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Cheap flights from Arizona to Porto from $414

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Arizona to Porto departing on 7/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Arizona to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
1:00 pm - 9:05 am
PHX
-
OPO
13h 05m
1 stop
KLM Logo
5:40 am - 1:35 pm
OPO
-
PHX
14h 55m
1 stop
$717KLM
Wed, Nov 4 - Wed, Nov 18
United Airlines Logo
7:00 am - 9:30 am
PHX
-
OPO
19h 30m
2 stops
United Airlines Logo
6:00 am - 7:42 pm
OPO
-
PHX
20h 42m
2 stops
$718United Airlines
Wed, Nov 4 - Wed, Nov 18
Delta Logo
3:50 pm - 10:00 pm
PHX
-
OPO
23h 10m
1 stop
Delta Logo
5:00 am - 7:26 pm
OPO
-
PHX
21h 26m
2 stops
$719Delta
Wed, Nov 4 - Thu, Dec 3
Delta Logo
7:00 am - 9:05 am
PHX
-
OPO
19h 05m
1 stop
Delta Logo
5:00 am - 12:14 am
OPO
-
PHX
26h 14m
2 stops
$720Delta
Sun, Nov 1 - Wed, Nov 18
Air France Logo
9:55 am - 10:30 am
PHX
-
OPO
17h 35m
2 stops
Air France Logo
5:40 am - 1:35 pm
OPO
-
PHX
14h 55m
1 stop
$721Air France
Tue, Nov 3 - Wed, Nov 18
United Airlines Logo
11:59 pm - 9:30 am
PHX
-
OPO
26h 31m
1 stop
United Airlines Logo
6:00 am - 7:42 pm
OPO
-
PHX
20h 42m
2 stops
$723United Airlines
Sat, Nov 7 - Wed, Nov 18
Delta Logo
7:00 am - 9:05 am
PHX
-
OPO
19h 05m
2 stops
Delta Logo
5:00 am - 4:57 pm
OPO
-
PHX
18h 57m
2 stops
$724Delta
Sun, Nov 1 - Thu, Dec 3
KLM Logo
11:59 pm - 9:05 am
PHX
-
OPO
26h 06m
1 stop
KLM Logo
5:00 am - 4:57 pm
OPO
-
PHX
18h 57m
2 stops
$725KLM
Tue, Nov 3 - Tue, Nov 17
United Airlines Logo
7:00 am - 9:30 am
PHX
-
OPO
19h 30m
2 stops
United Airlines Logo
12:35 pm - 11:37 pm
OPO
-
PHX
18h 02m
1 stop
$727United Airlines
Mon, Nov 2 - Fri, Nov 27
Multiple Airlines Logo
11:59 pm - 9:05 am
PHX
-
OPO
26h 06m
1 stop
Multiple Airlines Logo
5:40 am - 1:35 pm
OPO
-
PHX
14h 55m
1 stop
$728Multiple Airlines
Tue, Nov 3 - Wed, Nov 18

SWISS flights from Arizona to Porto

Our best SWISS deals on Arizona to Porto flight tickets
SWISS
Nov 4
PHX2:30 pmPhoenix Sky Harbor Intl
37h 45m
2 stops
OPO11:15 amPorto
Nov 16
OPO7:20 pmPorto
33h 00m
2 stops
PHX9:20 pmPhoenix Sky Harbor Intl
$730
SWISS
Nov 5
PHX2:26 pmPhoenix Sky Harbor Intl
34h 24m
2 stops
OPO7:50 amPorto
Nov 21
OPO12:05 pmPorto
40h 15m
2 stops
PHX9:20 pmPhoenix Sky Harbor Intl
$830

Lufthansa flights from Arizona to Porto

Our best Lufthansa deals on Arizona to Porto flight tickets
Lufthansa
Nov 7
PHX2:40 pmPhoenix Sky Harbor Intl
39h 10m
2 stops
OPO12:50 pmPorto
Nov 16
OPO12:30 pmPorto
39h 50m
2 stops
PHX9:20 pmPhoenix Sky Harbor Intl
$751
Lufthansa
Nov 7
PHX1:15 pmPhoenix Sky Harbor Intl
50h 10m
2 stops
OPO10:25 pmPorto
Nov 16
OPO12:30 pmPorto
39h 50m
2 stops
PHX9:20 pmPhoenix Sky Harbor Intl
$764
Lufthansa
Nov 6
PHX3:10 pmPhoenix Sky Harbor Intl
25h 45m
2 stops
OPO11:55 pmPorto
Nov 17
OPO6:00 amPorto
20h 42m
2 stops
PHX7:42 pmPhoenix Sky Harbor Intl
$776

momondo 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, momondo users made 832,500 searches. Data last updated May 18, 2026.
Use the filters below to find and compare flights from Arizona to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 11/4

1:00 pm-9:05 am

1 stop13h 05m

Porto

Wed 11/18

5:40 am-1:35 pm

1 stop14h 55m

$717

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 11/4

7:00 am-9:30 am

2 stops19h 30m

Porto

Wed 11/18

6:00 am-7:42 pm

2 stops20h 42m

$718

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 11/4

3:50 pm-10:00 pm

1 stop23h 10m

Porto

Thu 12/3

5:00 am-7:26 pm

2 stops21h 26m

$719

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 11/1

7:00 am-9:05 am

1 stop19h 05m

Porto

Wed 11/18

5:00 am-12:14 am

2 stops26h 14m

$720

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 11/3

9:55 am-10:30 am

2 stops17h 35m

Porto

Wed 11/18

5:40 am-1:35 pm

1 stop14h 55m

$721

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 11/7

11:59 pm-9:30 am

1 stop26h 31m

Porto

Wed 11/18

6:00 am-7:42 pm

2 stops20h 42m

$723

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 11/1

7:00 am-9:05 am

2 stops19h 05m

Porto

Thu 12/3

5:00 am-4:57 pm

2 stops18h 57m

$724

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 11/3

11:59 pm-9:05 am

1 stop26h 06m

Porto

Tue 11/17

5:00 am-4:57 pm

2 stops18h 57m

$725

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 11/2

7:00 am-9:30 am

2 stops19h 30m

Porto

Fri 11/27

12:35 pm-11:37 pm

1 stop18h 02m

$727

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 11/3

11:59 pm-9:05 am

1 stop26h 06m

Porto

Wed 11/18

5:40 am-1:35 pm

1 stop14h 55m

$728

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 Arizona 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 cheapest month to fly to Porto?

The month of April is, on average, the cheapest month to fly to Porto from Arizona, with most prices found around $460. If you aren’t able to travel during the month of April, then book flights to Porto from Arizona during January instead. Flights to Porto in January, while not as cheap as those in April, still average around $461.

How far in advance should I book a flight from Arizona to Porto?

You are more likely to see cheaper flights to Porto from Arizona when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $840 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Arizona for as low as $643 on momondo.

Can stopping save me money on Arizona to Porto flights?

You could potentially save up to 54% on your flight if you consider stops on a Arizona to Porto flight.

Cheap Arizona to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Arizona to Porto

Fastest flight time

17h 25m

Direct flights

None
The fastest flight from Arizona to Porto takes 17h 25m
There are no direct flights from Arizona to Porto. There are no popular flight routes from Arizona to Porto.
Search flight deals

Frequently asked questions about flying from Arizona to Porto

  • When did momondo last update prices for flights from Arizona to Porto Airport?

    Prices for flights from Arizona to Porto Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Arizona to Porto Airport?

  • How old do you have to be to fly from Arizona to Porto Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Arizona to Porto Airport.

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

    The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Arizona to Porto

Compare and see reviews for airlines that fly from Arizona to Porto with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $460Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,737 reviews
Search United Airlines flights
DeltaPriceFrom $646Free CancellationRating
7.9
8,447 reviews
Search Delta flights

Traveling to a place near Porto?

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Arizona to Porto. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Porto from Arizona which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Arizona to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Porto from Arizona are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Porto trip

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