Which airlines fly to Rock Springs?

There may be other airlines that fly to Rock Springs from United States, but the most popular among our users are United Airlines and Contour. These airlines should offer flights to Rock Springs on a routine basis if you’re flying from one of the more popular airports in United States.

United Airlines Flights to Rock Springs

There are 14 United Airlines flights to Rock Springs in a normal week. The most common departure point is Denver Intl and the best United Airlines ticket price seen on momondo is $238 (last 72 hours, from Atlanta Hartsfield-Jackson, to Rock Springs). United Airlines has a score of 7.4 from 10,188 user reviews on momondo.

$198 Cheap Flights to Rock Springs in 2026

Flights to Rock Springs Sweetwater County

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Find the cheapest flights from the United States to Rock Springs

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:10 pm - 10:21 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 11mnonstop

5:05 am - 6:23 amRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

$261United Airlines

Thu, Sep 24 - Mon, Sep 28

9:10 pm - 10:21 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 11mnonstop

2:22 pm - 3:40 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

$261United Airlines

Thu, Sep 24 - Sun, Sep 27

8:46 pm - 10:01 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 15mnonstop

2:05 pm - 3:33 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 28mnonstop

$281United Airlines

Sat, Feb 27 - Wed, Mar 3

5:17 pm - 10:21 pmMSO Missoula Johnson-Bell Field-RKS Rock Springs Sweetwater County

5h 04m1 stop Denver Intl

2:22 pm - 9:32 pmRKS Rock Springs Sweetwater County-MSO Missoula Johnson-Bell Field

7h 10m1 stop Denver Intl

$338United Airlines

Wed, Sep 23 - Sun, Sep 27

4:29 pm - 10:21 pmPHX Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County

4h 52m1 stop Denver Intl

5:05 am - 3:00 pmRKS Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl

10h 55m2 stops Denver Intl Los Angeles

$344United Airlines

Fri, Oct 2 - Sun, Oct 4

10:26 am - 10:21 pmPHX Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County

10h 55m2 stops Los Angeles Denver Intl

5:05 am - 3:00 pmRKS Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl

10h 55m2 stops Denver Intl Los Angeles

$357United Airlines

Fri, Oct 2 - Sun, Oct 4

2:27 pm - 10:01 pmMSO Missoula Johnson-Bell Field-RKS Rock Springs Sweetwater County

7h 34m1 stop Denver Intl

2:05 pm - 9:26 pmRKS Rock Springs Sweetwater County-MSO Missoula Johnson-Bell Field

7h 21m1 stop Denver Intl

$358United Airlines

Sat, Jan 30 - Wed, Feb 3

6:04 pm - 10:20 pmABQ Albuquerque-RKS Rock Springs Sweetwater County

4h 16m1 stop Denver Intl

5:00 am - 12:35 pmRKS Rock Springs Sweetwater County-ABQ Albuquerque

7h 35m1 stop Denver Intl

$358United Airlines

Tue, Nov 10 - Sat, Nov 14

8:53 am - 1:47 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

5h 54m1 stop Denver Intl

5:05 am - 10:45 amRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

4h 40m1 stop Denver Intl

$358United Airlines

Wed, Sep 23 - Sun, Sep 27

11:56 am - 10:21 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

11h 25m2 stops Chicago O'Hare Intl Denver Intl

5:05 am - 10:45 amRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

4h 40m1 stop Denver Intl

$364United Airlines

Wed, Sep 23 - Sun, Sep 27

Cheap last minute flights

Enter your travel dates to find the best prices.

12:35 pm - 1:47 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 12mnonstop

5:05 am - 6:23 amRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

$311United Airlines

Sat, Sep 12 - Sat, Sep 19

5:45 am - 1:47 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

9h 02m1 stop Denver Intl

2:22 pm - 11:59 pmRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

8h 37m1 stop Denver Intl

$493United Airlines

Sat, Sep 12 - Tue, Sep 15

5:45 am - 1:47 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

9h 02m1 stop Denver Intl

2:22 pm - 11:59 pmRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

8h 37m1 stop Denver Intl

$498United Airlines

Sat, Sep 12 - Tue, Sep 15

11:50 am - 10:21 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

11h 31m2 stops Chicago O'Hare Intl Denver Intl

2:22 pm - 11:59 pmRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

8h 37m1 stop Denver Intl

$499United Airlines

Sat, Sep 12 - Tue, Sep 15

11:50 am - 10:21 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

11h 31m2 stops Chicago O'Hare Intl Denver Intl

2:22 pm - 11:59 pmRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

8h 37m1 stop Denver Intl

$504United Airlines

Sat, Sep 12 - Tue, Sep 15

7:00 am - 1:47 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

7h 47m2 stops Houston George Bush Intcntl Denver Intl

5:05 am - 4:57 pmRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

10h 52m2 stops Denver Intl Chicago O'Hare Intl

$509United Airlines

Sat, Sep 12 - Tue, Sep 15

5:00 am - 1:47 pmSFO San Francisco-RKS Rock Springs Sweetwater County

7h 47m1 stop Denver Intl

2:22 pm - 9:12 pmRKS Rock Springs Sweetwater County-SFO San Francisco

7h 50m1 stop Denver Intl

$513United Airlines

Thu, Sep 10 - Tue, Sep 15

8:53 am - 1:47 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

5h 54m1 stop Denver Intl

2:22 pm - 8:38 pmRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

5h 16m1 stop Denver Intl

$513United Airlines

Sat, Sep 12 - Tue, Sep 15

4:49 pm - 10:21 pmLGA New York LaGuardia-RKS Rock Springs Sweetwater County

7h 32m1 stop Denver Intl

5:05 am - 6:25 pmRKS Rock Springs Sweetwater County-LGA New York LaGuardia

11h 20m2 stops Denver Intl Chicago O'Hare Intl

$639United Airlines

Fri, Sep 11 - Sun, Sep 13

3:25 pm - 10:21 pmLGA New York LaGuardia-RKS Rock Springs Sweetwater County

8h 56m2 stops Chicago O'Hare Intl Denver Intl

5:05 am - 6:25 pmRKS Rock Springs Sweetwater County-LGA New York LaGuardia

11h 20m2 stops Denver Intl Chicago O'Hare Intl

$644United Airlines

Fri, Sep 11 - Sun, Sep 13

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

Thu 9/24

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Mon 9/28

5:05 am-6:23 am

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/24

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sun 9/27

2:22 pm-3:40 pm

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Sat 2/27

8:46 pm-10:01 pm

Nonstop1h 15m

Rock Springs Sweetwater County

Wed 3/3

2:05 pm-3:33 pm

Nonstop1h 28m

$281

MissoulaRock Springs

MSO Missoula Johnson-Bell Field - RKS Rock Springs Sweetwater County

MSORKS

Missoula Johnson-Bell Field

Wed 9/23

5:17 pm-10:21 pm

1 stop5h 04m

Rock Springs Sweetwater County

Sun 9/27

2:22 pm-9:32 pm

1 stop7h 10m

$338

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Fri 10/2

4:29 pm-10:21 pm

1 stop4h 52m

Rock Springs Sweetwater County

Sun 10/4

5:05 am-3:00 pm

2 stops10h 55m

$344

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Fri 10/2

10:26 am-10:21 pm

2 stops10h 55m

Rock Springs Sweetwater County

Sun 10/4

5:05 am-3:00 pm

2 stops10h 55m

$357

MissoulaRock Springs

MSO Missoula Johnson-Bell Field - RKS Rock Springs Sweetwater County

MSORKS

Missoula Johnson-Bell Field

Sat 1/30

2:27 pm-10:01 pm

1 stop7h 34m

Rock Springs Sweetwater County

Wed 2/3

2:05 pm-9:26 pm

1 stop7h 21m

$358

AlbuquerqueRock Springs

ABQ Albuquerque - RKS Rock Springs Sweetwater County

ABQRKS

Albuquerque

Tue 11/10

6:04 pm-10:20 pm

1 stop4h 16m

Rock Springs Sweetwater County

Sat 11/14

5:00 am-12:35 pm

1 stop7h 35m

$358

DallasRock Springs

DFW Dallas/Fort Worth - RKS Rock Springs Sweetwater County

DFWRKS

Dallas/Fort Worth

Wed 9/23

8:53 am-1:47 pm

1 stop5h 54m

Rock Springs Sweetwater County

Sun 9/27

5:05 am-10:45 am

1 stop4h 40m

$358

DallasRock Springs

DFW Dallas/Fort Worth - RKS Rock Springs Sweetwater County

DFWRKS

Dallas/Fort Worth

Wed 9/23

11:56 am-10:21 pm

2 stops11h 25m

Rock Springs Sweetwater County

Sun 9/27

5:05 am-10:45 am

1 stop4h 40m

$364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 14m

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 14m (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.

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 September 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.

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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.