HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rock Springs

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

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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — RKS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Rock Springs with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colorado to Rock Springs

Keep the following information in mind while searching for Colorado to Rock Springs flight deals. Data was last updated September 11, 2025.

Round-trip from

$241
(United Airlines)

Good round-trip deal

$678 or less
From Colorado to Rock Springs Sweetwater County
Search Deals
Price to beat on a round-trip flight from Colorado to Rock Springs Sweetwater County.
Search Deals

Find flight deals from Colorado to Rock Springs

Cheapest flights from Colorado to Rock Springs
Explore the most affordable flight options available from Colorado to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 9/249:04 pmDEN - RKS
Nonstop1h 07mUnited Airlines
Sun 9/285:15 amRKS - DEN
Nonstop1h 09mUnited Airlines
Deal found 9/9$241
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/49:00 pmDEN - RKS
Nonstop1h 07mUnited Airlines
Sat 10/182:18 pmRKS - DEN
Nonstop1h 14mUnited Airlines
Deal found 9/10$261
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/59:00 pmDEN - RKS
Nonstop1h 07mUnited Airlines
Thu 10/162:00 pmRKS - DEN
Nonstop1h 14mUnited Airlines
Deal found 9/10$291
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/59:00 pmDEN - RKS
Nonstop1h 07mUnited Airlines
Fri 10/175:15 amRKS - DEN
Nonstop1h 09mUnited Airlines
Deal found 9/11$318
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 9/1212:10 pmDEN - RKS
Nonstop1h 13mUnited Airlines
Sun 9/141:58 pmRKS - DEN
Nonstop1h 14mUnited Airlines
Deal found 9/8$341
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/49:00 pmDEN - RKS
Nonstop1h 07mUnited Airlines
Thu 10/165:15 amRKS - DEN
Nonstop1h 09mUnited Airlines
Deal found 9/10$418
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 9/1712:10 pmDEN - RKS
Nonstop1h 13mUnited Airlines
Sat 9/201:58 pmRKS - DEN
Nonstop1h 14mUnited Airlines
Deal found 9/9$595
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 9/1012:10 pmDEN - RKS
Nonstop1h 13mUnited Airlines
Fri 9/125:45 amRKS - DEN
Nonstop1h 09mUnited Airlines
Deal found 9/10$795

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Colorado to Rock Springs that are best for you.

Fly from

Colorado

Fly to

Rock Springs

Route

Depart

Return

Price

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Wed 9/24

9:04 pm-10:11 pm

Nonstop1h 07m

Rock Springs Sweetwater County

Sun 9/28

5:15 am-6:24 am

Nonstop1h 09m

$241

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Fri 10/3

9:00 pm-10:07 pm

Nonstop1h 07m

Rock Springs Sweetwater County

Sun 10/5

2:00 pm-3:14 pm

Nonstop1h 14m

$241

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Mon 10/6

9:00 pm-10:07 pm

Nonstop1h 07m

Rock Springs Sweetwater County

Fri 10/17

5:15 am-6:24 am

Nonstop1h 09m

$261

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Mon 10/6

12:10 pm-1:23 pm

Nonstop1h 13m

Rock Springs Sweetwater County

Sat 10/18

2:18 pm-3:32 pm

Nonstop1h 14m

$261

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sat 10/4

9:00 pm-10:07 pm

Nonstop1h 07m

Rock Springs Sweetwater County

Fri 10/17

2:00 pm-3:14 pm

Nonstop1h 14m

$261

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sat 10/4

9:00 pm-10:07 pm

Nonstop1h 07m

Rock Springs Sweetwater County

Sat 10/18

2:18 pm-3:32 pm

Nonstop1h 14m

$261

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sun 10/5

9:00 pm-10:07 pm

Nonstop1h 07m

Rock Springs Sweetwater County

Thu 10/16

2:00 pm-3:14 pm

Nonstop1h 14m

$291

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sun 10/5

9:00 pm-10:07 pm

Nonstop1h 07m

Rock Springs Sweetwater County

Fri 10/17

2:00 pm-3:14 pm

Nonstop1h 14m

$291

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sat 10/4

9:00 pm-10:07 pm

Nonstop1h 07m

Rock Springs Sweetwater County

Thu 10/16

5:15 am-6:24 am

Nonstop1h 09m

$418

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Mon 10/6

9:00 pm-10:07 pm

Nonstop1h 07m

Rock Springs Sweetwater County

Thu 10/16

2:00 pm-3:14 pm

Nonstop1h 14m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 14 results
1
2

Best time to book a flight from Colorado to Rock Springs

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

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

Find hourly flight availability from Colorado to Rock Springs. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

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

Weekly flight availability from Colorado to Rock Springs

Explore weekly flight availability from Colorado to Rock Springs. 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 September 11, 2025.

The most flights from USCO to RKS 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).

Related info for your journey

Find useful and relevant information for your journey from Colorado to Rock Springs. 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 into for flights to Rock Springs from Colorado?

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

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

    Airlines like United Airlines fly from Colorado to Rock Springs in about 1h 07m. The time it takes to get you to your destination is usually consistent. The distance between Colorado and Rock Springs is about 259 mi. Generally, flights for this route are nonstop.

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

    No one likes to see their flight delayed. When booking a flight from Colorado to Rock Springs consider choosing SkyWest Airlines (72%), United Airlines (72%) or Copa Airlines (56%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $340. While the most popular route (Denver Intl - Rock Springs Sweetwater County) can be booked for $241 on average, our data indicates $678 when flying from Colorado to Rock Springs.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Rock Springs 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Rock Springs

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Denver flights
LaGuardia to Denver flights
John F Kennedy Intl to Denver flights
Newark to Denver flights
O'Hare Intl to Denver flights
Seattle to Denver flights
Los Angeles to Denver flights
Minneapolis to Denver flights
Boston to Denver flights
Atlanta to Denver flights
Hobby to Denver flights
Baltimore to Denver flights
Philadelphia to Denver flights
San Francisco to Denver flights
Dallas/Fort Worth to Salt Lake City flights
Dulles Intl to Denver flights
John F Kennedy Intl to Salt Lake City flights
George Bush Intcntl to Denver flights
Ontario to Denver flights
Austin to Denver flights
Newark to Salt Lake City flights
Santa Ana to Denver flights
Seattle to Salt Lake City flights
Reagan-National to Denver flights
Orlando to Denver flights
Sky Harbor Intl to Denver flights
Raleigh to Denver flights
Detroit to Denver flights
Boston to Salt Lake City flights
Charlotte to Denver flights
Tampa to Denver flights
O'Hare Intl to Salt Lake City flights
Dulles Intl to Salt Lake City flights
Miami to Denver flights
Cincinnati to Denver flights
Los Angeles to Salt Lake City flights
Fort Lauderdale to Denver flights
Reagan-National to Salt Lake City flights
San Jose to Denver flights
Portland to Denver flights
Denver to Salt Lake City flights
LaGuardia to Salt Lake City flights
Cleveland to Denver flights
Midway to Denver flights
Baltimore to Salt Lake City flights
Nashville to Denver flights
St. Louis to Denver flights
Love Field to Denver flights
San Francisco to Salt Lake City flights
Santa Ana to Salt Lake City flights

Top airline flying from Colorado to Rock Springs

Discover the top airline that operate flights from Colorado to Rock Springs. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$220Average$340FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights