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Cheap flights from Phoenix Sky Harbor Intl Airport to Porto from $314

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 9:45 amPHX  Phoenix Sky Harbor Intl-OPO Porto
19h 45m1 stop Newark
United Airlines Logo
12:35 pm - 10:37 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
18h 02m1 stop Newark
$731United Airlines
Mon, Apr 19 - Fri, Apr 23
United Airlines Logo
7:00 am - 9:30 amPHX  Phoenix Sky Harbor Intl-OPO Porto
19h 30m1 stop Newark
United Airlines Logo
12:35 pm - 11:11 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
17h 36m1 stop Newark
$731United Airlines
Mon, Mar 1 - Thu, Mar 4
Air France Logo
6:00 am - 10:30 amPHX  Phoenix Sky Harbor Intl-OPO Porto
20h 30m1 stop New York John F Kennedy Intl
Air France Logo
5:55 am - 1:10 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
15h 15m1 stop Paris Charles de Gaulle
$770Air France
Sun, Apr 11 - Sun, Apr 25
Multiple Airlines Logo
12:10 pm - 4:00 pmPHX  Phoenix Sky Harbor Intl-OPO Porto
43h 50m2 stops Toronto Pearson Intl Brussels Bruxelles-National
Multiple Airlines Logo
6:00 am - 11:24 amOPO  Porto-PHX Phoenix Sky Harbor Intl
37h 24m2 stops Frankfurt am Main Vancouver Intl
$772Multiple Airlines
Sun, Apr 11 - Sun, Apr 25
Delta Logo
6:00 am - 10:30 amPHX  Phoenix Sky Harbor Intl-OPO Porto
20h 30m1 stop New York John F Kennedy Intl
Delta Logo
5:00 am - 4:35 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
19h 35m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$773Delta
Sun, Apr 11 - Sun, Apr 25
Multiple Airlines Logo
12:10 pm - 4:00 pmPHX  Phoenix Sky Harbor Intl-OPO Porto
43h 50m2 stops Toronto Pearson Intl Brussels Bruxelles-National
Multiple Airlines Logo
6:00 am - 11:24 amOPO  Porto-PHX Phoenix Sky Harbor Intl
37h 24m2 stops Frankfurt am Main Vancouver Intl
$773Multiple Airlines
Sun, Apr 11 - Sun, Apr 25
Delta Logo
6:00 am - 10:30 amPHX  Phoenix Sky Harbor Intl-OPO Porto
20h 30m1 stop New York John F Kennedy Intl
Delta Logo
5:00 am - 4:35 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
19h 35m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$774Delta
Sun, Apr 11 - Sun, Apr 25
Lufthansa Logo
9:30 am - 11:55 pmPHX  Phoenix Sky Harbor Intl-OPO Porto
31h 25m2 stops San Francisco Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 9:10 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
22h 10m2 stops Frankfurt am Main Newark
$834Lufthansa
Wed, Dec 2 - Fri, Dec 11
Air France Logo
3:25 pm - 3:25 pmPHX  Phoenix Sky Harbor Intl-OPO Porto
16h 00m1 stop Paris Charles de Gaulle
Air France Logo
12:25 pm - 7:34 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
15h 09m1 stop New York John F Kennedy Intl
$867Air France
Sun, Apr 25 - Mon, May 10
Lufthansa Logo
12:35 pm - 9:30 amPHX  Phoenix Sky Harbor Intl-OPO Porto
13h 55m1 stop Newark
Lufthansa Logo
12:35 pm - 11:00 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
17h 25m1 stop Newark
$1,178Lufthansa
Sun, Dec 13 - Sun, Dec 20

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Iberia flights from Phoenix Sky Harbor Intl Airport to Porto

Our best Iberia deals on Phoenix Sky Harbor Intl Airport to Porto flight tickets
Iberia
Jan 31
PHX7:00 amPhoenix Sky Harbor Intl
17h 40m
2 stops
OPO7:40 amPorto
Feb 7
OPO8:20 amPorto
20h 54m
2 stops
PHX10:14 pmPhoenix Sky Harbor Intl
$825
Iberia
Apr 25
PHX7:00 amPhoenix Sky Harbor Intl
17h 15m
1 stop
OPO8:15 amPorto
May 10
OPO10:10 amPorto
20h 12m
1 stop
PHX10:22 pmPhoenix Sky Harbor Intl
$858
Iberia
Dec 30
PHX10:39 amPhoenix Sky Harbor Intl
26h 21m
2 stops
OPO8:00 pmPorto
Jan 6
OPO8:40 pmPorto
20h 36m
2 stops
PHX10:16 amPhoenix Sky Harbor Intl
$901

United Airlines flights from Phoenix Sky Harbor Intl Airport to Porto

Our best United Airlines deals on Phoenix Sky Harbor Intl Airport to Porto flight tickets
United Airlines
Mar 1
PHX7:00 amPhoenix Sky Harbor Intl
19h 30m
1 stop
OPO9:30 amPorto
Mar 4
OPO12:35 pmPorto
17h 36m
1 stop
PHX11:11 pmPhoenix Sky Harbor Intl
$731
United Airlines
Mar 1
PHX12:15 pmPhoenix Sky Harbor Intl
14h 15m
1 stop
OPO9:30 amPorto
Mar 4
OPO12:35 pmPorto
29h 12m
2 stops
PHX10:47 amPhoenix Sky Harbor Intl
$736
United Airlines
Apr 19
PHX6:00 amPhoenix Sky Harbor Intl
19h 45m
1 stop
OPO9:45 amPorto
Apr 23
OPO12:35 pmPorto
18h 02m
1 stop
PHX10:37 pmPhoenix Sky Harbor Intl
$813

momondo Fare Finder

 
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Porto that are best for you.

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Route

Depart

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Price

Cheapest round-trip

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/19

6:00 am-9:45 am

1 stop19h 45m

Porto

Fri 4/23

12:35 pm-10:37 pm

1 stop18h 02m

$731

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 3/1

7:00 am-9:30 am

1 stop19h 30m

Porto

Thu 3/4

12:35 pm-11:11 pm

1 stop17h 36m

$731

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/11

6:00 am-10:30 am

1 stop20h 30m

Porto

Sun 4/25

5:55 am-1:10 pm

1 stop15h 15m

$770

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/11

12:10 pm-4:00 pm

2 stops43h 50m

Porto

Sun 4/25

6:00 am-11:24 am

2 stops37h 24m

$772

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/11

6:00 am-10:30 am

1 stop20h 30m

Porto

Sun 4/25

5:00 am-4:35 pm

2 stops19h 35m

$773

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/11

12:10 pm-4:00 pm

2 stops43h 50m

Porto

Sun 4/25

6:00 am-11:24 am

2 stops37h 24m

$773

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/11

6:00 am-10:30 am

1 stop20h 30m

Porto

Sun 4/25

5:00 am-4:35 pm

2 stops19h 35m

$774

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 12/2

9:30 am-11:55 pm

2 stops31h 25m

Porto

Fri 12/11

6:00 am-9:10 pm

2 stops22h 10m

$834
Quickest round-trip

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/25

3:25 pm-3:25 pm

1 stop16h 00m

Porto

Mon 5/10

12:25 pm-7:34 pm

1 stop15h 09m

$867

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 12/13

12:35 pm-9:30 am

1 stop13h 55m

Porto

Sun 12/20

12:35 pm-11:00 pm

1 stop17h 25m

$1,178

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Phoenix Sky Harbor Intl Airport and Porto?

Prices are currently low for flights on this route.

Typical prices usually range from $804 to $850.
The lowest price recently found on this route was $731.

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Phoenix Sky Harbor Intl Airport, with most prices found around $523. If you aren’t able to travel during the month of January, then book flights to Porto from Phoenix Sky Harbor Intl Airport during April instead. Flights to Porto in April, while not as cheap as those in January, still average around $778.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Porto flights?

You could potentially save up to 52% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Porto flight.

How have Phoenix Sky Harbor Intl Airport to Porto flight prices changed over time?

As of November 2026, prices for Phoenix Sky Harbor Intl Airport to Porto flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Porto (PHX to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Porto

Best Price Found

$314

Fastest flight time

19h 30m

Direct flights

None
The best one-way flight to Porto from Phoenix Sky Harbor Intl Airport in the past 72 hours is $314. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Porto found on momondo in the last 72 hours is $731.
The fastest flight from Phoenix Sky Harbor Intl Airport to Porto takes 19h 30m
There are no direct flights from Phoenix Sky Harbor Intl Airport to Porto. There are no popular flight routes from Phoenix Sky Harbor Intl Airport to Porto.
Search flight deals

Frequently asked questions about flying from Phoenix Sky Harbor Intl Airport to Porto

  • How far is Phoenix Sky Harbor Intl to Porto by plane?

    The straight-line distance from Phoenix Sky Harbor Intl to Porto is 5347.3 mi. In terms of flight time, this usually takes a little over 19h 30m.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Porto Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Porto Airport were last updated today.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Porto Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Porto Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Porto?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Porto

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Porto with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $460Free CancellationRating
7.0
12,225 reviews
Search American Airlines flights
LufthansaPriceFrom $492Free CancellationRating
6.8
8,294 reviews
Search Lufthansa flights
Air FrancePriceFrom $556Free CancellationRating
7.5
1,649 reviews
Search Air France flights
DeltaPriceFrom $646Free CancellationRating
7.8
8,713 reviews
Search Delta flights
United AirlinesPriceFrom $725Free CancellationRating
7.3
10,494 reviews
Search United Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Braga
Coimbra
Vila Nova de Gaia
Aveiro
Pinhao
Esposende
Matosinhos
Chaves
Viseu
Espinho
Arcos de Valdevez
Lamego
Penafiel
Caminha
Guimarães
Ponte de Lima
Mira

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Porto?

It is quick and easy to find Phoenix to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.

Can I find flights from Phoenix to Porto with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Phoenix to Porto flights to just show those with flexible booking policies.

How can momondo help me find flights from Phoenix to Porto?

Once all potential Phoenix to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Phoenix to Porto right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Porto from Phoenix. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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