$197 Find Cheap Flights from Denver to Rock Springs - Compare and Save

Among airlines operating Denver to Rock Springs flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Denver and Rock Springs.

Flights from Denver to Rock Springs usually depart from Denver Intl (DEN) and arrive at Rock Springs Sweetwater County (RKS).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Denver to Rock Springs.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Yes. Being flexible with your travel dates can save you up to 52% on the Denver to Rock Springs route. Friday is the cheapest departure day at $290 round-trip on average, while Thursday is the most expensive at $594, a difference of $304. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Denver to Rock Springs flights, with 50% of flights leaving in that window. Night departures account for 50%, afternoon flights for 0%, and evening flights for 0%.

A nonstop flight from Denver to Rock Springs takes 1h 12m, covering 259 miles.

These are the earliest and latest flight times available from Denver to Rock Springs:

• Earliest: departs at 12:30 pm and lands at 1:42 pm
• Latest: departs at 9:10 pm and lands at 10:22 pm.

The flight takes about 1h 12m.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $261 to $440. That means the highest observed fare was about 68% higher than the lowest one.

One-way fares from Denver to Rock Springs are currently lower than usual. Average one-way flight prices are about $198, which is 34% below the typical average for this route.

Round-trip flights from Denver to Rock Springs range from $290 to $594, with an average of $340 over the past 12 months. Anything below $290 counts as a good deal.