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Cheap flights from Phoenix to Porto from $258

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix to Porto departing on 1/30. 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 Phoenix to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:50 pm - 9:45 am
PHX
-
OPO
33h 55m
2 stops
United Airlines Logo
12:35 pm - 8:37 am
OPO
-
PHX
28h 02m
2 stops
$462United Airlines
Mon, Apr 20 - Thu, Apr 30
SWISS Logo
12:28 pm - 11:10 am
PHX
-
OPO
39h 42m
2 stops
SWISS Logo
12:05 pm - 11:57 pm
OPO
-
PHX
42h 52m
2 stops
$470SWISS
Wed, Jan 28 - Mon, Feb 2
United Airlines Logo
12:25 am - 9:30 am
PHX
-
OPO
26h 05m
1 stop
United Airlines Logo
12:35 pm - 12:58 am
OPO
-
PHX
19h 23m
2 stops
$487United Airlines
Wed, Feb 25 - Wed, Mar 11
Lufthansa Logo
12:56 pm - 11:40 pm
PHX
-
OPO
27h 44m
2 stops
Lufthansa Logo
6:00 am - 8:51 pm
OPO
-
PHX
21h 51m
2 stops
$495Lufthansa
Wed, Feb 11 - Fri, Feb 20
United Airlines Logo
6:55 pm - 9:30 am
PHX
-
OPO
31h 35m
2 stops
United Airlines Logo
12:30 pm - 4:19 pm
OPO
-
PHX
34h 49m
2 stops
$499United Airlines
Mon, Mar 16 - Mon, Mar 23
United Airlines Logo
8:30 am - 9:30 am
PHX
-
OPO
18h 00m
2 stops
United Airlines Logo
12:35 pm - 9:27 am
OPO
-
PHX
27h 52m
2 stops
$500United Airlines
Thu, Feb 26 - Wed, Mar 4
Lufthansa Logo
6:30 am - 9:30 am
PHX
-
OPO
20h 00m
1 stop
Lufthansa Logo
6:00 am - 7:18 pm
OPO
-
PHX
20h 18m
2 stops
$509Lufthansa
Thu, Feb 26 - Wed, Mar 4
United Airlines Logo
6:30 am - 9:30 am
PHX
-
OPO
20h 00m
1 stop
United Airlines Logo
12:35 pm - 10:15 pm
OPO
-
PHX
16h 40m
1 stop
$511United Airlines
Thu, Feb 26 - Wed, Mar 11
Lufthansa Logo
6:30 am - 9:30 am
PHX
-
OPO
20h 00m
1 stop
Lufthansa Logo
12:30 pm - 1:58 am
OPO
-
PHX
20h 28m
2 stops
$515Lufthansa
Thu, Feb 26 - Thu, Mar 5
Lufthansa Logo
6:30 am - 9:30 am
PHX
-
OPO
20h 00m
1 stop
Lufthansa Logo
12:35 pm - 9:37 pm
OPO
-
PHX
16h 02m
1 stop
$524Lufthansa
Thu, Feb 26 - Wed, Mar 4

United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets
United Airlines
Apr 20
PHX3:50 pmPhoenix Sky Harbor Intl
33h 55m
2 stops
OPO9:45 amPorto
Apr 30
OPO12:35 pmPorto
28h 02m
2 stops
PHX8:37 amPhoenix Sky Harbor Intl
$462
United Airlines
Mar 16
PHX6:55 pmPhoenix Sky Harbor Intl
31h 35m
2 stops
OPO9:30 amPorto
Mar 23
OPO12:30 pmPorto
34h 49m
2 stops
PHX4:19 pmPhoenix Sky Harbor Intl
$499
United Airlines
Feb 26
PHX6:40 amPhoenix Sky Harbor Intl
19h 50m
2 stops
OPO9:30 amPorto
Mar 4
OPO12:35 pmPorto
16h 02m
1 stop
PHX9:37 pmPhoenix Sky Harbor Intl
$500

KLM flights from Phoenix to Porto

Our best KLM deals on Phoenix to Porto flight tickets
KLM
Jan 28
PHX3:50 pmPhoenix Sky Harbor Intl
35h 35m
1 stop
OPO10:25 amPorto
Feb 2
OPO5:00 amPorto
23h 02m
2 stops
PHX9:02 pmPhoenix Sky Harbor Intl
$527
KLM
Mar 27
PHX3:50 pmPhoenix Sky Harbor Intl
23h 10m
1 stop
OPO10:00 pmPorto
Mar 31
OPO6:15 amPorto
14h 55m
1 stop
PHX1:10 pmPhoenix Sky Harbor Intl
$556
KLM
Jan 23
PHX3:50 pmPhoenix Sky Harbor Intl
35h 40m
1 stop
OPO10:30 amPorto
Feb 2
OPO5:00 amPorto
23h 02m
2 stops
PHX9:02 pmPhoenix Sky Harbor Intl
$577

momondo 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, momondo users made 832,500 searches. Data last updated January 16, 2026.
Use the filters below to find and compare flights from Phoenix to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/20

3:50 pm-9:45 am

2 stops33h 55m

Porto

Thu 4/30

12:35 pm-8:37 am

2 stops28h 02m

$462

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 1/28

12:28 pm-11:10 am

2 stops39h 42m

Porto

Mon 2/2

12:05 pm-11:57 pm

2 stops42h 52m

$470

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 2/25

12:25 am-9:30 am

1 stop26h 05m

Porto

Wed 3/11

12:35 pm-12:58 am

2 stops19h 23m

$487

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 2/11

12:56 pm-11:40 pm

2 stops27h 44m

Porto

Fri 2/20

6:00 am-8:51 pm

2 stops21h 51m

$495

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 3/16

6:55 pm-9:30 am

2 stops31h 35m

Porto

Mon 3/23

12:30 pm-4:19 pm

2 stops34h 49m

$499

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

8:30 am-9:30 am

2 stops18h 00m

Porto

Wed 3/4

12:35 pm-9:27 am

2 stops27h 52m

$500

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

6:30 am-9:30 am

1 stop20h 00m

Porto

Wed 3/4

6:00 am-7:18 pm

2 stops20h 18m

$509

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

6:30 am-9:30 am

1 stop20h 00m

Porto

Wed 3/11

12:35 pm-10:15 pm

1 stop16h 40m

$511

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

6:30 am-9:30 am

1 stop20h 00m

Porto

Thu 3/5

12:30 pm-1:58 am

2 stops20h 28m

$515

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

6:30 am-9:30 am

1 stop20h 00m

Porto

Wed 3/4

12:35 pm-9:37 pm

1 stop16h 02m

$524

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 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 Phoenix, with most prices found around $590. If you aren’t able to travel during the month of November, then book flights to Porto from Phoenix during March instead. Flights to Porto in March, while not as cheap as those in November, still average around $604.

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

You are more likely to see cheaper flights to Porto from Phoenix when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $808 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Phoenix for as low as $692 on momondo.

Cheap Phoenix to Porto flight deals and tips

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

Fastest flight time

14h 55m

Direct flights

None
The fastest flight from Phoenix to Porto takes 14h 55m
There are no direct flights from Phoenix to Porto. There are no popular flight routes from Phoenix to Porto.
Search flight deals

  • How far is Phoenix to Porto by plane?

    A flight from Phoenix to Porto will travel around 5350.0 mi. A reasonable flight in good conditions will take 14h 55m.

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

    Prices for flights from Phoenix to Porto Airport are updated daily.

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

  • How old do you have to be to fly from Phoenix 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 Phoenix 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.

Best airlines flying from Phoenix to Porto

Compare and see reviews for airlines that fly from Phoenix to Porto with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,166 reviews
Search United Airlines flights
American AirlinesPriceFrom $592Free CancellationRating
7.2
11,148 reviews
Search American Airlines flights
British AirwaysPriceFrom $600Free CancellationRating
6.7
7,684 reviews
Search British Airways flights
DeltaPriceFrom $639Free CancellationRating
7.9
8,065 reviews
Search Delta flights
Air TransatPriceFrom $797Free CancellationRating
7.7
495 reviews
Search Air Transat 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
Matosinhos
Aveiro
Esposende
Lamego
Guimarães
Chaves
Espinho
Pinhao
Arcos de Valdevez
Ponte de Lima
Viseu
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Phoenix to Porto for 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?

momondo helps you find the best flight between Phoenix and Porto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Phoenix to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Porto trip

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