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

Air Canada, KLM, and United Airlines are the most popular carriers operating from Arizona 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 Arizona 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 Arizona to Porto Airport?

Prices for flights from Arizona to Porto Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Arizona to Porto Airport?

As of September 2026, there are 5 operators available to choose from for flights from Arizona to Porto Airport.

How old do you have to be to fly from Arizona 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 Arizona to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$380 Cheap Flights from Arizona to Porto in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Arizona to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 am - 12:05 pmPHX Phoenix Sky Harbor Intl-OPO Porto

20h 45m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

7:20 pm - 9:38 pmOPO Porto-PHX Phoenix Sky Harbor Intl

33h 18m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$698Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

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

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

5:00 am - 5:23 pmOPO Porto-PHX Phoenix Sky Harbor Intl

19h 23m2 stops Amsterdam Schiphol Salt Lake City

$723Delta

Sat, Dec 5 - Wed, Dec 9

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

15h 45m1 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

6:05 am - 10:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

20h 25m1 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

$738Multiple Airlines

Mon, Oct 19 - Wed, Nov 4

8:47 am - 7:40 amPHX Phoenix Sky Harbor Intl-OPO Porto

15h 53m2 stops New York John F Kennedy Intl Madrid Barajas

8:40 pm - 9:05 amOPO Porto-PHX Phoenix Sky Harbor Intl

19h 25m2 stops Madrid Barajas Dallas/Fort Worth

$836American Airlines

Wed, Dec 16 - Wed, Jan 6

1:50 pm - 12:50 pmPHX Phoenix Sky Harbor Intl-OPO Porto

16h 00m2 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

$860Lufthansa

Tue, Oct 27 - Sun, Nov 1

11:46 am - 10:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

14h 44m1 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

$919Air France

Wed, Oct 14 - Fri, Oct 23

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

19h 45m1 stop Newark

1:45 pm - 9:25 pmOPO Porto-PHX Phoenix Sky Harbor Intl

38h 40m2 stops Munich Franz Josef Strauss Los Angeles Los Angeles

$933Lufthansa

Sun, Nov 15 - Sun, Nov 29

Cheap last minute flights

Enter your travel dates to find the best prices.

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

23h 01m1 stop Newark

9:00 am - 10:46 pmOPO Porto-PHX Phoenix Sky Harbor Intl

21h 46m1 stop Newark

$1,196United Airlines

Sat, Sep 5 - Mon, Sep 14

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

23h 01m1 stop Newark

9:00 am - 8:53 pmOPO Porto-PHX Phoenix Sky Harbor Intl

19h 53m2 stops Newark Houston George Bush Intcntl

$1,200United Airlines

Sat, Sep 5 - Mon, Sep 14

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

16h 00m1 stop Paris Charles de Gaulle

5:00 am - 6:03 pmOPO Porto-PHX Phoenix Sky Harbor Intl

21h 03m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,258Delta

Sat, Sep 5 - Sun, Sep 20

12:37 pm - 3:25 pmPHX Phoenix Sky Harbor Intl-OPO Porto

18h 48m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:00 am - 8:01 pmOPO Porto-PHX Phoenix Sky Harbor Intl

23h 01m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$1,262Delta

Sat, Sep 5 - Mon, Sep 14

6:00 am - 8:30 amPHX Phoenix Sky Harbor Intl-OPO Porto

18h 30m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:00 am - 6:03 pmOPO Porto-PHX Phoenix Sky Harbor Intl

21h 03m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,262Delta

Sat, Sep 5 - Sun, Sep 20

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

23h 01m1 stop Newark

9:00 am - 8:37 amOPO Porto-PHX Phoenix Sky Harbor Intl

31h 37m1 stop Newark

$1,268United Airlines

Sat, Sep 5 - Sun, Sep 20

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

9:00 am - 10:26 amOPO Porto-PHX Phoenix Sky Harbor Intl

33h 26m3 stops Newark Chicago O'Hare Intl San Francisco

$1,332United Airlines

Sat, Sep 5 - Sun, Sep 20

12:05 pm - 11:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

15h 40m1 stop Toronto Pearson Intl

10:25 pm - 9:35 pmOPO Porto-PHX Phoenix Sky Harbor Intl

31h 10m3 stops Dublin Halifax Intl Calgary

$1,400Multiple Airlines

Sun, Sep 6 - Tue, Sep 8

7:55 am - 12:30 pmPHX Phoenix Sky Harbor Intl-OPO Porto

20h 35m2 stops Montreal Pierre Elliott Trudeau Intl Edinburgh Turnhouse

10:25 pm - 9:35 pmOPO Porto-PHX Phoenix Sky Harbor Intl

31h 10m3 stops Dublin Halifax Intl Calgary

$1,435Multiple Airlines

Sun, Sep 6 - Tue, Sep 8

12:05 pm - 11:45 amPHX Phoenix Sky Harbor Intl-OPO Porto

15h 40m1 stop Toronto Pearson Intl

8:25 am - 11:53 amOPO Porto-PHX Phoenix Sky Harbor Intl

35h 28m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$1,472Multiple Airlines

Sun, Sep 6 - Tue, Sep 8

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Lufthansa flights from Arizona to Porto

Our best Lufthansa deals on Arizona to Porto flight tickets

Lufthansa

Oct 27

PHX1:50 pmPhoenix Sky Harbor Intl

16h 00m

2 stops

OPO12:50 pmPorto

Nov 1

OPO6:00 amPorto

22h 04m

2 stops

PHX9:04 pmPhoenix Sky Harbor Intl

$860

Lufthansa

Nov 15

PHX6:45 amPhoenix Sky Harbor Intl

19h 45m

1 stop

OPO9:30 amPorto

Nov 29

OPO1:45 pmPorto

38h 40m

2 stops

PHX9:25 pmPhoenix Sky Harbor Intl

$933

United Airlines flights from Arizona to Porto

Our best United Airlines deals on Arizona to Porto flight tickets

United Airlines

Dec 1

PHX1:00 pmPhoenix Sky Harbor Intl

13h 30m

1 stop

OPO9:30 amPorto

Dec 8

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

Oct 26

PHX5:45 amPhoenix Sky Harbor Intl

20h 45m

1 stop

OPO9:30 amPorto

Nov 9

OPO12:30 pmPorto

38h 25m

2 stops

PHX7:55 pmPhoenix Sky Harbor Intl

$767

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

8:20 am-12:05 pm

2 stops20h 45m

Porto

Tue 12/8

7:20 pm-9:38 pm

2 stops33h 18m

$698

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

Sat 12/5

11:59 pm-8:15 am

2 stops25h 16m

Porto

Wed 12/9

5:00 am-5:23 pm

2 stops19h 23m

$723

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Tue 12/8

10:45 am-9:30 am

1 stop15h 45m

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 10/19

6:05 am-10:30 am

1 stop20h 25m

Porto

Wed 11/4

5:55 am-1:55 pm

1 stop15h 00m

$738

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 12/16

8:47 am-7:40 am

2 stops15h 53m

Porto

Wed 1/6

8:40 pm-9:05 am

2 stops19h 25m

$836

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Tue 10/27

1:50 pm-12:50 pm

2 stops16h 00m

Porto

Sun 11/1

6:00 am-9:04 pm

2 stops22h 04m

$860

Quickest round-trip

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Wed 10/14

11:46 am-10:30 am

1 stop14h 44m

Porto

Fri 10/23

5:55 am-1:10 pm

1 stop15h 15m

$919

PhoenixPorto

PHX Phoenix Sky Harbor Intl - OPO Porto

PHXOPO

Phoenix Sky Harbor Intl

Sun 11/15

6:45 am-9:30 am

1 stop19h 45m

Porto

Sun 11/29

1:45 pm-9:25 pm

2 stops38h 40m

$933

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 Arizona 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 cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Arizona, with most prices found around $619. If you aren’t able to travel during the month of January, then book flights to Porto from Arizona 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 Arizona to Porto?

You are more likely to see cheaper flights to Porto from Arizona when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $941 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Arizona for as low as $640 on momondo.

Can stopping save me money on Arizona to Porto flights?

You could potentially save up to 26% on your flight if you consider stops on a Arizona to Porto flight.

Cheap Arizona to Porto flight deals and tips

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

Best Price Found	$380
Fastest flight time	15h 05m
Direct flights	None

The best one-way flight to Porto from Arizona in the past 72 hours is $380. The best round-trip flight deal from Arizona to Porto found on momondo in the last 72 hours is $698.

The fastest flight from Arizona to Porto takes 15h 05m

There are no direct flights from Arizona to Porto. There are no popular flight routes from Arizona to Porto.

Search flight deals

Frequently asked questions about flying from Arizona to Porto

When did momondo last update prices for flights from Arizona to Porto Airport?
Prices for flights from Arizona to Porto Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Arizona to Porto Airport?
As of September 2026, there are 5 operators available to choose from for flights from Arizona to Porto Airport.
How old do you have to be to fly from Arizona 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 Arizona to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Arizona to Porto

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $460	Free Cancellation	Rating 7.1 12,029 reviews	Search American Airlines flights
Lufthansa	PriceFrom $492	Free Cancellation	Rating 6.8 8,226 reviews	Search Lufthansa flights
Air France	PriceFrom $556	Free Cancellation	Rating 7.5 1,645 reviews	Search Air France flights
United Airlines	PriceFrom $597	Free Cancellation	Rating 7.4 10,160 reviews	Search United Airlines flights
Delta	PriceFrom $646	Free Cancellation	Rating 7.8 8,551 reviews	Search Delta flights

Coimbra

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Aveiro

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Pinhao

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Esposende

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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 Arizona to Porto?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Arizona to Porto. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Arizona to Porto with flexible booking policies on momondo?

momondo does allow users to show only those flights to Porto from Arizona which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Arizona to Porto?

Once you have performed a search for Arizona to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Arizona to Porto right now. Can momondo alert me if prices change?

Price alerts on flights to Porto from Arizona are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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 Arizona to Porto from $380

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Arizona to Porto departing on 11/10. 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 Arizona to Porto

Our best Lufthansa deals on Arizona to Porto flight tickets

United Airlines flights from Arizona to Porto

Our best United Airlines deals on Arizona to Porto flight tickets

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Use the filters below to find and compare flights from Arizona to Porto that are best for you.

See travel insights to Porto from

How to get the cheapest flight ticket from Arizona to Porto

What is the cheapest month to fly to Porto?

How far in advance should I book a flight from Arizona to Porto?

Can stopping save me money on Arizona to Porto flights?

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

What airlines fly to Porto?

Cheap Arizona to Porto flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Arizona to Porto

Best airlines flying from Arizona to Porto

Compare and see reviews for airlines that fly from Arizona 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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Popular flights according to clicks in the last 7 days on momondo

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