United's Polaris Business Class offers lie-flat seats, noise-reducing headphones, and Saks Fifth Avenue bedding.
United's Premium Plus offers extra legroom, upgraded meals, and two checked bags on international flights.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $392 (Mytrip) |
One-way from | $267 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $557 |
Good round-trip deal | $633 or less |
Good one-way deal | $671 or less |
Fly from
Fly to
Route
Depart
Return
Price
PortoNewark
OPO - EWR
OPOEWR
Porto
Mon 3/9
5:35 pm-4:40 pm
1 stop27h 05m
Newark
Mon 3/16
7:30 pm-9:35 am
2 stops34h 05m
PortoNewark
OPO - EWR
OPOEWR
Porto
Mon 2/2
5:00 am-7:44 pm
2 stops19h 44m
Newark
Mon 3/2
5:05 pm-10:30 am
1 stop12h 25m
PortoNewark
OPO - EWR
OPOEWR
Porto
Thu 1/15
6:35 am-7:44 pm
2 stops18h 09m
Newark
Wed 1/21
3:40 pm-10:30 am
2 stops13h 50m
PortoNewark
OPO - EWR
OPOEWR
Porto
Thu 1/15
6:35 am-11:13 pm
2 stops21h 38m
Newark
Fri 1/23
3:40 pm-10:30 am
2 stops13h 50m
PortoNewark
OPO - EWR
OPOEWR
Porto
Thu 1/15
6:35 am-11:13 pm
2 stops21h 38m
Newark
Thu 1/22
5:05 pm-10:25 am
1 stop12h 20m
PortoNewark
OPO - EWR
OPOEWR
Porto
Thu 3/12
5:00 am-7:11 pm
2 stops18h 11m
Newark
Wed 3/18
6:05 pm-10:30 am
1 stop12h 25m
PortoNewark
OPO - EWR
OPOEWR
Porto
Thu 2/19
11:20 am-11:06 pm
2 stops16h 46m
Newark
Sun 2/22
5:05 pm-10:30 am
1 stop12h 25m
PortoNew York
OPO - JFK
OPOJFK
Porto
Sun 3/22
8:40 pm-1:15 pm
1 stop20h 35m
New York John F Kennedy Intl
Tue 3/31
4:40 pm-7:40 am
1 stop10h 00m
PortoNew York
OPO - JFK
OPOJFK
Porto
Fri 1/16
8:20 am-3:25 pm
1 stop12h 05m
New York John F Kennedy Intl
Fri 1/23
8:50 pm-11:45 am
1 stop9h 55m
PortoNew York
OPO - JFK
OPOJFK
Porto
Thu 1/15
8:40 pm-1:20 pm
1 stop21h 40m
New York John F Kennedy Intl
Fri 1/23
7:50 pm-8:00 pm
1 stop19h 10m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Porto to New York. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, October is the cheapest month in which you can book a flight from Porto to New York (average of $382). Flying from Porto to New York in December is currently the most expensive (average of $512). 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.
When flying from Porto to New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 100% of weekly flights between Porto and New York have experienced delays in the past year, with the average delay time being 343 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Iberia have had the lowest number of delays on this route, with just 100% of flights being delayed.
Crew
Overall
Food
Comfort
Boarding
Entertainment
Reviews
Sally,Oct 2025
ATH - JFK
Crew
Overall
Food
Comfort
Boarding
Entertainment
Reviews
Sally,Oct 2025
ATH - JFK
Crew
Overall
Food
Comfort
Boarding
Entertainment
Reviews
Sally,Oct 2025
ATH - JFK
Crew
Overall
Food
Comfort
Boarding
Entertainment
Reviews
Sally,Oct 2025
ATH - JFK
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$481 | Average$673 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$494 | Average$641 | FlexibilityNo cancel fee | On-time69% |