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Rock Springs

$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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — RKS
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Denver to Rock Springs

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Rock Springs (RKS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$241
(United Airlines)

One-way from

$198
(United Airlines)
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
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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 January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/6. 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 1/2112:10 pmDEN - RKS
Nonstop1h 18mUnited Airlines
Sun 1/255:15 amRKS - DEN
Nonstop1h 36mUnited Airlines
Deal found 1/6$241
This United Airlines deal was found by Cheapflights users on 1/7. 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 2/289:00 pmDEN - RKS
Nonstop1h 13mUnited Airlines
Wed 3/45:15 amRKS - DEN
Nonstop1h 30mUnited Airlines
Deal found 1/7$261
This United Airlines deal was found by Cheapflights users on 1/5. 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 1/99:00 pmDEN - RKS
Nonstop1h 15mUnited Airlines
Sun 1/115:15 amRKS - DEN
Nonstop1h 36mUnited Airlines
Deal found 1/5$341
This United Airlines deal was found by Cheapflights users on 1/8. 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.
Thu 1/89:00 pmDEN - RKS
Nonstop1h 15mUnited Airlines
Fri 1/95:15 amRKS - DEN
Nonstop1h 36mUnited Airlines
Deal found 1/8$795

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 January 8, 2026.
Use the filters below to find and compare flights from Denver to Rock Springs that are best for you.

Fly from

Denver

Fly to

Rock Springs

Route

Depart

Return

Price

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Thu 1/22

12:10 pm-1:28 pm

Nonstop1h 18m

Rock Springs Sweetwater County

Mon 1/26

5:15 am-6:51 am

Nonstop1h 36m

$241

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Wed 1/21

12:10 pm-1:28 pm

Nonstop1h 18m

Rock Springs Sweetwater County

Sun 1/25

5:15 am-6:51 am

Nonstop1h 36m

$241

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sat 2/28

12:15 pm-1:33 pm

Nonstop1h 18m

Rock Springs Sweetwater County

Wed 3/4

5:15 am-6:45 am

Nonstop1h 30m

$261

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sun 2/1

12:10 pm-1:28 pm

Nonstop1h 18m

$198

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Fri 1/30

12:10 pm-1:28 pm

Nonstop1h 18m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Rock Springs flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 January 8, 2026.

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

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 January 8, 2026.
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
9,139 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,139 reviews
United Airlines
7.4
Good
9,139 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    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 2 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.

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

    For as low as $241, United Airlines can have you in Rock Springs from Denver in 1h 18m. Airlines will cover a distance of 259 mi. Generally, flights for this route are nonstop.

  • 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 (85%), United Airlines (85%), Copa Airlines( 84%).

  • 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

Discover the top airline that operate flights from Denver 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$220Average$340FlexibilityNo cancel feeOn-time69%

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