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Cheap flights from Rock Springs to Denver from $261

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rock Springs to Denver departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rock Springs to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:35 pm - 3:51 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 16mnonstop
United Airlines Logo
12:48 pm - 2:00 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
$261United Airlines
Sat, Aug 29 - Sat, Sep 5
United Airlines Logo
2:22 pm - 3:40 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
$261United Airlines
Sat, Oct 17 - Sun, Oct 18
United Airlines Logo
2:05 pm - 3:33 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 28mnonstop
United Airlines Logo
8:46 pm - 10:01 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 15mnonstop
$261United Airlines
Thu, Dec 24 - Mon, Dec 28
United Airlines Logo
2:35 pm - 3:51 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 16mnonstop
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
$261United Airlines
Fri, Aug 28 - Wed, Sep 2
United Airlines Logo
2:35 pm - 3:53 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
$261United Airlines
Sat, Aug 15 - Wed, Aug 19
United Airlines Logo
2:22 pm - 3:40 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
United Airlines Logo
12:30 pm - 1:42 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
$261United Airlines
Sat, Oct 17 - Sun, Oct 18
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
$261United Airlines
Thu, Oct 8 - Mon, Oct 12
United Airlines Logo
2:22 pm - 3:40 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
United Airlines Logo
12:30 pm - 1:42 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
$281United Airlines
Mon, Oct 5 - Sun, Oct 11
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
United Airlines Logo
12:30 pm - 1:42 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
$281United Airlines
Sat, Oct 10 - Wed, Oct 14

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United Airlines flights from Rock Springs to Denver

Our best United Airlines deals on Rock Springs to Denver flight tickets
United Airlines
Aug 15
RKS2:35 pmRock Springs Sweetwater County
1h 18m
DEN3:53 pmDenver Intl
Aug 19
DEN9:10 pmDenver Intl
1h 11m
RKS10:21 pmRock Springs Sweetwater County
$261
United Airlines
Oct 5
RKS2:22 pmRock Springs Sweetwater County
1h 18m
DEN3:40 pmDenver Intl
Oct 11
DEN12:30 pmDenver Intl
1h 12m
RKS1:42 pmRock Springs Sweetwater County
$281
United Airlines
Aug 31
RKS2:35 pmRock Springs Sweetwater County
1h 16m
DEN3:51 pmDenver Intl
Sep 7
DEN9:10 pmDenver Intl
1h 11m
RKS10:21 pmRock Springs Sweetwater County
$283

momondo Fare Finder

 
Customize your flight search to find flights from Rock Springs to Denver 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, momondo users made 832,500 searches. Data last updated August 5, 2026.
Use the filters below to find and compare flights from Rock Springs to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Sat 8/29

2:35 pm-3:51 pm

Nonstop1h 16m

Denver Intl

Sat 9/5

12:48 pm-2:00 pm

Nonstop1h 12m

$261

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Sat 10/17

2:22 pm-3:40 pm

Nonstop1h 18m

Denver Intl

Sun 10/18

9:10 pm-10:21 pm

Nonstop1h 11m

$261

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Thu 12/24

2:05 pm-3:33 pm

Nonstop1h 28m

Denver Intl

Mon 12/28

8:46 pm-10:01 pm

Nonstop1h 15m

$261
Quickest round-trip

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Fri 8/28

2:35 pm-3:51 pm

Nonstop1h 16m

Denver Intl

Wed 9/2

9:10 pm-10:21 pm

Nonstop1h 11m

$261

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Sat 8/15

2:35 pm-3:53 pm

Nonstop1h 18m

Denver Intl

Wed 8/19

9:10 pm-10:21 pm

Nonstop1h 11m

$261

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Sat 10/17

2:22 pm-3:40 pm

Nonstop1h 18m

Denver Intl

Sun 10/18

12:30 pm-1:42 pm

Nonstop1h 12m

$261

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Thu 10/8

5:05 am-6:23 am

Nonstop1h 18m

Denver Intl

Mon 10/12

9:10 pm-10:21 pm

Nonstop1h 11m

$261

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Mon 10/5

2:22 pm-3:40 pm

Nonstop1h 18m

Denver Intl

Sun 10/11

12:30 pm-1:42 pm

Nonstop1h 12m

$281

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Sat 10/10

5:05 am-6:23 am

Nonstop1h 18m

Denver Intl

Wed 10/14

12:30 pm-1:42 pm

Nonstop1h 12m

$281
Cheapest one-way

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Sat 8/15

5:05 am-6:23 am

Nonstop1h 18m

$298

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Rock Springs to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Rock Springs and Denver?

Prices are currently typical for flights on this route.

Typical prices usually range from $260 to $427.
The lowest price recently found on this route was $261.

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Rock Springs is in October. Flight prices, which tend to average around $260, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in October, then you should wait until May to fly from Rock Springs, when ticket prices are also cheap, with an average price of $260.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Saturday when prices can be found for as low as $379. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Monday, with ticket prices averaging around $481.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $385. Flights in the morning are often more expensive with an average ticket price of $437.

What is the cheapest Rock Springs Sweetwater County to Denver Intl flight route?

Fly from Rock Springs Sweetwater County to Denver Intl for the best Rock Springs Sweetwater County - Denver Intl flight prices

What cabin class options are available on Rock Springs to Denver flights?

There are 4 cabin classes available to choose from on Rock Springs to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from Rock Springs to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Rock Springs to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rock Springs to Denver (RKS to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rock Springs to Denver

Best Price Found

$303

Fastest flight time

1h 13m

Direct flights

Mon, Tue and Sun

Airports in Denver

1 airport
The best one-way flight to Denver from Rock Springs in the past 72 hours is $303. The best round-trip flight deal from Rock Springs to Denver found on momondo in the last 72 hours is $360.
The fastest flight from Rock Springs to Denver takes 1h 13m
Direct flights go from Rock Springs to Denver on Monday, Tuesday and Sunday. The only airline offering direct flights is United Airlines.
There is 1 airport in Denver. From Rock Springs there are direct flights to Denver Intl (DEN).
Search flight deals

Frequently asked questions about flying from Rock Springs to Denver

  • How far is Rock Springs Sweetwater County to Denver Intl by plane?

    There are 255.1 mi between Rock Springs Sweetwater County and Denver Intl. 1h 13m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Rock Springs Sweetwater County Airport to Denver Intl Airport?

    Prices for flights from Rock Springs Sweetwater County Airport to Denver Intl Airport are updated daily.

  • How many operators does momondo search for flights from Rock Springs Sweetwater County Airport to Denver Intl Airport?

  • How old do you have to be to fly from Rock Springs Sweetwater County Airport to Denver Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rock Springs Sweetwater County Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Rock Springs to Denver?

  • What is the most popular airline from Rock Springs to Denver?

Best airlines flying from Rock Springs to Denver

Compare and see reviews for airlines that fly from Rock Springs to Denver with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $240Free CancellationRating
7.4
10,058 reviews
Search United Airlines flights

  • United Airlines Flights From Rock Springs to Denver

    United Airlines is one of the most popular airlines flying from Rock Springs to Denver, operating 14 flights/week on average for this route. A good United Airlines flight deal for Rock Springs to Denver starts from $240 round-trip, up to an average price of $290. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Westminster
Longmont
Boulder
Manitou Springs
Lakewood
Greeley
Keystone
Thornton
Cripple Creek
Centennial
Frisco
Englewood
Littleton
Winter Park
Golden

Why use momondo?

Why should I use momondo to find a flight deal from Rock Springs to Denver?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rock Springs to Denver. momondo saves you time and could save you money on your trip.

Can I find flights from Rock Springs to Denver with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Denver from Rock Springs with this policy.

How can momondo help me find flights from Rock Springs to Denver?

momondo provides multiple filters to help you find the best flight to Denver from Rock Springs. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Rock Springs to Denver right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Rock Springs to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.

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