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Cheap flights from Phoenix to Porto from $238

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 4/8. 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.
British Airways Logo
6:30 am - 4:40 pm
PHX
-
OPO
27h 10m2 stops
British Airways Logo
8:20 am - 11:57 pm
OPO
-
PHX
22h 37m2 stops
$453British Airways
Sun, Jan 18 - Fri, Feb 6
British Airways Logo
8:05 am - 4:40 pm
PHX
-
OPO
25h 35m2 stops
British Airways Logo
8:20 am - 6:15 pm
OPO
-
PHX
40h 55m2 stops
$458British Airways
Sun, Jan 18 - Wed, Feb 4
Iberia Logo
7:08 am - 7:40 am
PHX
-
OPO
17h 32m2 stops
Iberia Logo
8:20 am - 11:57 pm
OPO
-
PHX
22h 37m2 stops
$461Iberia
Tue, Jan 20 - Fri, Feb 6
British Airways Logo
8:05 am - 4:40 pm
PHX
-
OPO
25h 35m2 stops
British Airways Logo
8:40 pm - 9:47 pm
OPO
-
PHX
32h 07m2 stops
$464British Airways
Sun, Jan 18 - Thu, Feb 5
Air France Logo
3:50 pm - 10:25 am
PHX
-
OPO
35h 35m1 stop
Air France Logo
11:20 am - 11:44 pm
OPO
-
PHX
19h 24m2 stops
$476Air France
Wed, Jan 21 - Thu, Feb 5
Delta Logo
3:50 pm - 10:30 am
PHX
-
OPO
35h 40m1 stop
Delta Logo
11:20 am - 12:41 pm
OPO
-
PHX
32h 21m2 stops
$477Delta
Sun, Jan 18 - Fri, Feb 6
Delta Logo
3:50 pm - 10:30 am
PHX
-
OPO
35h 40m1 stop
Delta Logo
11:15 am - 11:15 pm
OPO
-
PHX
43h 00m2 stops
$478Delta
Sun, Jan 18 - Mon, Feb 9
Air France Logo
3:50 pm - 10:25 am
PHX
-
OPO
35h 35m1 stop
Air France Logo
11:20 am - 1:35 pm
OPO
-
PHX
33h 15m1 stop
$479Air France
Wed, Jan 21 - Thu, Feb 5
Delta Logo
3:50 pm - 10:30 am
PHX
-
OPO
35h 40m1 stop
Delta Logo
11:20 am - 1:35 pm
OPO
-
PHX
33h 15m1 stop
$480Delta
Sun, Jan 18 - Thu, Feb 5
Delta Logo
2:20 pm - 10:30 am
PHX
-
OPO
37h 10m2 stops
Delta Logo
11:15 am - 7:39 pm
OPO
-
PHX
39h 24m2 stops
$481Delta
Sat, Jan 17 - Mon, Feb 9

British Airways flights from Phoenix to Porto

Our best British Airways deals on Phoenix to Porto flight tickets
British Airways
Jan 18
PHX6:30 amPhoenix Sky Harbor Intl
27h 10m
2 stops
OPO4:40 pmPorto
Feb 6
OPO8:20 amPorto
22h 37m
2 stops
PHX11:57 pmPhoenix Sky Harbor Intl
$453
Find similar
British Airways
Jan 18
PHX8:05 amPhoenix Sky Harbor Intl
25h 35m
2 stops
OPO4:40 pmPorto
Feb 4
OPO8:20 amPorto
40h 55m
2 stops
PHX6:15 pmPhoenix Sky Harbor Intl
$458
Find similar
British Airways
Jan 18
PHX8:05 amPhoenix Sky Harbor Intl
25h 35m
2 stops
OPO4:40 pmPorto
Feb 5
OPO8:40 pmPorto
32h 07m
2 stops
PHX9:47 pmPhoenix Sky Harbor Intl
$464
Find similar

Iberia flights from Phoenix to Porto

Our best Iberia deals on Phoenix to Porto flight tickets
Iberia
Jan 20
PHX7:08 amPhoenix Sky Harbor Intl
17h 32m
2 stops
OPO7:40 amPorto
Feb 6
OPO8:20 amPorto
22h 37m
2 stops
PHX11:57 pmPhoenix Sky Harbor Intl
$461
Find similar
Iberia
Jan 23
PHX7:08 amPhoenix Sky Harbor Intl
21h 37m
2 stops
OPO11:45 amPorto
Feb 2
OPO8:40 pmPorto
29h 49m
2 stops
PHX7:29 pmPhoenix Sky Harbor Intl
$522
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 January 6, 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

Sun 1/18

6:30 am-4:40 pm

2 stops27h 10m

Porto

Fri 2/6

8:20 am-11:57 pm

2 stops22h 37m

$453

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 1/18

8:05 am-4:40 pm

2 stops25h 35m

Porto

Wed 2/4

8:20 am-6:15 pm

2 stops40h 55m

$458

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 1/20

7:08 am-7:40 am

2 stops17h 32m

Porto

Fri 2/6

8:20 am-11:57 pm

2 stops22h 37m

$461

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 1/18

8:05 am-4:40 pm

2 stops25h 35m

Porto

Thu 2/5

8:40 pm-9:47 pm

2 stops32h 07m

$464

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 1/21

3:50 pm-10:25 am

1 stop35h 35m

Porto

Thu 2/5

11:20 am-11:44 pm

2 stops19h 24m

$476

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 1/18

3:50 pm-10:30 am

1 stop35h 40m

Porto

Fri 2/6

11:20 am-12:41 pm

2 stops32h 21m

$477

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 1/18

3:50 pm-10:30 am

1 stop35h 40m

Porto

Mon 2/9

11:15 am-11:15 pm

2 stops43h 00m

$478

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 1/21

3:50 pm-10:25 am

1 stop35h 35m

Porto

Thu 2/5

11:20 am-1:35 pm

1 stop33h 15m

$479

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 1/18

3:50 pm-10:30 am

1 stop35h 40m

Porto

Thu 2/5

11:20 am-1:35 pm

1 stop33h 15m

$480

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 1/17

2:20 pm-10:30 am

2 stops37h 10m

Porto

Mon 2/9

11:15 am-7:39 pm

2 stops39h 24m

$481

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 $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

Fastest flight time

16h 35m

Direct flights

None
The fastest flight from Phoenix to Porto takes 16h 35m
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 16h 35m.

  • 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
9,138 reviews
Search United Airlines flights
American AirlinesPriceFrom $592Free CancellationRating
7.2
11,088 reviews
Search American Airlines flights
British AirwaysPriceFrom $600Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
DeltaPriceFrom $639Free CancellationRating
7.9
8,022 reviews
Search Delta flights
Air TransatPriceFrom $797Free CancellationRating
7.7
491 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
Viseu
Pinhao
Arcos de Valdevez
Ponte de Lima
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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