Cheap flights from Phoenix Sky Harbor Intl Airport to Porto from $336
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 Sky Harbor Intl Airport to Porto departing on 10/4. 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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United Airlines flights from Phoenix Sky Harbor Intl Airport to Porto
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British Airways flights from Phoenix Sky Harbor Intl Airport to Porto
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How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport 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
What is the cheapest month to fly to Porto?
The month of November is, on average, the cheapest month to fly to Porto from Phoenix Sky Harbor Intl Airport, with most prices found around $605. If you aren’t able to travel during the month of November, then book flights to Porto from Phoenix Sky Harbor Intl Airport during March instead. Flights to Porto in March, while not as cheap as those in November, still average around $613.
What is the cheapest day to depart on your flight to Porto?
The cheapest day to depart on your flight to Porto is on a Wednesday when prices can be found for as low as $758. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,126. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.
What is the cheapest time of day to depart on your flight to Porto?
In the afternoon is the cheapest time of day to fly from Phoenix Sky Harbor Intl Airport to Porto when you can find flight prices for as low as $795. Flying to Porto in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $983 on average. Flights to Porto from Phoenix Sky Harbor Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Porto?
You are more likely to see cheaper flights to Porto from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $866 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Phoenix Sky Harbor Intl Airport for as low as $652 on momondo.
What is the cheapest airline that flies from Phoenix Sky Harbor Intl to Porto?
Air Transat, Air Canada, and United Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to Porto
What airlines fly to Porto?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Porto from Phoenix Sky Harbor Intl Airport according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 7 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.
When to book flights from Phoenix Sky Harbor Intl Airport to Porto
Cheap Phoenix Sky Harbor Intl Airport to Porto (PHX to OPO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Porto
How far is Phoenix Sky Harbor Intl to Porto by plane?
The straight-line distance from Phoenix Sky Harbor Intl to Porto is 5347.3 mi. In terms of flight time, this usually takes a little over 13h 50m.
When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Porto Airport?
Prices for flights from Phoenix Sky Harbor Intl Airport to Porto Airport were last updated today.
How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Porto Airport?
As of June 2025, there are 7 operators available to choose from for flights from Phoenix Sky Harbor Intl Airport to Porto Airport.
How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Porto Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport 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.
What is the most popular airline from Phoenix Sky Harbor Intl Airport to Porto?
momondo data reveals that the most frequently booked airline on the route from Phoenix Sky Harbor Intl Airport to Porto is United Airlines, representing 40% of all bookings. The subsequent popular airlines are Delta at 21%, American Airlines at 19%, and British Airways at 7%.
Best airlines flying from Phoenix Sky Harbor Intl Airport to Porto
Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Porto with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $568 | Free Cancellation | Rating 7.1 9,572 reviews | |||
| PriceFrom $579 | Free Cancellation | Rating 7.8 1,364 reviews | |||
| PriceFrom $585 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $590 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $592 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $677 | Free Cancellation | Rating 6.6 7,031 reviews | |||
| PriceFrom $797 | Free Cancellation | Rating 7.8 398 reviews |
Traveling to a place near Porto?
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Why should I use momondo to find a flight deal from Phoenix to Porto?
It is quick and easy to find Phoenix to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits 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?
Once all potential Phoenix to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Phoenix to Porto right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Porto from Phoenix. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.