Today only, JetBlue Airways offers select 1-way fares starting at $39.80. (Click on "JetBlue Airways" under "Booking Tips"; all taxes are included.) That's $7 under last week's mention and the lowest rate we could find for select routes by $7. This price is valid on flights departing from Long Beach, CA, (LGB) to Las Vegas, NV, (LAS) on October 20; prices vary depending on the travel cities and dates chosen. A 14-day advance purchase may be required. Blackout dates may apply. Book today for travel October 16 through December 12.