Use the discount code BOOKNOW to save 90% off base fares at Frontier Airlines with Discount Den! Non-members save 50% off base fares. Tickets must be purchased by 11:59 pm Eastern time on Dec. 28, 2023. Discount applies to nonstop and connect, domestic and international travel. For travel on Tuesday, Wednesday, and Saturday, through Mar. 27, 2024.

Discount Den Details:

With a Discount Den membership you will have exclusive access to Frontier’s LOWEST fares guaranteed. Savings last all year long and the more you fly, the more you save!

Annual membership costs $59.99 for one full year of savings. New members pay $99.99 their first year, $59.99 + $40 enrollment fee (this includes returning members who have previously cancelled their membership).

As a member, you'll earn FRONTIER Miles for every flight.

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On valid Kids Fly Free flights, one kid under 15 can fly for free for every adult DISCOUNT DEN fare purchased.

The fares are available for up to 9 people on your reservation, as long as you are on the same reservation with the other passengers.