🇺🇸 → 🇵🇹
JFK → LIS · Error fare alerts & flight price tracking
Multiple Airlines
2026-11-24$775
Multiple Airlines
2026-08-18$926
- -
2026-11-17$1010
Air China
2026-08-11$1110
$1,937
2026-07-08$1402
Cathay Pacific, China Southern
2026-06-10$4817
Cathay Pacific, China Southern
2026-12-23$5082
Prices from ITA Matrix. Updated every 6 hours.
Free alert when JFK→LIS drops 50%+ below normal
Finding cheap flights from New York (JFK) to Lisbon (LIS) doesn't have to mean refreshing Google Flights every day. Our fare scanner monitors JFK→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 JFK→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 JFK to LIS is $775 on . 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.