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 $221 on this airline. United Airlines is currently priced 30% below the average price you’ll pay for this route.

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 Friday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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: Copa Airlines (85%), SkyWest Airlines (79%), United Airlines( 79%).

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

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 48% on the overall cost on flights from Denver to Rock Springs.

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

Our data shows that February tends to be the cheapest month to fly to Rock Springs from Denver. Users have commonly found prices around $316 for the month, but tickets can be as low as $220. Due to multiple factors, prepare for potentially higher prices in May.

Most accurate provider : When it comes to deals on Denver-Rock Springs flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Rock Springs flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Rock Springs flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Denver-Rock Springs flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Rock Springs flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 13m 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.

$170+ Save on Flights from Denver to Rock Springs

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1. Tell us where you want to go

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2. Select your favorite providers

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Cheap flight deals from Denver to Rock Springs

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$221 (United Airlines)
One-way from	$170 (United Airlines)
Popular in	May
Cheapest in	February
Average price	$220

Provider with most accurate pricing for Denver Intl-Rock Springs Sweetwater County flight deals.

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Provider most trusted by Cheapflights users for Denver Intl-Rock Springs Sweetwater County flights.

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From Denver Intl to Rock Springs Sweetwater County

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

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in February 2025

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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 February 20, 2025.

Thu 3/612:20 pmDEN - RKS

Nonstop1h 17mUnited Airlines

Mon 3/102:20 pmRKS - DEN

Nonstop1h 28mUnited Airlines

Deal found 2/18

$221

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 February 20, 2025.

Thu 3/612:20 pmDEN - RKS

Nonstop1h 17mUnited Airlines

Mon 3/102:20 pmRKS - DEN

Nonstop1h 28mUnited Airlines

Deal found 2/18

$221

Last-minute flights from Denver to Rock Springs
Discover last-minute flight deals from Denver to Rock Springs. Data last updated February 20, 2025 and is based on user searches.

Thu 3/612:20 pmDEN - RKS

Nonstop1h 17mUnited Airlines

Mon 3/102:20 pmRKS - DEN

Nonstop1h 28mUnited Airlines

Deal found 2/18

$221

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 February 20, 2025.

Sun 4/69:00 pmDEN - RKS

Nonstop1h 13mUnited Airlines

Deal found 2/20

$170

Find flights from Denver to Rock Springs within your budget

Fly from

Fly to

Route

Depart

Return

Price

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Thu 3/6

12:20 pm-1:37 pm

Nonstop1h 17m

Rock Springs Sweetwater County

Mon 3/10

2:20 pm-3:48 pm

Nonstop1h 28m

$221

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sun 4/6

9:00 pm-10:13 pm

Nonstop1h 13m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Compare providers for flights from Denver to Rock Springs

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Rock Springs in February.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Denver-Rock Springs flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Rock Springs flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Rock Springs flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Denver-Rock Springs flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Rock Springs flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Denver to Rock Springs

Get recent, data-driven insights about flights from Denver to Rock Springs including ideal travel times, pricing trends, and more.

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).

Rainfall in Rock Springs 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

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

United Airlines

7.4

Good

8,765 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

8,765 reviews

United Airlines

7.4

Good

8,765 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 13m 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 $221 on this airline. United Airlines is currently priced 30% below the average price you’ll pay for this route.
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: Copa Airlines (85%), SkyWest Airlines (79%), United Airlines( 79%).
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

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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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$170+ 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 4/6. 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

3. Compare prices and book

Cheap flight deals from Denver to Rock Springs

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 February 20, 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 February 20, 2025.

Find flights from Denver to Rock Springs within your budget

Compare providers for flights from Denver to Rock Springs

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Rock Springs in February.

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.

Travel insights for flights from Denver to Rock Springs

Get recent, data-driven insights about flights from Denver to Rock Springs including ideal travel times, pricing trends, and more.

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 February 20, 2025.

Weekly flight availability from Denver to Rock Springs

Rainfall in Rock Springs by month

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

Temperature in Rock Springs by month

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

Reviews of airlines servicing Rock Springs

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

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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 February 20, 2025.