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$371+ Cheap flights from Oregon to Porto (OPO)

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — OPO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Oregon to Porto

Keep the following information in mind while searching for Oregon to Porto flight deals. Data was last updated June 12, 2025.

Round-trip from

$611
(Lufthansa)

One-way from

$371
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,463
From Oregon to Porto
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One-way flight from Oregon to Porto
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Highest demand for flights based on searches. 20% potential increase in price ($276 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Oregon to Porto

Cheapest flights from Oregon to Porto
Explore the most affordable flight options available from Oregon to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:55 amPDX - OPO
2 stops29h 50mLufthansa
Wed 12/106:00 amOPO - PDX
2 stops22h 49mLufthansa
Deal found 6/11$611
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:30 pmPDX - OPO
2 stops29h 10mIberia
Wed 12/108:20 amOPO - PDX
2 stops34h 05mIberia
Deal found 6/11$612
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 11/307:30 amPDX - OPO
2 stops23h 45mUnited Airlines
Thu 12/1112:30 pmOPO - PDX
2 stops19h 49mUnited Airlines
Deal found 6/11$614
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 12/27:10 amPDX - OPO
2 stops19h 40mDelta
Fri 12/125:00 amOPO - PDX
1 stop14h 25mDelta
Deal found 6/11$629
This KLM deal was found by Cheapflights users on 6/11. 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.
Sun 11/301:25 pmPDX - OPO
1 stop18h 00mKLM
Fri 12/125:00 amOPO - PDX
1 stop14h 25mKLM
Deal found 6/11$650
This Air France deal was found by Cheapflights users on 6/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2911:10 amPDX - OPO
2 stops15h 40mMultiple Airlines
Sun 12/145:00 amOPO - PDX
1 stop14h 25mMultiple Airlines
Deal found 6/11$729
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/183:25 pmPDX - OPO
2 stops42h 50mAir Canada
Sun 10/266:15 amOPO - PDX
2 stops39h 29mAir Canada
Deal found 6/11$745
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/36:00 amEUG - OPO
2 stops19h 20mUnited Airlines
Mon 9/2912:10 pmOPO - EUG
2 stops56h 02mUnited Airlines
Deal found 6/11$963
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1111:35 amPDX - OPO
2 stops20h 20mAmerican Airlines
Sun 8/178:15 amOPO - PDX
2 stops21h 00mAmerican Airlines
Deal found 6/10$1,027
This Gurufare deal was found by Cheapflights users on 6/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2812:59 amPDX - OPO
2 stops26h 41mBritish Airways
Tue 8/1212:20 pmOPO - PDX
2 stops19h 00mBritish Airways
Deal found 6/9$1,395
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:45 pmEUG - OPO
3 stops29h 50mMultiple Airlines
Mon 9/298:15 amOPO - EUG
2 stops23h 43mMultiple Airlines
Deal found 6/11$2,945

Cheapflights Fare Finder

Customize your flight search to find flights from Oregon to Porto 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 June 12, 2025.
Use the filters below to find and compare flights from Oregon to Porto that are best for you.

Fly from

Oregon

Fly to

Porto

Route

Depart

Return

Price

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 12/3

9:55 am-11:45 pm

2 stops29h 50m

Porto

Wed 12/10

6:00 am-8:49 pm

2 stops22h 49m

$611

PortlandPorto

PDX - OPO

PDXOPO

Portland

Mon 12/1

6:30 pm-7:40 am

2 stops29h 10m

Porto

Wed 12/10

8:20 am-10:25 am

2 stops34h 05m

$612

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sun 11/30

5:00 am-3:15 pm

2 stops26h 15m

Porto

Tue 12/16

6:00 am-8:49 pm

2 stops22h 49m

$614

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 12/2

9:10 am-10:50 am

2 stops17h 40m

Porto

Thu 12/11

11:15 am-11:25 am

1 stop32h 10m

$629

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sun 11/30

1:25 pm-3:25 pm

1 stop18h 00m

Porto

Fri 12/12

5:00 am-11:25 am

1 stop14h 25m

$650

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sat 11/29

11:10 am-10:50 am

2 stops15h 40m

Porto

Sun 12/14

5:00 am-11:25 am

1 stop14h 25m

$729

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sat 10/18

3:25 pm-6:15 pm

2 stops42h 50m

Porto

Sun 10/26

6:15 am-2:44 pm

2 stops39h 29m

$745

EugenePorto

EUG - OPO

EUGOPO

Eugene

Wed 9/3

6:00 am-9:20 am

2 stops19h 20m

Porto

Mon 9/29

12:10 pm-12:12 pm

2 stops56h 02m

$963

PortlandPorto

PDX - OPO

PDXOPO

Portland

Mon 8/11

11:35 am-3:55 pm

2 stops20h 20m

Porto

Sun 8/17

8:15 am-9:15 pm

2 stops21h 00m

$1,027

PortlandPorto

PDX - OPO

PDXOPO

Portland

Mon 7/28

12:59 am-11:40 am

2 stops26h 41m

Porto

Tue 8/12

12:20 pm-11:20 pm

2 stops19h 00m

$1,395

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Oregon to Porto

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

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

Currently, January is the cheapest month in which you can book a flight from Oregon to Porto (average of $523). Flying from Oregon to Porto in June is currently the most expensive (average of $1,047). 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 OPO?

Find hourly flight availability from Oregon to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated June 12, 2025.
See what other customers who have flown with Delta, KLM and United Airlines from Oregon to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 Oregon to Porto. 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 into for flights to Porto from Oregon?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from Oregon to Porto.

  • What are the cheapest airlines to fly from Oregon to Porto one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $535. Users have also found prices from $578 and $583 on Air Canada and United Airlines, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Oregon to Porto (average of $523). Flying from Oregon to Porto in June is currently the most expensive (average of $1,047). 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 Oregon?

Book flights to Oregon if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Alternative routes for Oregon to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Oregon to Porto

Discover the top 4 airlines that operate flights from Oregon to Porto. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$658Average$1,224FlexibilityNo cancel feeOn-time67%
DeltaCheapest$704Average$1,089FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$731Average$1,185FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$743Average$1,208FlexibilityNo cancel feeOn-time69%

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