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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 11/9. 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
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.
Multiple Airlines Logo
8:20 am - 12:05 pmPHX  Phoenix Sky Harbor Intl-OPO Porto
20h 45m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National
Multiple Airlines Logo
6:15 am - 11:55 amOPO  Porto-PHX Phoenix Sky Harbor Intl
36h 40m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$702Multiple Airlines
Mon, Nov 23 - Fri, Nov 27
SWISS Logo
5:00 pm - 11:15 amPHX  Phoenix Sky Harbor Intl-OPO Porto
35h 15m2 stops Los Angeles Zurich
SWISS Logo
12:05 pm - 10:39 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
41h 34m2 stops Zurich Los Angeles
$706SWISS
Mon, Jan 25 - Mon, Feb 1
Air Canada Logo
8:20 am - 12:05 pmPHX  Phoenix Sky Harbor Intl-OPO Porto
20h 45m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National
Air Canada Logo
6:00 am - 12:23 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
37h 23m2 stops Frankfurt am Main Vancouver Intl
$714Air Canada
Mon, Nov 9 - Thu, Nov 12
Delta Logo
12:46 pm - 9:05 amPHX  Phoenix Sky Harbor Intl-OPO Porto
13h 19m1 stop New York John F Kennedy Intl
Delta Logo
5:55 am - 1:55 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
15h 00m1 stop Paris Charles de Gaulle
$716Delta
Wed, Dec 9 - Tue, Dec 15
Delta Logo
4:10 pm - 10:00 pmPHX  Phoenix Sky Harbor Intl-OPO Porto
22h 50m1 stop Paris Charles de Gaulle
Delta Logo
5:55 am - 1:55 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
15h 00m1 stop Paris Charles de Gaulle
$716Delta
Sun, Nov 8 - Wed, Nov 11
Delta Logo
7:05 am - 9:05 amPHX  Phoenix Sky Harbor Intl-OPO Porto
19h 00m1 stop New York John F Kennedy Intl
Delta Logo
5:55 am - 1:55 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
15h 00m1 stop Paris Charles de Gaulle
$716Delta
Sun, Nov 8 - Fri, Nov 13
United Airlines Logo
12:47 pm - 9:30 amPHX  Phoenix Sky Harbor Intl-OPO Porto
13h 43m1 stop Newark
United Airlines Logo
6:00 am - 10:10 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
23h 10m2 stops Frankfurt am Main Newark
$717United Airlines
Mon, Nov 9 - Thu, Nov 12
United Airlines Logo
7:00 am - 9:30 amPHX  Phoenix Sky Harbor Intl-OPO Porto
19h 30m2 stops Los Angeles Newark
United Airlines Logo
6:00 am - 10:53 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
23h 53m2 stops Frankfurt am Main Denver Intl
$717United Airlines
Mon, Nov 9 - Fri, Nov 13
Air France Logo
12:46 pm - 9:05 amPHX  Phoenix Sky Harbor Intl-OPO Porto
13h 19m1 stop New York John F Kennedy Intl
Air France Logo
11:00 am - 9:02 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
17h 02m1 stop New York John F Kennedy Intl
$886Air France
Fri, Nov 6 - Sat, Nov 14
Air France Logo
3:25 pm - 3:25 pmPHX  Phoenix Sky Harbor Intl-OPO Porto
16h 00m1 stop Paris Charles de Gaulle
Air France Logo
6:15 am - 1:10 pmOPO  Porto-PHX Phoenix Sky Harbor Intl
14h 55m1 stop Paris Charles de Gaulle
$924Air France
Tue, Sep 15 - Tue, Sep 22

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Delta flights from Phoenix to Porto

Our best Delta deals on Phoenix to Porto flight tickets
Delta
Nov 8
PHX4:10 pmPhoenix Sky Harbor Intl
22h 50m
1 stop
OPO10:00 pmPorto
Nov 11
OPO5:55 amPorto
15h 00m
1 stop
PHX1:55 pmPhoenix Sky Harbor Intl
$716
Delta
Nov 8
PHX4:10 pmPhoenix Sky Harbor Intl
22h 50m
1 stop
OPO10:00 pmPorto
Nov 13
OPO5:00 amPorto
22h 57m
2 stops
PHX8:57 pmPhoenix Sky Harbor Intl
$718
Delta
Nov 8
PHX7:05 amPhoenix Sky Harbor Intl
19h 00m
1 stop
OPO9:05 amPorto
Nov 10
OPO11:15 amPorto
39h 17m
2 stops
PHX7:32 pmPhoenix Sky Harbor Intl
$719

United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets
United Airlines
Nov 9
PHX12:47 pmPhoenix Sky Harbor Intl
13h 43m
1 stop
OPO9:30 amPorto
Nov 13
OPO6:00 amPorto
22h 37m
2 stops
PHX9:37 pmPhoenix Sky Harbor Intl
$717
United Airlines
Nov 23
PHX9:55 amPhoenix Sky Harbor Intl
16h 35m
2 stops
OPO9:30 amPorto
Nov 27
OPO6:00 amPorto
25h 01m
2 stops
PHX12:01 amPhoenix Sky Harbor Intl
$722
United Airlines
Dec 9
PHX7:00 amPhoenix Sky Harbor Intl
19h 30m
2 stops
OPO9:30 amPorto
Dec 11
OPO12:35 pmPorto
18h 02m
1 stop
PHX11:37 pmPhoenix Sky Harbor Intl
$726

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 August 11, 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 Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 11/23

8:20 am-12:05 pm

2 stops20h 45m

Porto

Fri 11/27

6:15 am-11:55 am

2 stops36h 40m

$702

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 1/25

5:00 pm-11:15 am

2 stops35h 15m

Porto

Mon 2/1

12:05 pm-10:39 pm

2 stops41h 34m

$706

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 11/9

8:20 am-12:05 pm

2 stops20h 45m

Porto

Thu 11/12

6:00 am-12:23 pm

2 stops37h 23m

$714
Quickest round-trip

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 12/9

12:46 pm-9:05 am

1 stop13h 19m

Porto

Tue 12/15

5:55 am-1:55 pm

1 stop15h 00m

$716

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 11/8

4:10 pm-10:00 pm

1 stop22h 50m

Porto

Wed 11/11

5:55 am-1:55 pm

1 stop15h 00m

$716

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 11/8

7:05 am-9:05 am

1 stop19h 00m

Porto

Fri 11/13

5:55 am-1:55 pm

1 stop15h 00m

$716

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 11/9

12:47 pm-9:30 am

1 stop13h 43m

Porto

Thu 11/12

6:00 am-10:10 pm

2 stops23h 10m

$717

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 11/9

7:00 am-9:30 am

2 stops19h 30m

Porto

Fri 11/13

6:00 am-10:53 pm

2 stops23h 53m

$717

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Fri 11/6

12:46 pm-9:05 am

1 stop13h 19m

Porto

Sat 11/14

11:00 am-9:02 pm

1 stop17h 02m

$886

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Tue 9/15

3:25 pm-3:25 pm

1 stop16h 00m

Porto

Tue 9/22

6:15 am-1:10 pm

1 stop14h 55m

$924

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 $978.
The lowest price recently found on this route was $702.

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 $720.

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 $932 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 30m

Direct flights

None
The fastest flight from Phoenix to Porto takes 13h 30m
There are no direct flights from Phoenix to Porto. There are no popular flight routes from Phoenix to Porto.
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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 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
11,902 reviews
Search American Airlines flights
Air FrancePriceFrom $556Free CancellationRating
7.5
1,640 reviews
Search Air France flights
United AirlinesPriceFrom $597Free CancellationRating
7.4
10,102 reviews
Search United Airlines flights
DeltaPriceFrom $646Free CancellationRating
7.8
8,506 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
Chaves
Arcos de Valdevez
Viseu
Guimarães
Espinho
Lamego
Ponte de Lima
Mesao Frio
Penafiel
Caminha
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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