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

Air Canada is the most popular carrier operating from Phoenix to Porto

What airlines fly to Porto?

Delta, United Airlines and American Airlines 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 42% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 4 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 August 2026, there are 4 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.

$384 Cheap Flights from Phoenix to Porto in 2026

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.

8:30 am - 11:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

20h 15m2 stops Dallas/Fort Worth Madrid Barajas

8:20 am - 8:49 pmOPO Porto-PHX Phoenix Sky Harbor Intl

19h 29m2 stops Madrid Barajas New York John F Kennedy Intl

$708Iberia

Tue, Dec 1 - Tue, Dec 15

10:08 am - 11:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

18h 37m2 stops New York John F Kennedy Intl Madrid Barajas

12:25 pm - 10:30 amOPO Porto-PHX Phoenix Sky Harbor Intl

29h 05m2 stops Madrid Barajas New York John F Kennedy Intl

$708Finnair

Wed, Feb 17 - Wed, Feb 24

11:59 pm - 8:15 amPHX Phoenix Sky Harbor Intl-OPO Porto

25h 16m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

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

15h 00m1 stop Paris Charles de Gaulle

$721Delta

Sat, Dec 5 - Wed, Dec 9

4:10 pm - 10:00 pmPHX Phoenix Sky Harbor Intl-OPO Porto

22h 50m1 stop Paris Charles de Gaulle

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

15h 00m1 stop Paris Charles de Gaulle

$722Delta

Tue, Jan 12 - Tue, Jan 26

1:00 pm - 9:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

13h 30m1 stop Newark

12:35 pm - 9:10 pmOPO Porto-PHX Phoenix Sky Harbor Intl

15h 35m1 stop Newark

$726United Airlines

Tue, Dec 8 - Fri, Dec 11

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

19h 30m2 stops Houston George Bush Intcntl Newark

12:35 pm - 9:10 pmOPO Porto-PHX Phoenix Sky Harbor Intl

15h 35m1 stop Newark

$726United Airlines

Tue, Dec 8 - Fri, Dec 11

9:55 am - 10:35 amPHX Phoenix Sky Harbor Intl-OPO Porto

17h 40m2 stops Minneapolis St Paul Paris Charles de Gaulle

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

15h 00m1 stop Paris Charles de Gaulle

$727Air France

Mon, Jan 11 - Tue, Jan 26

12:00 pm - 12:50 pmPHX Phoenix Sky Harbor Intl-OPO Porto

17h 50m2 stops Denver Intl Munich Franz Josef Strauss

6:00 am - 9:04 pmOPO Porto-PHX Phoenix Sky Harbor Intl

22h 04m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$821Lufthansa

Mon, Oct 26 - Sun, Nov 1

12:00 pm - 12:50 pmPHX Phoenix Sky Harbor Intl-OPO Porto

17h 50m2 stops Denver Intl 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 Los Angeles

$863Lufthansa

Tue, Oct 27 - Sun, Nov 1

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

16h 00m1 stop Paris Charles de Gaulle

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

15h 00m1 stop Paris Charles de Gaulle

$875Air France

Fri, Oct 23 - Fri, Oct 30

Cheap last minute flights

Enter your travel dates to find the best prices.

6:15 am - 6:55 amPHX Phoenix Sky Harbor Intl-OPO Porto

16h 40m1 stop Newark

12:15 pm - 6:33 pmOPO Porto-PHX Phoenix Sky Harbor Intl

38h 18m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$1,116United Airlines

Wed, Aug 26 - Tue, Sep 8

6:15 am - 6:55 amPHX Phoenix Sky Harbor Intl-OPO Porto

16h 40m1 stop Newark

12:15 pm - 8:24 pmOPO Porto-PHX Phoenix Sky Harbor Intl

40h 09m3 stops Montreal Pierre Elliott Trudeau Intl New York LaGuardia Denver Intl

$1,116United Airlines

Wed, Aug 26 - Tue, Sep 8

6:15 am - 6:55 amPHX Phoenix Sky Harbor Intl-OPO Porto

16h 40m1 stop Newark

11:50 am - 6:53 pmOPO Porto-PHX Phoenix Sky Harbor Intl

39h 03m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$1,116United Airlines

Wed, Aug 26 - Thu, Sep 10

6:20 am - 7:00 amPHX Phoenix Sky Harbor Intl-OPO Porto

16h 40m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

11:50 am - 5:53 pmOPO Porto-PHX Phoenix Sky Harbor Intl

38h 03m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$1,119Air Canada

Wed, Aug 26 - Thu, Sep 10

6:15 am - 6:55 amPHX Phoenix Sky Harbor Intl-OPO Porto

16h 40m1 stop Newark

9:00 am - 6:53 pmOPO Porto-PHX Phoenix Sky Harbor Intl

17h 53m1 stop Newark

$1,136United Airlines

Wed, Aug 26 - Thu, Sep 10

12:15 pm - 6:55 amPHX Phoenix Sky Harbor Intl-OPO Porto

34h 40m3 stops Houston George Bush Intcntl Washington, D.C. Reagan-National Newark

4:35 pm - 6:00 pmOPO Porto-PHX Phoenix Sky Harbor Intl

33h 25m2 stops Frankfurt am Main Los Angeles Los Angeles

$1,223Multiple Airlines

Wed, Aug 26 - Tue, Sep 8

12:00 pm - 12:40 amPHX Phoenix Sky Harbor Intl-OPO Porto

28h 40m3 stops Toronto Pearson Intl Amsterdam Schiphol Lisbon Humberto Delgado

6:15 am - 9:35 pmOPO Porto-PHX Phoenix Sky Harbor Intl

23h 20m3 stops Madrid Barajas Halifax Intl Calgary

$1,264Multiple Airlines

Wed, Aug 26 - Tue, Sep 8

12:35 pm - 10:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

13h 55m1 stop New York John F Kennedy Intl

6:15 am - 1:10 pmOPO Porto-PHX Phoenix Sky Harbor Intl

14h 55m1 stop Paris Charles de Gaulle

$1,316Air France

Wed, Aug 26 - Tue, Sep 8

12:00 pm - 11:10 pmPHX Phoenix Sky Harbor Intl-OPO Porto

27h 10m3 stops Toronto Pearson Intl Rome Fiumicino Lisbon Humberto Delgado

10:00 am - 11:04 amOPO Porto-PHX Phoenix Sky Harbor Intl

33h 04m3 stops Lisbon Humberto Delgado Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$1,338Multiple Airlines

Wed, Aug 26 - Thu, Sep 10

12:00 pm - 11:10 pmPHX Phoenix Sky Harbor Intl-OPO Porto

27h 10m2 stops Toronto Pearson Intl Lisbon Humberto Delgado

12:35 pm - 11:04 amOPO Porto-PHX Phoenix Sky Harbor Intl

30h 29m3 stops Lisbon Humberto Delgado Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$1,361Multiple Airlines

Wed, Aug 26 - Thu, Sep 10

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United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets

United Airlines

Dec 8

PHX1:00 pmPhoenix Sky Harbor Intl

13h 30m

1 stop

OPO9:30 amPorto

Dec 11

OPO12:35 pmPorto

15h 35m

1 stop

PHX9:10 pmPhoenix Sky Harbor Intl

$726

United Airlines

Dec 8

PHX1:00 pmPhoenix Sky Harbor Intl

13h 30m

1 stop

OPO9:30 amPorto

Dec 11

OPO12:35 pmPorto

15h 35m

1 stop

PHX9:10 pmPhoenix Sky Harbor Intl

$727

United Airlines

Dec 5

PHX5:00 pmPhoenix Sky Harbor Intl

33h 30m

2 stops

OPO9:30 amPorto

Dec 9

OPO12:35 pmPorto

18h 02m

1 stop

PHX11:37 pmPhoenix Sky Harbor Intl

$731

Delta flights from Phoenix to Porto

Our best Delta deals on Phoenix to Porto flight tickets

Delta

Dec 5

PHX11:59 pmPhoenix Sky Harbor Intl

25h 16m

2 stops

OPO8:15 amPorto

Dec 9

OPO5:55 amPorto

15h 00m

1 stop

PHX1:55 pmPhoenix Sky Harbor Intl

$721

Delta

Jan 12

PHX4:10 pmPhoenix Sky Harbor Intl

22h 50m

1 stop

OPO10:00 pmPorto

Jan 26

OPO5:55 amPorto

15h 00m

1 stop

PHX1:55 pmPhoenix Sky Harbor Intl

$722

Delta

Jan 12

PHX1:00 pmPhoenix Sky Harbor Intl

26h 00m

2 stops

OPO10:00 pmPorto

Jan 29

OPO5:00 amPorto

18h 57m

2 stops

PHX4:57 pmPhoenix Sky Harbor Intl

$724

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Tue 12/1

8:30 am-11:45 am

2 stops20h 15m

Porto

Tue 12/15

8:20 am-8:49 pm

2 stops19h 29m

$708

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 2/17

10:08 am-11:45 am

2 stops18h 37m

Porto

Wed 2/24

12:25 pm-10:30 am

2 stops29h 05m

$708

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sat 12/5

11:59 pm-8:15 am

2 stops25h 16m

Porto

Wed 12/9

5:55 am-1:55 pm

1 stop15h 00m

$721

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Tue 1/12

4:10 pm-10:00 pm

1 stop22h 50m

Porto

Tue 1/26

5:55 am-1:55 pm

1 stop15h 00m

$722

Quickest round-trip

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Tue 12/8

1:00 pm-9:30 am

1 stop13h 30m

Porto

Fri 12/11

12:35 pm-9:10 pm

1 stop15h 35m

$726

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

Fri 12/11

12:35 pm-9:10 pm

1 stop15h 35m

$726

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 1/11

9:55 am-10:35 am

2 stops17h 40m

Porto

Tue 1/26

5:55 am-1:55 pm

1 stop15h 00m

$727

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 10/26

12:00 pm-12:50 pm

2 stops17h 50m

Porto

Sun 11/1

6:00 am-9:04 pm

2 stops22h 04m

$821

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Tue 10/27

12:00 pm-12:50 pm

2 stops17h 50m

Porto

Sun 11/1

6:15 am-9:25 pm

2 stops22h 10m

$863

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Fri 10/23

3:25 pm-3:25 pm

1 stop16h 00m

Porto

Fri 10/30

5:55 am-1:55 pm

1 stop15h 00m

$875

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 $828 to $1,030.
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 $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 $933 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

Best Price Found	$384
Fastest flight time	16h 34m
Direct flights	None

The best one-way flight to Porto from Phoenix in the past 72 hours is $384. The best round-trip flight deal from Phoenix to Porto found on momondo in the last 72 hours is $708.

The fastest flight from Phoenix to Porto takes 16h 34m

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 34m.
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 August 2026, there are 4 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 7.1 11,980 reviews	Search American Airlines flights
Air France	PriceFrom $556	Free Cancellation	Rating 7.5 1,647 reviews	Search Air France flights
United Airlines	PriceFrom $597	Free Cancellation	Rating 7.4 10,115 reviews	Search United Airlines flights
Delta	PriceFrom $646	Free Cancellation	Rating 7.8 8,518 reviews	Search Delta flights

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Pinhao

Matosinhos

Esposende

Chaves

Arcos de Valdevez

Viseu

Espinho

Guimarães

Lamego

Ponte de Lima

Mesao Frio

Penafiel

Caminha

Baiao

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.

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.

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Cheap flights from Phoenix to Porto from $384

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 11/13. 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

Delta flights from Phoenix to Porto

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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?

How far in advance should I book a flight from Phoenix 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

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

Cabin classes currently available on flights to Porto

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

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