The cheapest round trip option we've found recently is to Lisbon for $528.
All Cities
Lisbon
21 Nov (Thu) - 15 Dec (Sun)21 Nov (Thu) + nights
05:20
EWR
9h 40m
1 stop
15:00
LIS
11:40
LIS
24h 20m
1 stop
12:00
JFK
$626
Found 9 days ago
10 Sep (Wed) - 17 Sep (Wed)10 Sep (Wed) + nights
21:30
EWR
10h 50m
1 stop
08:20
LIS
10:25
LIS
12h 57m
1 stop
23:22
EWR
$528
Found 18 days ago
06 Dec (Fri) - 20 Dec (Fri)06 Dec (Fri) + nights
05:20
EWR
10h 0m
1 stop
15:20
LIS
17:15
LIS
19h 10m
1 stop
12:25
LGA
$546
Found 25 days ago
Direct flights to Portugal
There are 9 airlines that fly directly to Portugal: Brussels Airlines, Air France, Lufthansa, TAP Portugal, Emirates, JetBlue Airways, United Airlines, KLM, Virgin Atlantic. Most airlines that have direct connections are departing from John F. Kennedy International Airport, Newark Liberty International Airport. Most airlines arrive to Lisbon Airport. Most flights depart on Wednesday, Saturday.