What are the cheapest airlines flying from Portland to Porto round-trip?

According to our current data, Delta ($731), KLM ($777), and Lufthansa ($822) offers the cheapest pricing from Portland to Porto. Delta is currently priced 33% below the average price you’ll pay for this route.

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

$556 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $606 and $848, respectively.

What are the most popular airlines that fly from Portland to Porto?

Air Canada, Delta and KLM are the most popular airlines when flying from Portland to Porto.

What is the cheapest day to fly round-trip from Portland to Porto?

Users have found that flying from Portland to Porto on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Portland to Porto?

Users have found that booking a flight from Portland to Porto at least 59 days early can save you up to 172% on average compared to booking a flight this week. If booking 59 days before your flight isn’t an option for you, users have found flights from Portland to Porto for as little as $878 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,921 for flights departing within the next 3 days.

What is the cheapest month to fly from Portland to Porto?

Our data shows that February tends to be the cheapest month to fly to Porto from Portland. Users have commonly found prices around $1,091 for the month, but tickets can be as low as $693. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on Portland-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Porto flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Portland to Porto?

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

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

Yes. Cheapflights offers flight deals from Portland 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.

$405+ Flights from Portland to Porto

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Find cheap flights from Portland to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Portland to Porto are usually found in February or November, booked 74 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Portland to Porto

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$731 (Delta)
One-way from	$405 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$1,133

Provider with most accurate pricing for Portland-Porto flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Porto flights.

Search Deals

From Portland to Porto

Search Deals

One-way flight from Portland to Porto

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($270 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Portland to Porto

Cheapest flights from Portland to Porto
Explore the most affordable flight options available from Portland to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Wed 4/231:55 pmPDX - OPO

2 stops17h 40mDelta

Fri 5/26:40 amOPO - PDX

2 stops25h 16mDelta

Deal found 3/24

$731

Wed 4/231:15 pmPDX - OPO

1 stop22h 20mKLM

Fri 5/26:40 amOPO - PDX

2 stops20h 30mKLM

Deal found 3/24

$777

Wed 4/239:55 amPDX - OPO

2 stops28h 50mLufthansa

Fri 5/212:05 pmOPO - PDX

2 stops38h 12mLufthansa

Deal found 3/25

$822

Wed 4/239:55 amPDX - OPO

2 stops21h 50mUnited Airlines

Fri 5/26:00 amOPO - PDX

3 stops24h 36mUnited Airlines

Deal found 3/24

$883

Wed 9/31:00 pmPDX - OPO

2 stops44h 05mScandinavian Airlines

Wed 9/1711:50 amOPO - PDX

2 stops42h 28mScandinavian Airlines

Deal found 3/24

$909

Mon 9/110:10 amPDX - OPO

2 stops15h 25mAir Canada

Sat 9/206:00 amOPO - PDX

2 stops20h 46mAir Canada

Deal found 3/24

$917

Wed 4/2310:10 amPDX - OPO

2 stops26h 35mMultiple Airlines

Fri 5/211:55 amOPO - PDX

3 stops32h 57mMultiple Airlines

Deal found 3/25

$985

Fri 6/611:10 pmPDX - OPO

1 stop27h 45mTAP AIR PORTUGAL

Tue 6/176:05 pmOPO - PDX

2 stops36h 05mTAP AIR PORTUGAL

Deal found 3/25

$1,237

Sun 8/101:43 amPDX - OPO

2 stops25h 57mBritish Airways

Thu 8/219:40 amOPO - PDX

1 stop15h 55mBritish Airways

Deal found 3/25

$1,361

Fri 9/57:00 amPDX - OPO

2 stops19h 50mAir Europa

Sat 9/2011:35 amOPO - PDX

2 stops19h 52mAir Europa

Deal found 3/24

$2,993

Best flights from Portland to Porto
Discover carefully curated flight deals from Portland to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Wed 4/231:55 pmPDX - OPO

2 stops17h 40mDelta

Fri 5/26:40 amOPO - PDX

2 stops25h 16mDelta

Deal found 3/24

$731

Wed 4/231:15 pmPDX - OPO

1 stop22h 20mKLM

Fri 5/26:40 amOPO - PDX

2 stops20h 30mKLM

Deal found 3/24

$777

Wed 4/239:55 amPDX - OPO

2 stops28h 50mLufthansa

Fri 5/212:05 pmOPO - PDX

2 stops38h 12mLufthansa

Deal found 3/25

$822

Wed 4/239:55 amPDX - OPO

2 stops21h 50mUnited Airlines

Fri 5/26:00 amOPO - PDX

3 stops24h 36mUnited Airlines

Deal found 3/24

$883

Wed 9/31:00 pmPDX - OPO

2 stops44h 05mScandinavian Airlines

Wed 9/1711:50 amOPO - PDX

2 stops42h 28mScandinavian Airlines

Deal found 3/24

$909

Mon 9/16:15 amPDX - OPO

2 stops19h 20mAir Canada

Sun 9/216:00 amOPO - PDX

2 stops35h 31mAir Canada

Deal found 3/24

$917

Wed 4/2310:10 amPDX - OPO

2 stops26h 35mMultiple Airlines

Fri 5/211:55 amOPO - PDX

3 stops32h 57mMultiple Airlines

Deal found 3/25

$985

Fri 6/611:10 pmPDX - OPO

1 stop27h 45mTAP AIR PORTUGAL

Tue 6/176:05 pmOPO - PDX

2 stops36h 05mTAP AIR PORTUGAL

Deal found 3/25

$1,237

Sun 8/101:43 amPDX - OPO

2 stops25h 57mBritish Airways

Thu 8/219:40 amOPO - PDX

1 stop15h 55mBritish Airways

Deal found 3/25

$1,361

Fri 9/57:00 amPDX - OPO

2 stops19h 50mAir Europa

Sat 9/2011:35 amOPO - PDX

2 stops19h 52mAir Europa

Deal found 3/24

$2,993

Last-minute flights from Portland to Porto
Discover last-minute flight deals from Portland to Porto. Data last updated March 26, 2025 and is based on user searches.

Tue 4/19:55 amPDX - OPO

2 stops29h 25mMultiple Airlines

Sat 4/127:20 pmOPO - PDX

2 stops35h 37mMultiple Airlines

Deal found 3/24

$1,449

Tue 4/17:54 amPDX - OPO

2 stops17h 51mUnited Airlines

Sat 4/1212:35 pmOPO - PDX

1 stop17h 19mUnited Airlines

Deal found 3/24

$1,458

Tue 4/110:10 amPDX - OPO

2 stops29h 10mLufthansa

Sat 4/124:35 pmOPO - PDX

2 stops34h 10mLufthansa

Deal found 3/24

$2,609

Tue 4/110:33 amPDX - OPO

2 stops24h 57mBritish Airways

Sat 4/1210:40 amOPO - PDX

2 stops35h 43mBritish Airways

Deal found 3/25

$2,839

Wed 4/231:55 pmPDX - OPO

2 stops17h 40mDelta

Fri 5/26:40 amOPO - PDX

2 stops25h 16mDelta

Deal found 3/24

$731

Wed 4/231:15 pmPDX - OPO

1 stop22h 20mKLM

Fri 5/26:40 amOPO - PDX

2 stops20h 30mKLM

Deal found 3/24

$777

Wed 4/239:55 amPDX - OPO

2 stops28h 50mLufthansa

Fri 5/212:05 pmOPO - PDX

2 stops38h 12mLufthansa

Deal found 3/25

$822

Wed 4/239:55 amPDX - OPO

2 stops21h 50mUnited Airlines

Fri 5/26:00 amOPO - PDX

3 stops24h 36mUnited Airlines

Deal found 3/24

$883

Wed 4/231:00 pmPDX - OPO

2 stops44h 05mScandinavian Airlines

Fri 5/25:55 pmOPO - PDX

2 stops36h 43mScandinavian Airlines

Deal found 3/25

$967

Wed 4/2310:10 amPDX - OPO

2 stops26h 35mMultiple Airlines

Fri 5/211:55 amOPO - PDX

3 stops32h 57mMultiple Airlines

Deal found 3/25

$985

One-way flights from Portland to Porto
Search for one-way flight options from Portland to Porto. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Sat 6/141:45 pmPDX - OPO

2 stops36h 20mMultiple Airlines

Deal found 3/25

$405

Sat 5/171:00 pmPDX - OPO

2 stops38h 10mScandinavian Airlines

Deal found 3/25

$556

Sat 5/171:45 pmPDX - OPO

3 stops37h 30mUnited Airlines

Deal found 3/24

$606

Sun 6/157:40 pmPDX - OPO

2 stops29h 55mAir Canada

Deal found 3/25

$848

Wed 6/41:15 pmPDX - OPO

1 stop25h 00mKLM

Deal found 3/24

$878

Sat 5/1711:10 pmPDX - OPO

1 stop27h 25mTAP AIR PORTUGAL

Deal found 3/24

$882

Fri 6/1312:59 amPDX - OPO

2 stops35h 31mBritish Airways

Deal found 3/25

$1,193

Tue 4/13:25 pmPDX - OPO

2 stops23h 55mLufthansa

Deal found 3/24

$1,290

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 4/23

1:55 pm-3:35 pm

2 stops17h 40m

Porto

Fri 5/2

6:40 am-11:56 pm

2 stops25h 16m

$731

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 4/23

1:15 pm-7:35 pm

1 stop22h 20m

Porto

Fri 5/2

6:40 am-7:10 pm

2 stops20h 30m

$777

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 4/23

9:55 am-10:45 pm

2 stops28h 50m

Porto

Fri 5/2

12:05 pm-6:17 pm

2 stops38h 12m

$822

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 4/23

9:55 am-3:45 pm

2 stops21h 50m

Porto

Fri 5/2

6:00 am-10:36 pm

3 stops24h 36m

$883

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 4/23

1:00 pm-5:05 pm

2 stops44h 05m

Porto

Fri 5/2

5:55 pm-10:38 pm

2 stops36h 43m

$967

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 4/23

10:10 am-8:45 pm

2 stops26h 35m

Porto

Fri 5/2

11:55 am-12:52 pm

3 stops32h 57m

$985

PortlandPorto

PDX - OPO

PDXOPO

Portland

Fri 6/6

7:40 pm-9:35 am

2 stops29h 55m

Porto

Tue 6/17

6:00 am-6:45 pm

2 stops20h 45m

$1,222

PortlandPorto

PDX - OPO

PDXOPO

Portland

Fri 6/6

11:10 pm-10:55 am

1 stop27h 45m

Porto

Tue 6/17

6:05 pm-10:10 pm

2 stops36h 05m

$1,237

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 4/1

10:33 am-7:30 pm

2 stops24h 57m

Porto

Sat 4/12

10:40 am-2:23 pm

2 stops35h 43m

$2,839

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sat 6/14

1:45 pm-10:05 am

2 stops36h 20m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 17 results

Compare providers for flights from Portland to Porto

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Porto in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
SmartFares	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Portland-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Porto flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Porto

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

How far ahead should I book a flight from Portland to Porto?

To ensure you get the cheapest price possible for a flight from Portland to Porto, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Portland to Porto (average of $523). Flying from Portland to Porto in June is currently the most expensive (average of $1,082). 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 OPO?

A simple way to save on the total cost of your ticket is to fly from Portland to Porto at noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Portland to Porto?

Travelers seeking maximum savings on their Portland to Porto flight should consider departing on Wednesday at noon when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Porto 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

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

Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Portland to Porto to help guide your decision. 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

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,891 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,318 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,608 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Scandinavian Airlines

7.3

Good

1,325 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

TAP AIR PORTUGAL

7.1

Good

1,825 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Portland to Porto round-trip?
According to our current data, Delta ($731), KLM ($777), and Lufthansa ($822) offers the cheapest pricing from Portland to Porto. Delta is currently priced 33% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Portland to Porto one-way?
$556 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $606 and $848, respectively.
Can I find deals for flights from Portland to Porto that include hotel bookings?
Yes. In addition to deals on Portland to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Porto.
Can I find deals for business class flights from Portland to Porto?
Yes. Cheapflights offers flight deals from Portland 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 Portland to Porto?
Currently, January is the cheapest month in which you can book a flight from Portland to Porto (average of $523). Flying from Portland to Porto in June is currently the most expensive (average of $1,082). 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

Aveiro

Coimbra

Matosinhos

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Alternative routes for Portland to Porto

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Other flights to Porto

Top 4 airlines flying from Portland to Porto

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$658	Average$1,224	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$704	Average$1,092	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$733	Average$1,296	FlexibilityNo cancel fee	On-time69%
KLM	Cheapest$758	Average$1,088	FlexibilityNo cancel fee	On-time75%

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$405+ Cheap flights from Portland (PDX) 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Portland to Porto are usually found in February or November, booked 74 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Portland to Porto

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Porto

Cheapest flights from Portland to PortoExplore the most affordable flight options available from Portland to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Explore the most affordable flight options available from Portland to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Porto that are best for you.

Compare providers for flights from Portland to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Porto in March.

Best time to book a flight from Portland to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Portland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portland to Porto

How far ahead should I book a flight from Portland to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Porto. Price data was last updated on March 21, 2025.

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

What is the cheapest time of day to fly from PDX to OPO?

Find hourly flight availability from Portland 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 March 26, 2025.

What is the cheapest day to fly from Portland to Porto?

Use this chart to determine the cheapest time to fly round-trip from Portland to Porto. Price data was last updated on December 16, 2024.

Rainfall in Porto by month

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

Temperature in Porto by month

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

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 March 26, 2025.

Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Portland to Porto to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portland to Porto. 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 Portland to Porto round-trip?

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

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

How can I find direct flights from Portland to Porto?

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

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

Traveling to a place near Portland?

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Alternative routes for Portland to Porto

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Portland to Porto

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Cheapest flights from Portland to Porto
Explore the most affordable flight options available from Portland to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.