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 12 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 10,169 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.

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

1h 12mnonstop

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

1h 18mnonstop

$261United Airlines

Fri, Sep 18 - Tue, Sep 22

12:30 pm - 1:42 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

$261United Airlines

Thu, Oct 1 - Wed, Oct 7

12:30 pm - 1:42 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 12mnonstop

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

1h 18mnonstop

$261United Airlines

Thu, Oct 1 - Thu, Oct 8

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

Sat, Oct 3 - Mon, Oct 5

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

1h 12mnonstop

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

1h 18mnonstop

$281United Airlines

Thu, Sep 17 - Mon, Sep 21

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

$281United Airlines

Thu, Sep 17 - Mon, Sep 21

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

$281United Airlines

Thu, Sep 17 - Sun, Sep 20

5:47 pm - 10:24 pmPHX Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County

4h 37m1 stop Denver Intl

5:25 am - 11:36 amRKS Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl

6h 11m1 stop Denver Intl

$308United Airlines

Fri, Dec 18 - Sun, Jan 10

7:10 am - 1:44 pmPHX Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County

5h 34m1 stop Denver Intl

2:23 pm - 7:55 pmRKS Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl

5h 32m1 stop Denver Intl

$308United Airlines

Wed, Oct 28 - Mon, Nov 2

5:00 am - 1:42 pmSFO San Francisco-RKS Rock Springs Sweetwater County

7h 42m1 stop Denver Intl

5:05 am - 9:21 amRKS Rock Springs Sweetwater County-SFO San Francisco

5h 16m1 stop Denver Intl

$308United Airlines

Sat, Oct 3 - Wed, Oct 7

Cheap last minute flights

Enter your travel dates to find the best prices.

4:07 pm - 10:21 pmPDX Portland-RKS Rock Springs Sweetwater County

5h 14m1 stop Denver Intl

5:05 am - 9:32 amRKS Rock Springs Sweetwater County-PDX Portland

5h 27m1 stop Denver Intl

$428United Airlines

Sat, Sep 5 - Mon, Sep 7

11:15 am - 10:21 pmPDX Portland-RKS Rock Springs Sweetwater County

10h 06m2 stops San Francisco Denver Intl

5:05 am - 9:32 amRKS Rock Springs Sweetwater County-PDX Portland

5h 27m1 stop Denver Intl

$434United Airlines

Sat, Sep 5 - Mon, Sep 7

2:37 pm - 10:21 pmMEM Memphis-RKS Rock Springs Sweetwater County

8h 44m2 stops Chicago O'Hare Intl Denver Intl

2:22 pm - 8:42 pmRKS Rock Springs Sweetwater County-MEM Memphis

5h 20m1 stop Denver Intl

$464United Airlines

Wed, Sep 9 - Tue, Sep 15

8:53 am - 2:00 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

6h 07m1 stop Denver Intl

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

8h 37m1 stop Denver Intl

$508United Airlines

Sat, Sep 5 - Tue, Sep 8

10:24 am - 10:21 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

12h 57m2 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

$514United Airlines

Sat, Sep 5 - Tue, Sep 8

4:33 pm - 10:21 pmMEM Memphis-RKS Rock Springs Sweetwater County

6h 48m1 stop Denver Intl

5:05 am - 2:50 pmRKS Rock Springs Sweetwater County-MEM Memphis

8h 45m1 stop Denver Intl

$548United Airlines

Wed, Sep 9 - Tue, Sep 15

6:45 am - 1:47 pmMEM Memphis-RKS Rock Springs Sweetwater County

8h 02m2 stops Houston George Bush Intcntl Denver Intl

2:22 pm - 11:26 pmRKS Rock Springs Sweetwater County-MEM Memphis

8h 04m2 stops Denver Intl Chicago O'Hare Intl

$553United Airlines

Wed, Sep 9 - Tue, Sep 15

7:00 am - 10:21 pmPDX Portland-RKS Rock Springs Sweetwater County

14h 21m2 stops San Francisco Denver Intl

5:05 am - 12:00 pmRKS Rock Springs Sweetwater County-PDX Portland

7h 55m2 stops Denver Intl San Francisco

$664United Airlines

Sat, Sep 5 - Mon, Sep 7

2:26 pm - 10:21 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

8h 55m2 stops Chicago O'Hare Intl Denver Intl

5:05 am - 10:40 pmRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

16h 35m2 stops Denver Intl Chicago O'Hare Intl

$674United Airlines

Sat, Sep 5 - Tue, Sep 8

12:48 pm - 2:00 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 12mnonstop

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

1h 18mnonstop

$795United Airlines

Mon, Sep 7 - Wed, Sep 9

Fly from

Route

Depart

Return

Price

Cheapest round-trip

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Fri 9/18

12:35 pm-1:47 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Tue 9/22

2:22 pm-3:40 pm

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 10/1

12:30 pm-1:42 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Wed 10/7

5:05 am-6:23 am

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 10/1

12:30 pm-1:42 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Thu 10/8

2:22 pm-3:40 pm

Nonstop1h 18m

$261

Quickest round-trip

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Sat 10/3

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Mon 10/5

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

12:35 pm-1:47 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Mon 9/21

2:22 pm-3:40 pm

Nonstop1h 18m

$281

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

Mon 9/21

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

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sun 9/20

5:05 am-6:23 am

Nonstop1h 18m

$281

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Fri 12/18

5:47 pm-10:24 pm

1 stop4h 37m

Rock Springs Sweetwater County

Sun 1/10

5:25 am-11:36 am

1 stop6h 11m

$308

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Wed 10/28

7:10 am-1:44 pm

1 stop5h 34m

Rock Springs Sweetwater County

Mon 11/2

2:23 pm-7:55 pm

1 stop5h 32m

$308

San FranciscoRock Springs

SFO San Francisco - RKS Rock Springs Sweetwater County

SFORKS

San Francisco

Sat 10/3

5:00 am-1:42 pm

1 stop7h 42m

Rock Springs Sweetwater County

Wed 10/7

5:05 am-9:21 am

1 stop5h 16m

$308

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 11m

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 11m (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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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.

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