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

Delta is the most popular carrier 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 46% 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 November 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.

$334 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

$704Multiple Airlines

Wed, Feb 10 - Wed, Feb 17

6:00 am - 9:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

19h 45m1 stop Newark

12:35 pm - 11:11 amOPO Porto-PHX Phoenix Sky Harbor Intl

30h 36m2 stops Newark Houston George Bush Intcntl

$736United Airlines

Mon, Apr 19 - Fri, Apr 23

5:00 am - 9:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

20h 45m2 stops Denver Intl Newark

12:35 pm - 8:16 amOPO Porto-PHX Phoenix Sky Harbor Intl

27h 41m2 stops Newark Houston George Bush Intcntl

$736United Airlines

Mon, Apr 19 - Fri, Apr 23

2:55 pm - 10:20 amPHX Phoenix Sky Harbor Intl-OPO Porto

35h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

8:40 am - 9:39 pmOPO Porto-PHX Phoenix Sky Harbor Intl

20h 59m2 stops Zurich Los Angeles

$761Multiple Airlines

Sat, Apr 17 - Sun, Apr 25

6:00 am - 10:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

20h 30m1 stop New York John F Kennedy Intl

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

15h 15m1 stop Paris Charles de Gaulle

$770Air France

Sun, Apr 11 - Sun, Apr 25

6:00 am - 10:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

20h 30m1 stop New York John F Kennedy Intl

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

15h 15m1 stop Paris Charles de Gaulle

$771Air France

Sun, Apr 11 - Sun, Apr 25

11:35 pm - 8:15 amPHX Phoenix Sky Harbor Intl-OPO Porto

25h 40m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

5:00 am - 11:05 pmOPO Porto-PHX Phoenix Sky Harbor Intl

25h 05m2 stops Amsterdam Schiphol Salt Lake City

$776Delta

Sat, Dec 12 - Fri, Dec 25

11:25 am - 3:30 pmPHX Phoenix Sky Harbor Intl-OPO Porto

20h 05m2 stops Minneapolis St Paul Amsterdam Schiphol

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

15h 15m1 stop Paris Charles de Gaulle

$778Delta

Sun, Apr 11 - Sun, Apr 25

5:00 am - 8:15 amPHX Phoenix Sky Harbor Intl-OPO Porto

19h 15m1 stop Philadelphia

8:20 am - 8:22 pmOPO Porto-PHX Phoenix Sky Harbor Intl

20h 02m2 stops Madrid Barajas Los Angeles

$778American Airlines

Sun, Apr 11 - Sun, Apr 25

11:32 pm - 8:15 amPHX Phoenix Sky Harbor Intl-OPO Porto

24h 43m1 stop Philadelphia

8:20 am - 8:22 pmOPO Porto-PHX Phoenix Sky Harbor Intl

20h 02m2 stops Madrid Barajas Los Angeles

$784American Airlines

Sat, Apr 17 - Sun, Apr 25

Cheap last minute flights

Enter your travel dates to find the best prices.

10:45 am - 9:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

15h 45m1 stop Newark

6:00 am - 10:53 pmOPO Porto-PHX Phoenix Sky Harbor Intl

23h 53m2 stops Frankfurt am Main Denver Intl

$839United Airlines

Mon, Nov 16 - Tue, Nov 24

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

19h 30m2 stops Houston George Bush Intcntl Newark

12:35 pm - 10:11 amOPO Porto-PHX Phoenix Sky Harbor Intl

28h 36m2 stops Frankfurt am Main San Francisco

$839United Airlines

Tue, Nov 17 - Tue, Nov 24

6:45 am - 9:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

19h 45m1 stop Newark

6:00 am - 9:37 pmOPO Porto-PHX Phoenix Sky Harbor Intl

22h 37m2 stops Frankfurt am Main Denver Intl

$839United Airlines

Tue, Nov 17 - Tue, Nov 24

6:25 am - 8:15 amPHX Phoenix Sky Harbor Intl-OPO Porto

18h 50m1 stop New York John F Kennedy Intl

5:00 am - 6:35 pmOPO Porto-PHX Phoenix Sky Harbor Intl

20h 35m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$841Delta

Sun, Nov 15 - Tue, Nov 24

12:55 am - 5:30 pmPHX Phoenix Sky Harbor Intl-OPO Porto

33h 35m3 stops Toronto Pearson Intl London Heathrow Zurich

8:45 am - 7:49 pmOPO Porto-PHX Phoenix Sky Harbor Intl

42h 04m3 stops Barcelona-El Prat Lisbon Humberto Delgado San Francisco

$1,249Multiple Airlines

Sat, Nov 14 - Tue, Nov 24

7:15 am - 11:20 amPHX Phoenix Sky Harbor Intl-OPO Porto

21h 05m3 stops Denver Intl Atlanta Hartsfield-Jackson Newark

11:35 am - 11:25 amOPO Porto-PHX Phoenix Sky Harbor Intl

30h 50m3 stops Madrid Barajas Miami Las Vegas Harry Reid Intl

$1,255Multiple Airlines

Tue, Nov 17 - Tue, Nov 24

7:15 am - 11:20 amPHX Phoenix Sky Harbor Intl-OPO Porto

21h 05m3 stops Denver Intl Atlanta Hartsfield-Jackson Newark

5:00 am - 11:38 pmOPO Porto-PHX Phoenix Sky Harbor Intl

25h 38m2 stops Lisbon Humberto Delgado Los Angeles

$1,357Multiple Airlines

Tue, Nov 17 - Tue, Nov 24

11:35 am - 11:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

17h 10m2 stops Houston George Bush Intcntl Frankfurt am Main

6:00 am - 7:16 pmOPO Porto-PHX Phoenix Sky Harbor Intl

20h 16m2 stops Frankfurt am Main Chicago O'Hare Intl

$5,781Lufthansa

Thu, Nov 12 - Tue, Nov 24

9:55 am - 11:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

18h 50m2 stops Chicago O'Hare Intl Frankfurt am Main

6:00 am - 7:55 pmOPO Porto-PHX Phoenix Sky Harbor Intl

20h 55m2 stops Frankfurt am Main Denver Intl

$5,867Lufthansa

Thu, Nov 12 - Tue, Nov 24

6:45 am - 9:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

19h 45m1 stop Newark

6:00 am - 7:55 pmOPO Porto-PHX Phoenix Sky Harbor Intl

20h 55m2 stops Frankfurt am Main Denver Intl

$8,972Lufthansa

Thu, Nov 12 - Tue, Nov 24

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United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets

United Airlines

Apr 19

PHX6:00 amPhoenix Sky Harbor Intl

19h 45m

1 stop

OPO9:45 amPorto

Apr 23

OPO12:35 pmPorto

30h 36m

2 stops

PHX11:11 amPhoenix Sky Harbor Intl

$736

United Airlines

Feb 10

PHX7:00 amPhoenix Sky Harbor Intl

25h 20m

3 stops

OPO3:20 pmPorto

Feb 17

OPO6:00 amPorto

20h 50m

2 stops

PHX7:50 pmPhoenix Sky Harbor Intl

$740

United Airlines

Dec 9

PHX6:35 amPhoenix Sky Harbor Intl

19h 55m

1 stop

OPO9:30 amPorto

Dec 16

OPO6:00 amPorto

19h 02m

2 stops

PHX6:02 pmPhoenix Sky Harbor Intl

$789

Lufthansa flights from Phoenix to Porto

Our best Lufthansa deals on Phoenix to Porto flight tickets

Lufthansa

Dec 2

PHX9:30 amPhoenix Sky Harbor Intl

31h 25m

2 stops

OPO11:55 pmPorto

Dec 11

OPO6:00 amPorto

22h 10m

2 stops

PHX9:10 pmPhoenix Sky Harbor Intl

$834

Lufthansa

Nov 12

PHX11:35 amPhoenix Sky Harbor Intl

17h 10m

2 stops

OPO11:45 amPorto

Nov 24

OPO6:00 amPorto

20h 16m

2 stops

PHX7:16 pmPhoenix Sky Harbor Intl

$5,781

Lufthansa

Nov 12

PHX9:55 amPhoenix Sky Harbor Intl

18h 50m

2 stops

OPO11:45 amPorto

Nov 24

OPO6:00 amPorto

20h 55m

2 stops

PHX7:55 pmPhoenix Sky Harbor Intl

$5,867

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

Wed 2/17

6:00 am-12:45 pm

2 stops37h 45m

$704

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/19

6:00 am-9:45 am

1 stop19h 45m

Porto

Fri 4/23

12:35 pm-11:11 am

2 stops30h 36m

$736

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/19

5:00 am-9:45 am

2 stops20h 45m

Porto

Fri 4/23

12:35 pm-8:16 am

2 stops27h 41m

$736

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sat 4/17

2:55 pm-10:20 am

2 stops35h 25m

Porto

Sun 4/25

8:40 am-9:39 pm

2 stops20h 59m

$761

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/11

6:00 am-10:30 am

1 stop20h 30m

Porto

Sun 4/25

5:55 am-1:10 pm

1 stop15h 15m

$770

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/11

6:00 am-10:30 am

1 stop20h 30m

Porto

Sun 4/25

5:55 am-1:10 pm

1 stop15h 15m

$771

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sat 12/12

11:35 pm-8:15 am

2 stops25h 40m

Porto

Fri 12/25

5:00 am-11:05 pm

2 stops25h 05m

$776

Quickest round-trip

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/11

11:25 am-3:30 pm

2 stops20h 05m

Porto

Sun 4/25

5:55 am-1:10 pm

1 stop15h 15m

$778

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/11

5:00 am-8:15 am

1 stop19h 15m

Porto

Sun 4/25

8:20 am-8:22 pm

2 stops20h 02m

$778

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sat 4/17

11:32 pm-8:15 am

1 stop24h 43m

Porto

Sun 4/25

8:20 am-8:22 pm

2 stops20h 02m

$784

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 $815.
The lowest price recently found on this route was $776.

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	$334
Fastest flight time	15h 45m
Direct flights	None

The best one-way flight to Porto from Phoenix in the past 72 hours is $334. The best round-trip flight deal from Phoenix to Porto found on momondo in the last 72 hours is $704.

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 November 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 12,224 reviews	Search American Airlines flights
Lufthansa	PriceFrom $492	Free Cancellation	Rating 6.8 8,290 reviews	Search Lufthansa flights
Air France	PriceFrom $556	Free Cancellation	Rating 7.5 1,648 reviews	Search Air France flights
Delta	PriceFrom $646	Free Cancellation	Rating 7.8 8,706 reviews	Search Delta flights
United Airlines	PriceFrom $725	Free Cancellation	Rating 7.3 10,474 reviews	Search United Airlines flights

Braga

Coimbra

Vila Nova de Gaia

Aveiro

Pinhao

Esposende

Matosinhos

Chaves

Viseu

Espinho

Arcos de Valdevez

Lamego

Guimarães

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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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 4/26. 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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United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets

Lufthansa flights from Phoenix to Porto

Our best Lufthansa deals on Phoenix to Porto flight tickets

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How to get the cheapest flight ticket from Phoenix to Porto

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

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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