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Cheap flights from Portland (PDX) to Porto (OPO) from $592

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PDX — OPO
May 9 — May 161
From?
To?
Thu 5/9
Thu 5/16
1 adult, Economy
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The best prices from Portland to Porto are usually found in January or November, booked 55 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Portland to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 4, 2024.

Popular in

June

Cheapest in

January

Average price

$1,605

Round-trip from

$523
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 36% potential price drop
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Average for round-trip flights in May 2024
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From Portland to Porto
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What is the cheapest day to fly round-trip from Portland to Porto?

Users have found that flying from Portland to Porto on a Wednesday 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 56 days early can save you up to 159% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from Portland to Porto for as little as $1,150 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 $1,688 for flights departing within the next 3 days.

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

Our data shows that January tends to be the cheapest month to fly to Porto from Portland. Users have commonly found prices around $1,175 for the month, but tickets can be as low as $583. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Portland to Porto (PDX - OPO)?

A simple way to save on the total cost of your ticket is to fly from Portland to Porto in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

Cheap SWISS flights from Portland to Porto

Explore cheap flight options specifically provided by SWISS for the route between Portland and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Check out some of the cheapest SWISS flights we've come across from Portland to Porto. Make sure to double check the flight details before booking.
Fri 8/307:01 amPDX - OPO
2 stops27h 29mSWISS
Tue 9/108:40 amOPO - PDX
2 stops17h 37mSWISS
Deal found 5/3$980
Sat 8/317:01 amPDX - OPO
2 stops27h 29mSWISS
Fri 9/67:20 pmOPO - PDX
2 stops35h 09mSWISS
Deal found 5/3$1,040

Cheap United Airlines flights from Portland to Porto

Explore cheap flight options specifically provided by United Airlines for the route between Portland and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from Portland to Porto. Check back soon if you're not seeing flights that suit your needs.
Tue 6/1110:23 amPDX - OPO
1 stop15h 22mUnited Airlines
Fri 6/2812:35 pmOPO - PDX
1 stop17h 23mUnited Airlines
Deal found 5/3$1,011
Mon 6/1012:15 amPDX - OPO
2 stops22h 40mUnited Airlines
Fri 6/289:00 amOPO - PDX
2 stops21h 41mUnited Airlines
Deal found 5/3$1,015
Mon 5/2712:15 amPDX - OPO
2 stops22h 40mUnited Airlines
Wed 6/129:00 amOPO - PDX
2 stops21h 26mUnited Airlines
Deal found 5/3$1,072
Fri 6/710:23 amPDX - OPO
1 stop15h 22mUnited Airlines
Sun 6/1612:35 pmOPO - PDX
1 stop17h 08mUnited Airlines
Deal found 5/3$1,111
Thu 6/612:15 amPDX - OPO
2 stops22h 40mUnited Airlines
Sun 6/1612:35 pmOPO - PDX
1 stop17h 08mUnited Airlines
Deal found 5/3$1,115
Thu 6/2012:15 amPDX - OPO
2 stops22h 40mUnited Airlines
Sat 6/2912:35 pmOPO - PDX
1 stop16h 08mUnited Airlines
Deal found 5/3$1,194
Wed 6/1211:50 pmPDX - OPO
2 stops25h 55mUnited Airlines
Sun 6/239:00 amOPO - PDX
2 stops21h 36mUnited Airlines
Deal found 5/4$1,272
Fri 8/304:01 pmPDX - OPO
3 stops33h 44mUnited Airlines
Tue 9/106:00 amOPO - PDX
2 stops38h 24mUnited Airlines
Deal found 5/3$1,305
Tue 6/1112:15 amPDX - OPO
2 stops22h 40mUnited Airlines
Sun 6/2312:35 pmOPO - PDX
2 stops27h 08mUnited Airlines
Deal found 5/4$1,437

Cheap Portland to Porto flights in May & June 2024

Find cheap flight options from Portland to Porto specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Prices were last updated on May 4, 2024.
The lowest fares we've come across on flights traveling from Portland to Porto in May and June 2024. More deals are always being added, so be sure to check back regularly.
Tue 6/1110:23 amPDX - OPO
1 stop15h 22mUnited Airlines
Fri 6/2812:35 pmOPO - PDX
1 stop17h 23mUnited Airlines
Deal found 5/3$1,011
Mon 6/1012:15 amPDX - OPO
2 stops22h 40mUnited Airlines
Fri 6/2812:35 pmOPO - PDX
1 stop17h 23mUnited Airlines
Deal found 5/3$1,015
Tue 6/116:00 amPDX - OPO
2 stops21h 20mAir Canada
Thu 6/273:05 amOPO - PDX
2 stops27h 16mAir Canada
Deal found 5/4$1,039
Sun 6/27:00 amPDX - OPO
2 stops18h 45mUnited Airlines
Sun 6/912:35 pmOPO - PDX
1 stop17h 08mUnited Airlines
Deal found 5/4$1,065
Tue 5/286:53 amPDX - OPO
2 stops18h 52mUnited Airlines
Wed 6/129:00 amOPO - PDX
2 stops21h 26mUnited Airlines
Deal found 5/4$1,068
Mon 5/2712:15 amPDX - OPO
2 stops22h 40mUnited Airlines
Wed 6/129:00 amOPO - PDX
2 stops21h 26mUnited Airlines
Deal found 5/3$1,072
Sun 6/22:15 pmPDX - OPO
1 stop24h 00mKLM
Sun 6/95:00 amOPO - PDX
1 stop15h 00mKLM
Deal found 5/4$1,090
Tue 5/282:15 pmPDX - OPO
1 stop24h 00mKLM
Wed 6/125:00 amOPO - PDX
1 stop15h 00mKLM
Deal found 5/3$1,097
Fri 6/710:23 amPDX - OPO
1 stop15h 22mMultiple Airlines
Sun 6/168:40 amOPO - PDX
2 stops17h 35mMultiple Airlines
Deal found 5/3$1,104

Portland to Porto 2024 flight deals

Discover exclusive flight deals for travel between Portland and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
The lowest fares we've come across on flights traveling from Portland to Porto in May and June 2024. More deals are always being added, so be sure to check back regularly.
Sun 11/1010:40 amPDX - OPO
2 stops16h 55mLufthansa
Sun 11/176:00 amOPO - PDX
2 stops22h 49mLufthansa
Deal found 5/3$767
Sun 11/1011:07 amPDX - OPO
2 stops20h 38mUnited Airlines
Sun 11/176:00 amOPO - PDX
3 stops37h 59mUnited Airlines
Deal found 5/3$772
Sun 11/101:05 pmPDX - OPO
1 stop18h 20mKLM
Sun 11/174:10 pmOPO - PDX
1 stop26h 50mKLM
Deal found 5/3$778
Sun 11/101:50 pmPDX - OPO
2 stops17h 35mKLM
Sun 11/174:10 pmOPO - PDX
1 stop26h 50mKLM
Deal found 5/3$782
Sat 8/2411:40 pmPDX - OPO
2 stops28h 25mAir Canada
Tue 9/108:40 amOPO - PDX
2 stops21h 32mAir Canada
Deal found 5/4$886
Fri 8/307:01 amPDX - OPO
2 stops27h 29mSWISS
Wed 9/118:40 amOPO - PDX
2 stops17h 37mSWISS
Deal found 5/3$980
Tue 6/1110:23 amPDX - OPO
1 stop15h 22mUnited Airlines
Fri 6/2812:35 pmOPO - PDX
1 stop17h 23mUnited Airlines
Deal found 5/3$1,011
Mon 6/1012:15 amPDX - OPO
2 stops22h 40mUnited Airlines
Fri 6/2812:35 pmOPO - PDX
1 stop17h 23mUnited Airlines
Deal found 5/3$1,015
Tue 6/116:00 amPDX - OPO
2 stops21h 20mAir Canada
Thu 6/273:05 amOPO - PDX
2 stops27h 16mAir Canada
Deal found 5/4$1,039

One-way flights to Porto from Portland

Search for one-way flight options from Portland to Porto. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Users traveling one-way from Portland to Porto can select one of these great deals. Users can also find round-trip Portland to Porto flights by using the search form above.
Thu 10/106:00 amPDX - OPO
2 stops28h 30mAir Canada
Deal found 5/3$592
Wed 9/186:00 amPDX - OPO
2 stops33h 20mMultiple Airlines
Deal found 5/3$594
Thu 10/102:20 pmPDX - OPO
1 stop17h 20mKLM
Deal found 5/3$604
Tue 8/272:00 pmPDX - OPO
2 stops18h 10mMultiple Airlines
Deal found 5/3$661
Wed 9/182:20 pmPDX - OPO
1 stop23h 55mKLM
Deal found 5/3$689
Tue 8/273:55 pmPDX - OPO
3 stops22h 20mMultiple Airlines
Deal found 5/3$693
Wed 9/1811:51 pmPDX - OPO
3 stops25h 19mMultiple Airlines
Deal found 5/3$704
Tue 8/273:55 pmPDX - OPO
1 stop22h 55mMultiple Airlines
Deal found 5/3$825
Thu 10/103:59 pmPDX - OPO
3 stops33h 46mUnited Airlines
Deal found 5/3$828

Find flights from Portland to Porto within your budget

Customize your flight search to find flights from Portland 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 2,795,183 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$980 - $1,485

Route

Depart

Return

Price

PortlandPorto

PDX - OPO

PDXOPO

Portland

Fri 8/30

2 stops27h 29m

Porto

Tue 9/10

2 stops17h 37m

$980

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 6/11

1 stop15h 22m

Porto

Fri 6/28

1 stop17h 23m

$1,011

PortlandPorto

PDX - OPO

PDXOPO

Portland

Mon 6/10

2 stops22h 40m

Porto

Fri 6/28

2 stops21h 41m

$1,015

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sat 8/31

2 stops27h 29m

Porto

Fri 9/6

2 stops35h 09m

$1,040

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 5/28

1 stop24h 00m

Porto

Wed 6/12

1 stop15h 00m

$1,097

PortlandPorto

PDX - OPO

PDXOPO

Portland

Fri 6/7

1 stop15h 22m

Porto

Sun 6/16

2 stops17h 35m

$1,104

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sat 6/22

2 stops34h 35m

Porto

Sat 6/29

2 stops27h 16m

$1,158

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 6/12

2 stops20h 00m

Porto

Sun 6/23

1 stop15h 00m

$1,160

PortlandPorto

PDX - OPO

PDXOPO

Portland

Thu 8/29

2 stops46h 36m

Porto

Wed 9/11

2 stops21h 34m

$1,485

Flights are sorted by cheapest first

Deals found on 5/3

When is the best time to 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 January 28, 2024.
To ensure you get the cheapest price possible for a flight from Portland to Porto, you should look to book at least 55 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.
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When is the cheapest time 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 April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland to Porto flight should consider departing on Monday evenings 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.
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Average price of flights to Porto by month

Plan your trip from Portland to Porto by taking into account the cheapest months to travel. The average price of a one-way flight from Portland to Porto is currently $688 while a round-trip flight costs $1,117. Price data was last updated on April 28, 2024.

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 $1,027). 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.

January

$523

February

$581

March

$599

April

$742

May

$883

June

$1,027

July

$985

August

$866

September

$759

October

$698

November

$548

December

$645

Temperature and rainfall in Porto by month

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

OPO

Temperature

48.2 - 68 °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 May 4, 2024.
Peruse reviews from past customers who have flown with SWISS, United Airlines and KLM 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
8.1
Very good
10,838 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,838 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,604 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

SWISS
7.8
Good
2,019 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

WestJet
7.6
Good
2,962 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,728 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.

  • Can I find flights from Portland to Porto for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Portland to Porto for under $1,000. The cheapest flight booked recently is on SWISS for just $980, but on average you can expect to pay $1,116.

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

    According to our current data, SWISS ($980), United Airlines ($1,011), and KLM ($1,097) offers the cheapest pricing from Portland to Porto. SWISS is currently priced 16% below the average price you’ll pay for this route.

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

    $592 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on KLM and United Airlines, with prices starting from $604 and $828, respectively.

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

    British Airways, Delta and Iberia are the most popular airlines when flying from Portland to Porto.

  • What does PDX to OPO mean?

    Portland Airport is PDX and Porto Airport is OPO. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Portland to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Porto flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Porto flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Portland to Porto that allow pets onboard?

    Many airlines flying from Portland to Porto offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to Porto?

    Yes, you can often find last-minute deals on Portland to Porto flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland to Porto flight deals updated?

    The Portland to Porto flight deals you see on this page were last updated on 5/4.

See more FAQs

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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.

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Top 6 airlines flying from Portland to Porto

Discover the top 6 airlines that operate flights from Portland 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 2,795,183 searches. Data last updated May 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$505Average$882FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest$668Average$1,052FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest$733Average$1,074FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest$779Average$1,515FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$792Average$1,134FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest$819Average$1,066FlexibilityNo cancel feeOn-time70%
Search British Airways flights
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Search flights from Portland to Porto by cabin class

Find flights from Portland to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to Porto?

Cheapflights helps you search for flights from Portland to Porto via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portland to Porto?

Cheapflights simply makes it quick and affordable to book flights from Portland to Porto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portland to Porto with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portland to Porto flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Portland to Porto become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Porto from Portland today and book when prices fit your budget.

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