Best Time to Fly JFK to DEN

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

Best to Fly

Friday

Departure Day

MON

TUE

WED

THU

FRI

SAT

SUN

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

Best to Book

14-20

Days Advance

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

Best to Go

MAY

Lowest Fares

Historical low-season for DEN.

Analyst Brief

The timing gate for New York (JFK) to Denver (DEN) shows strong weekday stratification. Leaving on Friday avoids the Sunday business-travel premium. Ensure you pair this departure timing with the 14-20 day booking window.