7 Shocking Secrets To Snagging $99 Flights To Las Vegas (and Even Cheaper In 2025)

Finding a flight to the Entertainment Capital of the World for under $100 is not a myth; it is a current reality for travelers in December 2025. The era of ultra-low-cost carriers (ULCCs) and intense competition on popular routes like those to Las Vegas (LAS) has driven prices down to levels that were once unheard of, with some one-way fares starting as low as $33. This guide breaks down the precise strategies and airlines you need to target to secure a flight to Harry Reid International Airport (LAS) for $99 or less, ensuring your budget is saved for the famous Las Vegas Strip.

The key to unlocking these promotional fares lies in understanding the airline business model, being flexible with your travel dates, and knowing exactly where to look. Forget paying hundreds of dollars; with the right approach, your next trip to Nevada can start with a shockingly cheap flight, allowing you to splurge on shows, dining, or the casinos.

The ULCC Advantage: Airlines That Consistently Offer Sub-$100 Fares

The vast majority of the cheapest flights to Las Vegas are offered by a specific class of air carriers known as Ultra-Low-Cost Carriers (ULCCs). These airlines strip down the base fare to the absolute essentials, making their tickets incredibly cheap, but require travelers to pay extra for almost everything else, from seat selection to carry-on bags.

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• Frontier Airlines: Often leads the pack with the lowest published fares. Search results for 2025 show flights from major hubs like San Francisco (SFO), Seattle (SEA), and Dallas (DAL) starting as low as $33 to $39. These fares are typically for their "Basic Economy" class and require flexibility.
• Spirit Airlines: Another major player in the ULCC space, Spirit frequently matches or beats competitors' prices on routes to Las Vegas. Their "Bare Fare" is the entry point for the lowest prices.
• JetBlue Airways: While not strictly a ULCC, JetBlue has been aggressive in the Vegas market, advertising flights as low as $89 in their current 2025 promotions. This often includes their "Blue Basic" fare.
• United Airlines: Even legacy carriers are getting in on the budget game. United frequently offers one-way flights to Las Vegas starting from around $91, particularly when booking their restrictive "Basic Economy" tickets.

To truly achieve the $99 flight goal, you must be prepared to travel light, as checked and carry-on baggage fees can quickly negate the savings.

Advanced Booking Hacks: How to Beat the Algorithm

Airlines use sophisticated pricing algorithms that constantly adjust fares based on demand, time of year, and even the day of the week. By using a few insider tricks, you can bypass peak pricing and target the cheapest available seats.

1. Embrace the "Red Eye" and Mid-Week Travel

The most expensive flights are those scheduled during peak leisure hours: Friday evenings, Sunday afternoons, and any flight leaving between 8:00 AM and 5:00 PM. The secret to finding the cheapest fares is to choose the least desirable times.

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• Book Midweek Departures: Tuesday and Wednesday are consistently the cheapest days to fly.
• Utilize "Red Eye" Flights: Overnight flights, or those departing very early in the morning (before 7:00 AM), are often significantly cheaper. A bonus is that you arrive in Las Vegas early, giving you a full day of vacation.
• Target Off-Peak Seasons: Avoid major holidays, conventions (like CES), and the peak summer months. Traveling in late January, February, or September/October can yield massive savings.

2. The Golden Booking Window: Book Well in Advance

While last-minute deals occasionally happen, the most reliable way to lock in a sub-$100 fare is to book early. Airlines release their cheapest seats far in advance to secure a base load of passengers.

• The 3-to-6 Month Rule: For domestic U.S. flights, the sweet spot for booking is typically three to six months before your intended departure date. Booking within a few weeks of your trip dramatically increases the likelihood of paying over $200.
• Set Fare Alerts: Use tools like Google Flights, Kayak, and Cheapflights.com to set up alerts for your desired route to Harry Reid International Airport (LAS). These tools will email you the moment a $99 or promotional fare drops.

3. Master the Art of the "Basic Economy" Fare

To keep the base ticket price at $99 or less, airlines have created the "Basic Economy" or equivalent fare. Understanding its restrictions is crucial for a smooth trip.

What to Expect with Basic Economy:

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This fare is essentially a contract for a seat on the plane and nothing else. You will likely:

• Forfeit Seat Selection: Your seat will be assigned randomly at check-in. If you are traveling with a companion, you may not be seated together unless you pay an extra fee.
• Be Restricted to a Small Personal Item: Most ULCCs only allow a small backpack or purse that fits under the seat in front of you. A standard carry-on bag (the one that goes in the overhead bin) will cost you $40-$60 each way.
• Board Last: Basic Economy passengers are typically in the last boarding group.
• Incur Fees for Changes: These tickets are usually non-refundable and non-changeable without significant fees.

For a quick weekend trip to The Strip, traveling with just a small personal item is the ultimate budget travel hack that keeps the total cost of your flight under the $100 mark.

4. Check Multiple Airports and Legacy Carrier Promotions

While the focus is often on ULCCs, major legacy airlines like Delta Air Lines, Southwest Airlines, and American Airlines also run periodic "flash sales" or promotional fares to remain competitive.

• Southwest Rapid Rewards® Deals: Southwest is famous for its "Wanna Get Away" fares, which are often competitive with ULCCs and, critically, include two free checked bags. Always check Southwest directly, as their fares do not appear on third-party search engines.
• American Airlines AAdvantage® Promotions: American Airlines frequently offers competitive pricing to Las Vegas, especially for travelers in their AAdvantage® program.
• Consider Alternative Airports: Although Harry Reid International Airport (LAS) is the main hub, checking flights into smaller, regional airports near your departure city may sometimes unlock a cheaper connecting flight, though direct flights are usually preferred for speed and simplicity.

By combining the ULCC advantage with the strategic booking hacks of flying midweek, embracing the "red eye," and traveling light, securing a $99 flight to Las Vegas in 2025 is an achievable goal, not a lottery win. Start your search now, be flexible, and prepare to save a significant amount on your next Nevada adventure.