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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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — RKS
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
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 agosto 14, 2025.

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 agosto 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/12. 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.
mié. 8/279:04 pmDEN - RKS
Nonstop1h 07mUnited Airlines
dom. 8/315:45 amRKS - DEN
Nonstop1h 09mUnited Airlines
Deal found 8/12$241
This United Airlines deal was found by Cheapflights users on 8/13. 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.
mié. 9/109:04 pmDEN - RKS
Nonstop1h 07mUnited Airlines
mié. 9/175:45 amRKS - DEN
Nonstop1h 09mUnited Airlines
Deal found 8/13$261
This United Airlines deal was found by Cheapflights users on 8/13. 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.
jue. 8/1411:55 amDEN - RKS
Nonstop1h 10mUnited Airlines
jue. 8/211:58 pmRKS - DEN
Nonstop1h 14mUnited Airlines
Deal found 8/13$341
This United Airlines deal was found by Cheapflights users on 8/13. 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.
mié. 8/2712:10 pmDEN - RKS
Nonstop1h 13mUnited Airlines
sáb. 8/305:45 amRKS - DEN
Nonstop1h 09mUnited Airlines
Deal found 8/13$395
This United Airlines deal was found by Cheapflights users on 8/13. 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.
mié. 8/2012:10 pmDEN - RKS
Nonstop1h 13mUnited Airlines
jue. 8/211:58 pmRKS - DEN
Nonstop1h 14mUnited Airlines
Deal found 8/13$595

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 agosto 14, 2025.
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

mié. 8/27

9:04 pm-10:11 pm

Nonstop1h 07m

Rock Springs Sweetwater County

dom. 8/31

5:45 am-6:54 am

Nonstop1h 09m

$241

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

vie. 8/29

9:04 pm-10:11 pm

Nonstop1h 07m

Rock Springs Sweetwater County

mar. 9/2

5:45 am-6:54 am

Nonstop1h 09m

$241

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

mié. 9/10

9:04 pm-10:11 pm

Nonstop1h 07m

Rock Springs Sweetwater County

mié. 9/17

5:45 am-6:54 am

Nonstop1h 09m

$261

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

mié. 8/27

12:10 pm-1:23 pm

Nonstop1h 13m

Rock Springs Sweetwater County

sáb. 8/30

5:45 am-6:54 am

Nonstop1h 09m

$395

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

jue. 8/21

12:10 pm-1:23 pm

Nonstop1h 13m

Rock Springs Sweetwater County

vie. 8/22

5:45 am-6:54 am

Nonstop1h 09m

$595

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

mié. 8/20

12:10 pm-1:23 pm

Nonstop1h 13m

Rock Springs Sweetwater County

jue. 8/21

1:58 pm-3:12 pm

Nonstop1h 14m

$595

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

mar. 9/30

9:00 pm-10:07 pm

Nonstop1h 07m

$198

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

vie. 9/12

9:04 pm-10:11 pm

Nonstop1h 07m

$198

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

dom. 9/14

9:04 pm-10:11 pm

Nonstop1h 07m

$198

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

lun. 8/18

9:04 pm-10:13 pm

Nonstop1h 09m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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 agosto 14, 2025.

It’s typically best to fly out from Denver to Rock Springs in the morning. Doing so could potentially save you 13% on the flight price compared to flying at noon, which is usually more expensive.

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 agosto 14, 2025.
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
8,916 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

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
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

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 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 07m 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 $220 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 (59%), United Airlines (59%), Copa Airlines( 42%).

  • 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$220Average$340FlexibilityNo cancel feeOn-time69%

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