🇺🇸 → 🇵🇹
EWR → LIS · Error fare alerts & flight price tracking
China Southern, Air Canada
2026-11-17$1194
China Southern, Air Canada
2026-11-24$1195
China Southern, Air Canada
2026-05-12$1413
China Southern, Air Canada
2026-06-16$2028
$6,022
2026-07-08$2518
Multiple Airlines
2026-06-10$6025
Austrian, Air China
2026-12-23$8115
Multiple Airlines
2026-08-18$8197
Prices from ITA Matrix. Updated every 6 hours.
Free alert when EWR→LIS drops 50%+ below normal
Finding cheap flights from Newark (EWR) to Lisbon (LIS) doesn't have to mean refreshing Google Flights every day. Our fare scanner monitors EWR→LIS prices around the clock using ITA Matrix data, comparing current fares against a 14-day pricing baseline. When an airline accidentally publishes a fare at 40–90% below normal — a mistake fare — you get an instant email.
Mistake fares on the EWR→LIS route happen when airlines make pricing errors during currency conversions, fare filing updates, or system maintenance. These error fares typically last 2–12 hours before being corrected, which is why real-time alerts are essential for booking them.
The cheapest recent fare we've tracked from EWR to LIS is $1194 on China Southern, Air Canada. Prices fluctuate constantly — set up a free alert to catch the next drop.
Midweek flights (Tuesday/Wednesday) tend to be cheapest. Booking 2-4 months in advance is the sweet spot for international fares. Our scanner checks fares across multiple date windows to catch anomalies.
Most of the time, yes. The U.S. DOT requires airlines to honor ticketed fares. Once you've booked and received confirmation, the airline is generally obligated to honor the fare.