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$441+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PDX
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
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 agosto 14, 2025.

Round-trip from

$868
(United Airlines)

One-way from

$441
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$974
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 ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/45:00 amLIS - PDX
2 stops25h 57mUnited Airlines
lun. 12/85:00 amPDX - LIS
2 stops19h 10mUnited Airlines
Deal found 8/12$868
This KLM deal was found by Cheapflights users on 8/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/23:35 pmLIS - PDX
1 stop27h 30mMultiple Airlines
jue. 10/1611:26 amPDX - LIS
2 stops19h 24mMultiple Airlines
Deal found 8/13$871
This KLM deal was found by Cheapflights users on 8/14. 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.
jue. 10/911:40 amLIS - PDX
1 stop31h 25mMultiple Airlines
mié. 10/2211:10 amPDX - LIS
2 stops16h 05mMultiple Airlines
Deal found 8/14$872
This KLM deal was found by Cheapflights users on 8/14. 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.
jue. 10/97:30 pmLIS - PDX
1 stop23h 35mKLM
mié. 10/221:15 pmPDX - LIS
1 stop25h 35mKLM
Deal found 8/14$873
This KLM deal was found by Cheapflights users on 8/14. 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.
sáb. 9/207:30 pmLIS - PDX
1 stop23h 30mMultiple Airlines
dom. 10/57:15 amPDX - LIS
1 stop16h 45mMultiple Airlines
Deal found 8/14$876
This Delta deal was found by Cheapflights users on 8/14. 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.
jue. 10/25:00 amLIS - PDX
2 stops17h 52mDelta
jue. 10/165:30 amPDX - LIS
2 stops21h 45mDelta
Deal found 8/14$878
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/410:55 amLIS - PDX
2 stops19h 53mAmerican Airlines
lun. 12/85:45 pmPDX - LIS
1 stop17h 10mAmerican Airlines
Deal found 8/12$881
This AirNGo deal was found by Cheapflights users on 8/14. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/205:40 amLIS - PDX
2 stops22h 58mAir France
dom. 10/57:15 amPDX - LIS
1 stop16h 45mAir France
Deal found 8/14$900
This British Airways deal was found by Cheapflights users on 8/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/46:35 pmLIS - PDX
1 stop29h 20mBritish Airways
lun. 12/85:45 pmPDX - LIS
1 stop17h 10mBritish Airways
Deal found 8/12$905
This Gotogate deal was found by Cheapflights users on 8/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/209:50 amLIS - PDX
2 stops21h 11mAir Canada
dom. 10/57:40 pmPDX - LIS
2 stops29h 40mAir Canada
Deal found 8/14$919

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 agosto 14, 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

jue. 12/4

5:00 am-10:57 pm

2 stops25h 57m

Portland

lun. 12/8

5:00 am-8:10 am

2 stops19h 10m

$868

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

jue. 10/2

3:35 pm-11:05 am

1 stop27h 30m

Portland

jue. 10/16

11:26 am-2:50 pm

2 stops19h 24m

$871

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

jue. 10/9

10:25 am-11:05 am

1 stop32h 40m

Portland

mié. 10/22

11:10 am-11:15 am

2 stops16h 05m

$871

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

jue. 10/9

10:25 am-11:05 am

1 stop32h 40m

Portland

mié. 10/22

1:15 pm-10:50 pm

1 stop25h 35m

$872

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

jue. 10/2

5:00 am-5:10 pm

2 stops20h 10m

Portland

jue. 10/16

3:19 pm-5:50 pm

2 stops18h 31m

$873

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

jue. 10/9

5:00 am-5:10 pm

2 stops20h 10m

Portland

mié. 10/22

11:10 am-11:15 am

2 stops16h 05m

$873

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

dom. 9/21

7:30 pm-11:20 am

1 stop23h 50m

Portland

dom. 9/28

12:55 pm-2:35 pm

1 stop17h 40m

$873

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

sáb. 9/20

7:30 pm-11:00 am

1 stop23h 30m

Portland

dom. 10/5

7:15 am-8:00 am

1 stop16h 45m

$876

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

jue. 9/18

3:00 pm-4:30 pm

3 stops57h 30m

$441

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

mar. 9/23

6:05 am-4:30 pm

3 stops42h 25m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 16 results
1
2

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 $369). 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 agosto 14, 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
1,381 reviews

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.1

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,381 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.1

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,916 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.1

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.7
Okay
7,266 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.1

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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 ($808) 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 $369). 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
Lincoln City
Cannon Beach
Long Beach
Longview
Tigard
Depoe Bay
Stevenson
Woodburn
Wilsonville
Pacific City
Troutdale
Tillamook
Gresham

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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$757Average$876FlexibilityNo cancel feeOn-time70%
KLMCheapest$786Average$897FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$808Average$911FlexibilityNo cancel feeOn-time69%

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