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Portugal

$302+ Cheap flights from Portland (PDX) to Portugal

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheap flight deals from Portland to Portugal

Keep the following information in mind while searching for Portland to Portugal flight deals. Data was last updated August 17, 2025.

Round-trip from

$569
(Gotogate)

One-way from

$302
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$977
From Portland to Portugal
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One-way flight from Portland to Portugal
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Highest demand for flights based on searches. 25% potential increase in price ($310 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 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 Portland to Portugal

Cheapest flights from Portland to Portugal
Explore the most affordable flight options available from Portland to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This Gotogate deal was found by Cheapflights users on 8/16. 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.
Tue 11/257:00 pmPDX - LIS
2 stops29h 55mAir Canada
Tue 12/211:20 amLIS - PDX
2 stops59h 25mAir Canada
Deal found 8/16$569
This Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/152:45 pmPDX - LIS
1 stop21h 35mIcelandair
Thu 11/279:20 pmLIS - PDX
1 stop27h 40mIcelandair
Deal found 8/14$579
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Tue 11/255:00 amPDX - LIS
2 stops20h 20mUnited Airlines
Tue 12/211:20 amLIS - PDX
2 stops42h 55mUnited Airlines
Deal found 8/15$580
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:50 amPDX - LIS
2 stops39h 30mAir Canada
Wed 11/265:00 amLIS - PDX
2 stops21h 30mAir Canada
Deal found 8/14$581
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:50 amPDX - LIS
2 stops39h 30mAir Canada
Sat 11/295:00 amLIS - PDX
2 stops36h 15mAir Canada
Deal found 8/14$584
This Priceline deal was found by Cheapflights users on 8/16. 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.
Thu 10/236:15 amPDX - LIS
2 stops19h 05mAir Canada
Wed 11/55:00 amLIS - PDX
2 stops21h 30mAir Canada
Deal found 8/16$585
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/153:15 pmPDX - LIS
2 stops34h 05mAir Canada
Fri 11/285:00 amLIS - PDX
2 stops21h 30mAir Canada
Deal found 8/14$588
This Air Canada deal was found by Cheapflights users on 8/15. 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 11/47:00 pmPDX - LIS
2 stops29h 55mMultiple Airlines
Mon 11/105:00 amLIS - PDX
2 stops36h 15mMultiple Airlines
Deal found 8/15$591
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:00 pmPDX - LIS
2 stops30h 20mAir Canada
Tue 11/256:10 amLIS - PDX
2 stops35h 05mAir Canada
Deal found 8/14$592
This Air Canada deal was found by Cheapflights users on 8/16. 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 12/25:00 amPDX - LIS
2 stops19h 55mMultiple Airlines
Tue 2/1711:20 amLIS - PDX
2 stops35h 25mMultiple Airlines
Deal found 8/16$593
This United deal was found by Cheapflights users on 8/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:12 pmPDX - LIS
1 stop24h 58mMultiple Airlines
Tue 12/211:20 amLIS - PDX
2 stops35h 25mMultiple Airlines
Deal found 8/16$594
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:30 amPDX - OPO
2 stops17h 00mUnited Airlines
Sun 11/1612:35 pmOPO - PDX
1 stop17h 35mUnited Airlines
Deal found 8/14$643

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Portugal 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 August 17, 2025.
Use the filters below to find and compare flights from Portland to Portugal that are best for you.

Fly from

Portland

Fly to

Portugal

Route

Depart

Return

Price

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/15

2:45 pm-8:20 pm

1 stop21h 35m

Lisbon Humberto Delgado

Thu 11/27

9:20 pm-5:00 pm

1 stop27h 40m

$579

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Thu 10/23

6:15 am-9:20 am

2 stops19h 05m

Lisbon Humberto Delgado

Wed 11/5

5:00 am-6:30 pm

2 stops21h 30m

$585

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/15

3:15 pm-9:20 am

2 stops34h 05m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-6:30 pm

2 stops21h 30m

$588

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/15

3:15 pm-9:20 am

2 stops34h 05m

Lisbon Humberto Delgado

Fri 11/28

5:00 am-6:30 pm

2 stops21h 30m

$588

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/15

9:50 am-9:20 am

2 stops39h 30m

Lisbon Humberto Delgado

Wed 11/26

5:00 am-6:30 pm

2 stops21h 30m

$588

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 11/4

7:00 pm-8:55 am

2 stops29h 55m

Lisbon Humberto Delgado

Mon 11/10

5:00 am-9:15 am

2 stops36h 15m

$591

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/15

9:50 am-9:20 am

2 stops39h 30m

Lisbon Humberto Delgado

Sat 11/29

5:00 am-9:15 am

2 stops36h 15m

$591

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Thu 10/23

8:08 am-10:30 am

1 stop18h 22m

Lisbon Humberto Delgado

Wed 11/5

5:00 am-8:38 pm

2 stops23h 38m

$599

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/15

9:50 am-9:20 am

2 stops39h 30m

Lisbon Humberto Delgado

Tue 11/25

6:10 am-9:15 am

2 stops35h 05m

$599

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

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 38 results
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Best time to book a flight from Portland to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Portland to Portugal (average of $612). Flying from Portland to Portugal in June is currently the most expensive (average of $1,128). 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 PT?

Find hourly flight availability from Portland to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2025.

When flying from Portland to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated August 17, 2025.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from Portland to Portugal. 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.
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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
7,986 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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
1,385 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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
8,919 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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 Canada
7.1
Good
9,977 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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!
British Airways
6.7
Okay
7,271 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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 Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Portugal?

    For a flight from Portland to Portugal, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city.

  • What are the most popular routes from Portland to Portugal?

    When deciding which route to take from Portland to Portugal consider Portland - Lisbon Humberto Delgado, Portland - Porto or Portland - Faro as they are the most popular.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Portland to Portugal (average of $612). Flying from Portland to Portugal in June is currently the most expensive (average of $1,128). 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

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Alternative routes for Portland to Portugal

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Top 10 airlines flying from Portland to Portugal

Discover the top 10 airlines that operate flights from Portland to Portugal. 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 August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$434Average$495FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$563Average$720FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$564Average$793FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$577Average$1,131FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$578Average$1,073FlexibilityNo cancel feeOn-time76%
DeltaCheapest$581Average$988FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$583Average$964FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$591Average$1,034FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$595Average$952FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$619Average$977FlexibilityNo cancel feeOn-time70%

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