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Cheap flights from Phoenix to Porto from $272

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 10/15. 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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Cheap round-trip flights

British Airways Logo
8:25 pm - 7:40 amPHX-OPO
28h 15m2 stops
British Airways Logo
12:20 pm - 11:30 pmOPO-PHX
19h 10m2 stops
$633British Airways
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dom., feb. 1 - mar., abr. 7
United Airlines Logo
9:05 pm - 11:40 amPHX-OPO
31h 35m3 stops
United Airlines Logo
6:00 am - 7:55 pmOPO-PHX
21h 55m2 stops
$648United Airlines
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dom., feb. 1 - mar., abr. 7
American Airlines Logo
8:30 am - 11:40 amPHX-OPO
19h 10m2 stops
American Airlines Logo
8:15 am - 7:49 pmOPO-PHX
19h 34m2 stops
$671American Airlines
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jue., oct. 2 - jue., oct. 16
United Airlines Logo
2:12 pm - 9:30 amPHX-OPO
36h 18m2 stops
United Airlines Logo
6:00 am - 3:58 pmOPO-PHX
40h 58m2 stops
$675United Airlines
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sáb., nov. 1 - sáb., nov. 8
Air Canada Logo
7:30 am - 6:15 pmPHX-OPO
26h 45m2 stops
Air Canada Logo
6:15 am - 10:22 amOPO-PHX
36h 07m2 stops
$724Air Canada
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dom., oct. 5 - lun., oct. 20
Delta Logo
3:05 pm - 3:30 pmPHX-OPO
16h 25m1 stop
Delta Logo
6:30 am - 2:01 pmOPO-PHX
39h 31m2 stops
$758Delta
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jue., oct. 2 - jue., oct. 16
Delta Logo
3:05 pm - 3:30 pmPHX-OPO
16h 25m1 stop
Delta Logo
6:30 am - 10:26 pmOPO-PHX
23h 56m2 stops
$761Delta
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dom., oct. 5 - lun., oct. 20
American Airlines Logo
3:43 pm - 3:55 pmPHX-OPO
16h 12m2 stops
American Airlines Logo
8:15 am - 7:49 pmOPO-PHX
19h 34m2 stops
$768American Airlines
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mar., sep. 30 - jue., oct. 9
Air Transat Logo
12:40 pm - 11:35 amPHX-OPO
14h 55m1 stop
Air Transat Logo
1:30 pm - 11:40 amOPO-PHX
30h 10m1 stop
$844Air Transat
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jue., sep. 11 - jue., sep. 18
Air Canada Logo
8:30 pm - 9:20 amPHX-OPO
28h 50m2 stops
Air Canada Logo
6:00 am - 7:41 pmOPO-PHX
21h 41m2 stops
$925Air Canada
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mar., sep. 2 - vie., sep. 19

SWISS flights from Phoenix to Porto

Our best SWISS deals on Phoenix to Porto flight tickets
SWISS
Nov 1
PHX3:44 pmPhoenix Sky Harbor Intl
19h 51m
2 stops
OPO6:35 pmPorto
Nov 8
OPO8:40 amPorto
20h 18m
2 stops
PHX9:58 pmPhoenix Sky Harbor Intl
$717
Find similar
SWISS
Sep 12
PHX3:41 pmPhoenix Sky Harbor Intl
18h 49m
2 stops
OPO6:30 pmPorto
Sep 19
OPO8:40 amPorto
21h 07m
2 stops
PHX9:47 pmPhoenix Sky Harbor Intl
$1,009
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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
25h 01m
2 stops
OPO11:45 pmPorto
Nov 8
OPO12:35 pmPorto
17h 16m
1 stop
PHX10:51 pmPhoenix Sky Harbor Intl
$727
Find similar
Lufthansa
Nov 1
PHX3:44 pmPhoenix Sky Harbor Intl
25h 01m
2 stops
OPO11:45 pmPorto
Nov 8
OPO12:35 pmPorto
17h 16m
1 stop
PHX10:51 pmPhoenix Sky Harbor Intl
$729
Find similar
Lufthansa
Sep 28
PHX11:20 amPhoenix Sky Harbor Intl
38h 15m
2 stops
OPO9:35 amPorto
Oct 29
OPO12:35 pmPorto
15h 59m
1 stop
PHX9:34 pmPhoenix Sky Harbor Intl
$767
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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 agosto 14, 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

dom. 2/1

8:25 pm-7:40 am

2 stops28h 15m

Porto

mar. 4/7

12:20 pm-11:30 pm

2 stops19h 10m

$633

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

dom. 2/1

9:05 pm-11:40 am

3 stops31h 35m

Porto

mar. 4/7

6:00 am-7:55 pm

2 stops21h 55m

$648

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

jue. 10/2

8:30 am-11:40 am

2 stops19h 10m

Porto

jue. 10/16

8:15 am-7:49 pm

2 stops19h 34m

$671

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

sáb. 11/1

2:12 pm-9:30 am

2 stops36h 18m

Porto

sáb. 11/8

6:00 am-3:58 pm

2 stops40h 58m

$675

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

dom. 10/5

7:30 am-6:15 pm

2 stops26h 45m

Porto

lun. 10/20

6:15 am-10:22 am

2 stops36h 07m

$724

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

jue. 10/2

3:05 pm-3:30 pm

1 stop16h 25m

Porto

jue. 10/16

6:30 am-2:01 pm

2 stops39h 31m

$758

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

dom. 10/5

3:05 pm-3:30 pm

1 stop16h 25m

Porto

lun. 10/20

6:30 am-10:26 pm

2 stops23h 56m

$761

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

mar. 9/30

3:43 pm-3:55 pm

2 stops16h 12m

Porto

jue. 10/9

8:15 am-7:49 pm

2 stops19h 34m

$768

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

jue. 9/11

12:40 pm-11:35 am

1 stop14h 55m

Porto

jue. 9/18

1:30 pm-11:40 am

1 stop30h 10m

$844

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

mar. 9/2

8:30 pm-9:20 am

2 stops28h 50m

Porto

vie. 9/19

6:00 am-7:41 pm

2 stops21h 41m

$925

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 $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 $613.

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 $836 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

Best Price Found

$272

Fastest flight time

12h 37m

Direct flights

None

Airports in Porto

1 airport
The best one-way flight to Porto from Phoenix in the past 72 hours is $272. The best round-trip flight deal from Phoenix to Porto found on momondo in the last 72 hours is $633.
The fastest flight from Phoenix to Porto takes 12h 37m
There are no direct flights from Phoenix to Porto. Popular non-direct route for this connection is Phoenix Sky Harbor Intl Airport - Porto Airport.
There is 1 airport near Porto: Porto (OPO)
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  • 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 12h 37m.

  • 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
9,949 reviews
Search Air Canada flights
KLMPriceFrom $579Free CancellationRating
7.8
1,381 reviews
Search KLM flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom $586Free CancellationRating
8.0
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $592Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $600Free CancellationRating
6.6
7,266 reviews
Search British Airways flights
Air TransatPriceFrom $797Free CancellationRating
7.7
427 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
Lamego
Guimarães
Esposende
Chaves
Arcos de Valdevez
Espinho
Viseu
Ponte de Lima
Pinhao
Santa Maria da Feira
Curia
Penafiel
Mesao Frio
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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