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

Lufthansa, Air Canada, and Delta are the most popular carriers 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 41% 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.

$355 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 - 12:50 pmPHX Phoenix Sky Harbor Intl-OPO Porto

21h 30m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss

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

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

$701Multiple Airlines

Mon, Nov 23 - Fri, Nov 27

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

24h 18m2 stops San Francisco Munich Franz Josef Strauss

6:00 am - 12:20 pmOPO Porto-PHX Phoenix Sky Harbor Intl

37h 20m2 stops Frankfurt am Main Toronto Pearson Intl

$701Multiple Airlines

Wed, Nov 18 - Wed, Dec 9

9:59 am - 11:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

18h 46m2 stops Chicago O'Hare Intl Madrid Barajas

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

30h 59m2 stops Madrid Barajas New York John F Kennedy Intl

$708Iberia

Wed, Nov 18 - Wed, Dec 9

6:25 am - 9:05 amPHX Phoenix Sky Harbor Intl-OPO Porto

19h 40m1 stop 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

$716Delta

Wed, Nov 18 - Wed, Dec 9

12:46 pm - 9:05 amPHX Phoenix Sky Harbor Intl-OPO Porto

13h 19m1 stop 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

$716Air France

Wed, Nov 18 - Wed, Dec 9

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

19h 45m1 stop Newark

6:00 am - 9:56 pmOPO Porto-PHX Phoenix Sky Harbor Intl

22h 56m2 stops Frankfurt am Main Houston George Bush Intcntl

$717United Airlines

Wed, Nov 18 - Wed, Dec 9

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

19h 45m1 stop Newark

6:00 am - 7:42 pmOPO Porto-PHX Phoenix Sky Harbor Intl

20h 42m2 stops Frankfurt am Main Denver Intl

$717United Airlines

Wed, Nov 18 - Wed, Dec 9

12:46 pm - 9:05 amPHX Phoenix Sky Harbor Intl-OPO Porto

13h 19m1 stop New York John F Kennedy Intl

5:00 am - 4:40 pmOPO Porto-PHX Phoenix Sky Harbor Intl

18h 40m2 stops Amsterdam Schiphol Los Angeles

$719Delta

Wed, Nov 11 - Wed, Nov 18

12:46 pm - 9:05 amPHX Phoenix Sky Harbor Intl-OPO Porto

13h 19m1 stop New York John F Kennedy Intl

11:30 am - 11:18 pmOPO Porto-PHX Phoenix Sky Harbor Intl

18h 48m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$786Air France

Sun, Nov 1 - Tue, Nov 10

3:17 pm - 4:00 pmPHX Phoenix Sky Harbor Intl-OPO Porto

16h 43m2 stops Dallas/Fort Worth Madrid Barajas

8:20 am - 7:54 pmOPO Porto-PHX Phoenix Sky Harbor Intl

19h 34m2 stops Madrid Barajas New York John F Kennedy Intl

$888American Airlines

Sun, Oct 4 - Fri, Oct 16

Cheap last minute flights

Enter your travel dates to find the best prices.

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

15h 05m1 stop Montreal Pierre Elliott Trudeau Intl

11:50 am - 7:20 pmOPO Porto-PHX Phoenix Sky Harbor Intl

15h 30m1 stop Montreal Pierre Elliott Trudeau Intl

$956Multiple Airlines

Mon, Aug 10 - Thu, Aug 27

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

15h 05m1 stop Montreal Pierre Elliott Trudeau Intl

11:50 am - 10:21 pmOPO Porto-PHX Phoenix Sky Harbor Intl

42h 31m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$963Air Canada

Mon, Aug 10 - Thu, Aug 27

6:50 am - 7:00 amPHX Phoenix Sky Harbor Intl-OPO Porto

16h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

11:50 am - 3:20 pmOPO Porto-PHX Phoenix Sky Harbor Intl

35h 30m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$967Air Canada

Mon, Aug 10 - Thu, Aug 27

7:55 am - 10:00 pmPHX Phoenix Sky Harbor Intl-OPO Porto

30h 05m3 stops Montreal Pierre Elliott Trudeau Intl Athens Eleftherios V. Edinburgh Turnhouse

9:45 pm - 9:35 pmOPO Porto-PHX Phoenix Sky Harbor Intl

31h 50m3 stops Edinburgh Turnhouse Toronto Pearson Intl Calgary

$1,371Multiple Airlines

Mon, Aug 10 - Thu, Aug 27

11:55 am - 6:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

34h 50m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

9:45 pm - 9:35 pmOPO Porto-PHX Phoenix Sky Harbor Intl

31h 50m3 stops Edinburgh Turnhouse Toronto Pearson Intl Calgary

$1,435Multiple Airlines

Mon, Aug 10 - Thu, Aug 27

11:29 am - 10:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

15h 01m1 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

$1,571KLM

Mon, Aug 10 - Fri, Aug 14

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

15h 05m1 stop Montreal Pierre Elliott Trudeau Intl

6:20 am - 5:10 pmOPO Porto-PHX Phoenix Sky Harbor Intl

18h 50m2 stops Munich Franz Josef Strauss Denver Intl

$1,573Multiple Airlines

Mon, Aug 10 - Fri, Aug 14

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

17h 00m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

6:20 am - 5:10 pmOPO Porto-PHX Phoenix Sky Harbor Intl

18h 50m2 stops Munich Franz Josef Strauss Denver Intl

$1,577Multiple Airlines

Mon, Aug 10 - Fri, Aug 14

7:55 am - 9:00 pmPHX Phoenix Sky Harbor Intl-OPO Porto

29h 05m3 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main Malaga

10:30 pm - 9:35 pmOPO Porto-PHX Phoenix Sky Harbor Intl

31h 05m3 stops Lisbon Humberto Delgado Rome Fiumicino Calgary

$1,607Multiple Airlines

Mon, Aug 10 - Fri, Aug 14

11:55 am - 6:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

34h 50m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

10:30 pm - 9:35 pmOPO Porto-PHX Phoenix Sky Harbor Intl

31h 05m3 stops Lisbon Humberto Delgado Rome Fiumicino Calgary

$1,636Multiple Airlines

Mon, Aug 10 - Fri, Aug 14

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Air Canada flights from Phoenix to Porto

Our best Air Canada deals on Phoenix to Porto flight tickets

Air Canada

Oct 27

PHX7:20 amPhoenix Sky Harbor Intl

21h 45m

2 stops

OPO12:05 pmPorto

Nov 1

OPO6:15 amPorto

37h 08m

2 stops

PHX12:23 pmPhoenix Sky Harbor Intl

$826

Air Canada

Oct 4

PHX12:40 pmPhoenix Sky Harbor Intl

34h 20m

2 stops

OPO7:00 amPorto

Oct 16

OPO6:20 amPorto

37h 33m

2 stops

PHX11:53 amPhoenix Sky Harbor Intl

$866

Air Canada

Sep 28

PHX7:55 amPhoenix Sky Harbor Intl

15h 05m

1 stop

OPO7:00 amPorto

Oct 6

OPO6:20 amPorto

36h 41m

2 stops

PHX11:01 amPhoenix Sky Harbor Intl

$874

United Airlines flights from Phoenix to Porto

Our best United Airlines deals on Phoenix to Porto flight tickets

United Airlines

Nov 18

PHX6:45 amPhoenix Sky Harbor Intl

19h 45m

1 stop

OPO9:30 amPorto

Dec 9

OPO6:00 amPorto

22h 56m

2 stops

PHX9:56 pmPhoenix Sky Harbor Intl

$717

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

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

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-12:50 pm

2 stops21h 30m

Porto

Fri 11/27

6:00 am-7:16 pm

2 stops20h 16m

$701

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 11/18

4:37 pm-11:55 pm

2 stops24h 18m

Porto

Wed 12/9

6:00 am-12:20 pm

2 stops37h 20m

$701

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 11/18

9:59 am-11:45 am

2 stops18h 46m

Porto

Wed 12/9

8:40 pm-8:39 pm

2 stops30h 59m

$708

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 11/18

6:25 am-9:05 am

1 stop19h 40m

Porto

Wed 12/9

5:55 am-1:55 pm

1 stop15h 00m

$716

Quickest round-trip

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 11/18

12:46 pm-9:05 am

1 stop13h 19m

Porto

Wed 12/9

5:55 am-1:55 pm

1 stop15h 00m

$716

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 11/18

6:45 am-9:30 am

1 stop19h 45m

Porto

Wed 12/9

6:00 am-9:56 pm

2 stops22h 56m

$717

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 11/18

6:45 am-9:30 am

1 stop19h 45m

Porto

Wed 12/9

6:00 am-7:42 pm

2 stops20h 42m

$717

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 11/11

12:46 pm-9:05 am

1 stop13h 19m

Porto

Wed 11/18

5:00 am-4:40 pm

2 stops18h 40m

$719

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 11/1

12:46 pm-9:05 am

1 stop13h 19m

Porto

Tue 11/10

11:30 am-11:18 pm

2 stops18h 48m

$786

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 10/4

3:17 pm-4:00 pm

2 stops16h 43m

Porto

Fri 10/16

8:20 am-7:54 pm

2 stops19h 34m

$888

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 $973.
The lowest price recently found on this route was $701.

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.

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 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?
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 11,870 reviews	Search American Airlines flights
Air France	PriceFrom $556	Free Cancellation	Rating 7.5 1,637 reviews	Search Air France flights
United Airlines	PriceFrom $589	Free Cancellation	Rating 7.4 10,075 reviews	Search United Airlines flights
Delta	PriceFrom $646	Free Cancellation	Rating 7.8 8,496 reviews	Search Delta flights

Vila Nova de Gaia

Coimbra

Braga

Aveiro

Matosinhos

Pinhao

Esposende

Lamego

Chaves

Arcos de Valdevez

Guimarães

Viseu

Espinho

Ponte de Lima

Mesao Frio

Penafiel

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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Cheap flights from Phoenix to Porto from $355

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 10/6. 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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Air Canada flights from Phoenix to Porto

Our best Air Canada deals on Phoenix to Porto flight tickets

United Airlines 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

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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