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Portugal

$295+ Cheap flights from Oregon 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Oregon to Portugal

Keep the following information in mind while searching for Oregon to Portugal flight deals. Data was last updated September 15, 2025.

Round-trip from

$544
(Flighttix)

One-way from

$295
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$961
From Oregon to Portugal
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One-way flight from Oregon to Portugal
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Highest demand for flights based on searches. 25% potential increase in price ($315 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 September 2025
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Find flight deals from Oregon to Portugal

Cheapest flights from Oregon to Portugal
Explore the most affordable flight options available from Oregon to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Billigflug deal was found by Cheapflights users on 9/12. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:20 amBOI - LIS
2 stops21h 00mMultiple Airlines
Tue 11/45:00 amLIS - BOI
2 stops25h 28mMultiple Airlines
Deal found 9/12$536
This Flighttix deal was found by Cheapflights users on 9/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 pmPDX - LIS
2 stops29h 55mAir Canada
Fri 12/1211:20 amLIS - PDX
2 stops29h 55mAir Canada
Deal found 9/15$544
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/187:40 pmPDX - LIS
2 stops29h 40mAir Canada
Thu 11/65:00 amLIS - PDX
2 stops21h 30mAir Canada
Deal found 9/14$552
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Mon 12/17:00 pmPDX - LIS
2 stops29h 55mAir Canada
Thu 12/115:00 amLIS - PDX
2 stops21h 30mAir Canada
Deal found 9/15$553
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:12 pmPDX - OPO
1 stop27h 18mUnited Airlines
Wed 11/1212:35 pmOPO - PDX
1 stop17h 35mUnited Airlines
Deal found 9/13$555
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/25:00 amPDX - LIS
2 stops19h 55mUnited Airlines
Wed 12/1011:00 amLIS - PDX
2 stops32h 48mUnited Airlines
Deal found 9/15$557
This United deal was found by Cheapflights users on 9/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:12 pmPDX - LIS
1 stop24h 58mMultiple Airlines
Wed 11/2611:20 amLIS - PDX
2 stops39h 10mMultiple Airlines
Deal found 9/14$558
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 10/2010:17 pmPDX - LIS
1 stop26h 03mUnited Airlines
Wed 11/55:00 amLIS - PDX
2 stops25h 10mUnited Airlines
Deal found 9/14$559
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Mon 12/13:15 pmPDX - LIS
2 stops33h 40mAir Canada
Tue 12/911:20 amLIS - PDX
2 stops53h 55mAir Canada
Deal found 9/15$560
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 11/117:00 amPDX - OPO
2 stops18h 30mMultiple Airlines
Thu 11/2012:30 pmOPO - PDX
2 stops19h 56mMultiple Airlines
Deal found 9/14$560
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 12/37:00 amPDX - LIS
2 stops19h 15mUnited Airlines
Wed 12/1011:00 amLIS - PDX
2 stops32h 48mUnited Airlines
Deal found 9/15$561
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:50 amPDX - LIS
2 stops16h 30mMultiple Airlines
Wed 11/55:00 amLIS - PDX
2 stops24h 26mMultiple Airlines
Deal found 9/14$562

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon 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 September 15, 2025.
Use the filters below to find and compare flights from Oregon to Portugal that are best for you.

Fly from

Oregon

Fly to

Portugal

Route

Depart

Return

Price

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 10/28

6:20 am-9:20 am

2 stops21h 00m

Lisbon Humberto Delgado

Tue 11/4

5:00 am-11:28 pm

2 stops25h 28m

$536

PortlandPorto

PDX - OPO

PDXOPO

Portland

Mon 10/27

5:00 am-9:30 am

2 stops21h 30m

Porto

Wed 11/12

12:35 pm-10:10 pm

1 stop17h 35m

$555

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 12/2

5:00 am-8:55 am

2 stops19h 55m

Lisbon Humberto Delgado

Wed 12/10

11:00 am-11:48 am

2 stops32h 48m

$557

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 11/16

11:12 pm-8:10 am

1 stop24h 58m

Lisbon Humberto Delgado

Wed 11/26

11:20 am-6:30 pm

2 stops39h 10m

$558

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 11/11

7:00 am-9:30 am

2 stops18h 30m

Porto

Thu 11/20

12:30 pm-12:26 am

2 stops19h 56m

$560

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 11/11

8:30 am-9:30 am

2 stops17h 00m

Porto

Thu 11/20

12:35 pm-10:10 pm

1 stop17h 35m

$563

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 11/17

8:20 am-10:15 am

1 stop17h 55m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-12:46 am

2 stops27h 46m

$566

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 11/16

8:20 am-10:15 am

1 stop17h 55m

Lisbon Humberto Delgado

Tue 11/25

12:20 pm-12:26 am

2 stops20h 06m

$566

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Mon 11/17

7:51 pm-9:20 am

2 stops29h 29m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-6:16 pm

2 stops21h 16m

$568

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 11/18

6:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-6:16 pm

2 stops21h 16m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 51 results
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Best time to book a flight from Oregon to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Oregon to Portugal (average of $612). Flying from Oregon to Portugal in June is currently the most expensive (average of $1,127). 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 OR to PT?

Find hourly flight availability from Oregon 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Portugal as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Portugal. 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 Oregon to Portugal?

    For as low as $602, United Airlines can have you in Portugal from Oregon in 18h 50m. There are 5150 mi between Oregon 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 Oregon to Portugal one-way?

    The cheapest airlines for a one-way flight from Oregon to Portugal are Lufthansa ($295), United Airlines ($314), and Air Canada ($523).

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Oregon to Portugal (average of $612). Flying from Oregon to Portugal in June is currently the most expensive (average of $1,127). 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 Oregon to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Oregon to Portugal

Discover the top 10 airlines that operate flights from Oregon 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$434Average$507FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$563Average$720FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$564Average$1,102FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$578Average$1,073FlexibilityNo cancel feeOn-time76%
DeltaCheapest$581Average$1,117FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$587Average$1,048FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$591Average$1,066FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$595Average$952FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$595Average$1,110FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$643Average$1,134FlexibilityNo cancel feeOn-time77%

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