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$198+ Cheap flights from Rock Springs (RKS) to Colorado

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
RKS — DEN
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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Cheap 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 enero 15, 2026.

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

$339

Good round-trip deal

$293 or less

Good one-way deal

$384 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 Colorado
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One-way flight from Rock Springs Sweetwater County to Colorado
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Highest demand for flights based on searches. 5% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Rock Springs Sweetwater County to Colorado.
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Price to beat on a one-way flight from Rock Springs Sweetwater County to Colorado.
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Find 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 enero 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/15. 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.
vie. 1/302:08 pm
RKS
-
DEN
Nonstop1h 26m
United Airlines
mar. 2/39:00 pm
DEN
-
RKS
Nonstop1h 15m
United Airlines
Deal found 1/15$241
This United Airlines deal was found by Cheapflights users on 1/14. 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.
mar. 4/72:15 pm
RKS
-
DEN
Nonstop1h 21m
United Airlines
dom. 4/1212:15 pm
DEN
-
RKS
Nonstop1h 15m
United Airlines
Deal found 1/14$261
This United Airlines deal was found by Cheapflights users on 1/13. 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.
mar. 2/35:15 am
RKS
-
COS
1 stop5h 42m
United Airlines
sáb. 2/78:40 am
COS
-
RKS
1 stop4h 53m
United Airlines
Deal found 1/13$288
This United Airlines deal was found by Cheapflights users on 1/14. 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.
vie. 3/132:10 pm
RKS
-
DEN
Nonstop1h 30m
United Airlines
dom. 3/2212:15 pm
DEN
-
RKS
Nonstop1h 18m
United Airlines
Deal found 1/14$291
This United Airlines deal was found by Cheapflights users on 1/14. 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.
jue. 1/152:08 pm
RKS
-
DEN
Nonstop1h 26m
United Airlines
dom. 1/189:00 pm
DEN
-
RKS
Nonstop1h 15m
United Airlines
Deal found 1/14$341
This United Airlines deal was found by Cheapflights users on 1/14. 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. 4/125:15 am
RKS
-
DEN
Nonstop1h 21m
United Airlines
lun. 4/1312:15 pm
DEN
-
RKS
Nonstop1h 15m
United Airlines
Deal found 1/14$395
This United Airlines deal was found by Cheapflights users on 1/14. 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.
vie. 2/275:15 am
RKS
-
DEN
Nonstop1h 30m
United Airlines
dom. 3/112:15 pm
DEN
-
RKS
Nonstop1h 18m
United Airlines
Deal found 1/14$418
This United Airlines deal was found by Cheapflights users on 1/15. 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.
sáb. 1/315:15 am
RKS
-
COS
1 stop7h 07m
United Airlines
mié. 2/43:30 pm
COS
-
RKS
1 stop6h 45m
United Airlines
Deal found 1/15$478
This United Airlines deal was found by Cheapflights users on 1/13. 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.
mié. 1/215:15 am
RKS
-
DEN
Nonstop1h 36m
United Airlines
vie. 1/239:00 pm
DEN
-
RKS
Nonstop1h 15m
United Airlines
Deal found 1/13$595
This United Airlines deal was found by Cheapflights users on 1/14. 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.
mar. 1/202:08 pm
RKS
-
DEN
Nonstop1h 26m
United Airlines
jue. 1/2212:10 pm
DEN
-
RKS
Nonstop1h 18m
United Airlines
Deal found 1/14$695
This United Airlines deal was found by Cheapflights users on 1/15. 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.
mié. 1/215:15 am
RKS
-
DEN
Nonstop1h 36m
United Airlines
mié. 1/219:00 pm
DEN
-
RKS
Nonstop1h 15m
United Airlines
Deal found 1/15$795

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 enero 15, 2026.
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

vie. 4/10

2:15 pm-3:36 pm

Nonstop1h 21m

Denver Intl

dom. 4/12

12:15 pm-1:30 pm

Nonstop1h 15m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

vie. 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

sáb. 2/14

2:10 pm-3:40 pm

Nonstop1h 30m

Denver Intl

lun. 2/16

12:15 pm-1:33 pm

Nonstop1h 18m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

vie. 7/3

5:25 am-6:53 am

Nonstop1h 28m

Denver Intl

dom. 7/5

8:46 pm-10:01 pm

Nonstop1h 15m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

vie. 1/30

2:08 pm-3:34 pm

Nonstop1h 26m

Denver Intl

mar. 2/3

9:00 pm-10:15 pm

Nonstop1h 15m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

mar. 4/7

2:15 pm-3:36 pm

Nonstop1h 21m

Denver Intl

mié. 4/15

9:00 pm-10:15 pm

Nonstop1h 15m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

vie. 3/13

2:10 pm-3:40 pm

Nonstop1h 30m

Denver Intl

vie. 3/20

12:15 pm-1:33 pm

Nonstop1h 18m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

mar. 4/7

2:15 pm-3:36 pm

Nonstop1h 21m

Denver Intl

mar. 4/14

9:00 pm-10:15 pm

Nonstop1h 15m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

vie. 3/13

2:10 pm-3:40 pm

Nonstop1h 30m

Denver Intl

dom. 3/22

9:00 pm-10:13 pm

Nonstop1h 13m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

sáb. 4/11

2:15 pm-3:36 pm

Nonstop1h 21m

Denver Intl

dom. 4/12

12:15 pm-1:30 pm

Nonstop1h 15m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 16 results
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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 month to book a flight from Rock Springs to Colorado?

Currently, January is the cheapest month in which you can book a flight from Rock Springs to Colorado (average of $107). Flying from Rock Springs to Colorado in June is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 enero 15, 2026.

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 enero 15, 2026.

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 enero 15, 2026.
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
9,163 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,163 reviews
United Airlines
7.4
Good
9,163 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 21m. 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 (97%), SkyWest Airlines (83%) or United Airlines (83%) 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 $418, our data shows the cheapest flight currently is $258. 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.

  • What is the cheapest month to book a flight from Rock Springs to Colorado?

    Currently, January is the cheapest month in which you can book a flight from Rock Springs to Colorado (average of $107). Flying from Rock Springs to Colorado in June is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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 enero 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$240Average$290FlexibilityNo cancel feeOn-time69%

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