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Cheap flights from Arizona to Porto from $276

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 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
United Airlines Logo
11:59 pm - 9:45 am
PHX
-
OPO
25h 46m
2 stops
United Airlines Logo
6:00 am - 11:23 pm
OPO
-
PHX
25h 23m
2 stops
$563United Airlines
lun., abr. 20 - jue., abr. 30
Delta Logo
6:10 am - 10:30 am
PHX
-
OPO
21h 20m
2 stops
Delta Logo
6:15 am - 1:10 pm
OPO
-
PHX
14h 55m
1 stop
$567Delta
mar., mar. 24 - mar., mar. 31
United Airlines Logo
11:59 pm - 9:45 am
PHX
-
OPO
25h 46m
2 stops
United Airlines Logo
6:00 am - 11:10 am
OPO
-
PHX
37h 10m
2 stops
$569United Airlines
lun., abr. 20 - jue., abr. 30
Iberia Logo
4:00 pm - 4:00 pm
PHX
-
OPO
16h 00m
2 stops
Iberia Logo
12:25 pm - 10:32 pm
OPO
-
PHX
18h 07m
2 stops
$571Iberia
lun., abr. 20 - jue., abr. 30
United Airlines Logo
7:26 am - 3:25 pm
PHX
-
OPO
24h 59m
2 stops
United Airlines Logo
12:35 pm - 11:16 am
OPO
-
PHX
29h 41m
2 stops
$592United Airlines
mié., mar. 11 - mié., mar. 18
Delta Logo
3:25 pm - 3:25 pm
PHX
-
OPO
16h 00m
1 stop
Delta Logo
6:15 am - 1:10 pm
OPO
-
PHX
14h 55m
1 stop
$602Delta
dom., abr. 5 - mar., abr. 21
KLM Logo
3:25 pm - 10:00 pm
PHX
-
OPO
22h 35m
1 stop
KLM Logo
5:00 am - 3:58 pm
OPO
-
PHX
18h 58m
2 stops
$604KLM
dom., abr. 5 - mar., abr. 21
KLM Logo
12:55 pm - 3:30 pm
PHX
-
OPO
18h 35m
2 stops
KLM Logo
5:00 am - 3:58 pm
OPO
-
PHX
18h 58m
2 stops
$609KLM
lun., abr. 6 - mié., abr. 22
American Airlines Logo
10:48 am - 11:45 am
PHX
-
OPO
16h 57m
2 stops
American Airlines Logo
8:20 am - 7:26 pm
OPO
-
PHX
19h 06m
2 stops
$615American Airlines
dom., abr. 5 - mar., abr. 21
Delta Logo
6:10 am - 10:30 am
PHX
-
OPO
21h 20m
2 stops
Delta Logo
6:15 am - 4:24 pm
OPO
-
PHX
18h 09m
2 stops
$616Delta
mar., mar. 24 - mar., mar. 31

United Airlines flights from Arizona to Porto

Our best United Airlines deals on Arizona to Porto flight tickets
United Airlines
Apr 20
PHX11:59 pmPhoenix Sky Harbor Intl
25h 46m
2 stops
OPO9:45 amPorto
Apr 30
OPO6:00 amPorto
25h 23m
2 stops
PHX11:23 pmPhoenix Sky Harbor Intl
$563
United Airlines
Apr 20
PHX11:59 pmPhoenix Sky Harbor Intl
25h 46m
2 stops
OPO9:45 amPorto
Apr 30
OPO6:00 amPorto
37h 10m
2 stops
PHX11:10 amPhoenix Sky Harbor Intl
$569
United Airlines
Mar 11
PHX7:26 amPhoenix Sky Harbor Intl
24h 59m
2 stops
OPO3:25 pmPorto
Mar 18
OPO12:35 pmPorto
29h 41m
2 stops
PHX11:16 amPhoenix Sky Harbor Intl
$592

KLM flights from Arizona to Porto

Our best KLM deals on Arizona to Porto flight tickets
KLM
Apr 5
PHX3:25 pmPhoenix Sky Harbor Intl
22h 35m
1 stop
OPO10:00 pmPorto
Apr 21
OPO5:00 amPorto
18h 58m
2 stops
PHX3:58 pmPhoenix Sky Harbor Intl
$604
KLM
Apr 6
PHX12:55 pmPhoenix Sky Harbor Intl
18h 35m
2 stops
OPO3:30 pmPorto
Apr 22
OPO5:00 amPorto
18h 58m
2 stops
PHX3:58 pmPhoenix Sky Harbor Intl
$609
KLM
Feb 26
PHX10:38 amPhoenix Sky Harbor Intl
16h 52m
2 stops
OPO10:30 amPorto
Mar 5
OPO11:20 amPorto
33h 15m
1 stop
PHX1:35 pmPhoenix Sky Harbor Intl
$721

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 febrero 12, 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

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

lun. 4/20

11:59 pm-9:45 am

2 stops25h 46m

Porto

jue. 4/30

6:00 am-11:23 pm

2 stops25h 23m

$563

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

mar. 3/24

6:10 am-10:30 am

2 stops21h 20m

Porto

mar. 3/31

6:15 am-1:10 pm

1 stop14h 55m

$567

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

lun. 4/20

11:59 pm-9:45 am

2 stops25h 46m

Porto

jue. 4/30

6:00 am-11:10 am

2 stops37h 10m

$569

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

lun. 4/20

4:00 pm-4:00 pm

2 stops16h 00m

Porto

jue. 4/30

12:25 pm-10:32 pm

2 stops18h 07m

$571

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

mié. 3/11

7:26 am-3:25 pm

2 stops24h 59m

Porto

mié. 3/18

12:35 pm-11:16 am

2 stops29h 41m

$592

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

dom. 4/5

3:25 pm-3:25 pm

1 stop16h 00m

Porto

mar. 4/21

6:15 am-1:10 pm

1 stop14h 55m

$602

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

dom. 4/5

3:25 pm-10:00 pm

1 stop22h 35m

Porto

mar. 4/21

5:00 am-3:58 pm

2 stops18h 58m

$604

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

lun. 4/6

12:55 pm-3:30 pm

2 stops18h 35m

Porto

mié. 4/22

5:00 am-3:58 pm

2 stops18h 58m

$609

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

dom. 4/5

10:48 am-11:45 am

2 stops16h 57m

Porto

mar. 4/21

8:20 am-7:26 pm

2 stops19h 06m

$615

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

mar. 3/24

6:10 am-10:30 am

2 stops21h 20m

Porto

mar. 3/31

6:15 am-4:24 pm

2 stops18h 09m

$616

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 November is, on average, the cheapest month to fly to Porto from Arizona, with most prices found around $590. If you aren’t able to travel during the month of November, then book flights to Porto from Arizona during March instead. Flights to Porto in March, while not as cheap as those in November, still average around $597.

How far in advance should I book a flight 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 $800 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 43% 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

15h 05m

Direct flights

None
The fastest flight from Arizona to Porto takes 15h 05m
There are no direct flights from Arizona to Porto. There are no popular flight routes from Arizona to Porto.
Search flight deals

  • 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
7.2
11,271 reviews
Search American Airlines flights
Air CanadaPriceFrom $568Free CancellationRating
7.1
10,709 reviews
Search Air Canada flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
British AirwaysPriceFrom $600Free CancellationRating
6.7
7,731 reviews
Search British Airways flights
DeltaPriceFrom $639Free CancellationRating
7.9
8,181 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
Matosinhos
Braga
Aveiro
Esposende
Lamego
Guimarães
Pinhao
Chaves
Espinho
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.

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