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 13 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 10,104 user reviews on momondo.

$197 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.

12:30 pm - 1:44 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 14mnonstop

2:23 pm - 3:48 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 25mnonstop

$261United Airlines

Mon, Nov 23 - Fri, Nov 27

12:48 pm - 2:00 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, Sep 3 - Sun, Sep 6

12:48 pm - 2:00 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, Sep 3 - Mon, Sep 7

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

Sat, Aug 29 - Sun, Aug 30

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

$280United Airlines

Sat, Oct 3 - Sat, Oct 10

12:15 pm - 1:30 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 15mnonstop

5:25 am - 6:53 amRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 28mnonstop

$281United Airlines

Thu, Dec 31 - Mon, Jan 4

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

4:49 pm - 10:21 pmPHX Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County

4h 32m1 stop Denver Intl

5:05 am - 9:04 amRKS Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl

4h 59m1 stop Denver Intl

$308United Airlines

Fri, Sep 18 - Sun, Sep 20

6:00 am - 1:42 pmPHX Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County

6h 42m1 stop Denver Intl

5:05 am - 9:07 amRKS Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl

5h 02m1 stop Denver Intl

$308United Airlines

Thu, Sep 24 - 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 - 9:07 amRKS Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl

5h 02m1 stop Denver Intl

$308United Airlines

Fri, Sep 25 - Sun, Sep 27

Cheap last minute 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

2:35 pm - 3:51 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 16mnonstop

$361United Airlines

Thu, Aug 20 - Wed, Aug 26

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

$361United Airlines

Fri, Aug 21 - Wed, Aug 26

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

$361United Airlines

Fri, Aug 21 - Tue, Aug 25

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

$361United Airlines

Fri, Aug 21 - Sun, Aug 23

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

$361United Airlines

Sat, Aug 22 - Sun, Aug 23

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

$361United Airlines

Sat, Aug 22 - Mon, Aug 24

12:48 pm - 2:00 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

$361United Airlines

Sat, Aug 22 - Wed, Aug 26

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

$361United Airlines

Thu, Aug 20 - Tue, Aug 25

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

$361United Airlines

Fri, Aug 21 - Mon, Aug 24

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

$361United Airlines

Thu, Aug 20 - Sun, Aug 23

Fly from

Route

Depart

Return

Price

Cheapest round-trip

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Mon 11/23

12:30 pm-1:44 pm

Nonstop1h 14m

Rock Springs Sweetwater County

Fri 11/27

2:23 pm-3:48 pm

Nonstop1h 25m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/3

12:48 pm-2:00 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Sun 9/6

5:05 am-6:23 am

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/3

12:48 pm-2:00 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Mon 9/7

5:05 am-6:23 am

Nonstop1h 18m

$261

Quickest round-trip

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Sat 8/29

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sun 8/30

5:05 am-6:23 am

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Sat 10/3

12:30 pm-1:42 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Sat 10/10

5:05 am-6:23 am

Nonstop1h 18m

$280

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 12/31

12:15 pm-1:30 pm

Nonstop1h 15m

Rock Springs Sweetwater County

Mon 1/4

5:25 am-6:53 am

Nonstop1h 28m

$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 9/18

4:49 pm-10:21 pm

1 stop4h 32m

Rock Springs Sweetwater County

Sun 9/20

5:05 am-9:04 am

1 stop4h 59m

$308

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Thu 9/24

6:00 am-1:42 pm

1 stop6h 42m

Rock Springs Sweetwater County

Sun 9/27

5:05 am-9:07 am

1 stop5h 02m

$308

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Fri 9/25

4:29 pm-10:21 pm

1 stop4h 52m

Rock Springs Sweetwater County

Sun 9/27

5:05 am-9:07 am

1 stop5h 02m

$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	$197
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 $197 (Denver Intl to Rock Springs Sweetwater County).

Search Deals

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 $69 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.

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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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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.

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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.