RKS to LAS, Southwest Wyoming Regional Airport to Harry Reid International Airport Cheap Flights

Based on HopeGoo data, United Airlines offers one-way fares as low as US$266 on Cheapest nonstop routes (e.g. RKS to LAS on Fri, Feb 20), while United Airlines offers Cheapest nonstop round-trips from US$320 departing on Thu, Feb 26 and returning on Thu, Mar 5.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Rock Springs to Las Vegas is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Rock Springs to Las Vegas, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Feb 20, with one-way flights priced at just US$266. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Las Vegas travel is around October. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Rock Springs to Las Vegas is December, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Rock Springs to Las Vegas on February 26, 2026 with United Airlines, with prices starting at US$320.

The time difference between Las Vegas and Rock Springs is 1h.

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