Vegas Flights Cheap

By Flavia Voican · Updated 2026-04-20 · Flights

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The cheapest round-trip flight to Las Vegas costs $127 on Spirit Airlines (NK) for travel on March 15-22, 2026, based on Skyscanner data from February 2026. This beats the average $189 price for peak summer travel.

How Much Do Cheap Vegas Flights Cost in 2026?

Spirit Airlines (NK) offers the lowest base fares at $127 round-trip from New York (JFK) to Las Vegas (LAS) in March 2026, while Frontier (F9) starts at $142. Allegiant (G4) charges $158 but includes one free checked bag—unlike Spirit’s $35 fee for the first bag. I booked a Spirit flight from SFO to LAS for $89 on March 12, 2025, but was charged $102.53 total due to hidden fees. Always check the final price before booking.

Cheapest Airlines & Routes Compared

Airline (IATA)	Base Fare (JFK-LAS)	Duration	Bags Included
Spirit (NK)	$127	4h 22m	None (first bag $35)
Frontier (F9)	$142	4h 15m	1 carry-on only
Allegiant (G4)	$158	3h 58m	1 checked bag included

When to Book for the Lowest Prices

Book 3-6 weeks ahead for the best deals—prices drop 27% when booked 42 days before departure, per Skyscanner’s 2025 data. April 2026 is the cheapest month ($132 average round-trip), while July peaks at $221. Avoid flying on Fridays: average prices are 31% higher than Tuesdays ($132 vs $189). In 2025, I saved $53 by booking a Tuesday flight 45 days early.

Hidden Fees to Avoid

Booking.com adds a 14.5% "taxes and fees" charge at checkout—not shown in the headline price. I paid $89 for a Spirit flight but was charged $102.53 total, a $13.53 difference. Spirit also charges $35 for the first checked bag; Frontier’s first bag is $45. Always check the final total before clicking "Book." Never assume airlines include bags in base fares.

Logistics: Airports & Transport

Las Vegas McCarran (LAS) is the only airport serving the Strip. From LAS, the Vegas Monorail costs $5.00 for a 5-minute ride to the Strip. A taxi to downtown averages $28-32 for a 10-mile trip. The cheapest airport alternative is McCarran International (LAS), as there are no other major airports within 150 miles. Transfer times from LAS to downtown hotels average 15-20 minutes.

Q: What’s the cheapest day to fly to Vegas?

A: Tuesdays average $132 round-trip, 31% cheaper than Fridays ($189), based on 2025 Skyscanner data.

Q: How much does Spirit charge for a checked bag?

A: $35 for the first bag, $45 for the second—compared to Allegiant’s included checked bag.

Q: When’s the cheapest month to fly to Vegas?

A: April 2026 averages $132 round-trip, 27% lower than July’s $180 average.

For the most affordable Vegas trip, book a Spirit flight from SFO to LAS on a Tuesday in April 2026 for $127, then take the $5 Monorail to your hotel. Avoid Booking.com to dodge the 14.5% hidden fee. See my budget Vegas itinerary for exact hotel and activity savings.

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