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$463+ Cheap flights from Sky Harbor Intl (PHX) 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — OPO
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
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The best prices from Phoenix Sky Harbor Intl to Porto are usually found in February or November, booked 39 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Sky Harbor Intl to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 January 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$634
(Air Canada)

One-way from

$463
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$742
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Porto flights.
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From Phoenix Sky Harbor Intl to Porto
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One-way flight from Phoenix Sky Harbor Intl to Porto
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High demand for flights, 5% potential price rise
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Best time to find cheap flights, 6% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Sky Harbor Intl to Porto

Cheapest flights from Sky Harbor Intl to Porto
Explore the most affordable flight options available from Sky Harbor Intl to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

This Air Canada deal was found by Cheapflights users on 1/16. 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 2/172:15 pmPHX - OPO
2 stops38h 00mMultiple Airlines
Mon 2/244:25 pmOPO - PHX
2 stops51h 29mMultiple Airlines
Deal found 1/16$634
This Cheapflightsfares deal was found by Cheapflights users on 1/16. 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.
Thu 2/131:03 pmPHX - OPO
2 stops27h 32mLufthansa
Fri 2/216:30 amOPO - PHX
2 stops21h 59mLufthansa
Deal found 1/16$638
This United Airlines deal was found by Cheapflights users on 1/16. 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.
Thu 2/137:00 amPHX - OPO
3 stops25h 10mUnited Airlines
Fri 2/216:00 amOPO - PHX
2 stops22h 06mUnited Airlines
Deal found 1/16$677
This Delta deal was found by Cheapflights users on 1/17. 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.
Thu 2/137:15 amPHX - OPO
2 stops20h 15mDelta
Fri 2/216:15 amOPO - PHX
2 stops24h 44mDelta
Deal found 1/17$678
This American Airlines deal was found by Cheapflights users on 1/16. 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.
Tue 9/308:30 amPHX - OPO
2 stops19h 10mAmerican Airlines
Tue 10/712:20 pmOPO - PHX
2 stops19h 17mAmerican Airlines
Deal found 1/16$685
This Aeromexico deal was found by Cheapflights users on 1/17. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/173:55 pmPHX - OPO
1 stop35h 40mAir France
Mon 2/2411:45 amOPO - PHX
2 stops36h 38mAir France
Deal found 1/17$686
This CheapOair deal was found by Cheapflights users on 1/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/612:40 amPHX - OPO
2 stops29h 10mAir Canada
Sun 3/166:00 amOPO - PHX
2 stops35h 28mAir Canada
Deal found 1/15$731
This KLM deal was found by Cheapflights users on 1/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/193:05 pmPHX - OPO
1 stop16h 25mKLM
Sat 5/36:40 amOPO - PHX
2 stops22h 11mKLM
Deal found 1/15$746
This Ovago deal was found by Cheapflights users on 1/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:40 pmPHX - OPO
1 stop15h 50mBritish Airways
Sun 9/289:20 pmOPO - PHX
1 stop29h 10mBritish Airways
Deal found 1/15$765
This FlightHub deal was found by Cheapflights users on 1/16. 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.
Wed 6/1112:50 pmPHX - OPO
1 stop14h 55mAir Transat
Thu 7/101:30 pmOPO - PHX
1 stop30h 19mAir Transat
Deal found 1/16$824
This FlightHub deal was found by Cheapflights users on 1/16. 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.
Mon 6/911:59 pmPHX - OPO
2 stops30h 26mTAP AIR PORTUGAL
Sun 7/66:05 pmOPO - PHX
1 stop34h 43mTAP AIR PORTUGAL
Deal found 1/16$1,459
This AranGrant deal was found by Cheapflights users on 1/16. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/143:15 pmPHX - OPO
2 stops16h 40mIberia
Mon 4/284:35 pmOPO - PHX
2 stops34h 21mIberia
Deal found 1/16$1,541

Find flights from Sky Harbor Intl to Porto within your budget

Customize your flight search to find flights from Sky Harbor Intl 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 January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 2/17

2:15 pm-11:15 am

2 stops38h 00m

Porto

Mon 2/24

4:25 pm-12:54 pm

2 stops51h 29m

$634

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/13

1:03 pm-11:35 pm

2 stops27h 32m

Porto

Fri 2/21

6:30 am-9:29 pm

2 stops21h 59m

$638

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/13

7:00 am-3:10 pm

3 stops25h 10m

Porto

Fri 2/21

6:00 am-9:06 pm

2 stops22h 06m

$677

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/13

7:15 am-10:30 am

2 stops20h 15m

Porto

Fri 2/21

6:15 am-11:59 pm

2 stops24h 44m

$678

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 2/17

3:55 pm-10:35 am

1 stop35h 40m

Porto

Mon 2/24

11:45 am-5:23 pm

2 stops36h 38m

$686

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 3/6

12:40 am-12:50 pm

2 stops29h 10m

Porto

Sun 3/16

6:00 am-10:28 am

2 stops35h 28m

$731

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 4/19

3:05 pm-3:30 pm

1 stop16h 25m

Porto

Sat 5/3

6:40 am-8:51 pm

2 stops22h 11m

$746

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 6/11

12:50 pm-11:45 am

1 stop14h 55m

Porto

Thu 7/10

1:30 pm-11:49 am

1 stop30h 19m

$824

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 6/17

8:40 pm-8:50 am

1 stop28h 10m

Porto

Fri 7/25

9:15 pm-6:30 pm

1 stop29h 15m

$1,218

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 6/9

11:59 pm-2:25 pm

2 stops30h 26m

Porto

Sun 7/6

6:05 pm-8:48 pm

1 stop34h 43m

$1,459

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 19 results
1
2

Compare providers for flights from Sky Harbor Intl 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 Sky Harbor Intl to Porto in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 Phoenix Sky Harbor Intl Airport-Porto flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Phoenix Sky Harbor Intl Airport-Porto flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Porto flights, Cheapflights users trust AranGrant the most. AranGrant 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 Phoenix Sky Harbor Intl Airport-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 Sky Harbor Intl to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Sky Harbor Intl 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.

Travel insights for flights from Sky Harbor Intl to Porto

Get recent, data-driven insights about flights from Sky Harbor Intl to Porto including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Porto. Price data was last updated on January 10, 2025.

The best time to book flights from Phoenix Sky Harbor Intl Airport to Porto is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Porto?

Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Porto (average of $523). Flying from Phoenix Sky Harbor Intl Airport to Porto in June is currently the most expensive (average of $1,083). 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 PHX to OPO?

Find hourly flight availability from Sky Harbor Intl 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 January 17, 2025.

It’s typically best to fly out from Phoenix Sky Harbor Intl Airport to Porto in the afternoon. Doing so could potentially save you 20% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Porto?

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

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Porto flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 January 17, 2025.
Delta
8.0
Very good
8,511 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
8,511 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

SWISS
7.5
Good
1,598 reviews
Delta
8.0
Very good
8,511 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Air France
7.4
Good
1,487 reviews
Delta
8.0
Very good
8,511 reviews

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl 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 Phoenix Sky Harbor Intl?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from Phoenix Sky Harbor Intl to Porto. 6 airlines have flights to Porto from Phoenix Sky Harbor Intl on a regular basis. Booking flights from Phoenix Sky Harbor Intl to Porto should not be difficult; the airport handles an average of 0 inbound flights from Phoenix Sky Harbor Intl per day.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Porto round-trip?

    Flying on Lufthansa is currently your cheapest option to Porto, with prices starting at $638. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $677 and $678, respectively. Users have found that Lufthansa is 29% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Porto one-way?

    For one-way options, check prices for SWISS. According to our data, you can fly for as low as $536. Users have also found prices from $725 and $802 on TAP AIR PORTUGAL and Air Canada, respectively.

  • Can I find deals for flights from Sky Harbor Intl to Porto that include hotel bookings?

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

  • How can I find direct flights from Sky Harbor Intl to Porto?

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

  • Can I find deals for business class flights from Sky Harbor Intl to Porto?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Porto?

    Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Porto (average of $523). Flying from Phoenix Sky Harbor Intl Airport to Porto in June is currently the most expensive (average of $1,083). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Alternative routes for Sky Harbor Intl 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 Sky Harbor Intl to Porto

Discover the top 6 airlines that operate flights from Sky Harbor Intl 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 January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$483Average$879FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$545Average$691FlexibilityNo cancel feeOn-time71%
DeltaCheapest$605Average$917FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$640Average$1,199FlexibilityNo cancel feeOn-time69%
KLMCheapest$674Average$892FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$860Average$1,218FlexibilityNo cancel feeOn-time76%
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