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Cheap flights from Denver to Rock Springs from $198

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Rock Springs departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Rock Springs

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
United Airlines Logo
2:22 pm - 3:40 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$261United Airlines
Wed, Oct 14 - Mon, Oct 19
United Airlines Logo
12:35 pm - 1:47 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
United Airlines Logo
2:22 pm - 3:40 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$261United Airlines
Thu, Aug 20 - Sun, Aug 23
United Airlines Logo
12:35 pm - 1:47 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
United Airlines Logo
2:22 pm - 3:40 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$261United Airlines
Thu, Sep 10 - Thu, Sep 17
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$281United Airlines
Wed, Sep 2 - Sun, Sep 6
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$281United Airlines
Thu, Sep 17 - Sun, Sep 20
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$311United Airlines
Thu, Sep 17 - Sun, Sep 20
United Airlines Logo
12:35 pm - 1:47 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
United Airlines Logo
2:22 pm - 3:40 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$328United Airlines
Thu, Sep 17 - Sun, Sep 20

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United Airlines flights from Denver to Rock Springs

Our best United Airlines deals on Denver to Rock Springs flight tickets
United Airlines
Aug 20
DEN12:35 pmDenver Intl
1h 12m
RKS1:47 pmRock Springs Sweetwater County
Aug 23
RKS2:22 pmRock Springs Sweetwater County
1h 18m
DEN3:40 pmDenver Intl
$261
United Airlines
Sep 17
DEN9:10 pmDenver Intl
1h 11m
RKS10:21 pmRock Springs Sweetwater County
Sep 20
RKS5:05 amRock Springs Sweetwater County
1h 18m
DEN6:23 amDenver Intl
$281
United Airlines
Sep 17
DEN12:35 pmDenver Intl
1h 12m
RKS1:47 pmRock Springs Sweetwater County
Sep 20
RKS2:22 pmRock Springs Sweetwater County
1h 18m
DEN3:40 pmDenver Intl
$328

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Rock Springs that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Denver to Rock Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Wed 10/14

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Mon 10/19

2:22 pm-3:40 pm

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 8/20

12:35 pm-1:47 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Sun 8/23

2:22 pm-3:40 pm

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/10

12:35 pm-1:47 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Thu 9/17

2:22 pm-3:40 pm

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Wed 9/2

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sun 9/6

5:05 am-6:23 am

Nonstop1h 18m

$281

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/17

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sun 9/20

5:05 am-6:23 am

Nonstop1h 18m

$281

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/17

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sun 9/20

5:05 am-6:23 am

Nonstop1h 18m

$311

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/17

12:35 pm-1:47 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Sun 9/20

2:22 pm-3:40 pm

Nonstop1h 18m

$328
Cheapest one-way

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 10/1

12:30 pm-1:42 pm

Nonstop1h 12m

$198

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Mon 8/17

12:35 pm-1:47 pm

Nonstop1h 12m

$298

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Wed 8/19

12:35 pm-1:47 pm

Nonstop1h 12m

$298

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Rock Springs from

How to get the cheapest flight ticket from Denver to Rock Springs

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to Rock Springs?

In the morning is the cheapest time of day to fly from Denver to Rock Springs when you can find flight prices for as low as $340. Flying to Rock Springs in the morning is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Rock Springs, so prices are often more expensive at around $678 per ticket.

What is the cheapest Denver Intl to Rock Springs Sweetwater County flight route?

Fly from Denver Intl to Rock Springs Sweetwater County for the best Denver Intl - Rock Springs Sweetwater County flight prices

What cabin class options are available on Denver to Rock Springs flights?

There is only 1 cabin class available to choose from on Denver to Rock Springs flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from Denver to Rock Springs

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Rock Springs according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Rock Springs (DEN to RKS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Rock Springs

Fastest flight time

1h 10m

Direct flights

Mon, Wed, Fri and Sun

Airports in Rock Springs

1 airport
The fastest flight from Denver to Rock Springs takes 1h 10m
Direct flights go from Denver to Rock Springs on Monday, Wednesday, Friday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Rock Springs. From Denver there are direct flights to Rock Springs Sweetwater County (RKS).
Search flight deals

Frequently asked questions about flying from Denver to Rock Springs

  • How far is Denver Intl to Rock Springs Sweetwater County by plane?

    The distance between Denver Intl and Rock Springs Sweetwater County is about 255.1 mi. Typically, this will take 1h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from Denver Intl Airport to Rock Springs Sweetwater County Airport?

    Prices for flights from Denver Intl Airport to Rock Springs Sweetwater County Airport were last updated today.

  • How many operators does momondo search for flights from Denver Intl Airport to Rock Springs Sweetwater County Airport?

  • How old do you have to be to fly from Denver Intl Airport to Rock Springs Sweetwater County Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to Rock Springs Sweetwater County Airport.

  • What documentation or ID do you need to fly to 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.

  • What is the most popular plane model from Denver to Rock Springs?

  • What is the most popular airline from Denver to Rock Springs?

Best airlines flying from Denver to Rock Springs

Compare and see reviews for airlines that fly from Denver to Rock Springs with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $240Free CancellationRating
7.4
10,099 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Rock Springs

    United Airlines operates around 8 flights from Denver to Rock Springs every week. The average price of these flights found in the last 72 hours has been $340, but momondo users have found United Airlines deals from Denver to Rock Springs from as low as $240 round-trip. United Airlines has been scored 7.4/10 in 10,099 reviews.

Traveling to a place near Rock Springs?

Book flights to Rock Springs if you plan to visit one of these locations
Green River

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Rock Springs?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Rock Springs for you.

Can I find flights from Denver to Rock Springs with flexible booking policies on momondo?

Flights from Denver to Rock Springs with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Denver to Rock Springs?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to Rock Springs.

I’m not ready to book a flight from Denver to Rock Springs right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Denver to Rock Springs flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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