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Cheap flights from Phoenix to Porto from $316

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 10/11. 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.
Iberia Logo
11:25 am - 11:45 am
PHX
-
OPO
17h 20m
2 stops
Iberia Logo
8:20 am - 8:07 pm
OPO
-
PHX
18h 47m
2 stops
$708Iberia
Wed, Nov 11 - Wed, Nov 18
Air Canada Logo
8:20 am - 12:05 pm
PHX
-
OPO
20h 45m
2 stops
Air Canada Logo
6:00 am - 12:23 pm
OPO
-
PHX
37h 23m
2 stops
$713Air Canada
Mon, Nov 16 - Thu, Nov 19
Delta Logo
4:10 pm - 10:00 pm
PHX
-
OPO
22h 50m
1 stop
Delta Logo
5:55 am - 1:55 pm
OPO
-
PHX
15h 00m
1 stop
$715Delta
Sun, Nov 15 - Fri, Nov 20
Delta Logo
4:10 pm - 10:00 pm
PHX
-
OPO
22h 50m
1 stop
Delta Logo
5:00 am - 9:02 pm
OPO
-
PHX
23h 02m
2 stops
$717Delta
Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
6:45 am - 9:30 am
PHX
-
OPO
19h 45m
1 stop
United Airlines Logo
6:00 am - 11:59 pm
OPO
-
PHX
24h 59m
2 stops
$717United Airlines
Sun, Nov 15 - Fri, Nov 20
United Airlines Logo
12:39 pm - 9:30 am
PHX
-
OPO
13h 51m
1 stop
United Airlines Logo
6:00 am - 10:10 pm
OPO
-
PHX
23h 10m
2 stops
$717United Airlines
Mon, Nov 16 - Thu, Nov 19
Air France Logo
8:52 am - 10:35 am
PHX
-
OPO
18h 43m
2 stops
Air France Logo
5:55 am - 1:55 pm
OPO
-
PHX
15h 00m
1 stop
$770Air France
Tue, Oct 27 - Sun, Nov 1
Air France Logo
12:46 pm - 9:05 am
PHX
-
OPO
13h 19m
1 stop
Air France Logo
11:00 am - 11:59 pm
OPO
-
PHX
19h 59m
1 stop
$776Air France
Sun, Nov 15 - Sat, Nov 21
American Airlines Logo
7:05 am - 7:40 am
PHX
-
OPO
16h 35m
2 stops
American Airlines Logo
12:25 pm - 11:26 pm
OPO
-
PHX
19h 01m
2 stops
$878American Airlines
Sun, Sep 20 - Tue, Oct 6
American Airlines Logo
6:20 am - 7:40 am
PHX
-
OPO
17h 20m
2 stops
American Airlines Logo
8:20 am - 8:49 pm
OPO
-
PHX
19h 29m
2 stops
$953American Airlines
Mon, Oct 19 - Tue, Jan 12

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KLM flights from Phoenix to Porto

Our best KLM deals on Phoenix to Porto flight tickets
KLM
Nov 4
PHX7:00 amPhoenix Sky Harbor Intl
19h 05m
1 stop
OPO9:05 amPorto
Nov 11
OPO5:55 amPorto
15h 00m
1 stop
PHX1:55 pmPhoenix Sky Harbor Intl
$721
KLM
Aug 6
PHX11:29 amPhoenix Sky Harbor Intl
15h 01m
1 stop
OPO10:30 amPorto
Aug 7
OPO12:45 pmPorto
15h 17m
1 stop
PHX8:02 pmPhoenix Sky Harbor Intl
$5,494

Iberia flights from Phoenix to Porto

Our best Iberia deals on Phoenix to Porto flight tickets
Iberia
Nov 11
PHX11:25 amPhoenix Sky Harbor Intl
17h 20m
2 stops
OPO11:45 amPorto
Nov 18
OPO8:20 amPorto
18h 47m
2 stops
PHX8:07 pmPhoenix Sky Harbor Intl
$708
Iberia
Nov 14
PHX12:06 pmPhoenix Sky Harbor Intl
36h 34m
2 stops
OPO7:40 amPorto
Nov 21
OPO4:40 pmPorto
24h 36m
2 stops
PHX10:16 amPhoenix Sky Harbor Intl
$761
Iberia
Oct 14
PHX1:14 pmPhoenix Sky Harbor Intl
22h 46m
2 stops
OPO8:00 pmPorto
Jan 12
OPO8:40 pmPorto
29h 41m
2 stops
PHX7:21 pmPhoenix Sky Harbor Intl
$794

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 30, 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

Wed 11/11

11:25 am-11:45 am

2 stops17h 20m

Porto

Wed 11/18

8:20 am-8:07 pm

2 stops18h 47m

$708

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 11/16

8:20 am-12:05 pm

2 stops20h 45m

Porto

Thu 11/19

6:00 am-12:23 pm

2 stops37h 23m

$713

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 11/15

4:10 pm-10:00 pm

1 stop22h 50m

Porto

Fri 11/20

5:55 am-1:55 pm

1 stop15h 00m

$715

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 11/15

4:10 pm-10:00 pm

1 stop22h 50m

Porto

Thu 11/19

5:00 am-9:02 pm

2 stops23h 02m

$717

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 11/15

6:45 am-9:30 am

1 stop19h 45m

Porto

Fri 11/20

6:00 am-11:59 pm

2 stops24h 59m

$717

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 11/16

12:39 pm-9:30 am

1 stop13h 51m

Porto

Thu 11/19

6:00 am-10:10 pm

2 stops23h 10m

$717

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 10/27

8:52 am-10:35 am

2 stops18h 43m

Porto

Sun 11/1

5:55 am-1:55 pm

1 stop15h 00m

$770
Quickest round-trip

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 11/15

12:46 pm-9:05 am

1 stop13h 19m

Porto

Sat 11/21

11:00 am-11:59 pm

1 stop19h 59m

$776

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 9/20

7:05 am-7:40 am

2 stops16h 35m

Porto

Tue 10/6

12:25 pm-11:26 pm

2 stops19h 01m

$878

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/19

6:20 am-7:40 am

2 stops17h 20m

Porto

Tue 1/12

8:20 am-8:49 pm

2 stops19h 29m

$953

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $646 to $973.
The lowest price recently found on this route was $708.

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Phoenix, with most prices found around $619. If you aren’t able to travel during the month of January, then book flights to Porto from Phoenix during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $653.

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 $909 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 $640 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

13h 19m

Direct flights

None
The fastest flight from Phoenix to Porto takes 13h 19m
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 13h 19m.

  • 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
11,846 reviews
Search American Airlines flights
Air FrancePriceFrom $556Free CancellationRating
7.5
1,629 reviews
Search Air France flights
United AirlinesPriceFrom $589Free CancellationRating
7.4
10,051 reviews
Search United Airlines flights
DeltaPriceFrom $646Free CancellationRating
7.8
8,495 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
Pinhao
Esposende
Lamego
Chaves
Arcos de Valdevez
Guimarães
Viseu
Espinho
Ponte de Lima
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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