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Cheap Flights from Phoenix (PHX) to Porto (OPO)

Compare Phoenix Sky Harbor to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

Book the best Porto fare with no extra fees

Flight deals from Phoenix Sky Harbor to Porto

Looking for a cheap last-minute deal or the best return flight from Phoenix Sky Harbor Airport to Porto Airport? If you want to travel next month, return fares start from $1,258. Find the lowest prices on one-way and return tickets right here.
Porto.$1,023 per passenger.Departing Wed, 24 Feb, returning Wed, 3 Mar.Return flight with United and Lufthansa.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Wed, 24 Feb, arriving in Porto.Inbound indirect flight with Lufthansa, departs from Porto on Wed, 3 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,023, select.
Porto.$1,023 per passenger.Departing Tue, 2 Mar, returning Tue, 9 Mar.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Tue, 2 Mar, arriving in Porto.Inbound indirect flight with United, departs from Porto on Tue, 9 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,023, select.
Porto.$1,030 per passenger.Departing Tue, 9 Feb, returning Tue, 16 Feb.Return flight with Air France.Outbound indirect flight with Air France, departs from Phoenix Sky Harbor on Tue, 9 Feb, arriving in Porto.Inbound indirect flight with Air France, departs from Porto on Tue, 16 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,030, select.
Porto.$1,034 per passenger.Departing Sun, 6 Dec, returning Wed, 23 Dec.Return flight with KLM.Outbound indirect flight with KLM, departs from Phoenix Sky Harbor on Sun, 6 Dec, arriving in Porto.Inbound indirect flight with KLM, departs from Porto on Wed, 23 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,034, select.
Porto.$1,035 per passenger.Departing Tue, 17 Nov, returning Tue, 24 Nov.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Tue, 17 Nov, arriving in Porto.Inbound indirect flight with United, departs from Porto on Tue, 24 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,035, select.
Porto.$1,038 per passenger.Departing Wed, 27 Jan, returning Wed, 3 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Wed, 27 Jan, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Wed, 3 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,038, select.
Porto.$1,038 per passenger.Departing Wed, 20 Jan, returning Wed, 27 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Wed, 20 Jan, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Wed, 27 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,038, select.
Porto.$1,044 per passenger.Departing Wed, 28 Oct, returning Wed, 4 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Wed, 28 Oct, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Wed, 4 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,044, select.
Porto.$1,095 per passenger.Departing Thu, 26 Nov, returning Thu, 3 Dec.Return flight with United and Lufthansa.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Thu, 26 Nov, arriving in Porto.Inbound indirect flight with Lufthansa, departs from Porto on Thu, 3 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,095, select.
Porto.$1,112 per passenger.Departing Wed, 21 Oct, returning Wed, 28 Oct.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Phoenix Sky Harbor on Wed, 21 Oct, arriving in Porto.Inbound indirect flight with Air France, departs from Porto on Wed, 28 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,112, select.
Porto.$1,114 per passenger.Departing Thu, 15 Apr, returning Thu, 22 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Thu, 15 Apr, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Thu, 22 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,114, select.
Porto.$1,121 per passenger.Departing Fri, 1 Jan, returning Mon, 1 Mar.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Phoenix Sky Harbor on Fri, 1 Jan, arriving in Porto.Inbound indirect flight with Air France, departs from Porto on Mon, 1 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,121, select.
Porto.$1,187 per passenger.Departing Tue, 22 Sep, returning Tue, 2 Mar.Return flight with Air France.Outbound indirect flight with Air France, departs from Phoenix Sky Harbor on Tue, 22 Sep, arriving in Porto.Inbound indirect flight with Air France, departs from Porto on Tue, 2 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,187, select.
Porto.$1,197 per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with Air France.Outbound indirect flight with Air France, departs from Phoenix Sky Harbor on Tue, 29 Sep, arriving in Porto.Inbound indirect flight with Air France, departs from Porto on Tue, 6 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,197, select.
Porto.$1,219 per passenger.Departing Mon, 15 Mar, returning Mon, 12 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Mon, 15 Mar, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Mon, 12 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,219, select.
Porto.$1,258 per passenger.Departing Sun, 9 Aug, returning Tue, 25 Aug.Return flight with Air France.Outbound indirect flight with Air France, departs from Phoenix Sky Harbor on Sun, 9 Aug, arriving in Porto.Inbound indirect flight with Air France, departs from Porto on Tue, 25 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $1,258, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix Sky Harbor to Porto flights are currently cheapest in March.
Jul
from $1,627
Aug
from $1,258
Sep
from $1,258
Oct
from $1,112
Nov
from $1,035
Dec
from $1,034
Jan
from $1,038
Feb
from $1,030
Mar
from $1,023
Apr
from $1,114
May
Find prices
Jun
from $1,816

Phoenix Sky Harbor to Porto: Alternative routes

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

Porto

12km from central Porto
ClosestCheapest
from $1,023
Search flights

Vila Real

76km from central Porto
Search flights

Viseu G. Lobato

81km from central Porto
Search flights

Phoenix to Porto: Flight information

The things to know before you go.
Cheapest flight found$1,023
Cheapest month to flyMarch

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

The best price we found for a return flight from Phoenix Sky Harbor to Porto is $1,023. 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.
Currently, there are no airlines that fly direct from Phoenix Sky Harbor to Porto. But we found flights with one or more stops from $1,023.
As of July 2026, there are no flights flying from Phoenix Sky Harbor to Porto.
The cheapest month to fly from Phoenix Sky Harbor to Porto is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to Porto Airport on Tuesday, 2 March 2027.
No airlines currently offer direct flights between Phoenix Sky Harbor Airport and Porto Airport. Most routes have one or more stops.
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 Porto 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.

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

Currently, United offers the cheapest flight tickets to Porto.

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

  • The timezone in Porto is UTC+0, which is seven hours ahead of Phoenix.

  • To ensure you catch your PHX to OPO flight, allow plenty of time to check in and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.

  • Flying during a peak time such as April? Major public holidays and other popular seasons can lead to longer lines and delays at security. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Phoenix Sky Harbour Airport to Porto Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to tour your chosen city. Some great stopovers between PHX and OPO include:

    • New York John F. Kennedy Airport

    • New York Newark Airport

    • Montreal Pierre Elliott Trudeau Airport

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

  • The cheapest price we've seen for a one-way Phoenix Sky Harbour Airport to Porto Airport flight is $475. A round-trip plane ticket is currently $1,023. Depending on the availability and when you book, these fares could change.

  • To pick up cheap tickets from PHX to OPO, book in advance. Airlines generally offer their most competitively priced fares when flights are first released.

  • If you're willing to be flexible with your travel dates, try using the 'Whole month' tool. It'll show you the cheapest price in each month when searching for your flight from Phoenix Sky Harbour Airport to Porto Airport.

  • You don't need to check every day to see if fares have gone down when you create a Price Alert. We'll let you know the moment the price changes on cheap flights from PHX to OPO.

  • Discover the perfect flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Phoenix Sky Harbour Airport to Porto Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Phoenix Sky Harbour Airport (PHX)

  • PHX's address is 3400 Sky Harbour Boulevard.

  • Phoenix Sky Harbour Airport earns top marks for its on-time performance. 80% of flights that depart PHX arrive at their destination on time.

  • To get to Phoenix Sky Harbour Airport from central Phoenix, it takes around 10 minutes by car. This depends on traffic, however. It's approximately 5 kilometres from the airport to the city centre.

  • Planning to take public transport? Expect a trip time of around 25 minutes.

  • Get your holiday off to a stress-free start by staying near PHX. Whether you've booked an early flight from Phoenix Sky Harbour Airport to Porto Airport or want to avoid feeling rushed, these stays are perfect:

Arriving at Porto Airport (OPO)

  • If you're getting in on a late Phoenix Sky Harbour Airport to Porto Airport flight, few things beat the convenience of being close to the terminal. Grab your luggage from the carousel and then be resting not long after at one of these hotels near OPO:

  • Follow your own route with a Porto Airport rental car. Book your wheels from Klass Wagen, Goldcar or Drive & Go and venture far and wide through Porto and beyond.

  • To lock in the lowest price, reserve your vehicle from Porto Airport about three weeks in advance.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport is roughly 11 kilometres from the centre of Porto. The drive time takes about 20 minutes.

  • Getting to the centre on public transport takes about 30 minutes.

When to fly to Porto Airport (OPO)

  • August is the most popular month for flights from Phoenix Sky Harbour Airport to Porto Airport. To steer clear of the crowds, go to Porto in March.

  • The warmest month in Porto is August, with the temperature ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your flights from Phoenix Sky Harbour Airport to Porto Airport in this month if this is the type of weather you like.

  • January sees average temperatures of between 3ºC (37ºF) and 14ºC (57ºF). Search for cheap tickets from PHX to OPO sometime then if you'd rather travel in cooler conditions.

Explore more of Portugal

  • Porto has loads to offer, but there are so many other parts of Portugal just waiting to be explored. Around 274 kilometres south of Porto, a trip to Lisbon will keep you on the go. Start with leading sights like Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém.

  • Around 274 kilometres south of Porto, Amadora is another favourite stop in Portugal. Get a taste of what this destination has to offer at Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.

Plan smart, explore more

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Plan the rest of your trip from Phoenix to Porto

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.