$389+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — OPO
Jun 12 — Jun 191
Round-trip
1 adult, Economy
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Last-minute
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 May 13, 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 May 13, 2026.
This Travelocity deal was found by Cheapflights users on 5/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:55 am
PHX
- OPO
1 stop15h 05m
Multiple Airlines
Tue 11/37:20 pm
OPO
- PHX
2 stops34h 10m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$713
This United Airlines deal was found by Cheapflights users on 5/13. 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
PHX
- OPO
2 stops33h 30m
United Airlines
Wed 12/96:00 am
OPO
- PHX
2 stops19h 55m
United Airlines
Deal found 5/13![United Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 5/13. 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.
Sat 12/511:59 pm
PHX
- OPO
1 stop26h 06m
Delta
Wed 12/95:00 am
OPO
- PHX
2 stops21h 26m
Delta
Deal found 5/13![Delta logo]()
$725
This KLM deal was found by Cheapflights users on 5/13. 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.
Tue 11/1711:59 pm
PHX
- OPO
1 stop26h 06m
KLM
Tue 11/245:00 am
OPO
- PHX
2 stops18h 27m
KLM
Deal found 5/13![KLM logo]()
$726
This United Airlines deal was found by Cheapflights users on 5/13. 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 10/2011:52 am
PHX
- OPO
1 stop13h 53m
United Airlines
Tue 11/312:35 pm
OPO
- PHX
1 stop16h 32m
United Airlines
Deal found 5/13![United Airlines logo]()
$727
This KLM deal was found by Cheapflights users on 5/13. 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 12/511:59 pm
PHX
- OPO
1 stop26h 06m
KLM
Wed 12/95:40 am
OPO
- PHX
1 stop14h 55m
KLM
Deal found 5/13![KLM logo]()
$729
This United Airlines deal was found by Cheapflights users on 5/11. 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 12/17:00 am
PHX
- OPO
2 stops19h 30m
United Airlines
Thu 12/312:35 pm
OPO
- PHX
2 stops28h 16m
United Airlines
Deal found 5/11![United Airlines logo]()
$732
This United Airlines deal was found by Cheapflights users on 5/13. 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 10/276:00 am
PHX
- OPO
2 stops20h 30m
United Airlines
Sun 11/16:00 am
OPO
- PHX
2 stops21h 55m
United Airlines
Deal found 5/13![United Airlines logo]()
$768
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 May 13, 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 May 13, 2026.
This United Airlines deal was found by Cheapflights users on 5/13. 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 10/2011:52 am
PHX
- OPO
1 stop13h 53m
United Airlines
Tue 11/312:35 pm
OPO
- PHX
1 stop16h 32m
United Airlines
Deal found 5/13![United Airlines logo]()
$727
This KLM deal was found by Cheapflights users on 5/12. 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 10/46:00 am
PHX
- OPO
1 stop20h 25m
KLM
Fri 10/165:00 am
OPO
- PHX
2 stops18h 57m
KLM
Deal found 5/12![KLM logo]()
$832
This Delta deal was found by Cheapflights users on 5/10. 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 10/46:00 am
PHX
- OPO
2 stops20h 25m
Delta
Fri 10/165:00 am
OPO
- PHX
2 stops18h 57m
Delta
Deal found 5/10![Delta logo]()
$836
This KLM deal was found by Cheapflights users on 5/13. 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.
Mon 8/249:51 am
PHX
- OPO
2 stops16h 39m
Multiple Airlines
Mon 9/74:25 pm
OPO
- PHX
1 stop28h 45m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$920
This United Airlines deal was found by Cheapflights users on 5/11. 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 9/96:00 am
PHX
- OPO
2 stops17h 00m
United Airlines
Wed 9/2312:45 pm
OPO
- PHX
2 stops41h 24m
United Airlines
Deal found 5/11![United Airlines logo]()
$895
This Delta deal was found by Cheapflights users on 5/11. 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 9/612:00 pm
PHX
- OPO
1 stop14h 25m
Delta
Tue 9/225:00 am
OPO
- PHX
2 stops22h 40m
Delta
Deal found 5/11![Delta logo]()
$905
This KLM deal was found by Cheapflights users on 5/13. 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.
Mon 8/246:00 am
PHX
- OPO
1 stop20h 30m
KLM
Mon 9/74:25 pm
OPO
- PHX
1 stop28h 45m
KLM
Deal found 5/13![KLM logo]()
$915
This KLM deal was found by Cheapflights users on 5/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
PHX
- OPO
1 stop20h 30m
KLM
Mon 9/144:25 pm
OPO
- PHX
1 stop28h 45m
KLM
Deal found 5/9![KLM logo]()
$915
This United Airlines deal was found by Cheapflights users on 5/13. 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 9/512:15 pm
PHX
- OPO
3 stops34h 40m
United Airlines
Sun 9/2012:15 pm
OPO
- PHX
2 stops37h 50m
United Airlines
Deal found 5/13![United Airlines logo]()
$916
Last-minute flights from Sky Harbor Intl to PortoDiscover last-minute flight deals from Sky Harbor Intl to Porto. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Porto. Data last updated May 13, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 5/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:05 pm
PHX
- OPO
1 stop15h 40m
Air Transat
Mon 6/151:30 pm
OPO
- PHX
1 stop29h 34m
Air Transat
Deal found 5/9![Air Transat logo]()
$1,114
This Expedia deal was found by Cheapflights users on 5/10. 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 6/812:05 pm
PHX
- OPO
1 stop15h 40m
Air Transat
Mon 6/151:30 pm
OPO
- PHX
1 stop29h 34m
Air Transat
Deal found 5/10![Air Transat logo]()
$1,022
This Mytrip deal was found by Cheapflights users on 5/10. 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.
Mon 6/812:10 pm
PHX
- OPO
3 stops26h 25m
Multiple Airlines
Mon 6/156:00 pm
OPO
- PHX
3 stops35h 35m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,107
This United Airlines deal was found by Cheapflights users on 5/10. 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 6/96:00 am
PHX
- OPO
1 stop16h 15m
United Airlines
Tue 6/1612:15 pm
OPO
- PHX
2 stops40h 15m
United Airlines
Deal found 5/10![United Airlines logo]()
$1,143
This Justfly.com deal was found by Cheapflights users on 5/10. 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.
Tue 6/165:49 pm
PHX
- OPO
2 stops29h 11m
Air Canada
Tue 6/3012:15 pm
OPO
- PHX
2 stops32h 11m
Air Canada
Deal found 5/10![Air Canada logo]()
$1,146
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Thu 6/188:00 am
PHX
- OPO
2 stops19h 45m
Multiple Airlines
Mon 6/291:30 pm
OPO
- PHX
1 stop29h 34m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,091
This Mytrip deal was found by Cheapflights users on 5/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:55 am
PHX
- OPO
1 stop14h 55m
Air Canada
Tue 6/3012:15 pm
OPO
- PHX
2 stops32h 11m
Air Canada
Deal found 5/9![Air Canada logo]()
$1,142
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 May 13, 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 May 13, 2026.
This Air Canada deal was found by Cheapflights users on 5/13. 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
PHX
- OPO
2 stops34h 20m
Air Canada
Deal found 5/13![Air Canada logo]()
$389
This United Airlines deal was found by Cheapflights users on 5/13. 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 10/56:55 pm
PHX
- OPO
3 stops28h 05m
United Airlines
Deal found 5/13![United Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:40 pm
PHX
- OPO
3 stops45h 00m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Mon 7/611:32 am
PHX
- OPO
2 stops40h 03m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 7/88:00 am
PHX
- OPO
3 stops29h 20m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 9/110:57 am
PHX
- OPO
3 stops25h 58m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 9/159:06 am
PHX
- OPO
3 stops27h 49m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$452
This KLM deal was found by Cheapflights users on 5/10. 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.
Wed 9/1611:15 pm
PHX
- OPO
1 stop27h 15m
KLM
Deal found 5/10![KLM logo]()
$464
This Air Canada deal was found by Cheapflights users on 5/10. 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.
Wed 9/167:38 pm
PHX
- OPO
2 stops51h 32m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$465
This Lufthansa deal was found by Cheapflights users on 5/9. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:55 am
PHX
- OPO
1 stop15h 05m
Lufthansa
Deal found 5/9![Lufthansa logo]()
$484
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 May 13, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $713 (Travelocity) |
One-way from | $389 (Air Canada) |
Popular in | May |
Cheapest in | November |
Average price | $1,225 |
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 May 13, 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
Quickest round-trip
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Tue 10/20
11:52 am-9:45 am
1 stop13h 53m
Porto
Tue 11/3
12:35 pm-10:07 pm
1 stop16h 32m
$727
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Sun 10/4
6:00 am-10:25 am
1 stop20h 25m
Porto
Fri 10/16
5:00 am-3:57 pm
2 stops18h 57m
$832
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Sun 10/4
6:00 am-10:25 am
2 stops20h 25m
Porto
Fri 10/16
5:00 am-3:57 pm
2 stops18h 57m
$836
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Wed 9/9
6:00 am-7:00 am
2 stops17h 00m
Porto
Wed 9/23
12:45 pm-10:09 pm
2 stops41h 24m
$895
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Sun 9/6
12:00 pm-10:25 am
1 stop14h 25m
Porto
Tue 9/22
5:00 am-7:40 pm
2 stops22h 40m
$905
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Mon 8/24
6:00 am-10:30 am
1 stop20h 30m
Porto
Mon 9/7
4:25 pm-1:10 pm
1 stop28h 45m
$915
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Tue 9/1
6:00 am-10:30 am
1 stop20h 30m
Porto
Mon 9/14
4:25 pm-1:10 pm
1 stop28h 45m
$915
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Sat 9/5
12:15 pm-6:55 am
3 stops34h 40m
Porto
Sun 9/20
12:15 pm-6:05 pm
2 stops37h 50m
$916
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Mon 8/24
9:51 am-10:30 am
2 stops16h 39m
Porto
Mon 9/7
4:25 pm-1:10 pm
1 stop28h 45m
$920
Cheapest one-way
Quickest one-way
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Mon 10/5
7:55 am-7:00 am
1 stop15h 05m
$389
Showing 1-10 of 16 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 May.
| 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, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Porto (average of $590). Flying from Phoenix Sky Harbor Intl Airport to Porto in May is currently the most expensive (average of $1,225). 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?
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 May 13, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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.
Comfort
7.8
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
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
Aveiro
Arcos de Valdevez
Coimbra
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Sky Harbor Intl and Porto flights
Browse other Sky Harbor Intl and Porto flight options. Last updated on May 13, 2026.
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Top 3 airlines flying from Sky Harbor Intl to Porto
Discover the top 3 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 May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$460 | Average$818 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$590 | Average$875 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$646 | Average$1,160 | FlexibilityNo cancel fee | On-timeN/A |