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$332+ Cheap flights from Arizona 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — OPO
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Arizona to Porto

Keep the following information in mind while searching for Arizona to Porto flight deals. Data was last updated September 17, 2025.

Round-trip from

$532
(United Airlines)

One-way from

$332
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$742
From Arizona to Porto
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One-way flight from Arizona to Porto
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Highest demand for flights based on searches. 11% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($64 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 Arizona to Porto

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

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.
Mon 10/2710:57 pmPHX - OPO
1 stop27h 33mUnited Airlines
Wed 11/126:00 amOPO - PHX
2 stops21h 43mUnited Airlines
Deal found 9/15$532
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/412:50 pmPHX - OPO
1 stop13h 40mUnited Airlines
Sun 11/96:00 amOPO - PHX
2 stops23h 44mUnited Airlines
Deal found 9/17$590
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:00 amPHX - OPO
2 stops19h 40mAmerican Airlines
Fri 1/308:20 amOPO - PHX
2 stops19h 30mAmerican Airlines
Deal found 9/15$598
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:50 pmPHX - OPO
1 stop35h 40mMultiple Airlines
Fri 1/3011:20 amOPO - PHX
2 stops18h 32mMultiple Airlines
Deal found 9/16$599
This Ovago deal was found by Cheapflights users on 9/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:20 amPHX - OPO
2 stops20h 25mBritish Airways
Fri 1/308:20 amOPO - PHX
2 stops22h 16mBritish Airways
Deal found 9/17$621
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.
Thu 10/307:30 amPHX - OPO
2 stops19h 00mUnited Airlines
Thu 11/612:35 pmOPO - PHX
2 stops27h 43mUnited Airlines
Deal found 9/15$622
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/153:45 pmPHX - OPO
2 stops18h 45mMultiple Airlines
Wed 10/2211:10 amOPO - PHX
2 stops20h 15mMultiple Airlines
Deal found 9/15$626
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:00 amPHX - OPO
2 stops20h 30mDelta
Fri 1/3011:20 amOPO - PHX
2 stops18h 32mDelta
Deal found 9/15$628
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.
Mon 12/2912:45 amPHX - OPO
2 stops27h 55mUnited Airlines
Fri 1/3012:30 pmOPO - PHX
2 stops41h 29mUnited Airlines
Deal found 9/15$636
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/13:44 pmPHX - OPO
2 stops24h 56mLufthansa
Sat 11/86:00 amOPO - PHX
2 stops20h 49mLufthansa
Deal found 9/15$652

Cheapflights Fare Finder

 
Customize your flight search to find flights from Arizona 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 September 17, 2025.
Use the filters below to find and compare flights from Arizona to Porto that are best for you.

Fly from

Arizona

Fly to

Porto

Route

Depart

Return

Price

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/27

10:57 pm-9:30 am

1 stop27h 33m

Porto

Wed 11/12

6:00 am-8:43 pm

2 stops21h 43m

$532

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 11/4

12:50 pm-9:30 am

1 stop13h 40m

Porto

Sun 11/9

6:00 am-10:44 pm

2 stops23h 44m

$590

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 10/30

7:30 am-9:30 am

2 stops19h 00m

Porto

Thu 11/6

12:35 pm-9:18 am

2 stops27h 43m

$622

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 11/1

3:44 pm-11:40 pm

2 stops24h 56m

Porto

Sat 11/8

6:00 am-7:49 pm

2 stops20h 49m

$652

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 10/8

12:11 pm-3:30 pm

2 stops19h 19m

Porto

Wed 10/15

6:15 am-10:26 pm

2 stops24h 11m

$657

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 9/23

3:05 pm-3:30 pm

1 stop16h 25m

Porto

Tue 10/7

6:15 am-7:05 pm

2 stops20h 50m

$702

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 9/23

12:16 pm-3:30 pm

2 stops19h 14m

Porto

Tue 10/7

6:15 am-11:13 pm

2 stops24h 58m

$706

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 10/1

8:00 am-2:30 pm

2 stops46h 30m

$332

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 12/13

8:25 pm-7:15 pm

1 stop15h 50m

$495

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 12/13

6:30 pm-10:25 pm

2 stops44h 55m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 12 results
1
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Best time to book a flight from Arizona to Porto

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

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

Currently, January is the cheapest month in which you can book a flight from Arizona to Porto (average of $523). Flying from Arizona to Porto in June is currently the most expensive (average of $1,028). 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 AZ to OPO?

Find hourly flight availability from Arizona 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 September 17, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Arizona 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 Arizona?

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

  • How long is the flight from Arizona to Porto?

    There are many flights that can get you from Arizona to Porto in 27h 33m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 5342 mi.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Arizona to Porto (average of $523). Flying from Arizona to Porto in June is currently the most expensive (average of $1,028). 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 Porto?

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

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Top 7 airlines flying from Arizona to Porto

Discover the top 7 airlines that operate flights from Arizona 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$568Average$697FlexibilityNo cancel feeOn-time67%
KLMCheapest$579Average$870FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$589Average$976FlexibilityNo cancel feeOn-time69%
DeltaCheapest$590Average$761FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$592Average$714FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$600Average$748FlexibilityNo cancel feeOn-time70%
Air TransatCheapest$797Average$807FlexibilityNo cancel feeOn-time50%

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