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.

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).

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 (52%) as they are the most reliable in getting you off to your destination on time.

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.

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.

$198+ Flights from Colorado to Rock Springs

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Cheap flight deals from Colorado to Rock Springs

Round-trip from	$241 (United Airlines)
One-way from	$198 (United Airlines)

From Colorado to Rock Springs Sweetwater County

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One-way flight from Colorado to Rock Springs Sweetwater County

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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 July 3, 2025.

Sat 8/1611:55 amDEN - RKS

Nonstop1h 10mUnited Airlines

Sat 8/231:58 pmRKS - DEN

Nonstop1h 14mUnited Airlines

Deal found 7/2

$241

Best flights from Colorado to Rock Springs
Discover carefully curated flight deals from Colorado to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 8/1611:55 amDEN - RKS

Nonstop1h 10mUnited Airlines

Sat 8/231:58 pmRKS - DEN

Nonstop1h 14mUnited Airlines

Deal found 7/2

$241

Last-minute flights from Colorado to Rock Springs
Discover last-minute flight deals from Colorado to Rock Springs. Data last updated July 3, 2025 and is based on user searches.

Fri 7/189:04 pmDEN - RKS

Nonstop1h 09mUnited Airlines

Tue 7/225:33 amRKS - DEN

Nonstop1h 12mUnited Airlines

Deal found 7/3

$241

One-way flights from Colorado to Rock Springs
Search for one-way flight options from Colorado to Rock Springs. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Fri 7/1811:55 amDEN - RKS

Nonstop1h 10mUnited Airlines

Deal found 7/1

$198

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Rock Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Fri 7/18

9:04 pm-10:13 pm

Nonstop1h 09m

Rock Springs Sweetwater County

Tue 7/22

5:33 am-6:45 am

Nonstop1h 12m

$241

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Fri 7/18

9:04 pm-10:13 pm

Nonstop1h 09m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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?

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

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).

Reviews of airlines servicing Rock Springs

Read through reviews of airlines operating flights from Colorado to Rock Springs, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,861 reviews

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

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

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

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 SkyWest Airlines (72%), United Airlines (72%) or Copa Airlines (52%) as they are the most reliable in getting you off to your destination on time.
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

Alternative routes for Colorado to Rock Springs

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Top airline flying from Colorado to Rock Springs

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$220	Average$266	FlexibilityNo cancel fee	On-time69%

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

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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado to Rock Springs with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 July 3, 2025.

Round-trip from

One-way from

Find flight deals from Colorado to Rock Springs

Cheapest flights from Colorado to Rock SpringsExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Rock Springs that are best for you.

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.

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 July 3, 2025.

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 July 3, 2025.

Reviews of airlines servicing Rock Springs

Read through reviews of airlines operating flights from Colorado to Rock Springs, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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.

Top airline flying from Colorado to Rock Springs

100% Free

Book with Flexibility

Travel Smart

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 July 3, 2025.