Lisbon

$295+ Cheap flights from Portland (PDX) to Lisbon (LIS)

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
Feb 20 — Feb 271
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Cheap flight deals from Portland to Lisbon

Cheapest flights from Portland to Lisbon
Explore the most affordable flight options available from Portland to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This oojo deal was found by Cheapflights users on 1/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:45 pm
PDX
-
LIS
1 stop21h 35m
Icelandair
Sun 3/159:20 pm
LIS
-
PDX
1 stop27h 40m
Icelandair
Deal found 1/18$371
This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:45 pm
PDX
-
LIS
1 stop21h 35m
Icelandair
Sun 3/229:20 pm
LIS
-
PDX
1 stop27h 40m
Icelandair
Deal found 1/19$372
This Icelandair deal was found by Cheapflights users on 1/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:45 pm
PDX
-
LIS
1 stop21h 35m
Icelandair
Thu 3/129:20 pm
LIS
-
PDX
1 stop27h 40m
Icelandair
Deal found 1/20$399
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:30 pm
PDX
-
LIS
1 stop14h 20m
Icelandair
Thu 5/2110:20 pm
LIS
-
PDX
1 stop27h 35m
Icelandair
Deal found 1/20$406
This Icelandair deal was found by Cheapflights users on 1/19. 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 4/43:30 pm
PDX
-
LIS
1 stop21h 50m
Icelandair
Sun 4/1210:25 pm
LIS
-
PDX
1 stop27h 35m
Icelandair
Deal found 1/19$429
This Iberia deal was found by Cheapflights users on 1/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:30 pm
PDX
-
LIS
1 stop19h 45m
Multiple Airlines
Thu 4/1612:30 pm
LIS
-
PDX
2 stops19h 12m
Multiple Airlines
Deal found 1/19$448
This Air Canada deal was found by Cheapflights users on 1/18. 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.
Tue 10/2010:10 am
PDX
-
LIS
2 stops15h 10m
Air Canada
Tue 11/311:20 am
LIS
-
PDX
2 stops54h 05m
Air Canada
Deal found 1/18$449
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:30 pm
PDX
-
LIS
1 stop19h 45m
British Airways
Thu 4/1611:05 am
LIS
-
PDX
1 stop14h 35m
British Airways
Deal found 1/20$450
This FlightHub deal was found by Cheapflights users on 1/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:10 pm
PDX
-
LIS
2 stops31h 10m
Air Canada
Tue 11/311:20 am
LIS
-
PDX
2 stops54h 05m
Air Canada
Deal found 1/19$454
This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:30 pm
PDX
-
LIS
1 stop35h 00m
British Airways
Mon 4/275:10 pm
LIS
-
PDX
1 stop32h 30m
British Airways
Deal found 1/19$457
This British Airways deal was found by Cheapflights users on 1/18. 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 2/225:45 pm
PDX
-
LIS
1 stop32h 05m
British Airways
Wed 3/47:05 am
LIS
-
PDX
1 stop16h 50m
British Airways
Deal found 1/18$460

Find flight deals from Portland to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Lisbon (LIS). 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$371
(oojo)

One-way from

$295
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$706
Provider with most accurate pricing for Portland-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Portland-Lisbon Humberto Delgado flights.
From Portland to Lisbon Humberto Delgado
One-way flight from Portland to Lisbon Humberto Delgado
Highest demand for flights based on searches. 27% potential increase in price ($320 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Lisbon 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 January 21, 2026.
Use the filters below to find and compare flights from Portland to Lisbon that are best for you.

Fly from

Portland

Fly to

Lisbon

Route

Depart

Return

Price

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 4/4

3:30 pm-9:20 pm

1 stop21h 50m

Lisbon Humberto Delgado

Sun 4/12

10:25 pm-6:00 pm

1 stop27h 35m

$429

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 4/22

7:30 pm-11:15 pm

1 stop19h 45m

Lisbon Humberto Delgado

Thu 4/30

11:05 am-5:40 pm

1 stop14h 35m

$460

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 2/23

5:45 pm-6:55 pm

1 stop17h 10m

Lisbon Humberto Delgado

Fri 3/6

7:05 am-3:55 pm

1 stop16h 50m

$460

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 4/21

7:30 pm-11:00 pm

1 stop19h 30m

Lisbon Humberto Delgado

Thu 4/30

11:05 am-5:40 pm

1 stop14h 35m

$460

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 2/22

5:45 pm-9:45 pm

1 stop20h 00m

Lisbon Humberto Delgado

Thu 3/5

12:55 pm-3:55 pm

1 stop35h 00m

$460

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 2/22

5:45 pm-9:45 pm

1 stop20h 00m

Lisbon Humberto Delgado

Tue 3/3

7:40 pm-3:55 pm

1 stop28h 15m

$460

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 2/25

5:45 pm-9:50 pm

1 stop20h 05m

Lisbon Humberto Delgado

Fri 3/6

7:05 am-3:55 pm

1 stop16h 50m

$460

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 2/18

11:48 am-9:50 pm

2 stops26h 02m

Lisbon Humberto Delgado

Tue 3/3

4:00 pm-3:55 pm

1 stop31h 55m

$464

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 3/2

11:48 am-9:55 pm

2 stops26h 07m

Lisbon Humberto Delgado

Fri 3/13

7:05 am-4:55 pm

1 stop16h 50m

$464

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 2/22

5:45 pm-5:45 pm

1 stop16h 00m

Lisbon Humberto Delgado

Wed 3/4

12:55 pm-12:17 am

2 stops43h 22m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 22 results
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Compare providers for flights from Portland to Lisbon

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 Portland to Lisbon in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 Portland-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Lisbon flights, Cheapflights users trust Expedia the most. Expedia 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 Portland-Lisbon 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 Portland to Lisbon

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

How far ahead should I book a flight from Portland to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Lisbon. Price data was last updated on January 16, 2026.

The price you pay for your flight from Portland to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 8 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Portland to Lisbon (average of $434). Flying from Portland to Lisbon in June is currently the most expensive (average of $966). 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 Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated January 21, 2026.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from Portland to Lisbon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Portland to Lisbon. 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 Portland to Lisbon?

    Departing from Portland to Lisbon will take you 19h 45m. The distance between Portland and Lisbon is about 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 Portland to Lisbon round-trip?

    According to our current data, Icelandair ($360), Lufthansa ($501), and KLM ($514) offers the cheapest pricing from Portland to Lisbon. Users have found that Icelandair is 58% cheaper than the other options available to this destination.

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

    $232 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $329 and $335, respectively.

  • Where are the most common layover locations when flying from Portland to Lisbon?

  • What are some popular things to do or see while on a layover in London?

    London travelers tend to visit Hyde Park, Buckingham Palace, and Piccadilly Circus more than anywhere else. Hyde Park, Buckingham Palace, and Piccadilly Circus can be accessed by traveling approximately 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Those on a layover in London in need of a rental car can book one at London Heathrow for about $33.

  • What are some popular points of interest to see during a layover in New York?

    New York travelers tend to visit Times Square, New York City Center, and Madison Square Garden more than any other notable places. Times Square, New York City Center and Madison Square Garden are located about 13.6 mi, 13.6 mi, and 13.6 mi, respectively from New York John F Kennedy Intl if you are interested in checking them out. Travelers can book a car rental at New York John F Kennedy Intl for about $64 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Portland to Lisbon flights?

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Portland to Lisbon (average of $434). Flying from Portland to Lisbon in June is currently the most expensive (average of $966). 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 Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Oeiras
Ericeira
Beja
Costa da Caparica
Torres Vedras
Nazaré
Sesimbra
Colares

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Alternative routes for Portland to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Portland to Lisbon

Discover the top 8 airlines that operate flights from Portland to Lisbon. 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$360Average$490FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$501Average$972FlexibilityNo cancel feeOn-time76%
KLMCheapest$514Average$861FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$524Average$685FlexibilityNo cancel feeOn-time71%
DeltaCheapest$551Average$891FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$579Average$868FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$584Average$1,027FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$586Average$822FlexibilityNo cancel feeOn-time69%

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