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Lisbon

$244+ Cheap flights from Portland (PDX) to Lisbon (LIS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
Jul 28 — Aug 41
Tue 7/28
Tue 8/4
1 adult, Economy
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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 June 28, 2026.

This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:50 am
PDX
-
LIS
2 stops14h 55m
Virgin Atlantic
Thu 8/2010:00 am
LIS
-
PDX
1 stop19h 13m
Virgin Atlantic
Deal found 6/24$244
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:35 pm
PDX
-
LIS
1 stop25h 25m
Virgin Atlantic
Thu 8/1312:45 pm
LIS
-
PDX
2 stops18h 35m
Virgin Atlantic
Deal found 6/23$286
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:35 pm
PDX
-
LIS
1 stop25h 25m
Virgin Atlantic
Thu 8/1312:45 pm
LIS
-
PDX
2 stops18h 54m
Virgin Atlantic
Deal found 6/23$311
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:40 pm
PDX
-
LIS
1 stop25h 20m
Virgin Atlantic
Tue 7/2112:45 pm
LIS
-
PDX
2 stops18h 33m
Virgin Atlantic
Deal found 6/23$319
This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:05 am
PDX
-
LIS
1 stop16h 55m
Virgin Atlantic
Fri 7/2412:45 pm
LIS
-
PDX
2 stops18h 33m
Virgin Atlantic
Deal found 6/24$321
This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:05 am
PDX
-
LIS
1 stop16h 55m
Virgin Atlantic
Wed 7/2210:00 am
LIS
-
PDX
1 stop19h 13m
Virgin Atlantic
Deal found 6/24$332

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 June 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$244
(Virgin Atlantic)

Popular in

June

Cheapest in

February

Average price

$1,347
Provider with most accurate pricing for Portland-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Lisbon Humberto Delgado flights.
Search Deals
From Portland to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($303 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 28, 2026.
Use the filters below to find and compare flights from Portland to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 7/11

7:05 am-8:00 am

1 stop16h 55m

Lisbon Humberto Delgado

Wed 7/22

10:00 am-9:13 pm

1 stop19h 13m

$332
Quickest round-trip

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 10/14

1:05 pm-10:55 am

1 stop13h 50m

Lisbon Humberto Delgado

Wed 10/21

5:00 am-11:10 am

1 stop14h 10m

$779

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 9/21

1:05 pm-2:35 pm

1 stop17h 30m

Lisbon Humberto Delgado

Tue 9/29

11:55 am-11:10 am

1 stop31h 15m

$809

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Fri 11/6

8:25 am-10:20 am

1 stop17h 55m

Lisbon Humberto Delgado

Thu 11/12

12:20 pm-8:28 pm

1 stop16h 08m

$846

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 9/27

1:05 pm-10:55 am

1 stop13h 50m

Lisbon Humberto Delgado

Sun 10/11

5:00 am-4:34 pm

2 stops19h 34m

$879

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 9/27

1:05 pm-6:45 pm

1 stop21h 40m

Lisbon Humberto Delgado

Sun 10/11

5:35 am-2:51 pm

2 stops17h 16m

$886

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 9/28

8:25 am-10:30 am

1 stop18h 05m

Lisbon Humberto Delgado

Mon 10/26

11:55 am-8:28 pm

1 stop15h 33m

$886

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Thu 10/15

8:30 am-11:05 am

2 stops18h 35m

Lisbon Humberto Delgado

Fri 10/30

5:00 am-10:44 pm

3 stops24h 44m

$927

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 9/9

8:25 am-10:30 am

1 stop18h 05m

Lisbon Humberto Delgado

Wed 9/30

10:25 am-9:27 pm

1 stop19h 02m

$976

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 8/24

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Sun 9/6

7:45 pm-11:10 am

1 stop23h 25m

$1,015

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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 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 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 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?

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 12 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, February is the cheapest month in which you can book a flight from Portland to Lisbon (average of $603). Flying from Portland to Lisbon in June is currently the most expensive (average of $1,347). 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.

How much does it cost to fly round-trip from Portland to Lisbon?

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 June 28, 2026.
Read reviews from past customers who have flown KLM,Delta, andUnited 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.
KLM
7.8
Good
1,531 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,531 reviews
KLM
7.8
Good
1,531 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Delta
7.8
Good
8,455 reviews
KLM
7.8
Good
1,531 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,901 reviews
KLM
7.8
Good
1,531 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air Canada
7.1
Good
11,269 reviews
KLM
7.8
Good
1,531 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,074 reviews
KLM
7.8
Good
1,531 reviews

Entertainment

7.2

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 13h 50m. 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), KLM ($492), and Lufthansa ($501) offers the cheapest pricing from Portland to Lisbon. Users have found that Icelandair is 57% cheaper than the other options available to this destination.

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

    $312 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $328 and $360, respectively.

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

    Of the flights from Portland to Lisbon that have layovers, most of them stop in London.

  • 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 Trafalgar Square more than anywhere else. Hyde Park, Buckingham Palace, and Trafalgar Square can be accessed by traveling approximately 12.5 mi, 13.7 mi, and 14.3 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 $37.

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

    Portland to Lisbon flights that have layovers will least frequently stop in Amsterdam.

  • 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, February is the cheapest month in which you can book a flight from Portland to Lisbon (average of $603). Flying from Portland to Lisbon in June is currently the most expensive (average of $1,347). 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
Ericeira
Oeiras
Beja
Torres Vedras
Nazaré
Colares
Sesimbra

Browse thousands of different options on Cheapflights for your next trip

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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.
Portland to Porto flights
Boise to Lisbon flights
Redmond to Lisbon flights
Eugene to Lisbon flights
Portland to Faro flights

Top 7 airlines flying from Portland to Lisbon

Discover the top 7 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 June 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$360Average$425FlexibilityNo cancel feeOn-time76%
KLMCheapest$492Average$800FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$501Average$555FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$508Average$840FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$510Average$896FlexibilityNo cancel feeOn-time70%
DeltaCheapest$543Average$924FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$577Average$743FlexibilityNo cancel feeOn-time67%

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