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$360+ Cheap flights from Phoenix 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — OPO
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Phoenix to Porto

Cheapest flights from Phoenix to Porto
Explore the most affordable flight options available from Phoenix to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:55 am
PHX
-
OPO
2 stops17h 55m
Multiple Airlines
Mon 11/97:20 pm
OPO
-
PHX
2 stops34h 10m
Multiple Airlines
Deal found 1/28$502
This Air France deal was found by Cheapflights users on 1/27. 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.
Tue 2/2410:45 am
PHX
-
OPO
2 stops16h 45m
Multiple Airlines
Tue 3/35:00 am
OPO
-
PHX
2 stops22h 07m
Multiple Airlines
Deal found 1/27$565
This Delta deal was found by Cheapflights users on 1/28. 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 4/2012:10 pm
PHX
-
OPO
2 stops21h 45m
Delta
Thu 4/305:00 am
OPO
-
PHX
2 stops24h 48m
Delta
Deal found 1/28$569
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/248:30 am
PHX
-
OPO
2 stops18h 00m
United Airlines
Tue 3/312:35 pm
OPO
-
PHX
2 stops27h 53m
United Airlines
Deal found 1/27$572
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/203:50 pm
PHX
-
OPO
2 stops33h 55m
United Airlines
Thu 4/306:00 am
OPO
-
PHX
2 stops37h 10m
United Airlines
Deal found 1/26$580
This Orbitz deal was found by Cheapflights users on 1/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/81:58 pm
PHX
-
OPO
2 stops19h 02m
Iberia
Sun 11/158:40 pm
OPO
-
PHX
2 stops30h 55m
Iberia
Deal found 1/26$583
This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:30 am
PHX
-
OPO
1 stop20h 00m
Lufthansa
Tue 3/312:35 pm
OPO
-
PHX
1 stop16h 02m
Lufthansa
Deal found 1/27$586
This Iberia deal was found by Cheapflights users on 1/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:00 pm
PHX
-
OPO
2 stops16h 00m
Iberia
Sun 5/1012:25 pm
OPO
-
PHX
2 stops19h 13m
Iberia
Deal found 1/25$602
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/266:40 am
PHX
-
OPO
2 stops19h 50m
United Airlines
Wed 3/46:00 am
OPO
-
PHX
2 stops21h 51m
United Airlines
Deal found 1/27$613
This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:59 am
PHX
-
OPO
2 stops29h 41m
Lufthansa
Wed 3/116:00 am
OPO
-
PHX
2 stops23h 15m
Lufthansa
Deal found 1/26$616

Find flight deals from Phoenix to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 28, 2026.

Round-trip from

$565
(Air France)

One-way from

$360
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$718
From Phoenix to Porto
Search Deals
One-way flight from Phoenix to Porto
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($215 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 28, 2026.
Use the filters below to find and compare flights from Phoenix to Porto that are best for you.

Fly from

Phoenix

Fly to

Porto

Route

Depart

Return

Price

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 2/24

8:30 am-9:30 am

2 stops18h 00m

Porto

Tue 3/3

12:35 pm-9:28 am

2 stops27h 53m

$572

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

8:30 am-9:30 am

2 stops18h 00m

Porto

Wed 3/4

6:00 am-8:51 pm

2 stops21h 51m

$613

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 3/25

6:10 am-10:30 am

2 stops21h 20m

Porto

Tue 3/31

5:00 am-4:40 pm

2 stops19h 40m

$616

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 3/7

11:40 pm-11:40 am

2 stops29h 00m

Porto

Sun 3/15

6:00 am-10:58 am

2 stops35h 58m

$628

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

6:40 am-9:30 am

2 stops19h 50m

Porto

Mon 3/2

12:30 pm-7:18 pm

2 stops37h 48m

$634

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

6:40 am-9:30 am

2 stops19h 50m

Porto

Thu 3/5

12:35 pm-11:15 pm

1 stop17h 40m

$667

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 4/23

6:25 am-9:20 pm

3 stops30h 55m

$360

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 2/17

3:15 pm-12:00 pm

2 stops37h 45m

$361

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 5/30

7:00 pm-6:30 pm

2 stops39h 30m

$420

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 6/1

7:00 am-7:40 am

2 stops16h 40m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 13 results
1
2

Best time to book a flight from Phoenix to Porto

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

How far ahead should I book a flight from Phoenix to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Porto. Price data was last updated on January 23, 2026.

The price you pay for your flight from Phoenix to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Phoenix to Porto (average of $483). Flying from Phoenix to Porto in June is currently the most expensive (average of $905). 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.

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 28, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Phoenix to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,120 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,120 reviews
Delta
7.9
Good
8,120 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,206 reviews
Delta
7.9
Good
8,120 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,198 reviews
Delta
7.9
Good
8,120 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,702 reviews
Delta
7.9
Good
8,120 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Phoenix 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?

    If you book a flight to Porto from Phoenix, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto. There are 0 flights from Phoenix to Porto per day from 4 different airlines.

  • How long is the flight from Phoenix to Porto?

    There are many flights that can get you from Phoenix to Porto in 18h. Fly via United Airlines or Delta to get the fastest option. There are 5342 mi between Phoenix and Porto. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Phoenix to Porto round-trip from $523. Other airlines that can offer you cheap pricing are United Airlines, from $585, and British Airways, from $600. American Airlines is 35% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phoenix 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 to Porto?

    Currently, January is the cheapest month in which you can book a flight from Phoenix to Porto (average of $483). Flying from Phoenix to Porto in June is currently the most expensive (average of $905). 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
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Phoenix to Porto

Discover the top 4 airlines that operate flights from Phoenix 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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$523Average$730FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$585Average$881FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$600Average$748FlexibilityNo cancel feeOn-time70%
DeltaCheapest$623Average$899FlexibilityNo cancel feeOn-timeN/A

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