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Cheap flights from Phoenix to Porto from $494

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 5/9. 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.
Lufthansa Logo
7:07 am - 6:15 am
PHX
-
OPO
15h 08m
2 stops
Lufthansa Logo
6:20 am - 8:24 pm
OPO
-
PHX
22h 04m
2 stops
$817Lufthansa
Tue, Aug 18 - Tue, Aug 25
United Airlines Logo
11:43 am - 9:45 am
PHX
-
OPO
14h 02m
1 stop
United Airlines Logo
12:15 pm - 3:02 pm
OPO
-
PHX
34h 47m
2 stops
$819United Airlines
Tue, Aug 18 - Tue, Aug 25
Lufthansa Logo
11:50 pm - 6:55 am
PHX
-
OPO
23h 05m
1 stop
Lufthansa Logo
6:20 am - 8:24 pm
OPO
-
PHX
22h 04m
2 stops
$821Lufthansa
Tue, Aug 18 - Tue, Aug 25
Air Canada Logo
4:28 pm - 7:00 am
PHX
-
OPO
30h 32m
2 stops
Air Canada Logo
12:15 pm - 9:58 pm
OPO
-
PHX
41h 43m
2 stops
$822Air Canada
Tue, Aug 18 - Tue, Aug 25
Delta Logo
12:00 pm - 10:25 am
PHX
-
OPO
14h 25m
1 stop
Delta Logo
5:00 am - 7:34 pm
OPO
-
PHX
22h 34m
2 stops
$832Delta
Sun, Oct 4 - Fri, Oct 16
Delta Logo
6:05 am - 10:25 am
PHX
-
OPO
20h 20m
2 stops
Delta Logo
5:00 am - 7:34 pm
OPO
-
PHX
22h 34m
2 stops
$836Delta
Sun, Oct 4 - Fri, Oct 16
United Airlines Logo
6:00 am - 6:55 am
PHX
-
OPO
16h 55m
1 stop
United Airlines Logo
12:35 pm - 10:48 pm
OPO
-
PHX
18h 13m
1 stop
$839United Airlines
Wed, Aug 19 - Tue, Sep 22
Air Canada Logo
12:00 pm - 7:10 am
PHX
-
OPO
35h 10m
2 stops
Air Canada Logo
12:15 pm - 11:17 pm
OPO
-
PHX
43h 02m
2 stops
$845Air Canada
Thu, Oct 1 - Tue, Oct 13
Air Canada Logo
7:55 am - 7:00 am
PHX
-
OPO
15h 05m
1 stop
Air Canada Logo
11:20 am - 7:16 pm
OPO
-
PHX
15h 56m
1 stop
$850Air Canada
Mon, Oct 5 - Sun, Oct 18
Multiple Airlines Logo
7:30 am - 7:00 am
PHX
-
OPO
15h 30m
2 stops
Multiple Airlines Logo
11:20 am - 7:16 pm
OPO
-
PHX
15h 56m
1 stop
$854Multiple Airlines
Mon, Oct 5 - Sun, Oct 18

United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets
United Airlines
Aug 18
PHX11:43 amPhoenix Sky Harbor Intl
14h 02m
1 stop
OPO9:45 amPorto
Aug 25
OPO12:15 pmPorto
34h 47m
2 stops
PHX3:02 pmPhoenix Sky Harbor Intl
$819
United Airlines
Aug 19
PHX6:00 amPhoenix Sky Harbor Intl
16h 55m
1 stop
OPO6:55 amPorto
Sep 22
OPO12:35 pmPorto
18h 13m
1 stop
PHX10:48 pmPhoenix Sky Harbor Intl
$839
United Airlines
Oct 4
PHX11:44 pmPhoenix Sky Harbor Intl
26h 01m
1 stop
OPO9:45 amPorto
Oct 16
OPO12:35 pmPorto
18h 07m
1 stop
PHX10:42 pmPhoenix Sky Harbor Intl
$918

Air Canada flights from Phoenix to Porto

Our best Air Canada deals on Phoenix to Porto flight tickets
Air Canada
Aug 18
PHX4:28 pmPhoenix Sky Harbor Intl
30h 32m
2 stops
OPO7:00 amPorto
Aug 25
OPO12:15 pmPorto
41h 43m
2 stops
PHX9:58 pmPhoenix Sky Harbor Intl
$822
Air Canada
Oct 1
PHX12:00 pmPhoenix Sky Harbor Intl
35h 10m
2 stops
OPO7:10 amPorto
Oct 13
OPO12:15 pmPorto
43h 02m
2 stops
PHX11:17 pmPhoenix Sky Harbor Intl
$845
Air Canada
Oct 5
PHX7:55 amPhoenix Sky Harbor Intl
15h 05m
1 stop
OPO7:00 amPorto
Oct 18
OPO11:20 amPorto
15h 56m
1 stop
PHX7:16 pmPhoenix Sky Harbor Intl
$850

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 April 29, 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

Tue 8/18

7:07 am-6:15 am

2 stops15h 08m

Porto

Tue 8/25

6:20 am-8:24 pm

2 stops22h 04m

$817

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 8/18

11:43 am-9:45 am

1 stop14h 02m

Porto

Tue 8/25

12:15 pm-3:02 pm

2 stops34h 47m

$819

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 8/18

11:50 pm-6:55 am

1 stop23h 05m

Porto

Tue 8/25

6:20 am-8:24 pm

2 stops22h 04m

$821

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 8/18

4:28 pm-7:00 am

2 stops30h 32m

Porto

Tue 8/25

12:15 pm-9:58 pm

2 stops41h 43m

$822

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 10/4

12:00 pm-10:25 am

1 stop14h 25m

Porto

Fri 10/16

5:00 am-7:34 pm

2 stops22h 34m

$832

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 10/4

6:05 am-10:25 am

2 stops20h 20m

Porto

Fri 10/16

5:00 am-7:34 pm

2 stops22h 34m

$836

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 8/19

6:00 am-6:55 am

1 stop16h 55m

Porto

Tue 9/22

12:35 pm-10:48 pm

1 stop18h 13m

$839

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 10/1

12:00 pm-7:10 am

2 stops35h 10m

Porto

Tue 10/13

12:15 pm-11:17 pm

2 stops43h 02m

$845
Quickest round-trip

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/5

7:55 am-7:00 am

1 stop15h 05m

Porto

Sun 10/18

11:20 am-7:16 pm

1 stop15h 56m

$850

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/5

7:30 am-7:00 am

2 stops15h 30m

Porto

Sun 10/18

11:20 am-7:16 pm

1 stop15h 56m

$854

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.

How far in advance should I book a flight from Phoenix 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 $834 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 02m

Direct flights

None
The fastest flight from Phoenix to Porto takes 14h 02m
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 14h 02m.

  • 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
11,678 reviews
Search American Airlines flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights
DeltaPriceFrom $646Free CancellationRating
7.9
8,466 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
Lamego
Esposende
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Ponte de Lima
Viseu
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.

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