Fly nonstop from Newark to Lisbon for $538 round-trip on American.
Seen below, we found seats departing EWR on Wednesday, June 6, returning from LIS on Friday, June 15.
Other dates are also available for departures in early to mid June, returning through late June.
See our Newark EWR fare listings for a complete look at current finds.
Need a room in Lisbon? Here's what's available for the above dates on Hotelwatchdog.