Cheap flights from Phoenix to Rock Springs (RKS) from $535

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

It’s optimal to fly from Phoenix to Rock Springs at noon. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the morning.

For a flight from Phoenix to Rock Springs, you will be flying into Sweetwater County. Rock Springs Sweetwater County (RKS) is just 7.1 mi from the center of the city. Sweetwater County is the only Rock Springs airport and it handles 0 inbound flights from Phoenix per day. 1 airline has flights to Rock Springs Sweetwater County from Phoenix on a regular basis.

United Airlines is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

There are currently 3+ open flights from Phoenix to Rock Springs within the next 7 days for less than $600.

The cheapest flight price from Phoenix to Rock Springs is $354. On average you can expect to pay $354. The most popular route, (Phoenix Sky Harbor Intl - Rock Springs Sweetwater County), can usually be booked for $785.

PHX stands for Phoenix Sky Harbor Intl Airport, while RKS stands for Rock Springs Sweetwater County Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Phoenix-Mesa Gateway Airport (AZA), Prescott Airport (PRC) are other airports near this flight route and their unique identifiers/IATA codes.