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.

$397 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.

8:20 am - 11:15 amPHX Phoenix Sky Harbor Intl-OPO Porto

19h 55m2 stops Montreal Pierre Elliott Trudeau Intl Zurich

12:05 pm - 10:39 pmOPO Porto-PHX Phoenix Sky Harbor Intl

41h 34m2 stops Zurich Los Angeles Los Angeles

$705Multiple Airlines

Tue, Dec 29 - Tue, Jan 12

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

15h 45m1 stop Newark

6:00 am - 11:59 pmOPO Porto-PHX Phoenix Sky Harbor Intl

24h 59m2 stops Frankfurt am Main Newark

$717United Airlines

Mon, Nov 16 - Fri, Nov 27

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

19h 30m2 stops Los Angeles Los Angeles Newark

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

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

$717United Airlines

Mon, Nov 16 - Fri, Nov 27

7:03 pm - 9:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

31h 27m2 stops Chicago O'Hare Intl Newark

12:35 pm - 9:47 amOPO Porto-PHX Phoenix Sky Harbor Intl

28h 12m2 stops Newark Chicago O'Hare Intl

$731United Airlines

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

5:00 am - 9:34 pmOPO Porto-PHX Phoenix Sky Harbor Intl

23h 34m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$768Delta

Thu, Jan 7 - Wed, Jan 13

7:05 am - 10:35 amPHX Phoenix Sky Harbor Intl-OPO Porto

20h 30m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

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

19h 35m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$773Delta

Thu, Jan 7 - Wed, Jan 13

12:30 am - 9:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

26h 00m1 stop Newark

12:05 pm - 10:18 pmOPO Porto-PHX Phoenix Sky Harbor Intl

41h 13m2 stops Zurich San Francisco

$774SWISS

Mon, Dec 28 - Tue, Jan 12

12:55 pm - 11:55 pmPHX Phoenix Sky Harbor Intl-OPO Porto

28h 00m2 stops Denver Intl Munich Franz Josef Strauss

1:45 pm - 10:39 pmOPO Porto-PHX Phoenix Sky Harbor Intl

39h 54m2 stops Munich Franz Josef Strauss Los Angeles Los Angeles

$775Lufthansa

Thu, Jan 7 - Wed, Jan 13

9:00 am - 11:35 amPHX Phoenix Sky Harbor Intl-OPO Porto

18h 35m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

9:15 am - 8:45 pmOPO Porto-PHX Phoenix Sky Harbor Intl

18h 30m1 stop New York John F Kennedy Intl

$949Air France

Sat, Oct 24 - Sat, Oct 31

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

16h 00m1 stop Paris Charles de Gaulle

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

14h 55m1 stop Paris Charles de Gaulle

$1,125Air France

Tue, Sep 8 - Tue, Sep 22

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 6:55 amPHX Phoenix Sky Harbor Intl-OPO Porto

16h 55m1 stop Newark

11:50 am - 6:00 pmOPO Porto-PHX Phoenix Sky Harbor Intl

38h 10m2 stops Montreal Pierre Elliott Trudeau Intl Los Angeles Los Angeles

$1,024United Airlines

Thu, Aug 20 - Thu, Aug 27

3:25 pm - 6:15 pmPHX Phoenix Sky Harbor Intl-OPO Porto

18h 50m1 stop Paris Charles de Gaulle

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

15h 15m1 stop Paris Charles de Gaulle

$1,034Air France

Thu, Aug 20 - Thu, Aug 27

4:26 pm - 7:00 amPHX Phoenix Sky Harbor Intl-OPO Porto

30h 34m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

6:00 am - 8:30 pmOPO Porto-PHX Phoenix Sky Harbor Intl

22h 30m2 stops Frankfurt am Main Los Angeles Los Angeles

$1,039Multiple Airlines

Thu, Aug 20 - Thu, Aug 27

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

16h 00m1 stop Paris Charles de Gaulle

6:30 am - 1:10 pmOPO Porto-PHX Phoenix Sky Harbor Intl

14h 40m1 stop Paris Charles de Gaulle

$1,094Delta

Thu, Aug 20 - Sun, Aug 23

3:25 pm - 9:50 pmPHX Phoenix Sky Harbor Intl-OPO Porto

22h 25m1 stop Paris Charles de Gaulle

6:30 am - 1:10 pmOPO Porto-PHX Phoenix Sky Harbor Intl

14h 40m1 stop Paris Charles de Gaulle

$1,094Air France

Thu, Aug 20 - Sun, Aug 23

3:25 pm - 9:50 pmPHX Phoenix Sky Harbor Intl-OPO Porto

22h 25m1 stop Paris Charles de Gaulle

5:00 am - 3:57 pmOPO Porto-PHX Phoenix Sky Harbor Intl

18h 57m2 stops Amsterdam Schiphol Salt Lake City

$1,096KLM

Thu, Aug 20 - Sun, Aug 23

3:25 pm - 9:50 pmPHX Phoenix Sky Harbor Intl-OPO Porto

22h 25m1 stop Paris Charles de Gaulle

5:00 am - 7:04 pmOPO Porto-PHX Phoenix Sky Harbor Intl

22h 04m2 stops Amsterdam Schiphol Los Angeles Los Angeles

$1,097Delta

Thu, Aug 20 - Sun, Aug 23

6:55 pm - 7:00 amPHX Phoenix Sky Harbor Intl-OPO Porto

28h 05m3 stops Denver Intl Newark Montreal Pierre Elliott Trudeau Intl

12:15 pm - 7:20 pmOPO Porto-PHX Phoenix Sky Harbor Intl

15h 05m1 stop Montreal Pierre Elliott Trudeau Intl

$1,101Multiple Airlines

Thu, Aug 20 - Sun, Aug 23

11:54 pm - 6:55 amPHX Phoenix Sky Harbor Intl-OPO Porto

23h 01m1 stop Newark

12:05 pm - 8:30 pmOPO Porto-PHX Phoenix Sky Harbor Intl

40h 25m2 stops Frankfurt am Main Los Angeles Los Angeles

$1,208United Airlines

Sat, Aug 22 - Sat, Aug 29

12:15 pm - 9:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

37h 30m3 stops Houston George Bush Intcntl Washington, D.C. Reagan-National Newark

12:05 pm - 8:30 pmOPO Porto-PHX Phoenix Sky Harbor Intl

40h 25m2 stops Frankfurt am Main Los Angeles Los Angeles

$1,212United Airlines

Sat, Aug 22 - Sat, Aug 29

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United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets

United Airlines

Nov 16

PHX7:00 amPhoenix Sky Harbor Intl

19h 30m

2 stops

OPO9:30 amPorto

Nov 27

OPO6:00 amPorto

20h 16m

2 stops

PHX7:16 pmPhoenix Sky Harbor Intl

$717

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

United Airlines

Dec 5

PHX1:00 pmPhoenix Sky Harbor Intl

13h 30m

1 stop

OPO9:30 amPorto

Dec 9

OPO12:35 pmPorto

18h 02m

1 stop

PHX11:37 pmPhoenix Sky Harbor Intl

$776

SWISS flights from Phoenix to Porto

Our best SWISS deals on Phoenix to Porto flight tickets

SWISS

Dec 28

PHX12:30 amPhoenix Sky Harbor Intl

26h 00m

1 stop

OPO9:30 amPorto

Jan 12

OPO12:05 pmPorto

41h 13m

2 stops

PHX10:18 pmPhoenix Sky Harbor Intl

$774

SWISS

Oct 24

PHX11:24 amPhoenix Sky Harbor Intl

40h 51m

2 stops

OPO12:15 pmPorto

Oct 31

OPO12:05 pmPorto

40h 20m

2 stops

PHX9:25 pmPhoenix Sky Harbor Intl

$893

SWISS

Aug 21

PHX6:20 amPhoenix Sky Harbor Intl

28h 10m

2 stops

OPO6:30 pmPorto

Aug 23

OPO7:20 pmPorto

35h 39m

2 stops

PHX10:59 pmPhoenix Sky Harbor Intl

$23,358

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 12/29

8:20 am-11:15 am

2 stops19h 55m

Porto

Tue 1/12

12:05 pm-10:39 pm

2 stops41h 34m

$705

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 11/16

10:45 am-9:30 am

1 stop15h 45m

Porto

Fri 11/27

6:00 am-11:59 pm

2 stops24h 59m

$717

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 11/16

7:00 am-9:30 am

2 stops19h 30m

Porto

Fri 11/27

6:00 am-7:16 pm

2 stops20h 16m

$717

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sat 12/5

7:03 pm-9:30 am

2 stops31h 27m

Porto

Wed 12/9

12:35 pm-9:47 am

2 stops28h 12m

$731

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Thu 1/7

4:10 pm-10:00 pm

1 stop22h 50m

Porto

Wed 1/13

5:00 am-9:34 pm

2 stops23h 34m

$768

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Thu 1/7

7:05 am-10:35 am

2 stops20h 30m

Porto

Wed 1/13

5:00 am-5:35 pm

2 stops19h 35m

$773

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Mon 12/28

12:30 am-9:30 am

1 stop26h 00m

Porto

Tue 1/12

12:05 pm-10:18 pm

2 stops41h 13m

$774

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Thu 1/7

12:55 pm-11:55 pm

2 stops28h 00m

Porto

Wed 1/13

1:45 pm-10:39 pm

2 stops39h 54m

$775

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sat 10/24

9:00 am-11:35 am

2 stops18h 35m

Porto

Sat 10/31

9:15 am-8:45 pm

1 stop18h 30m

$949

Quickest round-trip

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Tue 9/8

3:25 pm-3:25 pm

1 stop16h 00m

Porto

Tue 9/22

6:15 am-1:10 pm

1 stop14h 55m

$1,125

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 typical for flights on this route.

Typical prices usually range from $646 to $978.
The lowest price recently found on this route was $705.

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

Best Price Found	$397
Fastest flight time	16h 00m
Direct flights	None

The best one-way flight to Porto from Phoenix in the past 72 hours is $397. The best round-trip flight deal from Phoenix to Porto found on momondo in the last 72 hours is $705.

The fastest flight from Phoenix to Porto takes 16h 00m

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 00m.
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 11,956 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 10,102 reviews	Search United Airlines flights
Delta	PriceFrom $646	Free Cancellation	Rating 7.8 8,499 reviews	Search Delta flights

Vila Nova de Gaia

Coimbra

Braga

Aveiro

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 $397

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 11/8. 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

SWISS flights from Phoenix to Porto

Our best SWISS 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?

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

Fly your favorite airline to Porto

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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