal found 11/5$878

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lisbon to Portland 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 November 6, 2025.
Use the filters below to find and compare flights from Lisbon to Portland that are best for you.

Fly from

Lisbon

Fly to

Portland

Route

Depart

Return

Price

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/4

11:25 am-11:25 am

1 stop32h 00m

Portland

Sat 12/13

6:15 am-8:00 am

2 stops17h 45m

$835

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/4

5:00 am-6:30 pm

2 stops21h 30m

Portland

Mon 12/8

3:15 pm-9:20 am

2 stops34h 05m

$850

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/4

10:55 am-9:07 pm

2 stops18h 12m

Portland

Mon 12/8

5:45 pm-12:05 pm

1 stop34h 20m

$870

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/25

11:25 am-11:25 am

1 stop32h 00m

Portland

Tue 1/13

7:00 am-8:00 am

1 stop17h 00m

$873

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/25

3:30 pm-11:25 am

1 stop27h 55m

Portland

Wed 12/31

1:25 pm-2:35 pm

1 stop17h 10m

$878

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sat 1/24

11:25 am-11:25 am

1 stop32h 00m

Portland

Sat 2/21

11:10 am-11:20 am

2 stops16h 10m

$883

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 1/29

11:25 am-11:25 am

1 stop32h 00m

Portland

Fri 2/27

11:10 am-3:10 pm

2 stops20h 00m

$883

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/25

10:55 am-2:40 pm

2 stops35h 45m

Portland

Tue 1/13

7:00 am-9:20 am

2 stops18h 20m

$883

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Wed 1/28

5:00 am-11:25 am

1 stop14h 25m

Portland

Wed 2/25

11:10 am-3:10 pm

2 stops20h 00m

$883

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sun 4/12

11:00 am-5:40 pm

1 stop14h 40m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 15 results
1
2

Compare providers for flights from Lisbon to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Portland in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lisbon-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lisbon-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lisbon-Portland flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to Portland

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

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

Currently, January is the cheapest month in which you can book a flight from Lisbon to Portland (average of $689). Flying from Lisbon to Portland in July is currently the most expensive (average of $1,086). 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated November 6, 2025.
Peruse reviews from past customers who have flown with KLM, United Airlines, and British Airways from Lisbon to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,003 reviews
KLM
7.7
Good
1,405 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,499 reviews
KLM
7.7
Good
1,405 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

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

  • How long is the flight from Lisbon to Portland?

    Airlines like Air Canada and American Airlines fly from Lisbon to Portland in about 18h 12m. The time it takes to get you to your destination can typically vary by up to 3h 18m. Airlines will cover a distance of 5295 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Lisbon to Portland round-trip?

    According to our current data, British Airways ($757), KLM ($786), and United Airlines ($863) offers the cheapest pricing from Lisbon to Portland. British Airways is priced at 18% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Lisbon to Portland (average of $689). Flying from Lisbon to Portland in July is currently the most expensive (average of $1,086). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Clackamas
Lincoln City
Lake Oswego
Beaverton
McMinnville
Hillsboro
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Gresham
Troutdale

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Lisbon to Portland

Discover the top 3 airlines that operate flights from Lisbon to Portland. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$757Average$903FlexibilityNo cancel feeOn-time70%
KLMCheapest$786Average$950FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$863Average$974FlexibilityNo cancel feeOn-time69%

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