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Flights to Rock Springs Sweetwater County

$198 Cheap flights to Rock Springs

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Rock Springs departing on 10/1. 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

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Find the cheapest flights from the United States to Rock Springs

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
United Airlines Logo
2:22 pm - 3:40 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$261United Airlines
Wed, Oct 14 - Mon, Oct 19
United Airlines Logo
12:35 pm - 1:47 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
United Airlines Logo
2:22 pm - 3:40 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$261United Airlines
Thu, Sep 10 - Thu, Sep 17
United Airlines Logo
12:35 pm - 1:47 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
United Airlines Logo
2:22 pm - 3:40 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$261United Airlines
Thu, Aug 20 - Sun, Aug 23
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$281United Airlines
Thu, Sep 17 - Sun, Sep 20
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$281United Airlines
Wed, Sep 2 - Sun, Sep 6
United Airlines Logo
12:35 pm - 1:47 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
United Airlines Logo
2:22 pm - 3:40 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$281United Airlines
Thu, Sep 17 - Sun, Sep 20
United Airlines Logo
7:30 am - 1:42 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
5h 12m1 stop Denver Intl
United Airlines Logo
2:23 pm - 8:37 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
7h 14m1 stop Denver Intl
$308United Airlines
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
6:47 pm - 10:21 pmDFW  Dallas/Fort Worth-RKS Rock Springs Sweetwater County
4h 34m1 stop Denver Intl
United Airlines Logo
2:22 pm - 8:38 pmRKS  Rock Springs Sweetwater County-DFW Dallas/Fort Worth
5h 16m1 stop Denver Intl
$308United Airlines
Thu, Sep 3 - Thu, Sep 10
United Airlines Logo
6:47 pm - 10:21 pmDFW  Dallas/Fort Worth-RKS Rock Springs Sweetwater County
4h 34m1 stop Denver Intl
United Airlines Logo
5:05 am - 10:44 amRKS  Rock Springs Sweetwater County-DFW Dallas/Fort Worth
4h 39m1 stop Denver Intl
$308United Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$311United Airlines
Thu, Sep 17 - Sun, Sep 20

momondo Fare Finder

 
Locate flights to Rock Springs Sweetwater County that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on August 8, 2026.
Use the filters below to find and compare flights to Rock Springs that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Wed 10/14

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Mon 10/19

2:22 pm-3:40 pm

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/10

12:35 pm-1:47 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Thu 9/17

2:22 pm-3:40 pm

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 8/20

12:35 pm-1:47 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Sun 8/23

2:22 pm-3:40 pm

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/17

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sun 9/20

5:05 am-6:23 am

Nonstop1h 18m

$281

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Wed 9/2

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sun 9/6

5:05 am-6:23 am

Nonstop1h 18m

$281

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/17

12:35 pm-1:47 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Sun 9/20

2:22 pm-3:40 pm

Nonstop1h 18m

$281

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Sat 10/24

7:30 am-1:42 pm

1 stop5h 12m

Rock Springs Sweetwater County

Sat 10/31

2:23 pm-8:37 pm

1 stop7h 14m

$308

DallasRock Springs

DFW Dallas/Fort Worth - RKS Rock Springs Sweetwater County

DFWRKS

Dallas/Fort Worth

Thu 9/3

6:47 pm-10:21 pm

1 stop4h 34m

Rock Springs Sweetwater County

Thu 9/10

2:22 pm-8:38 pm

1 stop5h 16m

$308

DallasRock Springs

DFW Dallas/Fort Worth - RKS Rock Springs Sweetwater County

DFWRKS

Dallas/Fort Worth

Wed 9/2

6:47 pm-10:21 pm

1 stop4h 34m

Rock Springs Sweetwater County

Wed 9/9

5:05 am-10:44 am

1 stop4h 39m

$308

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/17

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sun 9/20

5:05 am-6:23 am

Nonstop1h 18m

$311

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
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Cheap Rock Springs flight deals and tips

Summary info about Rock Springs flight prices, duration and airlines

Best One-Way Price

$198

Best Round-Trip Price

$261

Fastest flight time

1h 12m
The best one-way flight price to Rock Springs from United States in the last 5 days is $198 (Denver Intl to Rock Springs Sweetwater County).
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The best round-trip flight price to Rock Springs from United States in the last 5 days is $261 (Denver Intl to Rock Springs Sweetwater County).
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The fastest flight to Rock Springs from United States takes 1h 12m (Denver Intl to Rock Springs Sweetwater County).
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Frequently asked questions about flying to Rock Springs

Is there an alternative airport near Rock Springs?

Those flying to Rock Springs could potentially find better pricing at Vernal Regional Airport (81 mi from Rock Springs city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into Rock Springs?

You can find deals at Vernal Regional Airport for $72 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Rock Springs Sweetwater County Airport?

Prices for flights to Rock Springs Sweetwater County Airport refresh daily.

How many operators does momondo search for flights to Rock Springs Sweetwater County Airport?

There is 1 operator available for flights to Rock Springs Sweetwater County Airport as of August 2026.

How old do you have to be to fly to Rock Springs Sweetwater County Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Rock Springs Sweetwater County Airport.

What documentation or ID do you need to fly to Rock Springs Sweetwater County Airport?

The travel and health documents required for your trip to Rock Springs Sweetwater County 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 Rock Springs Sweetwater County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Rock Springs?

Book flights to Rock Springs if you plan to visit one of these locations
Green River

Why use momondo?

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

It is quick and easy to find flights to Rock Springs on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Rock Springs that suits you.

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

Yes. momondo allows you to filter the results for flights to Rock Springs to just show those with flexible booking policies.

How can momondo help me find flights to Rock Springs?

Once you have performed a search for flights to Rock Springs, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track flight prices for Rock Springs and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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