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Cheap flights from Phoenix to Porto from $326

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 4/29. 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.
United Airlines Logo
9:50 am - 3:40 pm
PHX
-
OPO
21h 50m
2 stops
United Airlines Logo
6:00 am - 11:38 pm
OPO
-
PHX
25h 38m
2 stops
$579United Airlines
Mon, Apr 20 - Thu, Apr 30
Iberia Logo
4:00 pm - 8:00 pm
PHX
-
OPO
20h 00m
2 stops
Iberia Logo
8:40 pm - 6:54 pm
OPO
-
PHX
30h 14m
2 stops
$602Iberia
Mon, Apr 13 - Mon, Apr 20
Delta Logo
3:25 pm - 10:05 pm
PHX
-
OPO
22h 40m
1 stop
Delta Logo
5:00 am - 4:37 pm
OPO
-
PHX
19h 37m
2 stops
$605Delta
Tue, May 5 - Sat, May 23
Delta Logo
6:40 am - 3:25 pm
PHX
-
OPO
24h 45m
2 stops
Delta Logo
5:55 am - 1:10 pm
OPO
-
PHX
15h 15m
1 stop
$606Delta
Mon, May 4 - Sun, May 24
Delta Logo
10:08 am - 3:25 pm
PHX
-
OPO
21h 17m
2 stops
Delta Logo
5:00 am - 4:37 pm
OPO
-
PHX
19h 37m
2 stops
$609Delta
Mon, May 4 - Sat, May 23
Delta Logo
3:25 pm - 10:05 pm
PHX
-
OPO
22h 40m
1 stop
Delta Logo
4:25 pm - 1:10 pm
OPO
-
PHX
28h 45m
1 stop
$615Delta
Tue, May 5 - Sat, May 23
Delta Logo
6:40 am - 3:25 pm
PHX
-
OPO
24h 45m
2 stops
Delta Logo
4:25 pm - 1:10 pm
OPO
-
PHX
28h 45m
1 stop
$619Delta
Mon, May 4 - Sat, May 23
Delta Logo
3:25 pm - 10:05 pm
PHX
-
OPO
22h 40m
1 stop
Delta Logo
5:00 am - 7:49 pm
OPO
-
PHX
22h 49m
2 stops
$625Delta
Tue, Mar 31 - Tue, Apr 14
Delta Logo
9:42 am - 3:25 pm
PHX
-
OPO
21h 43m
2 stops
Delta Logo
5:00 am - 7:49 pm
OPO
-
PHX
22h 49m
2 stops
$629Delta
Tue, Mar 31 - Tue, Apr 14
Multiple Airlines Logo
7:07 am - 7:00 am
PHX
-
OPO
15h 53m
2 stops
Multiple Airlines Logo
2:25 pm - 11:57 am
OPO
-
PHX
53h 32m
2 stops
$636Multiple Airlines
Wed, Aug 5 - Wed, Aug 19

Iberia flights from Phoenix to Porto

Our best Iberia deals on Phoenix to Porto flight tickets
Iberia
Apr 13
PHX4:00 pmPhoenix Sky Harbor Intl
20h 00m
2 stops
OPO8:00 pmPorto
Apr 20
OPO8:40 pmPorto
30h 14m
2 stops
PHX6:54 pmPhoenix Sky Harbor Intl
$602
Iberia
Apr 13
PHX1:09 pmPhoenix Sky Harbor Intl
18h 51m
2 stops
OPO4:00 pmPorto
Apr 27
OPO8:20 amPorto
19h 06m
2 stops
PHX7:26 pmPhoenix Sky Harbor Intl
$641

Air Canada flights from Phoenix to Porto

Our best Air Canada deals on Phoenix to Porto flight tickets
Air Canada
Aug 16
PHX11:59 pmPhoenix Sky Harbor Intl
23h 01m
2 stops
OPO7:00 amPorto
Aug 23
OPO12:15 pmPorto
31h 16m
2 stops
PHX11:31 amPhoenix Sky Harbor Intl
$720
Air Canada
Aug 16
PHX11:55 amPhoenix Sky Harbor Intl
35h 05m
2 stops
OPO7:00 amPorto
Aug 23
OPO12:15 pmPorto
15h 05m
1 stop
PHX7:20 pmPhoenix Sky Harbor Intl
$722

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 February 28, 2026.
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

Mon 4/20

9:50 am-3:40 pm

2 stops21h 50m

Porto

Thu 4/30

6:00 am-11:38 pm

2 stops25h 38m

$579

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/13

4:00 pm-8:00 pm

2 stops20h 00m

Porto

Mon 4/20

8:40 pm-6:54 pm

2 stops30h 14m

$602

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 5/5

3:25 pm-10:05 pm

1 stop22h 40m

Porto

Sat 5/23

5:00 am-4:37 pm

2 stops19h 37m

$605

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 5/4

6:40 am-3:25 pm

2 stops24h 45m

Porto

Sun 5/24

5:55 am-1:10 pm

1 stop15h 15m

$606

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 5/4

10:08 am-3:25 pm

2 stops21h 17m

Porto

Sat 5/23

5:00 am-4:37 pm

2 stops19h 37m

$609

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 5/5

3:25 pm-10:05 pm

1 stop22h 40m

Porto

Sat 5/23

4:25 pm-1:10 pm

1 stop28h 45m

$615

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 5/4

6:40 am-3:25 pm

2 stops24h 45m

Porto

Sat 5/23

4:25 pm-1:10 pm

1 stop28h 45m

$619

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 3/31

3:25 pm-10:05 pm

1 stop22h 40m

Porto

Tue 4/14

5:00 am-7:49 pm

2 stops22h 49m

$625

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 3/31

9:42 am-3:25 pm

2 stops21h 43m

Porto

Tue 4/14

5:00 am-7:49 pm

2 stops22h 49m

$629

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 8/5

7:07 am-7:00 am

2 stops15h 53m

Porto

Wed 8/19

2:25 pm-11:57 am

2 stops53h 32m

$636

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 typical price of a round-trip flight between Phoenix and Porto?

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 $590. 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 $597.

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 $798 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 $643 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

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from Phoenix to Porto takes 14h 30m
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 14h 30m.

  • 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
American AirlinesPriceFrom $460Free CancellationRating
7.1
11,367 reviews
Search American Airlines flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,362 reviews
Search United Airlines flights
British AirwaysPriceFrom $600Free CancellationRating
6.7
7,772 reviews
Search British Airways flights
DeltaPriceFrom $639Free CancellationRating
7.9
8,244 reviews
Search Delta 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
Matosinhos
Braga
Aveiro
Esposende
Lamego
Guimarães
Pinhao
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
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.

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