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$354+ Cheap flights from Gilbert, AZ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — OPO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Gilbert to Porto are usually found in November or March, booked 28 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Gilbert to Porto

Cheapest flights from Gilbert to Porto
Explore the most affordable flight options available from Gilbert to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Iberia deal was found by Cheapflights users on 12/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 amPHX - OPO
2 stops17h 40mIberia
Fri 1/308:20 amOPO - PHX
2 stops18h 59mIberia
Deal found 12/16$709
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:45 amPHX - OPO
3 stops21h 55mUnited Airlines
Fri 1/3012:30 pmOPO - PHX
2 stops41h 29mUnited Airlines
Deal found 12/16$983
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:59 pmPHX - OPO
2 stops16h 51mLufthansa
Fri 1/3012:30 pmOPO - PHX
2 stops38h 37mLufthansa
Deal found 12/17$1,255
This KLM deal was found by Cheapflights users on 12/17. 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.
Sun 12/283:50 pmPHX - OPO
1 stop35h 40mKLM
Fri 1/305:00 amOPO - PHX
2 stops18h 19mKLM
Deal found 12/17$1,259
This Delta deal was found by Cheapflights users on 12/17. 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.
Sun 12/286:00 amPHX - OPO
2 stops21h 30mDelta
Fri 1/305:00 amOPO - PHX
2 stops24h 49mDelta
Deal found 12/17$1,262
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/286:45 amPHX - OPO
3 stops21h 55mUnited Airlines
Fri 1/3012:30 pmOPO - PHX
2 stops41h 29mUnited Airlines
Deal found 12/16$1,345
This Gurufare deal was found by Cheapflights users on 12/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:11 pmPHX - OPO
2 stops38h 14mLufthansa
Fri 12/266:30 amOPO - PHX
2 stops18h 49mLufthansa
Deal found 12/16$1,512
This Trip.com deal was found by Cheapflights users on 12/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:35 pmPHX - OPO
1 stop34h 30mMultiple Airlines
Fri 12/2612:25 pmOPO - PHX
2 stops35h 09mMultiple Airlines
Deal found 12/16$2,226
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/236:45 amPHX - OPO
3 stops21h 55mUnited Airlines
Fri 12/269:00 amOPO - PHX
2 stops18h 52mUnited Airlines
Deal found 12/17$3,327

Find flight deals from Gilbert to Porto

Keep the following information in mind while searching for Gilbert to Porto flight deals. Data was last updated December 18, 2025.

Round-trip from

$646
(FlightHub)

One-way from

$354
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,168
From Gilbert to Porto
Search Deals
One-way flight from Gilbert to Porto
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gilbert 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 December 18, 2025.
Use the filters below to find and compare flights from Gilbert to Porto that are best for you.

Fly from

Gilbert

Fly to

Porto

Route

Depart

Return

Price

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

11:10 am-9:30 am

1 stop15h 20m

Porto

Wed 3/4

4:15 pm-6:59 pm

2 stops33h 44m

$646

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Mon 4/20

6:05 am-9:45 am

2 stops19h 40m

Porto

Thu 4/30

6:00 am-10:15 pm

2 stops24h 15m

$652

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Thu 2/26

6:07 am-7:40 am

2 stops18h 33m

Porto

Wed 3/4

8:40 pm-8:55 am

2 stops19h 15m

$659

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Fri 3/27

3:50 pm-10:00 pm

1 stop23h 10m

Porto

Tue 3/31

6:15 am-1:10 pm

1 stop14h 55m

$664

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 3/7

7:36 pm-3:15 pm

2 stops36h 39m

Porto

Sun 3/15

12:30 pm-6:19 pm

2 stops36h 49m

$681

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Fri 1/23

3:50 pm-10:30 am

1 stop35h 40m

Porto

Wed 2/4

5:00 am-5:35 pm

2 stops19h 35m

$689

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Fri 1/23

6:15 am-10:30 am

2 stops21h 15m

Porto

Wed 2/4

5:00 am-10:40 pm

2 stops24h 40m

$692

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Fri 5/1

7:00 am-9:45 am

2 stops18h 45m

Porto

Sat 5/9

6:00 am-9:23 pm

3 stops23h 23m

$701

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 1/31

4:36 pm-10:25 pm

2 stops46h 49m

Porto

Sat 2/7

11:55 am-10:59 pm

2 stops42h 04m

$713

PhoenixPorto

PHX - OPO

PHXOPO

Phoenix Sky Harbor Intl

Sat 1/31

1:57 pm-11:40 am

2 stops38h 43m

Porto

Sat 2/7

12:30 pm-11:57 pm

2 stops42h 27m

$732

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 19 results
1
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Best time to book a flight from Gilbert to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Gilbert 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.

Cheapflights Insights

Everything you need to know about your flight from Gilbert to Porto

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

Use this chart to determine the optimal time to book a round-trip flight from Gilbert to Porto. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Gilbert to Porto, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Gilbert to Porto (average of $564). Flying from Gilbert to Porto in June is currently the most expensive (average of $855). 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 G1L to OPO?

Find hourly flight availability from Gilbert 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 December 18, 2025.

It’s optimal to fly from Gilbert to Porto in the evening. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the afternoon.

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 December 18, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Gilbert to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,006 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,091 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,534 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,585 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Gilbert 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 Gilbert?

    Porto (OPO) is the airport you will fly into if you book a flight from Gilbert to Porto. You should not have trouble finding flights to Porto from Gilbert; the airport handles an average of 0 inbound flights from Gilbert per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Porto airport from Gilbert. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

  • How long is the flight from Gilbert to Porto?

    Lufthansa, United Airlines, and American Airlines can get you from Gilbert to Porto in just under 15h 20m. Your travel time can differ by up to 3h 15m. There are 5342 mi between Gilbert and Porto. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Gilbert 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 Gilbert to Porto?

    Currently, November is the cheapest month in which you can book a flight from Gilbert to Porto (average of $564). Flying from Gilbert to Porto in June is currently the most expensive (average of $855). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Gilbert to Porto

Discover the top 6 airlines that operate flights from Gilbert 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$568Average$840FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$585Average$903FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$592Average$743FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$600Average$748FlexibilityNo cancel feeOn-time70%
DeltaCheapest$639Average$899FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$797Average$807FlexibilityNo cancel feeOn-time50%

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