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$362+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Lisbon Humberto Delgado are usually found in November or February, booked 68 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 12, 2025.

Round-trip from

$574
(Priceline)

One-way from

$362
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$1,373
From Portland to Lisbon Humberto Delgado
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One-way flight from Portland to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 25% potential increase in price ($322 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 12, 2025.

This Priceline deal was found by Cheapflights users on 6/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/243:25 pmPDX - LIS
2 stops33h 55mAir Canada
Thu 12/411:00 amLIS - PDX
2 stops32h 35mAir Canada
Deal found 6/11$574
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:15 amPDX - LIS
2 stops20h 05mUnited Airlines
Tue 12/911:00 amLIS - PDX
2 stops39h 05mUnited Airlines
Deal found 6/11$582
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:10 amPDX - LIS
2 stops39h 10mLufthansa
Tue 12/1611:00 amLIS - PDX
2 stops39h 24mLufthansa
Deal found 6/12$589
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:55 amPDX - LIS
2 stops28h 10mIberia
Fri 11/148:45 pmLIS - PDX
2 stops23h 28mIberia
Deal found 6/10$616
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/13:45 pmPDX - LIS
1 stop21h 35mIcelandair
Thu 11/139:20 pmLIS - PDX
1 stop27h 40mIcelandair
Deal found 6/11$623
This American Airlines deal was found by Cheapflights users on 6/10. 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 10/3010:30 amPDX - LIS
2 stops14h 35mMultiple Airlines
Mon 11/107:05 amLIS - PDX
1 stop17h 30mMultiple Airlines
Deal found 6/10$629
This Travelocity deal was found by Cheapflights users on 6/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:30 pmPDX - LIS
1 stop19h 20mBritish Airways
Sun 11/910:45 amLIS - PDX
2 stops20h 07mBritish Airways
Deal found 6/11$633
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:01 amPDX - LIS
2 stops16h 39mAmerican Airlines
Mon 11/107:05 amLIS - PDX
1 stop17h 30mAmerican Airlines
Deal found 6/11$635
This Air France deal was found by Cheapflights users on 6/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:00 amPDX - LIS
1 stop17h 00mAir France
Fri 11/1410:00 amLIS - PDX
1 stop21h 29mAir France
Deal found 6/10$666
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:00 amPDX - LIS
1 stop17h 00mKLM
Wed 10/2910:00 amLIS - PDX
1 stop20h 29mKLM
Deal found 6/11$672
This Virgin Atlantic deal was found by Cheapflights users on 6/11. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:00 amPDX - LIS
1 stop17h 00mVirgin Atlantic
Tue 10/1412:45 pmLIS - PDX
2 stops19h 06mVirgin Atlantic
Deal found 6/11$680
This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 11/247:00 amPDX - LIS
1 stop17h 00mDelta
Tue 12/25:30 amLIS - PDX
2 stops26h 21mDelta
Deal found 6/11$681

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 12, 2025.
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

Mon 11/24

3:25 pm-9:20 am

2 stops33h 55m

Lisbon Humberto Delgado

Thu 12/4

11:00 am-11:35 am

2 stops32h 35m

$574

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Thu 12/4

5:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Tue 12/9

11:00 am-6:05 pm

2 stops39h 05m

$582

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 12/3

10:10 am-9:20 am

2 stops39h 10m

Lisbon Humberto Delgado

Tue 12/16

11:00 am-6:24 pm

2 stops39h 24m

$589

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 11/4

5:55 am-6:05 pm

2 stops28h 10m

Lisbon Humberto Delgado

Fri 11/14

8:45 pm-12:13 pm

2 stops23h 28m

$616

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/1

3:45 pm-8:20 pm

1 stop21h 35m

Lisbon Humberto Delgado

Thu 11/13

9:20 pm-5:00 pm

1 stop27h 40m

$623

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Thu 10/30

10:30 am-8:05 am

2 stops14h 35m

Lisbon Humberto Delgado

Mon 11/10

7:05 am-4:35 pm

1 stop17h 30m

$629

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 11/5

6:30 pm-9:50 pm

1 stop19h 20m

Lisbon Humberto Delgado

Sun 11/9

10:45 am-10:52 pm

2 stops20h 07m

$633

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 10/28

8:01 am-7:40 am

2 stops16h 39m

Lisbon Humberto Delgado

Mon 11/10

7:05 am-4:35 pm

1 stop17h 30m

$635

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 11/2

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Fri 11/14

10:00 am-11:29 pm

1 stop21h 29m

$666

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 10/6

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Wed 10/29

10:00 am-11:29 pm

1 stop20h 29m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 23 results
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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 June 9, 2025.

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 68 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, January is the cheapest month in which you can book a flight from Portland to Lisbon (average of $612). Flying from Portland to Lisbon in June is currently the most expensive (average of $1,136). 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.

What is the cheapest time of day to fly from PDX to LIS?

Find hourly flight availability from Portland to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Lisbon in the afternoon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Portland to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Portland to Lisbon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Lisbon flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 12, 2025.
Read reviews from past customers who have flown Delta, KLM and Air France from Portland to Lisbon. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, Air Canada ($574), United Airlines ($582), and Lufthansa ($589) offers the cheapest pricing from Portland to Lisbon. Users have found that Air Canada is 38% cheaper than the other options available to this destination.

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

    $379 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and Air Canada, with prices starting from $424 and $462, 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. London is followed by Amsterdam in terms of the most popular layover location on flights 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 $44.

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

    Amsterdam travelers tend to visit Museumplein, Anne Frank Huis, and De Dam more than any other notable places. Museumplein, Anne Frank Huis and De Dam are located about 6.0 mi, 6.8 mi, and 7.0 mi, respectively from Amsterdam Schiphol if you are interested in checking them out. Travelers can book a car rental at Amsterdam Schiphol for about $40 per day to make their sightseeing more efficient.

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

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

  • 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, January is the cheapest month in which you can book a flight from Portland to Lisbon (average of $612). Flying from Portland to Lisbon in June is currently the most expensive (average of $1,136). 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
Sintra
Beja
Nazaré
Ericeira
Costa da Caparica
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

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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
Portland to Ponta Delgada flights
Eugene to Porto flights

Top 10 airlines flying from Portland to Lisbon

Discover the top 10 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$434Average$494FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$554Average$977FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$563Average$720FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$564Average$679FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$571Average$857FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$573Average$943FlexibilityNo cancel feeOn-time70%
KLMCheapest$583Average$978FlexibilityNo cancel feeOn-time75%
DeltaCheapest$587Average$926FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$595Average$873FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$607Average$1,021FlexibilityNo cancel feeOn-time67%

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