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$198+ Cheap flights from Rock Springs to Denver (RKS - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
RKS — DEN
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Cheap flight deals from Rock Springs to Denver

Cheapest flights from Rock Springs to Denver
Explore the most affordable flight options available from Rock Springs to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

This United Airlines deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:15 amRKS - DEN
Nonstop1h 36mUnited Airlines
Fri 12/268:44 pmDEN - RKS
Nonstop1h 15mUnited Airlines
Deal found 12/8$241
This United Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:15 amRKS - DEN
Nonstop1h 31mUnited Airlines
Thu 1/89:00 pmDEN - RKS
Nonstop1h 15mUnited Airlines
Deal found 12/6$291
This United Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:56 pmRKS - DEN
Nonstop1h 24mUnited Airlines
Mon 12/1512:10 pmDEN - RKS
Nonstop1h 11mUnited Airlines
Deal found 12/7$341
This United Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:18 pmRKS - DEN
Nonstop1h 26mUnited Airlines
Thu 12/258:44 pmDEN - RKS
Nonstop1h 15mUnited Airlines
Deal found 12/6$395
This United Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/192:18 pmRKS - DEN
Nonstop1h 26mUnited Airlines
Sat 12/2012:10 pmDEN - RKS
Nonstop1h 18mUnited Airlines
Deal found 12/6$495
This United Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/71:56 pmRKS - DEN
Nonstop1h 24mUnited Airlines
Mon 12/812:10 pmDEN - RKS
Nonstop1h 11mUnited Airlines
Deal found 12/6$795

Find flight deals from Rock Springs to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Rock Springs (RKS) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$241
(United Airlines)

One-way from

$198
(United Airlines)

Popular in

May

Cheapest in

February

Average price

$317

Good round-trip deal

$315 or less

Good one-way deal

$313 or less
Provider with most accurate pricing for Rock Springs Sweetwater County-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Rock Springs Sweetwater County-Denver Intl flights.
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From Rock Springs Sweetwater County to Denver Intl
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One-way flight from Rock Springs Sweetwater County to Denver Intl
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Highest demand for flights based on searches. 7% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Rock Springs Sweetwater County to Denver Intl.
Search Deals
Price to beat on a one-way flight from Rock Springs Sweetwater County to Denver Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Rock Springs to Denver 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, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from Rock Springs to Denver that are best for you.

Fly from

Rock Springs

Fly to

Denver

Route

Depart

Return

Price

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Mon 12/22

2:18 pm-3:44 pm

Nonstop1h 26m

Denver Intl

Fri 12/26

8:44 pm-9:59 pm

Nonstop1h 15m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Tue 12/23

2:18 pm-3:44 pm

Nonstop1h 26m

Denver Intl

Sat 12/27

8:44 pm-9:59 pm

Nonstop1h 15m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Sat 1/10

2:08 pm-3:34 pm

Nonstop1h 26m

Denver Intl

Sun 1/11

12:10 pm-1:28 pm

Nonstop1h 18m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Fri 1/9

2:08 pm-3:34 pm

Nonstop1h 26m

Denver Intl

Sun 1/11

9:00 pm-10:15 pm

Nonstop1h 15m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Sat 1/10

2:08 pm-3:34 pm

Nonstop1h 26m

Denver Intl

Tue 1/13

9:00 pm-10:15 pm

Nonstop1h 15m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Thu 1/8

5:15 am-6:51 am

Nonstop1h 36m

Denver Intl

Mon 1/12

12:10 pm-1:28 pm

Nonstop1h 18m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Fri 1/9

2:08 pm-3:34 pm

Nonstop1h 26m

Denver Intl

Tue 1/13

12:10 pm-1:28 pm

Nonstop1h 18m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Sat 1/10

2:08 pm-3:34 pm

Nonstop1h 26m

Denver Intl

Mon 1/12

12:10 pm-1:28 pm

Nonstop1h 18m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Thu 1/8

5:15 am-6:51 am

Nonstop1h 36m

Denver Intl

Sun 1/11

12:10 pm-1:28 pm

Nonstop1h 18m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Sat 1/10

2:08 pm-3:34 pm

Nonstop1h 26m

Denver Intl

Thu 1/15

12:10 pm-1:28 pm

Nonstop1h 18m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 12 results
1
2

Compare providers for flights from Rock Springs to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rock Springs to Denver in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rock Springs-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rock Springs-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Rock Springs-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rock Springs-Denver flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rock Springs-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rock Springs to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Rock Springs with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rock Springs to Denver

What is the cheapest time of day to fly from RKS to DEN?

Find hourly flight availability from Rock Springs to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 8, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Rock Springs to Denver as you normally would.

How much does it cost to fly round-trip from Rock Springs to Denver?

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated December 8, 2025.
Get a feel of what it's like to fly with United Airlines from Rock Springs to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,076 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,076 reviews
United Airlines
7.4
Good
9,076 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Rock Springs to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Rock Springs to Denver?

    You will need to book a flight from Rock Springs Sweetwater County to Denver Intl if you want to fly from Rock Springs to Denver. At least 1 airline has flights from Sweetwater County (RKS) to Denver Intl (DEN) on a regular basis. There are 2 flights to Denver from the Rock Springs airport per day. If you manage to book one that is nonstop, then you can expect the flight time from RKS to DEN to be around 1h 26m.

  • How popular is this Rock Springs to Denver flight route?

    The Rock Springs Sweetwater County to Denver Intl flight path was viewed by 10 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Rock Springs to Denver?

    A quick flight from Rock Springs to Denver can take about 1h 26m. United Airlines provides one of the quickest options available for as low as $241. The distance from Rock Springs to Denver is about 259 mi. All flights are typically nonstop.

  • What is the cheapest airline to fly from Rock Springs to Denver round-trip?

    United Airlines, at $240, was found to be the cheapest airline from Rock Springs to Denver.. United Airlines is currently priced 21% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Rock Springs to Denver?

    Consider Copa Airlines (90%), SkyWest Airlines (85%) or United Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from Rock Springs to Denver.

  • What are the cheapest flights from Rock Springs to Denver?

    The cheapest flight price from Rock Springs to Denver is $240. On average you can expect to pay $440. The most popular route, (Rock Springs Sweetwater County - Denver Intl), can usually be booked for $241.

  • Can I find deals for flights from Rock Springs to Denver that include hotel bookings?

    Yes. In addition to deals on Rock Springs to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rock Springs to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rock Springs to Denver.

  • Can I find deals for business class flights from Rock Springs to Denver?

    Yes. Cheapflights offers flight deals from Rock Springs to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Thornton
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker

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Alternative routes for Rock Springs to Denver

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Top airline flying from Rock Springs to Denver

Discover the top airline that operate flights from Rock Springs to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$240Average$290FlexibilityNo cancel feeOn-time69%

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