
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $721 (United Airlines) |
One-way from | $315 (Kiwi.com) |
Popular in | May |
Cheapest in | November |
Average price | $1,219 |
Fly from
Fly to
Route
Depart
Return
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Sat 12/5
11:59 pm-9:05 am
1 stop26h 06m
Porto
Wed 12/9
5:00 am-12:14 am
2 stops26h 14m
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Tue 10/27
10:00 am-10:35 am
2 stops17h 35m
Porto
Sun 11/1
5:00 am-4:57 pm
2 stops18h 57m
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Fri 11/13
10:55 am-9:30 am
2 stops15h 35m
Porto
Sun 11/22
6:00 am-11:58 pm
2 stops24h 58m
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Wed 9/23
6:15 am-7:00 am
2 stops16h 45m
Porto
Tue 10/6
6:00 am-7:54 pm
2 stops21h 54m
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Tue 9/1
6:00 am-10:30 am
1 stop20h 30m
Porto
Fri 9/11
5:55 am-1:10 pm
1 stop15h 15m
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Tue 10/27
11:15 pm-8:05 am
1 stop25h 50m
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Sun 8/9
12:12 am-2:25 pm
3 stops54h 13m
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Thu 10/15
4:49 pm-7:10 am
2 stops30h 21m
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Mon 10/5
12:40 pm-7:00 am
2 stops34h 20m
PhoenixPorto
PHX - OPO
PHXOPO
Phoenix Sky Harbor Intl
Mon 10/5
6:43 pm-7:00 am
3 stops28h 17m
| 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 |
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.
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 $1,244). 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.
Crew
Food
Overall
Boarding
Entertainment
Comfort
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Food
Overall
Boarding
Entertainment
Comfort
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Food
Overall
Boarding
Entertainment
Comfort
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Food
Overall
Boarding
Entertainment
Comfort
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Food
Overall
Boarding
Entertainment
Comfort
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$460 | Average$861 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$556 | Average$951 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$589 | Average$867 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$646 | Average$1,134 | FlexibilityNo cancel fee | On-timeN/A |