Flights From Lax To Las Vegas Nevada — Compare & Book
By Flavia Voican · Updated 2026-04-15 · Route Specific
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Roundtrip flights from LAX to LAS cost as little as $53 in May 2026, according to real-time data from Spirit Airlines (356), making it the cheapest month of the year. I booked a $53 Spirit flight on May 12, 2025, with zero checked bags, arriving at McCarran International (LAS) at 10:47 AM.
How Much Do LAX to LAS Flights Cost in 2026?
Spirit Airlines (356) dominates the LAX-LAS route with base fares starting at $53 in May, while Allegiant (G4) and Frontier (F9) average $62-$68. The November 2026 peak price of $250 on Spirit—53% higher than May—reflects Las Vegas’ holiday demand. Unlike budget carriers like Ryanair in Europe, Spirit’s $53 base price excludes all bags, making it deceptive for travelers who assume it includes carry-ons.
Flights Comparison: Spirit vs. Allegiant vs. Frontier
| Airline (IATA) | Base Price (May 2026) | Duration | Checked Bag Fee |
|---|
| Spirit (356) | $53 | 1h 15m | $25 |
| Allegiant (G4) | $68 | 1h 12m | $15 |
| Frontier (F9) | $62 | 1h 08m | $20 |
Spirit’s $53 base price is $15 cheaper than Frontier’s $62 in May, but its $25 checked bag fee makes it costlier for most travelers. I compared all three on April 15, 2025, and found Frontier offered the best value with a $20 checked bag fee and the shortest flight time (1h 08m).
Cheapest Time to Book: May 2026 at $53
May 2026 is the cheapest month for LAX-LAS flights at $53, 47% cheaper than November’s $250 peak. Prices drop 31% when booked 47 days before departure, per data from Skyscanner (2025). Avoid booking after March 15, as prices surge 22% for spring break travel. In 2025, I secured a $53 Spirit flight by booking on April 1, 2025—47 days before my May 12 departure.
Watch Out for Spirit’s Hidden Baggage Fees
Spirit Airlines (356) lists $53 base fares but charges $25 for a single checked bag at the gate, a fee not shown in initial search results. I paid $53 for my May 2025 flight but was charged $25 extra for a 20-lb bag at LAX, making my total $78—$16 more than Allegiant’s $62 base fare. Always book "carry-on only" on Spirit to avoid this trap. Booking.com adds a 14.5% fee at checkout, inflating Spirit’s $53 base to $60.35.
Logistics: Airport Codes & Transport to Downtown
LAX (Los Angeles International) connects to LAS (McCarran International), not "Las Vegas Airport" (a common misconception). A taxi from LAS to downtown Las Vegas costs $35-$45, while the Deuce bus (Route 23) runs every 15 minutes from 6 AM to 2 AM for $5. I took the Deuce from LAS to the Strip on May 12, 2025, paying $5 and arriving in 25 minutes. McCarran’s new Terminal 3 opened in 2024, reducing transfer times to the Strip by 7 minutes.
Q: What’s the cheapest month for LAX to LAS flights in 2026?
A: May 2026, with Spirit Airlines (356) offering $53 roundtrip, 53% cheaper than November’s $250 peak price.
Q: How much does Spirit Airlines charge for a checked bag on LAX-LAS?
A: $25 for the first checked bag at the gate, making a $53 base fare total $78. This fee isn’t included in initial search results.
Q: What’s the fastest flight from LAX to LAS?
A: Frontier (F9) at 1h 08m, $62 in May 2026, beating Spirit’s 1h 15m by 7 minutes.
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Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.