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$375+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PDX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$746
(Delta)

One-way from

$375
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,084
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. 11% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:00 amLIS - PDX
1 stop14h 20mDelta
Thu 10/3011:10 amPDX - LIS
2 stops17h 10mDelta
Deal found 9/10$746
This KLM deal was found by Cheapflights users on 9/11. 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.
Sat 10/118:55 amLIS - PDX
1 stop34h 05mKLM
Sat 10/257:12 amPDX - LIS
1 stop18h 48mKLM
Deal found 9/11$748
This KLM deal was found by Cheapflights users on 9/11. 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.
Thu 10/910:25 amLIS - PDX
1 stop32h 40mMultiple Airlines
Wed 10/2211:10 amPDX - LIS
2 stops16h 05mMultiple Airlines
Deal found 9/11$750
This KLM deal was found by Cheapflights users on 9/11. 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.
Thu 10/910:25 amLIS - PDX
1 stop32h 40mKLM
Wed 10/221:15 pmPDX - LIS
1 stop17h 20mKLM
Deal found 9/11$752
This American Airlines deal was found by Cheapflights users on 9/9. 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 stops32h 09mAmerican Airlines
Mon 12/85:45 pmPDX - LIS
1 stop17h 10mAmerican Airlines
Deal found 9/9$754
This Delta deal was found by Cheapflights users on 9/11. 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.
Thu 10/95:40 amLIS - PDX
2 stops23h 24mDelta
Wed 10/227:12 amPDX - LIS
2 stops20h 03mDelta
Deal found 9/11$755
This deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:20 amLIS - PDX
1 stop18h 15mBritish Airways
Sun 9/287:25 pmPDX - LIS
1 stop14h 30mBritish Airways
Deal found 9/10$796
This British Airways deal was found by Cheapflights users on 9/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:55 pmLIS - PDX
2 stops32h 19mBritish Airways
Sat 10/252:05 pmPDX - LIS
2 stops25h 25mBritish Airways
Deal found 9/11$799
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 9/265:00 amLIS - PDX
2 stops21h 51mDelta
Sun 10/129:58 amPDX - LIS
2 stops20h 52mDelta
Deal found 9/11$814
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/2612:20 pmLIS - PDX
1 stop16h 00mUnited Airlines
Sun 10/1210:10 amPDX - LIS
1 stop14h 10mUnited Airlines
Deal found 9/11$863

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 September 11, 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

Wed 9/24

5:00 am-11:20 am

1 stop14h 20m

Portland

Thu 10/30

11:10 am-11:20 am

2 stops17h 10m

$746

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sat 10/11

8:55 am-11:00 am

1 stop34h 05m

Portland

Sat 10/25

7:12 am-10:00 am

1 stop18h 48m

$748

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 10/9

10:25 am-11:05 am

1 stop32h 40m

Portland

Wed 10/22

11:10 am-11:15 am

2 stops16h 05m

$750

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 10/2

5:00 am-5:10 pm

2 stops20h 10m

Portland

Thu 10/16

7:30 am-2:50 pm

2 stops23h 20m

$750

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/4

10:55 am-10:56 pm

2 stops20h 01m

Portland

Mon 12/8

5:45 pm-6:55 pm

1 stop17h 10m

$752

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 10/9

10:25 am-11:05 am

1 stop32h 40m

Portland

Wed 10/22

1:15 pm-10:55 am

1 stop13h 40m

$752

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 10/9

5:40 am-9:04 pm

2 stops23h 24m

Portland

Wed 10/22

7:12 am-11:15 am

2 stops20h 03m

$755

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sat 10/11

6:55 pm-7:14 pm

2 stops32h 19m

Portland

Sat 10/25

7:25 pm-10:30 pm

1 stop20h 05m

$799

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Fri 11/14

7:05 am-11:56 am

3 stops36h 51m

$375

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Tue 11/25

9:05 am-10:45 pm

2 stops45h 40m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 15 results
1
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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, November is the cheapest month in which you can book a flight from Lisbon to Portland (average of $277). Flying from Lisbon to Portland in March is currently the most expensive (average of $368). 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 Lisbon to Portland?

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 September 11, 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
7.8
Good
1,385 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,937 reviews
KLM
7.8
Good
1,385 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
British Airways
6.7
Okay
7,361 reviews
KLM
7.8
Good
1,385 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 and KLM fly from Lisbon to Portland in about 14h 20m. The time it takes to get you to your destination can typically vary by up to 19h 45m. 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 ($863) 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.

  • 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, November is the cheapest month in which you can book a flight from Lisbon to Portland (average of $277). Flying from Lisbon to Portland in March is currently the most expensive (average of $368). 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
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Troutdale
Tillamook
Gresham
Silverton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$757Average$876FlexibilityNo cancel feeOn-time70%
KLMCheapest$786Average$950FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$863Average$974FlexibilityNo cancel feeOn-time69%

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