Our cheapest offers for flights from United States to Portugal

Here you can compare cheap flights from United States to Portugal for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Portugal. Prices and availability may change at any time.

Boston (BOS) Ponta Delgada (PDL)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
1–3 Non-stop flights per day
at least 3h 55min
from $546
Orlando (MCO) Lisbon (LIS)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
only flights with stopover
at least 18h 40min
from $240
Atlanta (ATL) Lisbon (LIS)
1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
only flights with stopover
at least 15h 5min
from $462