Cheap Flights from Porto to Phoenix Sky Harbor from $1,525

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Flight deals from Porto to Phoenix Sky Harbor

Looking for a cheap last-minute deal or the best return flight from Porto Airport to Phoenix Sky Harbor Airport? If you want to travel next month, return fares start from $1,749. Find the lowest prices on one-way and return tickets right here.

Phoenix.$1,525 per passenger.Departing Thu, 1 Oct, returning Tue, 6 Oct.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Porto on Thu, 1 Oct, arriving in Phoenix Sky Harbor.Inbound indirect flight with Air France, departs from Phoenix Sky Harbor on Tue, 6 Oct, arriving in Porto.Price includes taxes and charges.From $1,525, select.

Phoenix.$1,526 per passenger.Departing Mon, 16 Nov, returning Mon, 30 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Porto on Mon, 16 Nov, arriving in Phoenix Sky Harbor.Inbound indirect flight with Delta, departs from Phoenix Sky Harbor on Mon, 30 Nov, arriving in Porto.Price includes taxes and charges.From $1,526, select.

Phoenix.$1,526 per passenger.Departing Wed, 9 Sep, returning Mon, 14 Sep.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Porto on Wed, 9 Sep, arriving in Phoenix Sky Harbor.Inbound indirect flight with Air France, departs from Phoenix Sky Harbor on Mon, 14 Sep, arriving in Porto.Price includes taxes and charges.From $1,526, select.

Phoenix.$1,527 per passenger.Departing Sat, 29 Aug, returning Sat, 12 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Porto on Sat, 29 Aug, arriving in Phoenix Sky Harbor.Inbound indirect flight with Delta, departs from Phoenix Sky Harbor on Sat, 12 Sep, arriving in Porto.Price includes taxes and charges.From $1,527, select.

Phoenix.$1,531 per passenger.Departing Mon, 16 Nov, returning Tue, 1 Dec.Return flight with KLM.Outbound indirect flight with KLM, departs from Porto on Mon, 16 Nov, arriving in Phoenix Sky Harbor.Inbound indirect flight with KLM, departs from Phoenix Sky Harbor on Tue, 1 Dec, arriving in Porto.Price includes taxes and charges.From $1,531, select.

Phoenix.$1,709 per passenger.Departing Tue, 22 Dec, returning Tue, 29 Dec.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Porto on Tue, 22 Dec, arriving in Phoenix Sky Harbor.Inbound indirect flight with Lufthansa, departs from Phoenix Sky Harbor on Tue, 29 Dec, arriving in Porto.Price includes taxes and charges.From $1,709, select.

Phoenix.$1,739 per passenger.Departing Tue, 24 Nov, returning Sat, 24 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Porto on Tue, 24 Nov, arriving in Phoenix Sky Harbor.Inbound indirect flight with Delta, departs from Phoenix Sky Harbor on Sat, 24 Apr, arriving in Porto.Price includes taxes and charges.From $1,739, select.

Phoenix.$1,749 per passenger.Departing Mon, 24 Aug, returning Mon, 31 Aug.Return flight with KLM.Outbound indirect flight with KLM, departs from Porto on Mon, 24 Aug, arriving in Phoenix Sky Harbor.Inbound indirect flight with KLM, departs from Phoenix Sky Harbor on Mon, 31 Aug, arriving in Porto.Price includes taxes and charges.From $1,749, select.

Phoenix.$1,912 per passenger.Departing Sun, 27 Dec, returning Tue, 5 Jan.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Porto on Sun, 27 Dec, arriving in Phoenix Sky Harbor.Inbound indirect flight with British Airways, departs from Phoenix Sky Harbor on Tue, 5 Jan, arriving in Porto.Price includes taxes and charges.From $1,912, select.

Phoenix.$1,944 per passenger.Departing Thu, 23 Jul, returning Wed, 29 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Porto on Thu, 23 Jul, arriving in Phoenix Sky Harbor.Inbound indirect flight with Delta, departs from Phoenix Sky Harbor on Wed, 29 Jul, arriving in Porto.Price includes taxes and charges.From $1,944, select.

Phoenix.$1,970 per passenger.Departing Sun, 26 Jul, returning Sat, 1 Aug.Return flight with Air France.Outbound indirect flight with Air France, departs from Porto on Sun, 26 Jul, arriving in Phoenix Sky Harbor.Inbound indirect flight with Air France, departs from Phoenix Sky Harbor on Sat, 1 Aug, arriving in Porto.Price includes taxes and charges.From $1,970, select.

Phoenix.$2,296 per passenger.Departing Tue, 25 Aug, returning Fri, 18 Dec.Return flight with KLM.Outbound indirect flight with KLM, departs from Porto on Tue, 25 Aug, arriving in Phoenix Sky Harbor.Inbound indirect flight with KLM, departs from Phoenix Sky Harbor on Fri, 18 Dec, arriving in Porto.Price includes taxes and charges.From $2,296, select.

Find the cheapest month to fly from Porto to Phoenix Sky Harbor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Phoenix Sky Harbor flights are currently cheapest in October.

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Porto to Phoenix Sky Harbor: Alternative routes

Compare routes from Porto to Phoenix below. You may find an airport to fly into that's cheaper, faster, or easier than Phoenix Sky Harbor.

Porto to Phoenix: Flight information

The things to know before you go.

Cheapest flight found	$1,525
Cheapest month to fly	October

Finding cheap flights from Porto to Phoenix Sky Harbor: Frequently asked questions

How much are return flights from Porto to Phoenix Sky Harbor?

The best price we found for a return flight from Porto to Phoenix Sky Harbor is $1,525. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Porto to Phoenix Sky Harbor?

Currently, there are no airlines that fly direct from Porto to Phoenix Sky Harbor. But we found flights with one or more stops from $1,525.

How many flights are there a week from Porto to Phoenix Sky Harbor?

As of July 2026, there are no flights flying from Porto to Phoenix Sky Harbor.

When is the cheapest time to fly from Porto to Phoenix Sky Harbor?

The cheapest month to fly from Porto to Phoenix Sky Harbor is usually October.

Which upcoming date is cheapest to fly from Porto Airport to Phoenix Sky Harbor Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Phoenix Sky Harbor Airport on Thursday, 1 October 2026.

Can I get a direct flight from Porto Airport to Phoenix Sky Harbor Airport?

No airlines currently offer direct flights between Porto Airport and Phoenix Sky Harbor Airport. Most routes have one or more stops.

How can I find the best flight deal to Phoenix Sky Harbor?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Phoenix Sky Harbor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Phoenix?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phoenix is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Porto Airport to Phoenix Sky Harbor with?

Currently, KLM offers the cheapest flight tickets to Phoenix Sky Harbor.

Flying from Porto Airport (OPO) to Phoenix Sky Harbour Airport (PHX): what you need to know

The timezone in Phoenix is UTC-7, which is seven hours behind Porto.
For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to board your OPO to PHX flight.
During popular months such as August, it's a good idea to get to the airport earlier. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you fly during a high season in general.
If you'd like to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Porto Airport to Phoenix Sky Harbour Airport. Here are the top stopovers between OPO and PHX:
- New York Newark Airport
- Boston Logan International Airport
- Toronto Pearson International Airport

How to find the cheapest flights from Porto Airport (OPO) to Phoenix Sky Harbour Airport (PHX)

The cheapest price we've seen for a one-way Porto Airport to Phoenix Sky Harbour Airport flight is $1,083. A return plane ticket is currently $1,525. Depending on the availability when you book, these fares can change.
It's often best to book as early as possible if you want to get cheap tickets from OPO to PHX. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.
The 'Whole month' search tool shows you the cheapest flights from Porto Airport to Phoenix Sky Harbour Airport across the entire month. It's an easy way to snap up a bargain if your plans are flexible.
There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment a special offer becomes available on cheap flights from OPO to PHX.
Pick your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Porto Airport to Phoenix Sky Harbour Airport.

Handy information about Porto Airport (OPO)

75% of flights leaving from Porto Airport touch down at their destination on time.
Central Porto to Porto Airport is around 11 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a taxi or driving.
The journey on public transport typically takes 30 minutes.
Have an early flight from Porto Airport to Phoenix Sky Harbour Airport? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by picking one of these hotels close to OPO:

Arriving at Phoenix Sky Harbour Airport (PHX)

The last thing you need is a long journey to your hotel if you're arriving on a late Porto Airport to Phoenix Sky Harbour Airport flight. Book one of these accommodation options near PHX instead:
Explore without limits with a Phoenix Sky Harbour Airport rental car. Book your wheels from Europcar, Dollar or Thrifty and discover more of Phoenix and beyond.
Booking your ride from Phoenix Sky Harbour Airport around one week ahead can help you secure the lowest rate.

Getting from Phoenix Sky Harbour Airport (PHX) to central Phoenix

The street address for PHX is 3400 Sky Harbour Boulevard.
From Phoenix Sky Harbour Airport, Phoenix is approximately 5 kilometres away. It takes around 10 minutes to drive to the centre.
It takes around 25 minutes to get there using public transport.

When to fly to Phoenix Sky Harbour Airport (PHX)

The quietest month for a flight from Porto Airport to Phoenix Sky Harbour Airport is March, while April is the most popular. Choose the best time to go to Phoenix based on whether you prefer a more relaxed vibe or a faster pace.
Before locking in your flight from Porto Airport to Phoenix Sky Harbour Airport, consider the kind of weather you like. July is the warmest month in Phoenix, with the temperature ranging from 27ºC to 45ºC.
Search for cheap tickets from OPO to PHX in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 4ºC and 21ºC on average.

Explore more of the United States

San Diego is just one of the many cities in the United States waiting to be discovered once you've taken in the sights of Phoenix. Around 483 kilometres away to the west, its best attractions include San Diego Zoo, San Diego Balboa Park and USS Midway Museum.
Las Vegas is another well-known destination in the United States and is around 418 kilometres north-west of Phoenix. No trip is complete without visiting Ciudad del Pecado o Las Vegas, Las Vegas Strip and Fountains of Bellagio.