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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 12/15. 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
0 bags

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Cheap round-trip flights

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United Airlines Logo
8:49 pm - 9:59 pmDEN-RKS
1h 10mnonstop
United Airlines Logo
5:15 am - 6:46 amRKS-DEN
1h 31mnonstop
$241United Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
United Airlines Logo
12:10 pm - 1:21 pmDEN-RKS
1h 11mnonstop
United Airlines Logo
1:56 pm - 3:20 pmRKS-DEN
1h 24mnonstop
$261United Airlines
Find Deal
Wed, Oct 29 - Thu, Nov 6
United Airlines Logo
12:10 pm - 1:21 pmDEN-RKS
1h 11mnonstop
United Airlines Logo
5:15 am - 6:46 amRKS-DEN
1h 31mnonstop
$291United Airlines
Find Deal
Sat, Nov 22 - Sat, Nov 29
United Airlines Logo
8:49 pm - 9:59 pmDEN-RKS
1h 10mnonstop
United Airlines Logo
1:56 pm - 3:20 pmRKS-DEN
1h 24mnonstop
$318United Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 20
United Airlines Logo
8:49 pm - 9:59 pmDEN-RKS
1h 10mnonstop
United Airlines Logo
5:15 am - 6:46 amRKS-DEN
1h 31mnonstop
$395United Airlines
Find Deal
Sun, Nov 2 - Wed, Nov 5
United Airlines Logo
8:49 pm - 9:59 pmDEN-RKS
1h 10mnonstop
United Airlines Logo
2:18 pm - 3:44 pmRKS-DEN
1h 26mnonstop
$495United Airlines
Find Deal
Sun, Dec 14 - Sat, Dec 20

United Airlines flights from Denver to Rock Springs

Our best United Airlines deals on Denver to Rock Springs flight tickets
United Airlines
Oct 30
DEN8:49 pmDenver Intl
1h 10m
RKS9:59 pmRock Springs Sweetwater County
Nov 3
RKS5:15 amRock Springs Sweetwater County
1h 31m
DEN6:46 amDenver Intl
$241
Find similar
United Airlines
Oct 29
DEN12:10 pmDenver Intl
1h 11m
RKS1:21 pmRock Springs Sweetwater County
Nov 6
RKS1:56 pmRock Springs Sweetwater County
1h 24m
DEN3:20 pmDenver Intl
$261
Find similar
United Airlines
Nov 22
DEN12:10 pmDenver Intl
1h 11m
RKS1:21 pmRock Springs Sweetwater County
Nov 29
RKS5:15 amRock Springs Sweetwater County
1h 31m
DEN6:46 amDenver Intl
$291
Find similar

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 October 16, 2025.
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

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Thu 10/30

8:49 pm-9:59 pm

Nonstop1h 10m

Rock Springs Sweetwater County

Mon 11/3

5:15 am-6:46 am

Nonstop1h 31m

$241

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Wed 10/29

12:10 pm-1:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Thu 11/6

1:56 pm-3:20 pm

Nonstop1h 24m

$261

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sat 11/22

12:10 pm-1:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sat 11/29

5:15 am-6:46 am

Nonstop1h 31m

$291

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Thu 11/13

8:49 pm-9:59 pm

Nonstop1h 10m

Rock Springs Sweetwater County

Thu 11/20

1:56 pm-3:20 pm

Nonstop1h 24m

$318

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sun 11/2

8:49 pm-9:59 pm

Nonstop1h 10m

Rock Springs Sweetwater County

Wed 11/5

5:15 am-6:46 am

Nonstop1h 31m

$395

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sun 12/14

8:49 pm-9:59 pm

Nonstop1h 10m

Rock Springs Sweetwater County

Sat 12/20

2:18 pm-3:44 pm

Nonstop1h 26m

$495

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Mon 12/15

8:49 pm-9:59 pm

Nonstop1h 10m

$198

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Fri 10/24

12:10 pm-1:23 pm

Nonstop1h 13m

$298

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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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 $290. 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 $368 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 Intl to Rock Springs Sweetwater County flights?

There is only 1 cabin class available to choose from on Denver Intl to Rock Springs Sweetwater County 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, Tue, Thu, Fri and Sat

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, Tuesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
There is 1 airport near Rock Springs: Rock Springs Sweetwater County (RKS)
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  • 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 $220Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Rock Springs

    United Airlines operates around 13 flights from Denver to Rock Springs every week. The average price of these flights found in the last 72 hours has been $357, but momondo users have found United Airlines deals from Denver to Rock Springs from as low as $220 round-trip. United Airlines has been scored 7.4/10 in 8,982 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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