$334+ Cheap flights from Sky Harbor Intl (PHX) 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — OPO
Sep 8 — Sep 151
Round-trip
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Porto with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sky Harbor Intl to Porto
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One-way
Cheapest flights from Sky Harbor Intl to PortoExplore the most affordable flight options available from Sky Harbor Intl to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 9, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 9, 2026.
This Expedia deal was found by Cheapflights users on 8/5. 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.
Wed 11/184:37 pm -
2 stops24h 18m
Wed 12/96:00 am -
2 stops37h 20m
Deal found 8/5![Multiple Airlines logo]()
$701
This Expedia deal was found by Cheapflights users on 8/8. 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.
Mon 11/238:20 am -
2 stops20h 45m
Fri 11/276:15 am -
2 stops36h 40m
Deal found 8/8![Multiple Airlines logo]()
$702
This Expedia deal was found by Cheapflights users on 8/8. 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.
Wed 12/911:04 am -
2 stops21h 56m
Tue 12/1512:25 pm -
2 stops39h 14m
Deal found 8/8![Iberia logo]()
$714
This Delta deal was found by Cheapflights users on 8/5. 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.
Wed 11/186:25 am -
1 stop19h 40m
Wed 12/95:55 am -
1 stop15h 00m
Deal found 8/5![Delta logo]()
$716
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Wed 12/99:15 am -
1 stop17h 15m
Fri 12/1112:35 pm -
2 stops28h 12m
Deal found 8/8![United Airlines logo]()
$717
This Delta deal was found by Cheapflights users on 8/5. 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.
Wed 11/1112:46 pm -
1 stop13h 19m
Wed 11/185:00 am -
2 stops18h 40m
Deal found 8/5![Delta logo]()
$719
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 11/239:55 am -
2 stops16h 35m
Fri 11/276:00 am -
2 stops25h 01m
Deal found 8/8![United Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 8/7. 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 12/55:00 pm -
2 stops33h 30m
Wed 12/912:35 pm -
1 stop18h 02m
Deal found 8/7![United Airlines logo]()
$731
This Expedia deal was found by Cheapflights users on 8/5. 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.
Sun 11/19:35 am -
2 stops19h 10m
Tue 11/108:20 am -
2 stops19h 29m
Deal found 8/5![Iberia logo]()
$766
Best flights from Sky Harbor Intl to PortoDiscover carefully curated flight deals from Sky Harbor Intl to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 9, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 9, 2026.
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Wed 12/97:00 am -
2 stops19h 30m
Fri 12/1112:35 pm -
1 stop18h 02m
Deal found 8/6![United Airlines logo]()
$726
This KLM deal was found by Cheapflights users on 8/5. 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 11/112:46 pm -
1 stop13h 19m
Wed 11/115:55 am -
1 stop15h 00m
Deal found 8/5![KLM logo]()
$776
This Air Canada deal was found by Cheapflights users on 8/9. 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.
Tue 10/277:20 am -
2 stops21h 45m
Sun 11/16:15 am -
2 stops37h 08m
Deal found 8/9![Air Canada logo]()
$826
This Delta deal was found by Cheapflights users on 8/9. 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.
Tue 10/276:05 am -
2 stops21h 30m
Sun 11/15:55 am -
1 stop15h 00m
Deal found 8/9![Delta logo]()
$830
This Delta deal was found by Cheapflights users on 8/7. 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 10/43:25 pm -
1 stop22h 35m
Fri 10/165:00 am -
2 stops22h 56m
Deal found 8/7![Delta logo]()
$876
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 10/56:43 pm -
3 stops28h 17m
Sun 10/186:00 am -
2 stops22h 49m
Deal found 8/8![United Airlines logo]()
$989
This Delta deal was found by Cheapflights users on 8/7. 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 9/63:25 pm -
1 stop16h 05m
Tue 9/226:15 am -
1 stop14h 55m
Deal found 8/7![Delta logo]()
$924
This Delta deal was found by Cheapflights users on 8/8. 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.
Thu 9/246:10 am -
2 stops18h 20m
Thu 10/295:00 am -
2 stops21h 56m
Deal found 8/8![Delta logo]()
$941
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 9/2411:52 pm -
2 stops23h 18m
Tue 11/1012:35 pm -
1 stop16h 35m
Deal found 8/6![United Airlines logo]()
$1,054
Last-minute flights from Sky Harbor Intl to PortoDiscover last-minute flight deals from Sky Harbor Intl to Porto. Data last updated August 9, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Porto. Data last updated August 9, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 8/7. 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 9/63:25 pm -
1 stop16h 05m
Tue 9/225:00 am -
2 stops18h 58m
Deal found 8/7![KLM logo]()
$922
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/1511:54 pm -
1 stop23h 01m
Tue 9/2212:15 pm -
2 stops35h 05m
Deal found 8/7![United Airlines logo]()
$914
This Mytrip deal was found by Cheapflights users on 8/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:15 pm -
3 stops34h 55m
Tue 9/229:00 am -
2 stops35h 10m
Deal found 8/7![Multiple Airlines logo]()
$915
This Gotogate deal was found by Cheapflights users on 8/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:21 pm -
2 stops32h 39m
Tue 9/2212:15 pm -
2 stops32h 41m
Deal found 8/6![Air Canada logo]()
$917
This Air France deal was found by Cheapflights users on 8/7. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:25 pm -
1 stop16h 00m
Tue 9/226:15 am -
1 stop14h 55m
Deal found 8/7![Air France logo]()
$924
This Delta deal was found by Cheapflights users on 8/9. 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.
Thu 9/243:25 pm -
1 stop22h 35m
Tue 11/105:00 am -
2 stops19h 39m
Deal found 8/9![Delta logo]()
$887
This FlightHub deal was found by Cheapflights users on 8/7. 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.
Thu 9/2412:00 pm -
2 stops35h 10m
Tue 11/1012:05 pm -
2 stops40h 54m
Deal found 8/7![Multiple Airlines logo]()
$895
This Air Canada deal was found by Cheapflights users on 8/7. 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 9/287:55 am -
1 stop15h 05m
Tue 10/66:20 am -
2 stops36h 41m
Deal found 8/7![Air Canada logo]()
$874
This Air Canada deal was found by Cheapflights users on 8/7. 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 9/286:00 am -
2 stops17h 00m
Tue 10/66:20 am -
2 stops36h 41m
Deal found 8/7![Multiple Airlines logo]()
$878
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Mon 9/287:10 am -
2 stops15h 50m
Tue 10/612:15 pm -
3 stops40h 34m
Deal found 8/9![United Airlines logo]()
$903
One-way flights from Sky Harbor Intl to PortoSearch for one-way flight options from Sky Harbor Intl to Porto. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
Search for one-way flight options from Sky Harbor Intl to Porto. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 11/912:47 pm -
1 stop13h 43m
Deal found 8/7![United Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:15 pm -
2 stops48h 40m
Deal found 8/5![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:15 am -
3 stops45h 50m
Deal found 8/6![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:55 pm -
2 stops44h 40m
Deal found 8/8![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 am -
2 stops29h 20m
Deal found 8/5![Multiple Airlines logo]()
$401
This Air Canada deal was found by Cheapflights users on 8/7. 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 10/512:40 pm -
2 stops34h 20m
Deal found 8/7![Air Canada logo]()
$462
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/1911:54 pm -
1 stop23h 01m
Deal found 8/5![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 10/58:30 am -
3 stops38h 30m
Deal found 8/7![United Airlines logo]()
$467
Find flight deals from Sky Harbor Intl to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 August 9, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $701 (Expedia) |
One-way from | $334 (United Airlines) |
Popular in | May |
Cheapest in | January |
Average price | $901 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl 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 August 9, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixPorto
PHX Phoenix Sky Harbor Intl - OPO Porto
PHXOPO
Phoenix Sky Harbor Intl
Wed 12/9
7:00 am-9:30 am
2 stops19h 30m
Porto
Fri 12/11
12:35 pm-11:37 pm
1 stop18h 02m
$726
Quickest round-trip
PhoenixPorto
PHX Phoenix Sky Harbor Intl - OPO Porto
PHXOPO
Phoenix Sky Harbor Intl
Sun 11/1
12:46 pm-9:05 am
1 stop13h 19m
Porto
Wed 11/11
5:55 am-1:55 pm
1 stop15h 00m
$776
PhoenixPorto
PHX Phoenix Sky Harbor Intl - OPO Porto
PHXOPO
Phoenix Sky Harbor Intl
Tue 10/27
7:20 am-12:05 pm
2 stops21h 45m
Porto
Sun 11/1
6:15 am-12:23 pm
2 stops37h 08m
$826
PhoenixPorto
PHX Phoenix Sky Harbor Intl - OPO Porto
PHXOPO
Phoenix Sky Harbor Intl
Tue 10/27
6:05 am-10:35 am
2 stops21h 30m
Porto
Sun 11/1
5:55 am-1:55 pm
1 stop15h 00m
$830
PhoenixPorto
PHX Phoenix Sky Harbor Intl - OPO Porto
PHXOPO
Phoenix Sky Harbor Intl
Sun 10/4
3:25 pm-10:00 pm
1 stop22h 35m
Porto
Fri 10/16
5:00 am-7:56 pm
2 stops22h 56m
$876
PhoenixPorto
PHX Phoenix Sky Harbor Intl - OPO Porto
PHXOPO
Phoenix Sky Harbor Intl
Sun 9/6
3:25 pm-3:30 pm
1 stop16h 05m
Porto
Tue 9/22
6:15 am-1:10 pm
1 stop14h 55m
$924
PhoenixPorto
PHX Phoenix Sky Harbor Intl - OPO Porto
PHXOPO
Phoenix Sky Harbor Intl
Thu 9/24
6:10 am-8:30 am
2 stops18h 20m
Porto
Thu 10/29
5:00 am-7:56 pm
2 stops21h 56m
$941
PhoenixPorto
PHX Phoenix Sky Harbor Intl - OPO Porto
PHXOPO
Phoenix Sky Harbor Intl
Mon 10/5
6:43 pm-7:00 am
3 stops28h 17m
Porto
Sun 10/18
6:00 am-8:49 pm
2 stops22h 49m
$989
PhoenixPorto
PHX Phoenix Sky Harbor Intl - OPO Porto
PHXOPO
Phoenix Sky Harbor Intl
Thu 9/24
11:52 pm-7:10 am
2 stops23h 18m
Porto
Tue 11/10
12:35 pm-10:10 pm
1 stop16h 35m
$1,054
Cheapest one-way
PhoenixPorto
PHX Phoenix Sky Harbor Intl - OPO Porto
PHXOPO
Phoenix Sky Harbor Intl
Mon 11/9
7:00 am-3:20 pm
3 stops25h 20m
$354
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Sky Harbor Intl to Porto
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Porto in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Porto flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Phoenix Sky Harbor Intl Airport-Porto flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Porto flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Sky Harbor Intl to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Sky Harbor Intl with our price prediction graph.
PHX-OPO
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 Phoenix Sky Harbor Intl Airport to Porto
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Porto?
The best time to book flights from Phoenix Sky Harbor Intl Airport to Porto is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Porto?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Porto (average of $619). Flying from Phoenix Sky Harbor Intl Airport to Porto in May is currently the most expensive (average of $1,244). 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.
How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to Porto?
Airfare is typical for this route at the moment.
Phoenix Sky Harbor Intl Airport to Porto flights typically cost between $646 and $978 in November.The cheapest round-trip price found within the last 5 days was $701 on Multiple Airlines (Nov 18-Dec 9).
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 August 9, 2026.
See what other customers who have flown with Delta,Air France, andUnited Airlines from Phoenix Sky Harbor Intl Airport to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
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Sky Harbor Intl and Porto flights
Browse other Sky Harbor Intl and Porto flight options. Last updated on August 9, 2026.
Other flights from Sky Harbor Intl
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on August 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 9, 2026.
Top 4 airlines flying from Sky Harbor Intl to Porto
Discover the top 4 airlines that operate flights from Sky Harbor Intl 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 August 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$460 | Average$861 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$556 | Average$929 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$597 | Average$920 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$646 | Average$1,134 | FlexibilityNo cancel fee | On-timeN/A |