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$241+ Cheap flights from Rock Springs (RKS) to Colorado

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
RKS — DEN
jan 4 — jan 111
dom 1/4
dom 1/11
1 adult, Economy
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Cheap flight deals from Rock Springs to Colorado

Cheapest flights from Rock Springs to Colorado
Explore the most affordable flight options available from Rock Springs to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on dezembro 5, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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.
qui 12/182:18 pmRKS - DEN
Nonstop1h 26mUnited Airlines
seg 12/2212:10 pmDEN - RKS
Nonstop1h 18mUnited Airlines
Deal found 12/3$241
This United Airlines deal was found by Cheapflights users on 12/4. 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.
sex 12/51:56 pmRKS - DEN
Nonstop1h 24mUnited Airlines
dom 12/712:10 pmDEN - RKS
Nonstop1h 11mUnited Airlines
Deal found 12/4$341
This United Airlines deal was found by Cheapflights users on 12/3. 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.
sex 12/51:56 pmRKS - DEN
Nonstop1h 24mUnited Airlines
seg 12/812:10 pmDEN - RKS
Nonstop1h 11mUnited Airlines
Deal found 12/3$568
This United Airlines deal was found by Cheapflights users on 12/4. 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.
dom 12/75:15 amRKS - COS
1 stop3h 26mUnited Airlines
ter 12/910:24 amCOS - RKS
1 stop2h 57mUnited Airlines
Deal found 12/4$744
This United Airlines deal was found by Cheapflights users on 12/4. 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.
dom 12/71:56 pmRKS - DEN
Nonstop1h 24mUnited Airlines
ter 12/98:49 pmDEN - RKS
Nonstop1h 10mUnited Airlines
Deal found 12/4$795

Find flight deals from Rock Springs to Colorado

Keep the following information in mind while searching for Rock Springs to Colorado flight deals. Data was last updated dezembro 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$241
(United Airlines)

Popular in

May

Cheapest in

February

Average price

$317

Good round-trip deal

$309 or less

Good one-way deal

$294 or less
Provider with most accurate pricing for Rock Springs Sweetwater County-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rock Springs Sweetwater County-Denver Intl flights.
Search Deals
From Rock Springs Sweetwater County to Colorado
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($24 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 Colorado.
Search Deals
Price to beat on a one-way flight from Rock Springs Sweetwater County to Colorado.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rock Springs to Colorado 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 dezembro 5, 2025.
Use the filters below to find and compare flights from Rock Springs to Colorado that are best for you.

Fly from

Rock Springs

Fly to

Colorado

Route

Depart

Return

Price

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

sex 1/30

2:08 pm-3:34 pm

Nonstop1h 26m

Denver Intl

dom 2/1

9:00 pm-10:15 pm

Nonstop1h 15m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

qui 12/18

2:18 pm-3:44 pm

Nonstop1h 26m

Denver Intl

seg 12/22

12:10 pm-1:28 pm

Nonstop1h 18m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

qua 12/24

5:15 am-6:51 am

Nonstop1h 36m

Denver Intl

qui 1/1

12:10 pm-1:28 pm

Nonstop1h 18m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

sáb 4/11

2:05 pm-3:33 pm

Nonstop1h 28m

Denver Intl

seg 4/20

12:15 pm-1:30 pm

Nonstop1h 15m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

qui 1/29

2:08 pm-3:34 pm

Nonstop1h 26m

Denver Intl

ter 2/3

9:00 pm-10:15 pm

Nonstop1h 15m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

ter 1/27

5:15 am-6:51 am

Nonstop1h 36m

Denver Intl

seg 2/2

9:00 pm-10:15 pm

Nonstop1h 15m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

qui 1/29

2:08 pm-3:34 pm

Nonstop1h 26m

Denver Intl

qua 2/4

9:00 pm-10:15 pm

Nonstop1h 15m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

sáb 1/31

5:15 am-6:51 am

Nonstop1h 36m

Denver Intl

seg 2/2

9:00 pm-10:15 pm

Nonstop1h 15m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

sáb 1/3

5:15 am-6:51 am

Nonstop1h 36m

Denver Intl

ter 1/6

9:00 pm-10:15 pm

Nonstop1h 15m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

sáb 1/31

5:15 am-6:51 am

Nonstop1h 36m

Denver Intl

qua 2/4

9:00 pm-10:15 pm

Nonstop1h 15m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 14 results
1
2

Best time to book a flight from Rock Springs to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado 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 Colorado

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

Find hourly flight availability from Rock Springs to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated dezembro 5, 2025.

When flying from Rock Springs to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Rock Springs to Colorado

Explore weekly flight availability from Rock Springs to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated dezembro 5, 2025.

The most flights from RKS to USCO are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated dezembro 5, 2025.
Peruse reviews from past customers who have flown with United Airlines from Rock Springs to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,064 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

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
9,064 reviews
United Airlines
7.4
Good
9,064 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

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 Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rock Springs to Colorado?

    For a flight from Rock Springs to Colorado, you will be flying from Sweetwater County. Rock Springs Sweetwater County (RKS) is just 7.1 mi from the center of the city.

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

    Flights from Rock Springs Sweetwater County to Colorado have been viewed 9 times in the past calendar month.

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

    United Airlines can get you from Rock Springs to Colorado in just under 1h 26m. Your travel time will be generally consistent. Airlines will cover a distance of 259 mi. Generally, flights for this route are nonstop.

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

    No one likes to see their flight delayed. When booking a flight from Rock Springs to Colorado consider choosing Copa Airlines (90%), SkyWest Airlines (85%) or United Airlines (85%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Rock Springs to Colorado is generally $356, our data shows the cheapest flight currently is $197. When looking at the most popular route, (Rock Springs Sweetwater County - Denver Intl), you can expect to pay $241 for that flight.

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

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

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

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

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

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

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Alternative routes for Rock Springs to Colorado

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Top airline flying from Rock Springs to Colorado

Discover the top airline that operate flights from Rock Springs to Colorado. 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 dezembro 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$240Average$290FlexibilityNo cancel feeOn-time69%

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