A river with a bridge, a cityscape with red-roofed buildings, and a hill with a statue.

$334 Cheap Flights from Phoenix (PHX) to Porto (OPO)

View $334 flight on Tue, Feb 23, 2027Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Porto Airport (OPO)

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Cheap Flights from Phoenix to Porto (PHX-OPO)

Prices were available within the past 7 days and start at $334 for one-way flights and $716 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 16 - Thu, Mar 25
PHX
Phoenix
OPO
Porto
$716 Roundtrip, found 11 hours ago
$716
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Mar 16 from Phoenix to Porto, returning Thu, Mar 25, priced at $716 found 11 hours ago
Delta
Wed, Dec 9 - Thu, Dec 17
PHX
Phoenix
OPO
Porto
$716 Roundtrip, found 15 hours ago
$716
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Dec 9 from Phoenix to Porto, returning Thu, Dec 17, priced at $716 found 15 hours ago
United
Tue, Feb 23 - Tue, Mar 2
PHX
Phoenix
OPO
Porto
$717 Roundtrip, found 11 hours ago
$717
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Feb 23 from Phoenix to Porto, returning Tue, Mar 2, priced at $717 found 11 hours ago
Air Canada
Tue, Dec 8 - Tue, Dec 15
PHX
Phoenix
OPO
Porto
$722 Roundtrip, found 1 day ago
$722
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Dec 8 from Phoenix to Porto, returning Tue, Dec 15, priced at $722 found 1 day ago
Iberia
Sun, Dec 6 - Tue, Dec 15
PHX
Phoenix
OPO
Porto
$730 Roundtrip, found 6 hours ago
$730
Roundtrip
found 6 hours ago
Select Iberia flight, departing Sun, Dec 6 from Phoenix to Porto, returning Tue, Dec 15, priced at $730 found 6 hours ago
American Airlines
Tue, Feb 23 - Tue, Mar 2
PHX
Phoenix
OPO
Porto
$730 Roundtrip, found 11 hours ago
$730
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Tue, Feb 23 from Phoenix to Porto, returning Tue, Mar 2, priced at $730 found 11 hours ago
Finnair
Tue, Jan 12 - Thu, Jan 21
PHX
Phoenix
OPO
Porto
$735 Roundtrip, found 1 day ago
$735
Roundtrip
found 1 day ago
Select Finnair flight, departing Tue, Jan 12 from Phoenix to Porto, returning Thu, Jan 21, priced at $735 found 1 day ago
Lufthansa
Wed, Dec 2 - Fri, Dec 11
PHX
Phoenix
OPO
Porto
$736 Roundtrip, found 1 day ago
$736
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Dec 2 from Phoenix to Porto, returning Fri, Dec 11, priced at $736 found 1 day ago
British Airways
Tue, Jan 5 - Tue, Feb 2
PHX
Phoenix
OPO
Porto
$742 Roundtrip, found 4 days ago
$742
Roundtrip
found 4 days ago
Select British Airways flight, departing Tue, Jan 5 from Phoenix to Porto, returning Tue, Feb 2, priced at $742 found 4 days ago
KLM
Tue, Mar 16 - Thu, Mar 25
PHX
Phoenix
OPO
Porto
$772 Roundtrip, found 11 hours ago
$772
Roundtrip
found 11 hours ago
Select KLM flight, departing Tue, Mar 16 from Phoenix to Porto, returning Thu, Mar 25, priced at $772 found 11 hours ago

Alternative airports near Porto

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dr. Francisco de Sa Carneiro OPO. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $1,202
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city center14 min
Flights from $1,202

Find the cheapest month to fly from Phoenix (PHX) to Porto (OPO)

March is typically the cheapest month to fly

From $712 - $963 per traveler.

What you need to know for your flight from Sky Harbor Intl. to Dr. Francisco de Sa Carneiro

Phoenix (PHX) to Porto (OPO) at a glance

Travel with a selection of airlines that offer routes from Phoenix (PHX) to Porto (OPO) on this international long-haul journey. Evaluate your options from full-service carriers to discover the itinerary that aligns with your budget, schedule, and travel aspirations while you uncover the iconic attractions and neighborhoods of Porto. Find essential information for flights departing from Sky Harbor International Airport (PHX) to Dr. Francisco de Sa Carneiro Airport (OPO).

  • Fastest flight duration: around 11h 45m in-flight, plus roughly 3 hours layover with one stop
  • Route distance: roughly 5,400 miles (8,690 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $300–$845, depending on seasonality and how far ahead you book

Flights from Sky Harbor International Airport (PHX) to Dr. Francisco de Sa Carneiro Airport (OPO)

According to recent traveler bookings, here are the top airlines favored for flights from Phoenix to Porto, typically featuring one-stop and multi-stop options. Many travelers frequently choose layovers at Newark Liberty International Airport (EWR), with an average layover of about 2 hours and 45 minutes, and at Heathrow Airport (LHR), which offers a layover of approximately 3 hours and 15 minutes. This variety allows you to explore different combinations of price, total travel time, and cabin class to secure the ideal itinerary.

  • United: As a comprehensive service airline, United provides both one-stop and multi-stop options, with one-way fares generally falling between $300 and $880. It represents about 54% of departures on this route, featuring an average in-flight duration of 11 hours and 45 minutes, leading to a total travel time of approximately 14 hours and 45 minutes.
  • Air Canada: This full-service airline offers one-stop and multi-stop travel, with one-way ticket prices usually ranging from $360 to $845. Air Canada accounts for around 9% of flights on this route, with a typical multi-stop travel time of 14 hours in the air and a total journey time of about 18 hours.
  • British Airways: Known for its one-stop services, British Airways has one-way fares typically between $335 and $535. It comprises roughly 7% of the departures for this route, featuring an in-flight duration of 11 hours and 45 minutes, with a total travel time of around 14 hours and 45 minutes (layover included).
  • American Airlines: Offering multi-stop services, American Airlines has one-way prices that generally range from $355 to $700. It accounts for approximately 7% of departures on this route, with a flight time of 14 hours and a total travel duration of roughly 18 hours (including layovers).

Alternative routes from Phoenix (PHX) to Porto (OPO)

  • Phoenix to Braga (PHX-BGZ): Braga Airport (BGZ) is located approximately 27 miles from Dr. Francisco de Sa Carneiro Airport (OPO), offering convenient access to the region.
  • Phoenix to Coimbra (PHX-CBP): Bissaya Barreto Airport (CBP) is situated around 75 miles from Dr. Francisco de Sa Carneiro Airport (OPO), connecting travelers to this historic city.

How to find the best prices for flights from Phoenix (PHX) to Porto (OPO)

Getting some of the best deals on flights from Phoenix to Porto is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are generally available when booking at least two months in advance, which aligns with when most travelers make their reservations. Afternoon departures from 12 PM to 6 PM often provide lower prices, although morning flights from 5 AM to 12 PM remain the most popular. Additionally, flying on Tuesday tends to offer both cheaper rates and high travel demand.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Dr. Francisco de Sa Carneiro Airport from Sky Harbor International Airport

Porto welcomes travelers from Phoenix with a range of transport options based on price, convenience, and proximity. Porto city center is approximately a 10-minute drive (covering about 8 miles) from Dr. Francisco de Sa Carneiro Airport, depending on traffic. Here's how to reach Porto efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Porto, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Dr. Francisco de Sa Carneiro Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Dr. Francisco de Sa Carneiro Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Dr. Francisco de Sa Carneiro Airport, Aeroporto Station (a metro station) is located about 0.1 miles away on foot, providing easy access to public transport. For those traveling by car, Leixoes Seaport (a seaport) is approximately 5.2 miles from the airport, while the Port of Leixões Cruise Terminal (a cruise terminal) is situated about 5.7 miles away by car.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) cost?
You can find cheap one-way flights from $334 and cheap return flights from $716 Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) with Expedia. One-way flights usually range from $458 to $3666, and return flights typically cost between $743 and $5892. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The cheapest month to fly from PHX to OPO is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Enter PHX to OPO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Virgin Atlantic is one of the cheapest airlines offering connecting flights from Sky Harbor Intl. (PHX) to Dr. Francisco de Sa Carneiro (OPO), with round-trip tickets starting from around $904. This flight includes a layover in Hartsfield-Jackson Atlanta Intl. (ATL). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The earliest flight from Sky Harbor International Airport (PHX) to Dr. Francisco de Sa Carneiro Airport (OPO) usually departs at 12:20 AM, operated by American Airlines and Iberia. This seasonal service is active in October, giving you a chance to start your journey to Porto early. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The most popular departure times for flights from Phoenix, AZ (PHX) to Porto (OPO) are in the late morning, from 9am to noon. About 27% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines, and Lufthansa, offer flights during this window. This timing is favored because it allows you to enjoy a leisurely morning before heading to the airport.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Flights from PHX to OPO with one stop typically take around 12 hours 50 minutes, covering approximately 5,347 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Business class seats are offered on the PHX to OPO route. Airlines that offer business class service on this route include:

  • United Airlines
  • Air France
  • Air Canada
  • Delta Air Lines
  • American Airlines
  • British Airways
  • JetBlue Airways

How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Porto from Sky Harbor Intl. (PHX)?
If you're planning to travel to Porto from Sky Harbor Intl. (PHX), you can fly into Dr. Francisco de Sa Carneiro (OPO) Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), O'Hare Intl. (ORD), Los Angeles Intl. (LAX) before reaching Porto. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) Porto Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air Canada, Air Europa, Air France, Air Transat, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$715
Distance
5346 mi

Book with confidence

Phoenix to Porto Flights

The cheapest times to fly from Phoenix to Porto

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Porto are during the month of March. You can find some of the cheapest flights from Phoenix to Porto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Porto

Sunday is one of the best days to book for cheap flights from Phoenix to Porto: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Porto

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Porto in 2026. You can also book with separate airlines for your outbound and return journeys, from $334 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Porto flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Porto airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Phoenix to Porto Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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