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$444+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PDX
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap 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 December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/20. 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 12/2110:15 amLIS - PDX
2 stops33h 43mUnited Airlines
Sun 12/285:00 amPDX - LIS
2 stops21h 15mUnited Airlines
Deal found 12/20$1,099
This British Airways deal was found by Cheapflights users on 12/20. 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.
Sun 12/2110:40 amLIS - PDX
2 stops22h 14mBritish Airways
Sun 12/285:45 pmPDX - LIS
1 stop20h 00mBritish Airways
Deal found 12/20$1,157
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Sun 12/2110:40 amLIS - PDX
2 stops22h 14mMultiple Airlines
Sun 12/285:45 pmPDX - LIS
1 stop16h 00mMultiple Airlines
Deal found 12/20$1,161
This KLM deal was found by Cheapflights users on 12/20. 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.
Sun 12/213:30 pmLIS - PDX
1 stop27h 55mKLM
Sun 12/281:25 pmPDX - LIS
1 stop25h 45mKLM
Deal found 12/20$1,218
This Cathay Pacific deal was found by Cheapflights users on 12/20. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:40 amLIS - PDX
3 stops42h 20mCathay Pacific
Sun 12/287:15 amPDX - LIS
3 stops44h 35mCathay Pacific
Deal found 12/20$16,648

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$750
(American Airlines)

One-way from

$444
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$922
Provider with most accurate pricing for Lisbon Humberto Delgado-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Portland flights.
Search Deals
From Lisbon Humberto Delgado to Portland
Search Deals
One-way flight from Lisbon Humberto Delgado to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
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 December 2025
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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 December 23, 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

Fri 1/23

8:20 am-8:27 pm

2 stops20h 07m

Portland

Sun 2/8

5:45 pm-5:45 pm

1 stop16h 00m

$750

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Fri 1/23

7:05 am-3:55 pm

1 stop16h 50m

Portland

Sun 2/8

5:45 pm-5:45 pm

1 stop16h 00m

$776

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Fri 1/23

6:30 am-8:48 pm

3 stops46h 18m

Portland

Sun 2/8

7:20 am-11:50 am

3 stops44h 30m

$16,483

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Wed 5/6

9:05 am-1:45 pm

3 stops36h 40m

$444

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sat 4/25

9:50 am-1:43 pm

3 stops59h 53m

$448

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sun 3/1

6:10 am-9:23 pm

2 stops47h 13m

$474

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sun 5/3

7:20 am-10:13 pm

2 stops22h 53m

$514

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Fri 4/24

9:15 am-12:52 pm

3 stops35h 37m

$519

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sat 4/25

11:00 am-5:40 pm

1 stop14h 40m

$577

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sun 4/12

7:20 am-5:40 pm

1 stop18h 20m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 11 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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*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, December is the cheapest month in which you can book a flight from Lisbon to Portland (average of $681). Flying from Lisbon to Portland in October is currently the most expensive (average of $1,127). 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 December 23, 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
1,434 reviews

Overall

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,434 reviews
KLM
7.7
Good
1,434 reviews

Overall

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,106 reviews
KLM
7.7
Good
1,434 reviews

Overall

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,606 reviews
KLM
7.7
Good
1,434 reviews

Overall

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 American Airlines and Cathay Pacific fly from Lisbon to Portland in about 20h 07m. The time it takes to get you to your destination can typically vary by up to 26h 11m. 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 ($888) offers the cheapest pricing from Lisbon to Portland. British Airways is priced at 19% lower than the current average price of a flight leaving 3 months from now.

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

    $552 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on British Airways and KLM, with prices starting from $570 and $682, respectively.

  • 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, December is the cheapest month in which you can book a flight from Lisbon to Portland (average of $681). Flying from Lisbon to Portland in October is currently the most expensive (average of $1,127). 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
Longview
Lake Oswego
Beaverton
McMinnville
Hillsboro
Troutdale
Cannon Beach
Long Beach
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
Gresham

Browse thousands of different options on Cheapflights for your next trip

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$757Average$903FlexibilityNo cancel feeOn-time70%
KLMCheapest$786Average$972FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$888Average$974FlexibilityNo cancel feeOn-time69%

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