Best Time to Fly JFK to LIS

The cheapest days to fly New York (JFK) to Lisbon (LIS) are usually Tuesday. Sunday is often the priciest day in the current pattern.Updated June 29, 2026.

Best to Fly

Tuesday

Departure Day

MON

TUE

WED

THU

FRI

SAT

SUN

Tuesday tend to offer the lowest base fares. Avoid Sunday.

Best to Book

21-30

Days Advance

Current booking window for this route. Prices often jump significantly inside 21 days.

Best to Go

APR

Lowest Fares

Historical low-season for LIS.

Analyst Brief

The timing gate for New York (JFK) to Lisbon (LIS) shows strong weekday stratification. Leaving on Tuesday avoids the Sunday business-travel premium. Ensure you pair this departure timing with the 21-30 day booking window.