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Cheap flights from Phoenix to Porto from $466

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 5/23. 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.
United Airlines Logo
11:59 pm - 9:45 am
PHX
-
OPO
25h 46m
2 stops
United Airlines Logo
12:45 pm - 2:54 pm
OPO
-
PHX
34h 09m
2 stops
$842United Airlines
Thu, Oct 1 - Wed, Oct 14
American Airlines Logo
6:08 am - 7:40 am
PHX
-
OPO
17h 32m
2 stops
American Airlines Logo
8:20 am - 9:01 pm
OPO
-
PHX
20h 41m
2 stops
$843American Airlines
Sun, Oct 4 - Fri, Oct 16
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
Air Canada Logo
7:55 am - 7:00 am
PHX
-
OPO
15h 05m
1 stop
Air Canada Logo
11:20 am - 11:01 am
OPO
-
PHX
31h 41m
2 stops
$858Air Canada
Mon, Oct 5 - Sun, Oct 18
KLM Logo
3:25 pm - 3:25 pm
PHX
-
OPO
16h 00m
1 stop
KLM Logo
5:55 am - 1:10 pm
OPO
-
PHX
15h 15m
1 stop
$867KLM
Sun, May 10 - Sun, May 17
KLM Logo
3:25 pm - 10:00 pm
PHX
-
OPO
22h 35m
1 stop
KLM Logo
5:00 am - 4:37 pm
OPO
-
PHX
19h 37m
2 stops
$869KLM
Sun, May 10 - Sun, May 17
Air Canada Logo
11:27 am - 7:00 am
PHX
-
OPO
35h 33m
2 stops
Air Canada Logo
11:20 am - 11:01 am
OPO
-
PHX
31h 41m
2 stops
$874Air Canada
Mon, Oct 5 - Sun, Oct 18
Delta Logo
12:45 pm - 3:30 pm
PHX
-
OPO
18h 45m
2 stops
Delta Logo
5:00 am - 8:10 pm
OPO
-
PHX
23h 10m
2 stops
$878Delta
Sun, May 10 - Sun, May 17
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
$899Air Canada
Mon, Oct 5 - Sun, Oct 18
Delta Logo
3:25 pm - 3:30 pm
PHX
-
OPO
16h 05m
1 stop
Delta Logo
5:00 am - 4:35 pm
OPO
-
PHX
19h 35m
2 stops
$904Delta
Sun, Oct 4 - Fri, Oct 16

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 18
OPO11:20 amPorto
15h 56m
1 stop
PHX7:16 pmPhoenix Sky Harbor Intl
$850
Air Canada
Oct 5
PHX7:55 amPhoenix Sky Harbor Intl
15h 05m
1 stop
OPO7:00 amPorto
Oct 18
OPO11:20 amPorto
31h 41m
2 stops
PHX11:01 amPhoenix Sky Harbor Intl
$858
Air Canada
Oct 5
PHX11:27 amPhoenix Sky Harbor Intl
35h 33m
2 stops
OPO7:00 amPorto
Oct 18
OPO11:20 amPorto
31h 41m
2 stops
PHX11:01 amPhoenix Sky Harbor Intl
$874

Delta flights from Phoenix to Porto

Our best Delta deals on Phoenix to Porto flight tickets
Delta
Apr 20
PHX9:35 amPhoenix Sky Harbor Intl
21h 50m
2 stops
OPO3:25 pmPorto
Apr 30
OPO5:55 amPorto
15h 15m
1 stop
PHX1:10 pmPhoenix Sky Harbor Intl
$870
Delta
Apr 20
PHX9:35 amPhoenix Sky Harbor Intl
21h 50m
2 stops
OPO3:25 pmPorto
Apr 30
OPO5:55 amPorto
15h 15m
1 stop
PHX1:10 pmPhoenix Sky Harbor Intl
$871
Delta
Apr 20
PHX9:35 amPhoenix Sky Harbor Intl
21h 50m
2 stops
OPO3:25 pmPorto
Apr 30
OPO5:00 amPorto
19h 45m
2 stops
PHX4:45 pmPhoenix Sky Harbor Intl
$873

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 13, 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

Thu 10/1

11:59 pm-9:45 am

2 stops25h 46m

Porto

Wed 10/14

12:45 pm-2:54 pm

2 stops34h 09m

$842

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 10/4

6:08 am-7:40 am

2 stops17h 32m

Porto

Fri 10/16

8:20 am-9:01 pm

2 stops20h 41m

$843
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

7:55 am-7:00 am

1 stop15h 05m

Porto

Sun 10/18

11:20 am-11:01 am

2 stops31h 41m

$858

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 5/10

3:25 pm-3:25 pm

1 stop16h 00m

Porto

Sun 5/17

5:55 am-1:10 pm

1 stop15h 15m

$867

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 5/10

3:25 pm-10:00 pm

1 stop22h 35m

Porto

Sun 5/17

5:00 am-4:37 pm

2 stops19h 37m

$869

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/5

11:27 am-7:00 am

2 stops35h 33m

Porto

Sun 10/18

11:20 am-11:01 am

2 stops31h 41m

$874

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 5/10

12:45 pm-3:30 pm

2 stops18h 45m

Porto

Sun 5/17

5:00 am-8:10 pm

2 stops23h 10m

$878

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

$899

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 10/4

3:25 pm-3:30 pm

1 stop16h 05m

Porto

Fri 10/16

5:00 am-4:35 pm

2 stops19h 35m

$904

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 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 January instead. Flights to Porto in January, while not as cheap as those in November, still average around $619.

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 $826 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

16h 00m

Direct flights

None
The fastest flight from Phoenix to Porto takes 16h 00m
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 16h 00m.

  • 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
11,572 reviews
Search American Airlines flights
British AirwaysPriceFrom $523Free CancellationRating
6.7
7,882 reviews
Search British Airways flights
United AirlinesPriceFrom $597Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
DeltaPriceFrom $646Free CancellationRating
7.9
8,408 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
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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