A Frontier Airlines Flash Sale with Fares as Low as $19

If you’re flexible with travel dates and willing to book quickly, Frontier Airlines just dropped one of the cheapest airfare sales we’ve seen in a while — and it’s especially useful for budget-minded Vegas travelers.

The Denver-based low-cost carrier is offering one-way fares starting at $29, and if you’re a Discount Den member, you can knock that price down to just $19 one way. The catch, as always with deals like this, is timing.

What’s included in the Frontier flash sale

This limited-time sale covers routes across the U.S., the Caribbean, and Latin America, including flights to and from Las Vegas. To take advantage of the deal, you’ll need to move fast.

Key booking details:

• Book by: January 22

• Travel by: April 13, 2026

• Advance purchase: At least 14 days

• Travel days: Tuesday, Wednesday, or Saturday

• Promo code: None required

  
  

This sale was originally set to end earlier this month but has already been extended twice — a good sign, but not a guarantee it will stick around.

Member vs non-member pricing

• Non-members: Fares start at $29 one way

• Discount Den members: Fares start at $19 one way

  
  

If you fly Frontier more than once a year, the Discount Den membership can pay for itself quickly. Even a single roundtrip at the lower price point can make the math work.

Important blackout dates to know

There are blackout periods when the sale pricing does not apply, including:

• February 13 and 15–16, 2026

• March 6–8, 13–15, 20–22, and 27–29, 2026

• April 3–6, 2026

  
  

If your dates fall outside these windows and you can travel midweek or on Saturdays, your odds of finding a deal improve significantly.

Is this a good deal for Vegas travelers?

For travelers who pack light and don’t mind Frontier’s à la carte pricing model, this sale can be a huge win. Just remember that Frontier charges separately for seat selection, carry-ons, and checked bags, so factor those costs into your final price.

That said, if you’re planning a short Las Vegas trip, flying midweek, and traveling light, this sale can dramatically cut your transportation costs — leaving more room in your budget for hotels, shows, dining, and entertainment.

Bottom line

Ultra-low fares like this don’t last long, even when sales get extended. If your spring travel plans are flexible and Las Vegas is on your list, this Frontier Airlines flash sale is worth checking out sooner rather than later.

As always, pair cheap airfare with smart hotel booking and show discounts to get the most value out of your Vegas trip. For more airfare alerts, hotel price drops, and Vegas savings tips, keep an eye on LAS Discounts.