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$340+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — OPO
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$629
(Booking.com)

One-way from

$340
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,019
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 ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 11/512:50 pmPHX - OPO
1 stop13h 40mUnited Airlines
Wed 11/126:00 amOPO - PHX
2 stops22h 21mUnited Airlines
Deal found 7/31$589
This Air Canada deal was found by Cheapflights users on 7/29. 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 11/178:00 amPHX - OPO
2 stops20h 15mAir Canada
Tue 12/26:00 amOPO - PHX
2 stops36h 49mAir Canada
Deal found 7/29$602
This SWISS deal was found by Cheapflights users on 7/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:44 pmPHX - OPO
2 stops35h 31mSWISS
Mon 12/112:05 pmOPO - PHX
2 stops40h 54mSWISS
Deal found 7/29$617
This Delta deal was found by Cheapflights users on 7/29. 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.
Mon 11/1712:59 amPHX - OPO
2 stops26h 31mDelta
Thu 12/411:25 amOPO - PHX
2 stops30h 02mDelta
Deal found 7/29$627
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/143:45 pmPHX - OPO
2 stops23h 35mMultiple Airlines
Tue 10/216:00 amOPO - PHX
2 stops21h 41mMultiple Airlines
Deal found 7/29$629
This Lufthansa deal was found by Cheapflights users on 7/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:51 pmPHX - OPO
2 stops17h 34mLufthansa
Mon 12/14:15 pmOPO - PHX
2 stops34h 32mLufthansa
Deal found 7/29$636
This KLM deal was found by Cheapflights users on 7/29. 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.
Thu 11/203:50 pmPHX - OPO
1 stop35h 40mAir France
Wed 12/311:25 amOPO - PHX
1 stop33h 10mAir France
Deal found 7/29$658
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 10/48:56 amPHX - OPO
2 stops18h 44mAmerican Airlines
Sat 10/118:15 amOPO - PHX
2 stops21h 04mAmerican Airlines
Deal found 7/29$670
This KLM deal was found by Cheapflights users on 7/29. 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.
Tue 10/143:05 pmPHX - OPO
1 stop16h 25mKLM
Tue 10/216:15 amOPO - PHX
2 stops20h 50mKLM
Deal found 7/29$673

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 July 31, 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 10/14

3:45 pm-11:20 pm

2 stops23h 35m

Porto

Tue 10/21

6:00 am-7:41 pm

2 stops21h 41m

$629

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 9/22

7:04 am-9:35 am

2 stops18h 31m

Porto

Wed 10/1

6:00 am-12:15 am

2 stops26h 15m

$652

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 10/4

8:56 am-11:40 am

2 stops18h 44m

Porto

Sat 10/11

8:15 am-9:19 pm

2 stops21h 04m

$670

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 10/14

3:05 pm-3:30 pm

1 stop16h 25m

Porto

Tue 10/21

6:15 am-7:05 pm

2 stops20h 50m

$673

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 9/7

8:30 pm-9:35 am

2 stops29h 05m

Porto

Tue 9/16

12:50 pm-11:21 am

2 stops30h 31m

$902

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 9/18

11:45 am-3:35 pm

2 stops19h 50m

Porto

Sat 10/4

4:20 pm-10:27 am

2 stops26h 07m

$978

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 9/4

1:28 pm-11:20 pm

2 stops25h 52m

Porto

Wed 9/17

6:00 am-7:15 pm

2 stops21h 15m

$987

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 9/17

8:00 am-1:55 pm

2 stops45h 55m

$340

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 9/17

7:40 am-9:20 am

1 stop17h 40m

$624

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 8/4

7:40 am-9:35 am

1 stop17h 55m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 14 results
1
2

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 $1,033). 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 July 31, 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.

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 July 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Arizona to Porto to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,851 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    One-way options have recently been found by users for as low as $624 on Lufthansa. Other airlines that offer cheap prices include Air Canada from $644 and United Airlines from $649 one-way.

  • 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 $1,033). 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
Coimbra

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Arizona to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$568Average$697FlexibilityNo cancel feeOn-time67%
KLMCheapest$579Average$869FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$585Average$1,061FlexibilityNo cancel feeOn-time69%
DeltaCheapest$586Average$761FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$592Average$694FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$600Average$748FlexibilityNo cancel feeOn-time70%
Air TransatCheapest$797Average$807FlexibilityNo cancel feeOn-time50%

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