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Portugal

$303+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
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 enero 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$404
(Gotogate)

One-way from

$303
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$736
Provider with most accurate pricing for Portland-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Portland-Lisbon Humberto Delgado flights.
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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. 26% potential increase in price ($320 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 January 2026
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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 enero 8, 2026.

This Gotogate deal was found by Cheapflights users on 1/8. 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. 5/93:30 pmPDX - LIS
1 stop14h 20mIcelandair
jue. 5/2110:20 pmLIS - PDX
1 stop27h 35mIcelandair
Deal found 1/8$404
This United Airlines deal was found by Cheapflights users on 1/7. 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.
mar. 4/148:05 amPDX - LIS
1 stop18h 25mUnited Airlines
mar. 4/2811:25 amLIS - PDX
2 stops39h 09mUnited Airlines
Deal found 1/7$437
This FlightHub deal was found by Cheapflights users on 1/7. 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.
lun. 4/133:15 pmPDX - LIS
2 stops34h 05mMultiple Airlines
mar. 4/2811:25 amLIS - PDX
2 stops39h 05mMultiple Airlines
Deal found 1/7$442
This American Airlines deal was found by Cheapflights users on 1/8. 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.
lun. 2/95:45 pmPDX - LIS
1 stop20h 10mAmerican Airlines
mié. 2/258:20 amLIS - PDX
2 stops21h 32mAmerican Airlines
Deal found 1/8$443
This Expedia deal was found by Cheapflights users on 1/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/92:18 pmPDX - LIS
2 stops20h 37mMultiple Airlines
mié. 2/256:30 amLIS - PDX
2 stops23h 22mMultiple Airlines
Deal found 1/7$445
This Finnair deal was found by Cheapflights users on 1/7. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/15:45 pmPDX - LIS
2 stops37h 40mFinnair
mar. 11/104:10 pmLIS - PDX
2 stops35h 05mFinnair
Deal found 1/7$447
This FlightHub deal was found by Cheapflights users on 1/6. 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.
lun. 4/63:15 pmPDX - LIS
2 stops34h 05mMultiple Airlines
mié. 5/63:50 pmLIS - PDX
2 stops35h 15mMultiple Airlines
Deal found 1/6$448
This Iberia deal was found by Cheapflights users on 1/7. 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.
lun. 4/137:30 pmPDX - LIS
1 stop19h 40mMultiple Airlines
mar. 4/218:25 amLIS - PDX
2 stops22h 24mMultiple Airlines
Deal found 1/7$449
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/185:45 pmPDX - LIS
1 stop15h 55mBritish Airways
mié. 2/257:05 amLIS - PDX
1 stop16h 50mBritish Airways
Deal found 1/7$451
This Finnair deal was found by Cheapflights users on 1/7. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/276:22 amPDX - LIS
2 stops25h 18mFinnair
mié. 5/66:35 amLIS - PDX
2 stops23h 57mFinnair
Deal found 1/7$452
This Expedia deal was found by Cheapflights users on 1/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/32:13 pmPDX - OPO
2 stops19h 32mBritish Airways
mar. 2/108:20 amOPO - PDX
2 stops20h 07mBritish Airways
Deal found 1/6$453
This Booking.com deal was found by Cheapflights users on 1/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/17:10 pmPDX - LIS
2 stops30h 10mAir Canada
mar. 12/1511:20 amLIS - PDX
2 stops35h 20mAir Canada
Deal found 1/6$454

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 enero 8, 2026.
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

mar. 4/14

7:00 am-10:30 am

2 stops19h 30m

Lisbon Humberto Delgado

mar. 4/28

11:25 am-6:34 pm

2 stops39h 09m

$442

PortlandLisbon

PDX - LIS

PDXLIS

Portland

lun. 2/9

7:00 am-8:10 am

2 stops17h 10m

Lisbon Humberto Delgado

mié. 2/25

10:15 am-11:14 pm

2 stops20h 59m

$448

PortlandLisbon

PDX - LIS

PDXLIS

Portland

lun. 4/27

6:22 am-3:40 pm

2 stops25h 18m

Lisbon Humberto Delgado

mié. 5/6

6:35 am-10:32 pm

2 stops23h 57m

$452

PortlandLisbon

PDX - LIS

PDXLIS

Portland

mié. 2/4

7:00 am-8:10 am

2 stops17h 10m

Lisbon Humberto Delgado

mié. 2/11

10:15 am-12:39 am

2 stops22h 24m

$462

PortlandLisbon

PDX - LIS

PDXLIS

Portland

jue. 4/9

8:05 am-10:30 am

1 stop18h 25m

Lisbon Humberto Delgado

mié. 4/15

11:25 am-6:34 pm

2 stops39h 09m

$462

PortlandLisbon

PDX - LIS

PDXLIS

Portland

lun. 4/13

6:22 am-11:10 pm

2 stops32h 48m

Lisbon Humberto Delgado

lun. 4/20

5:10 pm-5:40 pm

1 stop32h 30m

$465

PortlandLisbon

PDX - LIS

PDXLIS

Portland

mié. 4/15

7:00 am-11:15 pm

2 stops32h 15m

Lisbon Humberto Delgado

jue. 4/23

3:00 pm-5:40 pm

1 stop34h 40m

$465

PortlandLisbon

PDX - LIS

PDXLIS

Portland

lun. 4/27

6:22 am-12:55 pm

2 stops22h 33m

Lisbon Humberto Delgado

jue. 5/7

7:20 am-5:40 pm

1 stop18h 20m

$465

PortlandPorto

PDX - OPO

PDXOPO

Portland

mar. 4/7

7:05 am-10:05 pm

2 stops31h 00m

Porto

lun. 4/20

11:45 am-11:10 am

1 stop31h 25m

$470

PortlandPorto

PDX - OPO

PDXOPO

Portland

mar. 4/7

9:05 am-10:05 pm

2 stops29h 00m

Porto

jue. 4/23

11:45 am-11:10 am

1 stop31h 25m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 51 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, November is the cheapest month in which you can book a flight from Portland to Portugal (average of $434). Flying from Portland to Portugal in June is currently the most expensive (average of $844). 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.

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 enero 8, 2026.
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
7.9
Good
8,029 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,029 reviews
Delta
7.9
Good
8,029 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,434 reviews
Delta
7.9
Good
8,029 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,141 reviews
Delta
7.9
Good
8,029 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,603 reviews
Delta
7.9
Good
8,029 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,657 reviews
Delta
7.9
Good
8,029 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Portland to Portugal?

    Airlines like United Airlines, Finnair, and Delta fly from Portland to Portugal in about 19h 30m. The time it takes to get you to your destination can typically vary by up to 11h 30m. There are 5295 mi between Portland and Portugal. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $232. Users have also found prices from $329 and $335 on Air Canada and United Airlines, respectively.

  • 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 - Ponta Delgada Nordela 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, November is the cheapest month in which you can book a flight from Portland to Portugal (average of $434). Flying from Portland to Portugal in June is currently the most expensive (average of $844). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Portland to Portugal

Discover the top 9 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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$360Average$490FlexibilityNo cancel feeOn-time76%
KLMCheapest$498Average$869FlexibilityNo cancel feeOn-time75%
DeltaCheapest$498Average$952FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$524Average$793FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$586Average$1,116FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$593Average$943FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$603Average$1,208FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$627Average$1,029FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$692Average$1,074FlexibilityNo cancel feeOn-time76%

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