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Cheap flights from Phoenix to Porto from $274

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 to Porto departing on 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Phoenix to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
3:50 pm - 10:25 amPHX-OPO
35h 35m1 stop
Delta Logo
6:00 am - 10:42 pmOPO-PHX
23h 42m2 stops
$585Delta
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Wed, Dec 31 - Wed, Jan 14
Delta Logo
6:19 am - 10:30 amPHX-OPO
21h 11m2 stops
Delta Logo
6:30 am - 11:48 pmOPO-PHX
24h 18m2 stops
$590Delta
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Tue, Dec 30 - Fri, Jan 30
United Airlines Logo
11:10 am - 9:30 amPHX-OPO
15h 20m1 stop
United Airlines Logo
6:00 am - 8:51 pmOPO-PHX
21h 51m2 stops
$632United Airlines
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Thu, Feb 26 - Wed, Mar 4
United Airlines Logo
11:10 am - 9:30 amPHX-OPO
15h 20m1 stop
United Airlines Logo
6:00 am - 7:18 pmOPO-PHX
20h 18m2 stops
$633United Airlines
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Thu, Feb 26 - Wed, Mar 4
British Airways Logo
4:42 pm - 5:45 pmPHX-OPO
18h 03m2 stops
British Airways Logo
6:25 pm - 6:20 pmOPO-PHX
30h 55m1 stop
$651British Airways
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Tue, Dec 2 - Tue, Dec 9
American Airlines Logo
8:15 am - 7:40 amPHX-OPO
16h 25m2 stops
American Airlines Logo
8:20 am - 11:57 pmOPO-PHX
22h 37m2 stops
$782American Airlines
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Sun, Dec 28 - Fri, Jan 30
American Airlines Logo
6:10 am - 11:45 amPHX-OPO
22h 35m2 stops
American Airlines Logo
12:25 pm - 10:23 amOPO-PHX
28h 58m2 stops
$802American Airlines
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Wed, Dec 31 - Tue, Jan 13
Air Transat Logo
1:35 pm - 7:05 amPHX-OPO
34h 30m1 stop
Air Transat Logo
8:50 am - 11:37 amOPO-PHX
33h 47m1 stop
$803Air Transat
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Thu, Mar 5 - Thu, Mar 19
Air Transat Logo
12:40 pm - 11:45 amPHX-OPO
15h 05m1 stop
Air Transat Logo
1:30 pm - 11:42 amOPO-PHX
30h 12m1 stop
$824Air Transat
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Fri, May 1 - Sat, May 9
British Airways Logo
10:28 pm - 5:35 pmPHX-OPO
36h 07m2 stops
British Airways Logo
8:40 pm - 7:21 pmOPO-PHX
29h 41m2 stops
$831British Airways
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Sun, Jan 4 - Wed, Jan 14

Delta flights from Phoenix to Porto

Our best Delta deals on Phoenix to Porto flight tickets
Delta
Dec 31
PHX3:50 pmPhoenix Sky Harbor Intl
35h 35m
1 stop
OPO10:25 amPorto
Jan 14
OPO6:00 amPorto
23h 42m
2 stops
PHX10:42 pmPhoenix Sky Harbor Intl
$585
Find similar
Delta
Dec 30
PHX6:19 amPhoenix Sky Harbor Intl
21h 11m
2 stops
OPO10:30 amPorto
Jan 30
OPO6:30 amPorto
24h 18m
2 stops
PHX11:48 pmPhoenix Sky Harbor Intl
$590
Find similar
Delta
Dec 31
PHX7:00 amPhoenix Sky Harbor Intl
20h 30m
2 stops
OPO10:30 amPorto
Jan 14
OPO6:00 amPorto
24h 40m
2 stops
PHX11:40 pmPhoenix Sky Harbor Intl
$596
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British Airways flights from Phoenix to Porto

Our best British Airways deals on Phoenix to Porto flight tickets
British Airways
Dec 2
PHX4:42 pmPhoenix Sky Harbor Intl
18h 03m
2 stops
OPO5:45 pmPorto
Dec 9
OPO6:25 pmPorto
30h 55m
1 stop
PHX6:20 pmPhoenix Sky Harbor Intl
$651
Find similar
British Airways
Jan 4
PHX10:28 pmPhoenix Sky Harbor Intl
36h 07m
2 stops
OPO5:35 pmPorto
Jan 14
OPO8:40 pmPorto
29h 41m
2 stops
PHX7:21 pmPhoenix Sky Harbor Intl
$831
Find similar
British Airways
Dec 30
PHX12:39 amPhoenix Sky Harbor Intl
33h 06m
2 stops
OPO4:45 pmPorto
Jan 12
OPO5:30 pmPorto
31h 45m
1 stop
PHX6:15 pmPhoenix Sky Harbor Intl
$833
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Phoenix to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 12/31

3:50 pm-10:25 am

1 stop35h 35m

Porto

Wed 1/14

6:00 am-10:42 pm

2 stops23h 42m

$585

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 12/30

6:19 am-10:30 am

2 stops21h 11m

Porto

Fri 1/30

6:30 am-11:48 pm

2 stops24h 18m

$590

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

11:10 am-9:30 am

1 stop15h 20m

Porto

Wed 3/4

6:00 am-8:51 pm

2 stops21h 51m

$632

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

11:10 am-9:30 am

1 stop15h 20m

Porto

Wed 3/4

6:00 am-7:18 pm

2 stops20h 18m

$633

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 12/2

4:42 pm-5:45 pm

2 stops18h 03m

Porto

Tue 12/9

6:25 pm-6:20 pm

1 stop30h 55m

$651

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 12/28

8:15 am-7:40 am

2 stops16h 25m

Porto

Fri 1/30

8:20 am-11:57 pm

2 stops22h 37m

$782

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 12/31

6:10 am-11:45 am

2 stops22h 35m

Porto

Tue 1/13

12:25 pm-10:23 am

2 stops28h 58m

$802

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 3/5

1:35 pm-7:05 am

1 stop34h 30m

Porto

Thu 3/19

8:50 am-11:37 am

1 stop33h 47m

$803

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Fri 5/1

12:40 pm-11:45 am

1 stop15h 05m

Porto

Sat 5/9

1:30 pm-11:42 am

1 stop30h 12m

$824

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 1/4

10:28 pm-5:35 pm

2 stops36h 07m

Porto

Wed 1/14

8:40 pm-7:21 pm

2 stops29h 41m

$831

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Phoenix 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, with most prices found around $595. If you aren’t able to travel during the month of November, then book flights to Porto from Phoenix during March instead. Flights to Porto in March, while not as cheap as those in November, still average around $604.

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 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 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $850 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Phoenix for as low as $652 on momondo.

Cheap Phoenix to Porto flight deals and tips

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

Direct flights

None
There are no direct flights from Phoenix to Porto. There are no popular flight routes from Phoenix to Porto.
Search flight deals

  • How far is Phoenix to Porto by plane?

    A flight from Phoenix to Porto will travel around 5350.0 mi. A reasonable flight in good conditions will take 12h 45m.

  • When did momondo last update prices for flights from Phoenix to Porto Airport?

    Prices for flights from Phoenix to Porto Airport are updated daily.

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

  • How old do you have to be to fly from Phoenix 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 Phoenix 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.

Best airlines flying from Phoenix to Porto

Compare and see reviews for airlines that fly from Phoenix to Porto with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $568Free CancellationRating
7.1
10,416 reviews
Search Air Canada flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
American AirlinesPriceFrom $592Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
British AirwaysPriceFrom $600Free CancellationRating
6.7
7,500 reviews
Search British Airways flights
DeltaPriceFrom $639Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Air TransatPriceFrom $797Free CancellationRating
7.8
470 reviews
Search Air Transat flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Aveiro
Matosinhos
Braga
Lamego
Guimarães
Esposende
Chaves
Espinho
Viseu
Ponte de Lima
Arcos de Valdevez
Pinhao
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Porto?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Phoenix to Porto for 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?

momondo helps you find the best flight between Phoenix and Porto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Phoenix to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Porto trip

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