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$224+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — OPO
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap 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 December 26, 2025.

This KLM deal was found by Cheapflights users on 12/25. 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 40mKLM
Fri 1/305:00 amOPO - PHX
2 stops21h 13mKLM
Deal found 12/25$651
This Delta deal was found by Cheapflights users on 12/24. 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 12/306:00 amPHX - OPO
2 stops21h 30mDelta
Fri 1/305:00 amOPO - PHX
2 stops25h 15mDelta
Deal found 12/24$654
This United Airlines deal was found by Cheapflights users on 12/25. 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 12/286:45 amPHX - OPO
3 stops21h 55mUnited Airlines
Fri 1/3012:30 pmOPO - PHX
2 stops37h 52mUnited Airlines
Deal found 12/25$738
This United Airlines deal was found by Cheapflights users on 12/25. 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 12/306:45 amPHX - OPO
3 stops21h 55mUnited Airlines
Fri 1/3012:30 pmOPO - PHX
2 stops34h 27mUnited Airlines
Deal found 12/25$838
This Air France deal was found by Cheapflights users on 12/24. 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.
Thu 12/2512:15 pmPHX - OPO
2 stops20h 10mMultiple Airlines
Thu 1/111:20 amOPO - PHX
2 stops19h 33mMultiple Airlines
Deal found 12/24$1,344
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/24. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:48 amPHX - OPO
1 stop17h 02mMultiple Airlines
Fri 1/308:05 pmOPO - PHX
2 stops31h 44mMultiple Airlines
Deal found 12/24$1,478
This United Airlines deal was found by Cheapflights users on 12/25. 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 12/309:00 amPHX - OPO
2 stops19h 40mUnited Airlines
Mon 1/56:55 amOPO - PHX
2 stops20h 33mUnited Airlines
Deal found 12/25$1,708

Find flight deals from Arizona to Porto

Keep the following information in mind while searching for Arizona to Porto flight deals. Data was last updated December 26, 2025.

Round-trip from

$508
(Delta)

One-way from

$224
(KLM)

Popular in

December

Cheapest in

November

Average price

$1,168
From Arizona to Porto
Search Deals
One-way flight from Arizona to Porto
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 26, 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

Tue 2/10

6:20 am-10:30 am

2 stops21h 10m

Porto

Thu 2/19

5:00 am-10:15 pm

2 stops24h 15m

$564

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 3/30

12:10 pm-3:25 pm

2 stops19h 15m

Porto

Mon 4/20

4:20 pm-1:10 pm

1 stop28h 50m

$569

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

11:10 am-9:30 am

1 stop15h 20m

Porto

Wed 3/4

6:00 am-7:18 pm

2 stops20h 18m

$598

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/20

10:19 am-9:45 am

1 stop15h 26m

Porto

Thu 4/30

6:00 am-10:15 pm

2 stops24h 15m

$602

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 5/10

3:25 pm-3:25 pm

1 stop16h 00m

Porto

Fri 5/15

5:55 am-1:10 pm

1 stop15h 15m

$607

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 5/10

3:25 pm-3:25 pm

1 stop16h 00m

Porto

Fri 5/15

5:00 am-11:26 pm

2 stops26h 26m

$610

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 2/4

3:50 pm-10:25 am

1 stop35h 35m

Porto

Sun 2/8

5:00 am-9:02 pm

2 stops23h 02m

$611

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

8:25 am-9:30 am

2 stops18h 05m

Porto

Wed 3/4

6:00 am-7:18 pm

2 stops20h 18m

$612

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Fri 1/23

6:15 am-10:30 am

2 stops21h 15m

Porto

Wed 2/4

5:00 am-12:11 am

2 stops26h 11m

$614

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/26

3:25 pm-10:00 pm

1 stop22h 35m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 16 results
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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, November is the cheapest month in which you can book a flight from Arizona to Porto (average of $564). Flying from Arizona to Porto in June is currently the most expensive (average of $855). 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 December 26, 2025.

It’s optimal to fly from Arizona to Porto in the evening. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at noon.

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 15h 20m. Fly via Delta, Lufthansa, or United Airlines to get the fastest option. Airlines will cover a distance of 5342 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, November is the cheapest month in which you can book a flight from Arizona to Porto (average of $564). Flying from Arizona to Porto in June is currently the most expensive (average of $855). 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
Vila Nova de Gaia

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Arizona to Porto

Discover the top 6 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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$568Average$840FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$585Average$900FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$592Average$730FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$600Average$748FlexibilityNo cancel feeOn-time70%
DeltaCheapest$639Average$899FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$797Average$807FlexibilityNo cancel feeOn-time50%

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