What is the cheapest airline to fly from Denver to Rock Springs round-trip?

Our cheapest airline available from Denver to Rock Springs is United Airlines. Our recent data shows that you can find tickets from as low as $241 on this airline.

What is the cheapest day to fly from Denver to Rock Springs?

Travelers seeking maximum savings on their Denver to Rock Springs flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 Denver to Rock Springs?

Before booking your flight to Rock Springs from Denver, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (63%), United Airlines (63%), Copa Airlines( 53%).

What airports do I use to fly from Denver to Rock Springs?

Rock Springs Sweetwater County is the airport most travelers will use when flying to Rock Springs from Denver Intl. Booking flights from Denver Intl (DEN) to Sweetwater County (RKS) should be relatively easy as there are 3 daily flights to Rock Springs from 1 airline. 1h 10m is how long a flight from Denver to Rock Springs Sweetwater County will take if you book a nonstop flight.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Denver 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 Denver to Rock Springs

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Cheap flight deals from Denver to Rock Springs

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

From Denver Intl to Rock Springs Sweetwater County

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One-way flight from Denver Intl to Rock Springs Sweetwater County

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Find flight deals from Denver to Rock Springs

Cheapest flights from Denver to Rock Springs
Explore the most affordable flight options available from Denver to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 1, 2025.

lun. 7/2811:55 amDEN - RKS

Nonstop1h 10mUnited Airlines

lun. 8/45:33 amRKS - DEN

Nonstop1h 12mUnited Airlines

Deal found 6/30

$241

Best flights from Denver to Rock Springs
Discover carefully curated flight deals from Denver to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 1, 2025.

lun. 7/2811:55 amDEN - RKS

Nonstop1h 10mUnited Airlines

lun. 8/45:33 amRKS - DEN

Nonstop1h 12mUnited Airlines

Deal found 6/30

$241

Last-minute flights from Denver to Rock Springs
Discover last-minute flight deals from Denver to Rock Springs. Data last updated julio 1, 2025 and is based on user searches.

lun. 7/2811:55 amDEN - RKS

Nonstop1h 10mUnited Airlines

lun. 8/45:33 amRKS - DEN

Nonstop1h 12mUnited Airlines

Deal found 6/30

$241

One-way flights from Denver to Rock Springs
Search for one-way flight options from Denver to Rock Springs. Find affordable one-way fares based on user searches. Data last updated julio 1, 2025.

vie. 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 Denver to Rock Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

lun. 7/28

11:55 am-1:05 pm

Nonstop1h 10m

Rock Springs Sweetwater County

lun. 8/4

5:33 am-6:45 am

Nonstop1h 12m

$241

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

vie. 7/18

11:55 am-1:05 pm

Nonstop1h 10m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Denver to Rock Springs

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

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

It’s typically best to fly out from Denver to Rock Springs in the morning. Doing so could potentially save you 33% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Denver to Rock Springs

The most flights from DEN 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 Denver to Rock Springs, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,858 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

8,858 reviews

United Airlines

7.4

Good

8,858 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 airports do I use to fly from Denver to Rock Springs?
Rock Springs Sweetwater County is the airport most travelers will use when flying to Rock Springs from Denver Intl. Booking flights from Denver Intl (DEN) to Sweetwater County (RKS) should be relatively easy as there are 3 daily flights to Rock Springs from 1 airline. 1h 10m is how long a flight from Denver to Rock Springs Sweetwater County will take if you book a nonstop flight.
What is the cheapest airline to fly from Denver to Rock Springs round-trip?
Our cheapest airline available from Denver to Rock Springs is United Airlines. Our recent data shows that you can find tickets from as low as $241 on this airline.
What are the most reliable airlines from Denver to Rock Springs?
Before booking your flight to Rock Springs from Denver, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (63%), United Airlines (63%), Copa Airlines( 53%).
Can I find deals for flights from Denver to Rock Springs that include hotel bookings?
Yes. In addition to deals on Denver to Rock Springs flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Denver to Rock Springs?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Rock Springs.
Can I find deals for business class flights from Denver to Rock Springs?
Yes. Cheapflights offers flight deals from Denver 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

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Top airline flying from Denver 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 Denver to Rock Springs (DEN - 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 Denver to Rock Springs with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

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Cheap flight deals from Denver to Rock Springs

Round-trip from

One-way from

Find flight deals from Denver to Rock Springs

Cheapest flights from Denver to Rock SpringsExplore the most affordable flight options available from Denver to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 1, 2025.

Explore the most affordable flight options available from Denver to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 1, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Denver to Rock Springs

Have a flexible travel schedule? Discover the best time to fly to Rock Springs from Denver with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Denver to Rock Springs

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

Find hourly flight availability from Denver 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 julio 1, 2025.

Weekly flight availability from Denver to Rock Springs

Explore weekly flight availability from Denver 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 julio 1, 2025.

Reviews of airlines servicing Rock Springs

Read through reviews of airlines operating flights from Denver to Rock Springs, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Denver 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 airports do I use to fly from Denver to Rock Springs?

What is the cheapest airline to fly from Denver to Rock Springs round-trip?

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Denver to Rock Springs

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Denver to Rock Springs
Explore the most affordable flight options available from Denver to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 1, 2025.