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$429+ Cheap flights from Phoenix to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — OPO
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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The best prices from Phoenix to Porto are usually found in November or February, booked 39 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Phoenix to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 3, 2025.

Round-trip from

$611
(Air Canada)

One-way from

$429
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$681
From Phoenix to Porto
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One-way flight from Phoenix to Porto
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Highest demand for flights based on searches. 7% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Phoenix to Porto

Cheapest flights from Phoenix to Porto
Explore the most affordable flight options available from Phoenix to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2025.

This Air Canada deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/712:45 pmPHX - OPO
2 stops38h 45mMultiple Airlines
Tue 4/156:15 amOPO - PHX
2 stops37h 20mMultiple Airlines
Deal found 3/2$611
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/511:32 pmPHX - OPO
2 stops26h 13mUnited Airlines
Wed 4/166:00 amOPO - PHX
2 stops23h 51mUnited Airlines
Deal found 3/2$613
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/73:05 pmPHX - OPO
1 stop16h 25mDelta
Mon 4/1411:25 amOPO - PHX
2 stops38h 58mDelta
Deal found 3/2$621
This SWISS deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/87:15 amPHX - OPO
2 stops44h 10mSWISS
Mon 4/147:20 pmOPO - PHX
2 stops34h 31mSWISS
Deal found 3/2$623
This Lufthansa deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/92:35 pmPHX - OPO
2 stops24h 10mLufthansa
Tue 4/156:00 amOPO - PHX
2 stops23h 51mLufthansa
Deal found 3/2$631
This British Airways deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/68:40 pmPHX - OPO
1 stop15h 45mBritish Airways
Wed 4/168:20 pmOPO - PHX
1 stop30h 10mBritish Airways
Deal found 3/2$676
This FlightHub deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1112:40 pmPHX - OPO
1 stop15h 05mAir Transat
Fri 7/41:30 pmOPO - PHX
1 stop30h 10mAir Transat
Deal found 3/1$809
This Expedia deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1712:42 pmPHX - OPO
2 stops38h 58mIberia
Sat 5/318:15 amOPO - PHX
2 stops18h 41mIberia
Deal found 3/3$929
This Justfly.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/188:00 amPHX - OPO
1 stop17h 30mAir Canada
Thu 7/312:15 pmOPO - PHX
2 stops31h 04mAir Canada
Deal found 3/2$1,089
This KLM deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/173:05 pmPHX - OPO
1 stop16h 25mKLM
Sat 5/316:40 amOPO - PHX
2 stops21h 15mKLM
Deal found 3/3$1,091
This oojo deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2411:59 pmPHX - OPO
2 stops26h 51mTurkish Airlines
Thu 3/274:20 pmOPO - PHX
2 stops49h 24mTurkish Airlines
Deal found 3/2$1,195

Find flights from Phoenix to Porto within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated March 3, 2025.

Fly from

Phoenix

Fly to

Porto

Route

Depart

Return

Price

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/7

12:45 pm-11:30 am

2 stops38h 45m

Porto

Tue 4/15

6:15 am-11:35 am

2 stops37h 20m

$611

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 4/5

11:32 pm-9:45 am

2 stops26h 13m

Porto

Wed 4/16

6:00 am-11:32 pm

3 stops25h 32m

$613

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/7

3:05 pm-3:30 pm

1 stop16h 25m

Porto

Mon 4/14

11:25 am-6:23 pm

2 stops38h 58m

$621

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Tue 4/8

7:15 am-11:25 am

2 stops44h 10m

Porto

Mon 4/14

7:20 pm-9:51 pm

2 stops34h 31m

$623

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 4/9

2:35 pm-10:45 pm

2 stops24h 10m

Porto

Tue 4/15

6:00 am-9:51 pm

2 stops23h 51m

$631

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sun 4/6

8:40 pm-8:25 pm

1 stop15h 45m

Porto

Wed 4/16

8:20 pm-6:30 pm

1 stop30h 10m

$676

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 6/11

12:40 pm-11:45 am

1 stop15h 05m

Porto

Fri 7/4

1:30 pm-11:40 am

1 stop30h 10m

$809

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 5/17

12:42 pm-11:40 am

2 stops38h 58m

Porto

Sat 5/31

8:15 am-6:56 pm

2 stops18h 41m

$929

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Wed 6/18

8:00 am-9:30 am

1 stop17h 30m

Porto

Thu 7/3

12:15 pm-11:19 am

2 stops31h 04m

$1,089

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 5/17

3:05 pm-3:30 pm

1 stop16h 25m

Porto

Sat 5/31

6:40 am-7:55 pm

2 stops21h 15m

$1,091

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 19 results
1
2

Best time to book a flight from Phoenix to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Phoenix with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Phoenix to Porto

Get recent, data-driven insights about flights from Phoenix to Porto including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Phoenix to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Porto. Price data was last updated on February 28, 2025.

The price you pay for your flight from Phoenix to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Phoenix to Porto?

Currently, January is the cheapest month in which you can book a flight from Phoenix to Porto (average of $523). Flying from Phoenix to Porto in June is currently the most expensive (average of $1,089). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to OPO?

Find hourly flight availability from Phoenix to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 3, 2025.

It’s typically best to fly out from Phoenix to Porto in the afternoon. Doing so could potentially save you 20% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated March 3, 2025.
Delta
8.0
Very good
8,068 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,068 reviews
Delta
8.0
Very good
8,068 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
8,068 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
382 reviews
Delta
8.0
Very good
8,068 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,562 reviews
Delta
8.0
Very good
8,068 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,679 reviews
Delta
8.0
Very good
8,068 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Phoenix?

    If you book a flight to Porto from Phoenix, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto. There are 0 flights from Phoenix to Porto per day from 5 different airlines.

  • What are the cheapest airlines flying from Phoenix to Porto round-trip?

    Cheapflights users have booked flights from Phoenix to Porto round-trip from $613. Other airlines that can offer you cheap pricing are Delta, from $621, and SWISS, from $623. United Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Phoenix to Porto one-way?

    The cheapest airlines for a one-way flight from Phoenix to Porto are Air Transat ($481), KLM ($579), and Iberia ($754).

  • Can I find deals for flights from Phoenix to Porto that include hotel bookings?

    Yes. In addition to deals on Phoenix to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Porto.

  • Can I find deals for business class flights from Phoenix to Porto?

    Yes. Cheapflights offers flight deals from Phoenix to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix to Porto?

    Currently, January is the cheapest month in which you can book a flight from Phoenix to Porto (average of $523). Flying from Phoenix to Porto in June is currently the most expensive (average of $1,089). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
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Top 5 airlines flying from Phoenix to Porto

Discover the top 5 airlines that operate flights from Phoenix to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$545Average$668FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$585Average$1,185FlexibilityNo cancel feeOn-time69%
DeltaCheapest$605Average$923FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$674Average$892FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$677Average$796FlexibilityNo cancel feeOn-time70%
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