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Cheap flights from Phoenix to Porto from $334

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 11/8. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Phoenix to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:55 am - 7:00 am
PHX
-
OPO
15h 05m
1 stop
Air Canada Logo
11:40 am - 6:38 pm
OPO
-
PHX
38h 58m
2 stops
$817Air Canada
Mon, Oct 5 - Thu, Oct 15
Air Canada Logo
12:40 pm - 7:00 am
PHX
-
OPO
34h 20m
2 stops
Air Canada Logo
6:00 am - 11:53 am
OPO
-
PHX
37h 53m
2 stops
$818Air Canada
Sun, Oct 4 - Fri, Oct 16
Air Canada Logo
7:30 am - 7:00 am
PHX
-
OPO
15h 30m
2 stops
Air Canada Logo
11:40 am - 5:35 pm
OPO
-
PHX
37h 55m
2 stops
$821Air Canada
Mon, Oct 5 - Thu, Oct 15
Delta Logo
6:05 am - 10:25 am
PHX
-
OPO
20h 20m
1 stop
Delta Logo
5:00 am - 4:36 pm
OPO
-
PHX
19h 36m
2 stops
$830Delta
Sun, Oct 4 - Fri, Oct 16
Delta Logo
11:37 am - 3:25 pm
PHX
-
OPO
19h 48m
2 stops
Delta Logo
5:00 am - 9:57 pm
OPO
-
PHX
24h 57m
2 stops
$834Delta
Mon, Oct 5 - Fri, Oct 16
KLM Logo
6:05 am - 10:25 am
PHX
-
OPO
20h 20m
1 stop
KLM Logo
12:45 pm - 11:13 pm
OPO
-
PHX
18h 28m
1 stop
$838KLM
Sun, Oct 4 - Fri, Oct 16
Delta Logo
12:11 pm - 3:30 pm
PHX
-
OPO
19h 19m
2 stops
Delta Logo
5:00 am - 7:55 pm
OPO
-
PHX
22h 55m
2 stops
$839Delta
Sun, Oct 4 - Fri, Oct 16
Delta Logo
11:37 am - 10:30 am
PHX
-
OPO
14h 53m
1 stop
Delta Logo
4:25 pm - 1:10 pm
OPO
-
PHX
28h 45m
1 stop
$840Delta
Mon, Oct 5 - Mon, Oct 19
Delta Logo
11:37 am - 3:25 pm
PHX
-
OPO
19h 48m
2 stops
Delta Logo
4:25 pm - 1:10 pm
OPO
-
PHX
28h 45m
1 stop
$844Delta
Mon, Oct 5 - Mon, Oct 19
Air Transat Logo
12:05 pm - 11:45 am
PHX
-
OPO
15h 40m
1 stop
Air Transat Logo
1:30 pm - 11:04 am
OPO
-
PHX
29h 34m
1 stop
$847Air Transat
Sun, Aug 30 - Mon, Sep 14

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United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets
United Airlines
Aug 9
PHX11:57 pmPhoenix Sky Harbor Intl
22h 58m
1 stop
OPO6:55 amPorto
Aug 25
OPO12:15 pmPorto
38h 38m
2 stops
PHX6:53 pmPhoenix Sky Harbor Intl
$864
United Airlines
Sep 23
PHX6:15 amPhoenix Sky Harbor Intl
16h 45m
2 stops
OPO7:00 amPorto
Oct 6
OPO12:15 pmPorto
37h 20m
2 stops
PHX5:35 pmPhoenix Sky Harbor Intl
$867
United Airlines
Aug 19
PHX6:15 amPhoenix Sky Harbor Intl
16h 45m
2 stops
OPO7:00 amPorto
Aug 26
OPO6:00 amPorto
22h 37m
2 stops
PHX8:37 pmPhoenix Sky Harbor Intl
$879

Air Canada flights from Phoenix to Porto

Our best Air Canada deals on Phoenix to Porto flight tickets
Air Canada
Oct 5
PHX7:55 amPhoenix Sky Harbor Intl
15h 05m
1 stop
OPO7:00 amPorto
Oct 15
OPO11:40 amPorto
38h 58m
2 stops
PHX6:38 pmPhoenix Sky Harbor Intl
$817
Air Canada
Oct 4
PHX12:40 pmPhoenix Sky Harbor Intl
34h 20m
2 stops
OPO7:00 amPorto
Oct 16
OPO6:00 amPorto
37h 53m
2 stops
PHX11:53 amPhoenix Sky Harbor Intl
$818
Air Canada
Oct 5
PHX7:30 amPhoenix Sky Harbor Intl
15h 30m
2 stops
OPO7:00 amPorto
Oct 15
OPO11:40 amPorto
37h 55m
2 stops
PHX5:35 pmPhoenix Sky Harbor Intl
$821

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 July 10, 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

Cheapest round-trip

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/5

7:55 am-7:00 am

1 stop15h 05m

Porto

Thu 10/15

11:40 am-6:38 pm

2 stops38h 58m

$817

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 10/4

12:40 pm-7:00 am

2 stops34h 20m

Porto

Fri 10/16

6:00 am-11:53 am

2 stops37h 53m

$818

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/5

7:30 am-7:00 am

2 stops15h 30m

Porto

Thu 10/15

11:40 am-5:35 pm

2 stops37h 55m

$821

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 10/4

6:05 am-10:25 am

1 stop20h 20m

Porto

Fri 10/16

5:00 am-4:36 pm

2 stops19h 36m

$830

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/5

11:37 am-3:25 pm

2 stops19h 48m

Porto

Fri 10/16

5:00 am-9:57 pm

2 stops24h 57m

$834
Quickest round-trip

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 10/4

6:05 am-10:25 am

1 stop20h 20m

Porto

Fri 10/16

12:45 pm-11:13 pm

1 stop18h 28m

$838

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 10/4

12:11 pm-3:30 pm

2 stops19h 19m

Porto

Fri 10/16

5:00 am-7:55 pm

2 stops22h 55m

$839

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/5

11:37 am-10:30 am

1 stop14h 53m

Porto

Mon 10/19

4:25 pm-1:10 pm

1 stop28h 45m

$840

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/5

11:37 am-3:25 pm

2 stops19h 48m

Porto

Mon 10/19

4:25 pm-1:10 pm

1 stop28h 45m

$844

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 8/30

12:05 pm-11:45 am

1 stop15h 40m

Porto

Mon 9/14

1:30 pm-11:04 am

1 stop29h 34m

$847

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 typical price of a round-trip flight between Phoenix and Porto?

What is the cheapest month to fly to Porto?

The month of April is, on average, the cheapest month to fly to Porto from Phoenix, with most prices found around $460. If you aren’t able to travel during the month of April, then book flights to Porto from Phoenix during January instead. Flights to Porto in January, while not as cheap as those in April, still average around $461.

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

15h 30m

Direct flights

None
The fastest flight from Phoenix to Porto takes 15h 30m
There are no direct flights from Phoenix to Porto. There are no popular flight routes from Phoenix to Porto.
Search flight deals

Frequently asked questions about flying from Phoenix to Porto

  • 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 15h 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
7.1
11,789 reviews
Search American Airlines flights
United AirlinesPriceFrom $589Free CancellationRating
7.4
9,955 reviews
Search United Airlines flights
DeltaPriceFrom $646Free CancellationRating
7.8
8,453 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
Braga
Aveiro
Matosinhos
Esposende
Lamego
Chaves
Pinhao
Arcos de Valdevez
Guimarães
Espinho
Ponte de Lima
Viseu
Curia
Mesao Frio
Penafiel
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.

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