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Cheap flights from Phoenix to Porto from $279

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 8/16. 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.
Delta Logo
12:10 pm - 10:05 pm
PHX
-
OPO
25h 55m
2 stops
Delta Logo
5:00 am - 4:03 pm
OPO
-
PHX
19h 03m
2 stops
$564Delta
Tue, Apr 14 - Tue, Apr 28
United Airlines Logo
11:59 pm - 9:45 am
PHX
-
OPO
25h 46m
2 stops
United Airlines Logo
6:00 am - 11:18 am
OPO
-
PHX
37h 18m
2 stops
$569United Airlines
Mon, Apr 20 - Thu, Apr 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
$572Iberia
Mon, Apr 20 - Thu, Apr 30
United Airlines Logo
12:37 pm - 9:45 am
PHX
-
OPO
37h 08m
2 stops
United Airlines Logo
6:00 am - 11:18 am
OPO
-
PHX
37h 18m
2 stops
$581United Airlines
Mon, Apr 20 - Thu, Apr 30
Air France Logo
3:25 pm - 10:05 pm
PHX
-
OPO
22h 40m
1 stop
Air France Logo
5:55 am - 1:10 pm
OPO
-
PHX
15h 15m
1 stop
$607Air France
Tue, Apr 14 - Sun, Apr 26
British Airways Logo
9:05 pm - 9:05 am
PHX
-
OPO
28h 00m
1 stop
British Airways Logo
9:10 pm - 7:00 pm
OPO
-
PHX
29h 50m
1 stop
$608British Airways
Tue, Apr 14 - Mon, Apr 27
Multiple Airlines Logo
3:25 pm - 3:25 pm
PHX
-
OPO
16h 00m
1 stop
Multiple Airlines Logo
5:00 am - 5:33 pm
OPO
-
PHX
20h 33m
2 stops
$610Multiple Airlines
Tue, Apr 14 - Mon, Apr 27
Delta Logo
5:45 am - 10:00 pm
PHX
-
OPO
32h 15m
2 stops
Delta Logo
6:15 am - 11:46 pm
OPO
-
PHX
25h 31m
2 stops
$611Delta
Mon, Apr 13 - Tue, Apr 28
Delta Logo
12:10 pm - 10:05 pm
PHX
-
OPO
25h 55m
2 stops
Delta Logo
6:30 am - 1:10 pm
OPO
-
PHX
14h 40m
1 stop
$612Delta
Tue, Apr 14 - Sun, Apr 26
Delta Logo
12:10 pm - 10:05 pm
PHX
-
OPO
25h 55m
2 stops
Delta Logo
5:00 am - 5:33 pm
OPO
-
PHX
20h 33m
2 stops
$614Delta
Tue, Apr 14 - Mon, Apr 27

Delta flights from Phoenix to Porto

Our best Delta deals on Phoenix to Porto flight tickets
Delta
Apr 14
PHX12:10 pmPhoenix Sky Harbor Intl
25h 55m
2 stops
OPO10:05 pmPorto
Apr 23
OPO5:00 amPorto
26h 18m
2 stops
PHX11:18 pmPhoenix Sky Harbor Intl
$564
Delta
Apr 13
PHX5:45 amPhoenix Sky Harbor Intl
32h 15m
2 stops
OPO10:00 pmPorto
Apr 28
OPO6:15 amPorto
25h 31m
2 stops
PHX11:46 pmPhoenix Sky Harbor Intl
$611
Delta
Apr 14
PHX12:10 pmPhoenix Sky Harbor Intl
25h 55m
2 stops
OPO10:05 pmPorto
Apr 26
OPO6:30 amPorto
14h 40m
1 stop
PHX1:10 pmPhoenix Sky Harbor Intl
$612

United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix 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
37h 18m
2 stops
PHX11:18 amPhoenix Sky Harbor Intl
$569
United Airlines
Apr 20
PHX12:37 pmPhoenix Sky Harbor Intl
37h 08m
2 stops
OPO9:45 amPorto
Apr 30
OPO6:00 amPorto
37h 18m
2 stops
PHX11:18 amPhoenix Sky Harbor Intl
$581
United Airlines
Mar 7
PHX6:31 pmPhoenix Sky Harbor Intl
31h 59m
2 stops
OPO9:30 amPorto
Mar 17
OPO12:35 pmPorto
29h 23m
2 stops
PHX10:58 amPhoenix Sky Harbor Intl
$675

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 February 17, 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

Tue 4/14

12:10 pm-10:05 pm

2 stops25h 55m

Porto

Tue 4/28

5:00 am-4:03 pm

2 stops19h 03m

$564

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/20

11:59 pm-9:45 am

2 stops25h 46m

Porto

Thu 4/30

6:00 am-11:18 am

2 stops37h 18m

$569

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/20

4:00 pm-4:00 pm

2 stops16h 00m

Porto

Thu 4/30

12:25 pm-10:32 pm

2 stops18h 07m

$572

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/20

12:37 pm-9:45 am

2 stops37h 08m

Porto

Thu 4/30

6:00 am-11:18 am

2 stops37h 18m

$581

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 4/14

3:25 pm-10:05 pm

1 stop22h 40m

Porto

Sun 4/26

5:55 am-1:10 pm

1 stop15h 15m

$607

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 4/14

9:05 pm-9:05 am

1 stop28h 00m

Porto

Mon 4/27

9:10 pm-7:00 pm

1 stop29h 50m

$608

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 4/14

3:25 pm-3:25 pm

1 stop16h 00m

Porto

Mon 4/27

5:00 am-5:33 pm

2 stops20h 33m

$610

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/13

5:45 am-10:00 pm

2 stops32h 15m

Porto

Tue 4/28

6:15 am-11:46 pm

2 stops25h 31m

$611

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 4/14

12:10 pm-10:05 pm

2 stops25h 55m

Porto

Sun 4/26

6:30 am-1:10 pm

1 stop14h 40m

$612

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 4/14

12:10 pm-10:05 pm

2 stops25h 55m

Porto

Mon 4/27

5:00 am-5:33 pm

2 stops20h 33m

$614

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 $597.

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 $798 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 $643 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 30m

Direct flights

None
The fastest flight from Phoenix to Porto takes 14h 30m
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
American AirlinesPriceFrom $460Free CancellationRating
7.2
11,294 reviews
Search American Airlines flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,308 reviews
Search United Airlines flights
British AirwaysPriceFrom $600Free CancellationRating
6.7
7,751 reviews
Search British Airways flights
DeltaPriceFrom $639Free CancellationRating
7.9
8,205 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 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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