TAP's A330NEO offers 2-4-2 seating for more space and comfort on long-haul flights.
TAP's business class provides lie-flat seats and a nice wine list on long-haul flights.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $379 (FlightHub) |
One-way from | $186 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,489 |
Good round-trip deal | $552 or less |
Good one-way deal | $241 or less |
Fly from
Fly to
Route
Depart
Return
Price
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Sun 1/25
10:45 pm-7:00 pm
1 stop15h 15m
Porto
Wed 2/4
8:00 pm-2:35 pm
1 stop23h 35m
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Sun 1/25
10:45 pm-1:00 pm
1 stop9h 15m
Porto
Fri 2/6
9:00 am-8:10 pm
1 stop16h 10m
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Thu 2/5
6:05 pm-9:55 am
1 stop10h 50m
Porto
Wed 2/11
6:00 pm-2:35 pm
1 stop25h 35m
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 1/27
9:50 pm-11:15 am
1 stop32h 25m
Porto
Wed 2/4
12:10 pm-8:20 pm
1 stop13h 10m
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 1/27
9:50 pm-11:15 am
1 stop32h 25m
Porto
Fri 2/6
12:50 pm-8:00 pm
1 stop12h 10m
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 1/27
9:50 pm-11:15 am
1 stop32h 25m
Porto
Thu 2/5
12:05 pm-8:00 pm
1 stop12h 55m
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Mon 1/26
10:10 pm-11:15 am
1 stop32h 05m
Porto
Wed 2/4
12:10 pm-8:20 pm
1 stop13h 10m
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 3/10
10:50 pm-11:15 am
1 stop32h 25m
Porto
Thu 3/19
11:25 am-9:20 pm
1 stop13h 55m
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 1/27
2:20 pm-12:50 pm
2 stops17h 30m
Porto
Wed 2/4
12:10 pm-8:20 pm
1 stop13h 10m
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 1/27
2:20 pm-12:50 pm
2 stops17h 30m
Porto
Fri 2/6
12:50 pm-8:00 pm
1 stop12h 10m
Currently, October is the cheapest month in which you can book a flight from USA to Porto (average of $369). Flying from USA to Porto in June is currently the most expensive (average of $555). 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.
It’s optimal to fly from USA to Porto in the morning. By choosing this option you can save up to 6% on the cost of your flight, compared to a flight in the afternoon.
Travelers seeking maximum savings on their USA to Porto flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 26% of weekly flights between United States and Porto have experienced delays in the past year, with the average delay time being 163 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 21% of flights being delayed.
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$269 | Average$636 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$338 | Average$773 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$373 | Average$829 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$374 | Average$796 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$388 | Average$688 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$394 | Average$775 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$401 | Average$702 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$406 | Average$966 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$426 | Average$988 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$434 | Average$845 | FlexibilityNo cancel fee | On-time67% |