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Cheap flights from Phoenix to Porto from $495

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 12/13. 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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Find the cheapest flights from Phoenix to Porto

Cheap round-trip flights

United Airlines Logo
10:57 pm - 9:30 amPHX-OPO
27h 33m1 stop
United Airlines Logo
6:00 am - 8:43 pmOPO-PHX
21h 43m2 stops
$532United Airlines
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Mon, Oct 27 - Wed, Nov 12
United Airlines Logo
6:00 am - 9:30 amPHX-OPO
20h 30m1 stop
United Airlines Logo
12:35 pm - 10:34 pmOPO-PHX
16h 59m1 stop
$535United Airlines
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Mon, Oct 27 - Wed, Nov 12
United Airlines Logo
11:41 am - 9:30 amPHX-OPO
14h 49m1 stop
United Airlines Logo
6:00 am - 8:51 pmOPO-PHX
21h 51m2 stops
$590United Airlines
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Thu, Feb 26 - Wed, Mar 4
American Airlines Logo
5:00 am - 7:40 amPHX-OPO
19h 40m2 stops
American Airlines Logo
8:20 am - 8:50 pmOPO-PHX
19h 30m2 stops
$598American Airlines
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Tue, Dec 30 - Fri, Jan 30
Multiple Airlines Logo
3:50 pm - 10:30 amPHX-OPO
35h 40m1 stop
Multiple Airlines Logo
11:20 am - 10:52 pmOPO-PHX
18h 32m2 stops
$599Multiple Airlines
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Sun, Dec 28 - Fri, Jan 30
Multiple Airlines Logo
6:30 pm - 11:40 amPHX-OPO
34h 10m2 stops
Multiple Airlines Logo
6:15 am - 10:19 pmOPO-PHX
23h 04m2 stops
$620Multiple Airlines
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Sat, Mar 7 - Sun, Mar 15
Delta Logo
7:00 am - 10:30 amPHX-OPO
20h 30m2 stops
Delta Logo
11:20 am - 10:52 pmOPO-PHX
18h 32m2 stops
$628Delta
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Sun, Dec 28 - Fri, Jan 30
KLM Logo
3:50 pm - 10:30 amPHX-OPO
35h 40m1 stop
KLM Logo
4:20 pm - 12:50 pmOPO-PHX
28h 30m1 stop
$658KLM
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Sun, Mar 8 - Sat, May 2
KLM Logo
3:50 pm - 10:30 amPHX-OPO
35h 40m1 stop
KLM Logo
5:00 am - 3:27 pmOPO-PHX
18h 27m2 stops
$674KLM
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Sun, Mar 8 - Sat, May 2
Delta Logo
1:50 pm - 6:15 pmPHX-OPO
20h 25m2 stops
Delta Logo
6:30 am - 11:13 pmOPO-PHX
24h 43m2 stops
$932Delta
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Fri, Oct 3 - Mon, Oct 13

Lufthansa flights from Phoenix to Porto

Our best Lufthansa deals on Phoenix to Porto flight tickets
Lufthansa
Nov 1
PHX3:44 pmPhoenix Sky Harbor Intl
24h 56m
2 stops
OPO11:40 pmPorto
Nov 8
OPO6:00 amPorto
20h 49m
2 stops
PHX7:49 pmPhoenix Sky Harbor Intl
$652
Find similar
Lufthansa
Mar 13
PHX11:35 amPhoenix Sky Harbor Intl
29h 05m
2 stops
OPO11:40 pmPorto
Mar 20
OPO6:15 amPorto
43h 22m
2 stops
PHX6:37 pmPhoenix Sky Harbor Intl
$665
Find similar
Lufthansa
Oct 27
PHX11:50 amPhoenix Sky Harbor Intl
14h 40m
1 stop
OPO9:30 amPorto
Nov 12
OPO12:35 pmPorto
16h 59m
1 stop
PHX10:34 pmPhoenix Sky Harbor Intl
$796
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United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets
United Airlines
Oct 27
PHX10:57 pmPhoenix Sky Harbor Intl
27h 33m
1 stop
OPO9:30 amPorto
Nov 12
OPO6:00 amPorto
21h 43m
2 stops
PHX8:43 pmPhoenix Sky Harbor Intl
$532
Find similar
United Airlines
Oct 27
PHX6:00 amPhoenix Sky Harbor Intl
20h 30m
1 stop
OPO9:30 amPorto
Nov 12
OPO12:35 pmPorto
16h 59m
1 stop
PHX10:34 pmPhoenix Sky Harbor Intl
$535
Find similar
United Airlines
Feb 26
PHX11:41 amPhoenix Sky Harbor Intl
14h 49m
1 stop
OPO9:30 amPorto
Mar 4
OPO6:00 amPorto
21h 51m
2 stops
PHX8:51 pmPhoenix Sky Harbor Intl
$590
Find similar

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 September 17, 2025.
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 10/27

10:57 pm-9:30 am

1 stop27h 33m

Porto

Wed 11/12

6:00 am-8:43 pm

2 stops21h 43m

$532

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/27

6:00 am-9:30 am

1 stop20h 30m

Porto

Wed 11/12

12:35 pm-10:34 pm

1 stop16h 59m

$535

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

11:41 am-9:30 am

1 stop14h 49m

Porto

Wed 3/4

6:00 am-8:51 pm

2 stops21h 51m

$590

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 12/30

5:00 am-7:40 am

2 stops19h 40m

Porto

Fri 1/30

8:20 am-8:50 pm

2 stops19h 30m

$598

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 12/28

3:50 pm-10:30 am

1 stop35h 40m

Porto

Fri 1/30

11:20 am-10:52 pm

2 stops18h 32m

$599

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 3/7

6:30 pm-11:40 am

2 stops34h 10m

Porto

Sun 3/15

6:15 am-10:19 pm

2 stops23h 04m

$620

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 12/28

7:00 am-10:30 am

2 stops20h 30m

Porto

Fri 1/30

11:20 am-10:52 pm

2 stops18h 32m

$628

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 3/8

3:50 pm-10:30 am

1 stop35h 40m

Porto

Sat 5/2

4:20 pm-12:50 pm

1 stop28h 30m

$658

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 3/8

3:50 pm-10:30 am

1 stop35h 40m

Porto

Sat 5/2

5:00 am-3:27 pm

2 stops18h 27m

$674

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Fri 10/3

1:50 pm-6:15 pm

2 stops20h 25m

Porto

Mon 10/13

6:30 am-11:13 pm

2 stops24h 43m

$932

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 $595. 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 $623.

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Wednesday when prices can be found for as low as $758. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,126. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

In the afternoon is the cheapest time of day to fly from Phoenix to Porto when you can find flight prices for as low as $795. Flying to Porto in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $983 on average. Flights to Porto from Phoenix in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $852 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 $652 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

Direct flights

None
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 30m.

  • 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
Air CanadaPriceFrom $568Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
KLMPriceFrom $579Free CancellationRating
7.8
1,386 reviews
Search KLM flights
United AirlinesPriceFrom $589Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $590Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $592Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $600Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
Air TransatPriceFrom $797Free CancellationRating
7.7
439 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
Aveiro
Coimbra
Braga
Matosinhos
Caminha
Guimarães
Esposende
Lamego
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Pinhao
Santa Maria da Feira
Curia
Penafiel
Mesao Frio
Mira

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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