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Our data suggests that currently, the cheapest flights from Rock Springs are being offered by United Airlines. For example, United Airlines flights from Rock Springs to Billings start at $208.
Currently, the cheapest flight from Rock Springs found by our users is for $284 to Denver. Prices will vary according to several factors such as the departure date and time, but on average you can expect to pay around $385 to travel from Rock Springs to Denver.
Denver is currently the destination served most frequently from Rock Springs, with 3 flights per day on average.
Airlines including United Airlines frequently fly from Rock Springs. You can view other airlines by performing a quick search in the form above.
Prices for flights from Rock Springs Sweetwater County Airport are refreshed on a daily basis.
As of July 2025, there is 1 operator available to choose from for flights from Rock Springs Sweetwater County Airport.
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rock Springs Sweetwater County Airport.
The travel and health documents required for your trip to Rock Springs Sweetwater County Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rock Springs Sweetwater County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.