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$450+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PDX
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
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 October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$863
(Kiwi.com)

One-way from

$450
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$1,357
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 October 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 October 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:10 amLIS - PDX
1 stop18h 34mMultiple Airlines
Tue 12/25:30 amPDX - LIS
2 stops19h 30mMultiple Airlines
Deal found 10/11$863
This Delta deal was found by Cheapflights users on 10/12. 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.
Wed 11/265:00 amLIS - PDX
1 stop14h 25mDelta
Wed 12/311:54 amPDX - LIS
2 stops19h 16mDelta
Deal found 10/12$867
This Air France deal was found by Cheapflights users on 10/11. 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 10/197:30 pmLIS - PDX
1 stop23h 50mMultiple Airlines
Sun 11/27:12 amPDX - LIS
1 stop17h 43mMultiple Airlines
Deal found 10/11$868
This Air France deal was found by Cheapflights users on 10/12. 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 10/2311:40 amLIS - PDX
1 stop31h 25mMultiple Airlines
Thu 11/67:12 amPDX - LIS
1 stop17h 43mMultiple Airlines
Deal found 10/12$871
This Delta deal was found by Cheapflights users on 10/13. 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 11/275:00 amLIS - PDX
2 stops20h 43mDelta
Thu 12/410:05 amPDX - LIS
2 stops17h 15mDelta
Deal found 10/13$872
This Delta deal was found by Cheapflights users on 10/11. 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 11/255:30 amLIS - PDX
2 stops20h 13mDelta
Tue 12/29:10 amPDX - LIS
2 stops22h 00mDelta
Deal found 10/11$875
This American Airlines deal was found by Cheapflights users on 10/10. 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 stops20h 01mAmerican Airlines
Mon 12/812:00 pmPDX - LIS
2 stops18h 55mAmerican Airlines
Deal found 10/10$878
This Delta deal was found by Cheapflights users on 10/13. 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 10/2311:40 amLIS - PDX
1 stop31h 25mDelta
Thu 11/67:12 amPDX - LIS
1 stop17h 43mDelta
Deal found 10/13$894

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 October 13, 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

Tue 11/25

10:10 am-8:44 pm

1 stop18h 34m

Portland

Tue 12/2

5:30 am-9:00 am

2 stops19h 30m

$863

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Wed 11/26

5:00 am-11:25 am

1 stop14h 25m

Portland

Wed 12/3

11:54 am-3:10 pm

2 stops19h 16m

$867

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 11/27

11:25 am-11:25 am

1 stop32h 00m

Portland

Thu 12/4

11:35 am-11:20 am

2 stops15h 45m

$868

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 11/27

5:00 am-5:43 pm

2 stops20h 43m

Portland

Thu 12/4

10:05 am-11:20 am

2 stops17h 15m

$872

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Tue 11/25

5:30 am-5:43 pm

2 stops20h 13m

Portland

Tue 12/2

9:10 am-3:10 pm

2 stops22h 00m

$875

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/4

10:55 am-10:56 pm

2 stops20h 01m

Portland

Mon 12/8

12:00 pm-2:55 pm

2 stops18h 55m

$878

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 10/23

11:40 am-11:05 am

1 stop31h 25m

Portland

Thu 11/6

7:12 am-8:55 am

1 stop17h 43m

$894

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 1/8

3:55 pm-4:11 pm

3 stops56h 16m

$450

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Wed 1/7

6:55 pm-8:27 pm

2 stops57h 32m

$538

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/4

6:30 am-10:56 pm

2 stops24h 26m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Portland flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 October 13, 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
1,402 reviews

Food

7.2

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
1,402 reviews
KLM
7.7
Good
1,402 reviews

Food

7.2

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
8,973 reviews
KLM
7.7
Good
1,402 reviews

Food

7.2

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
7,451 reviews
KLM
7.7
Good
1,402 reviews

Food

7.2

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

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 Delta fly from Lisbon to Portland in about 14h 25m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 5295 mi.

  • 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
Hillsboro
McMinnville
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

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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 October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$757Average$886FlexibilityNo cancel feeOn-time70%
KLMCheapest$786Average$950FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$863Average$974FlexibilityNo cancel feeOn-time69%

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