What is the cheapest airline that flies from Phoenix to Porto?

KLM and Delta are the most popular carriers operating from Phoenix to Porto

What airlines fly to Porto?

Delta, United Airlines and Air France are the top three most popular airlines that fly to Porto from Phoenix according to our data. Delta is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 5 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

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?

As of October 2026, there are 5 operators available to choose from 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.

$329 Cheap Flights from Phoenix to Porto in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Phoenix to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:38 pm - 11:15 amPHX Phoenix Sky Harbor Intl-OPO Porto

37h 37m2 stops Los Angeles Zurich

6:00 am - 12:45 pmOPO Porto-PHX Phoenix Sky Harbor Intl

37h 45m2 stops Frankfurt am Main Toronto Pearson Intl

$703Multiple Airlines

Wed, Feb 10 - Tue, Feb 16

5:51 pm - 10:00 pmPHX Phoenix Sky Harbor Intl-OPO Porto

21h 09m2 stops Los Angeles Paris Charles de Gaulle

5:55 am - 1:55 pmOPO Porto-PHX Phoenix Sky Harbor Intl

15h 00m1 stop Paris Charles de Gaulle

$724Delta

Wed, Feb 10 - Tue, Feb 16

12:21 pm - 3:20 pmPHX Phoenix Sky Harbor Intl-OPO Porto

19h 59m2 stops Chicago O'Hare Intl Frankfurt am Main

6:00 am - 12:15 amOPO Porto-PHX Phoenix Sky Harbor Intl

25h 15m3 stops Frankfurt am Main Newark San Francisco

$739United Airlines

Wed, Feb 10 - Tue, Feb 16

12:25 pm - 11:25 pmPHX Phoenix Sky Harbor Intl-OPO Porto

27h 00m2 stops Vancouver Intl Munich Franz Josef Strauss

6:00 am - 11:24 amOPO Porto-PHX Phoenix Sky Harbor Intl

37h 24m2 stops Frankfurt am Main Vancouver Intl

$763Multiple Airlines

Sun, Apr 11 - Sun, Apr 25

12:10 pm - 3:30 pmPHX Phoenix Sky Harbor Intl-OPO Porto

19h 20m2 stops Los Angeles Amsterdam Schiphol

5:55 am - 1:10 pmOPO Porto-PHX Phoenix Sky Harbor Intl

15h 15m1 stop Paris Charles de Gaulle

$777Delta

Sun, Apr 11 - Sun, Apr 25

7:00 am - 9:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

19h 30m2 stops Houston George Bush Intcntl Newark

6:00 am - 9:10 pmOPO Porto-PHX Phoenix Sky Harbor Intl

22h 10m2 stops Frankfurt am Main Newark

$789United Airlines

Tue, Dec 8 - Tue, Dec 15

9:43 am - 11:55 pmPHX Phoenix Sky Harbor Intl-OPO Porto

31h 12m2 stops San Francisco Munich Franz Josef Strauss

1:45 pm - 9:40 pmOPO Porto-PHX Phoenix Sky Harbor Intl

38h 55m2 stops Munich Franz Josef Strauss Los Angeles

$841Lufthansa

Thu, Jan 7 - Wed, Jan 13

3:25 pm - 3:25 pmPHX Phoenix Sky Harbor Intl-OPO Porto

16h 00m1 stop Paris Charles de Gaulle

12:25 pm - 7:34 pmOPO Porto-PHX Phoenix Sky Harbor Intl

15h 09m1 stop New York John F Kennedy Intl

$866Air France

Sun, Apr 25 - Mon, May 10

3:25 pm - 3:25 pmPHX Phoenix Sky Harbor Intl-OPO Porto

16h 00m1 stop Paris Charles de Gaulle

12:25 pm - 7:34 pmOPO Porto-PHX Phoenix Sky Harbor Intl

15h 09m1 stop New York John F Kennedy Intl

$867Air France

Sun, Apr 25 - Mon, May 10

4:37 pm - 11:55 pmPHX Phoenix Sky Harbor Intl-OPO Porto

24h 18m2 stops San Francisco Munich Franz Josef Strauss

6:15 am - 9:25 pmOPO Porto-PHX Phoenix Sky Harbor Intl

22h 10m2 stops Munich Franz Josef Strauss Los Angeles

$898Lufthansa

Wed, Nov 11 - Sun, Nov 15

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Lufthansa flights from Phoenix to Porto

Our best Lufthansa deals on Phoenix to Porto flight tickets

Lufthansa

Jan 7

PHX9:43 amPhoenix Sky Harbor Intl

31h 12m

2 stops

OPO11:55 pmPorto

Jan 13

OPO1:45 pmPorto

38h 55m

2 stops

PHX9:40 pmPhoenix Sky Harbor Intl

$841

Lufthansa

Nov 11

PHX4:37 pmPhoenix Sky Harbor Intl

24h 18m

2 stops

OPO11:55 pmPorto

Nov 15

OPO6:15 amPorto

22h 10m

2 stops

PHX9:25 pmPhoenix Sky Harbor Intl

$898

Lufthansa

Nov 13

PHX4:37 pmPhoenix Sky Harbor Intl

24h 03m

2 stops

OPO11:40 pmPorto

Nov 22

OPO6:00 amPorto

22h 04m

2 stops

PHX9:04 pmPhoenix Sky Harbor Intl

$934

United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets

United Airlines

Feb 10

PHX12:21 pmPhoenix Sky Harbor Intl

19h 59m

2 stops

OPO3:20 pmPorto

Feb 16

OPO6:00 amPorto

25h 15m

3 stops

PHX12:15 amPhoenix Sky Harbor Intl

$739

United Airlines

Dec 8

PHX7:00 amPhoenix Sky Harbor Intl

19h 30m

2 stops

OPO9:30 amPorto

Dec 15

OPO6:00 amPorto

22h 10m

2 stops

PHX9:10 pmPhoenix Sky Harbor Intl

$789

United Airlines

Dec 8

PHX6:35 amPhoenix Sky Harbor Intl

19h 55m

1 stop

OPO9:30 amPorto

Dec 15

OPO12:35 pmPorto

15h 35m

1 stop

PHX9:10 pmPhoenix Sky Harbor Intl

$799

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 2/10

2:38 pm-11:15 am

2 stops37h 37m

Porto

Tue 2/16

6:00 am-12:45 pm

2 stops37h 45m

$703

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 2/10

5:51 pm-10:00 pm

2 stops21h 09m

Porto

Tue 2/16

5:55 am-1:55 pm

1 stop15h 00m

$724

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 2/10

12:21 pm-3:20 pm

2 stops19h 59m

Porto

Tue 2/16

6:00 am-12:15 am

3 stops25h 15m

$739

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/11

12:25 pm-11:25 pm

2 stops27h 00m

Porto

Sun 4/25

6:00 am-11:24 am

2 stops37h 24m

$763

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/11

12:10 pm-3:30 pm

2 stops19h 20m

Porto

Sun 4/25

5:55 am-1:10 pm

1 stop15h 15m

$777

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Tue 12/8

7:00 am-9:30 am

2 stops19h 30m

Porto

Tue 12/15

6:00 am-9:10 pm

2 stops22h 10m

$789

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Thu 1/7

9:43 am-11:55 pm

2 stops31h 12m

Porto

Wed 1/13

1:45 pm-9:40 pm

2 stops38h 55m

$841

Quickest round-trip

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/25

3:25 pm-3:25 pm

1 stop16h 00m

Porto

Mon 5/10

12:25 pm-7:34 pm

1 stop15h 09m

$866

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/25

3:25 pm-3:25 pm

1 stop16h 00m

Porto

Mon 5/10

12:25 pm-7:34 pm

1 stop15h 09m

$867

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 11/11

4:37 pm-11:55 pm

2 stops24h 18m

Porto

Sun 11/15

6:15 am-9:25 pm

2 stops22h 10m

$898

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

Prices are currently low for flights on this route.

Typical prices usually range from $804 to $850.
The lowest price recently found on this route was $703.

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 April instead. Flights to Porto in April, while not as cheap as those in January, still average around $778.

Cheap Phoenix to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix to Porto

Best Price Found	$329
Fastest flight time	15h 45m
Direct flights	None

The best one-way flight to Porto from Phoenix in the past 72 hours is $329. The best round-trip flight deal from Phoenix to Porto found on momondo in the last 72 hours is $703.

The fastest flight from Phoenix to Porto takes 15h 45m

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 45m.
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?
As of October 2026, there are 5 operators available to choose from 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 Airlines	PriceFrom $460	Free Cancellation	Rating 7.0 12,210 reviews	Search American Airlines flights
Lufthansa	PriceFrom $492	Free Cancellation	Rating 6.8 8,298 reviews	Search Lufthansa flights
Air France	PriceFrom $556	Free Cancellation	Rating 7.5 1,653 reviews	Search Air France flights
Delta	PriceFrom $646	Free Cancellation	Rating 7.8 8,692 reviews	Search Delta flights
United Airlines	PriceFrom $697	Free Cancellation	Rating 7.3 10,451 reviews	Search United Airlines flights

Braga

Coimbra

Vila Nova de Gaia

Aveiro

Pinhao

Matosinhos

Esposende

Chaves

Viseu

Espinho

Arcos de Valdevez

Guimarães

Lamego

Caminha

Penafiel

Ponte de Lima

Mira

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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Azores Airport

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Cheap flights from Phoenix to Porto from $329

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 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Lufthansa flights from Phoenix to Porto

Our best Lufthansa deals on Phoenix to Porto flight tickets

United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets

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How to get the cheapest flight ticket from Phoenix to Porto

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What is the cheapest month to fly to Porto?

What is the cheapest airline that flies from Phoenix to Porto?

What airlines fly to Porto?

Cheap Phoenix to Porto flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Phoenix to Porto

Best airlines flying from Phoenix to Porto

Compare and see reviews for airlines that fly from Phoenix to Porto with momondo

Traveling to a place near Porto?

Why use momondo?

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly your favorite airline to Porto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Porto. Availability may vary depending on flight origin and airline.

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