HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rock Springs

$221+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — RKS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$221
(United Airlines)

Popular in

May

Cheapest in

June

Average price

$473

Good one-way deal

$170 or less
Provider with most accurate pricing for Denver Intl-Rock Springs Sweetwater County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Rock Springs Sweetwater County flights.
Search Deals
From Colorado to Rock Springs Sweetwater County
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a one-way 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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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 4/119:00 pmDEN - RKS
Nonstop1h 13mUnited Airlines
Tue 4/155:20 amRKS - DEN
Nonstop1h 22mUnited Airlines
Deal found 3/27$221

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 March 28, 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

Fri 4/11

9:00 pm-10:13 pm

Nonstop1h 13m

Rock Springs Sweetwater County

Tue 4/15

5:20 am-6:42 am

Nonstop1h 22m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March 28, 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.

Rainfall in Rock Springs by month

Plan your trip to Rock Springs by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rock Springs ranges from 0.5 - 1.2 inches per month. May is typically the wettest month, when rainfall can reach 1.2 in. January is typically the driest time to visit Rock Springs when rainfall is around 0.5 in.

Temperature in Rock Springs by month

Plan your trip to Rock Springs by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rock Springs, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Rock Springs

Get insights into the airlines that provide service to Rock Springs. 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 Rock Springs. Reviews last updated March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • 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 Copa Airlines (80%), SkyWest Airlines (78%) or United Airlines (78%) 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 $170. While the most popular route (Denver Intl - Rock Springs Sweetwater County) can be booked for $221 on average our data indicates $170 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.
Newark to Denver flights
John F Kennedy Intl to Denver flights
Dallas/Fort Worth to Denver flights
Dulles Intl to Denver flights
LaGuardia to Denver flights
John F Kennedy Intl to Salt Lake City flights
Newark to Salt Lake City flights
O'Hare Intl to Denver flights
Boston to Denver flights
Seattle to Denver flights
Reagan-National to Denver flights
Philadelphia to Denver flights
Hobby to Denver flights
Los Angeles to Salt Lake City flights
Minneapolis to Denver flights
Baltimore to Denver flights
Dallas/Fort Worth to Salt Lake City flights
Detroit to Denver flights
Los Angeles to Denver flights
San Francisco to Denver flights
Boston to Salt Lake City flights
Seattle to Salt Lake City flights
Austin to Denver flights
Charlotte to Denver flights
George Bush Intcntl to Denver flights
Sky Harbor Intl to Denver flights
Atlanta to Denver flights
Orlando to Denver flights
Tampa to Denver flights
O'Hare Intl to Salt Lake City flights
Portland to Denver flights
Raleigh to Denver flights
Ontario to Denver flights
LaGuardia to Salt Lake City flights
San Diego to Denver flights
Cincinnati to Denver flights
Dulles Intl to Salt Lake City flights
Baltimore to Salt Lake City flights
Reagan-National to Salt Lake City flights
Cleveland to Denver flights
Indianapolis to Denver flights
Madison to Denver flights
Hartford to Denver flights
Santa Ana to Salt Lake City flights
Milwaukee to Denver flights
Fort Lauderdale to Denver flights
Grand Rapids to Denver flights
Newark to Jackson flights
Pittsburgh to Denver flights
Hobby 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$220Average$240FlexibilityNo 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.