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 11 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 $220 (last 72 hours, from Denver Intl, to Rock Springs). United Airlines has a score of 7.4 from 9,163 user reviews on momondo.

$241 Cheap Flights to Rock Springs in 2026

Flights to Rock Springs Sweetwater County

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

12:10 pm - 1:28 pm

DEN

RKS

1h 18mnonstop

2:08 pm - 3:34 pm

RKS

DEN

1h 26mnonstop

$241United Airlines

Thu, Jan 29 - Mon, Feb 2

6:30 am - 1:30 pm

SFO

RKS

6h 00m

1 stop

2:05 pm - 7:45 pm

RKS

SFO

6h 40m

1 stop

$258United Airlines

Wed, Jun 10 - Sat, Jun 13

12:15 pm - 1:33 pm

DEN

RKS

1h 18mnonstop

2:10 pm - 3:40 pm

RKS

DEN

1h 30mnonstop

$261United Airlines

Sat, Feb 28 - Wed, Mar 4

8:30 am - 1:28 pm

PHX

RKS

4h 58m

1 stop

2:08 pm - 7:45 pm

RKS

PHX

5h 37m

1 stop

$268United Airlines

Wed, Jan 28 - Sun, Feb 1

11:35 am - 10:15 pm

PHX

RKS

10h 40m

2 stops

5:15 am - 11:49 am

RKS

PHX

6h 34m

1 stop

$274United Airlines

Wed, Jan 28 - Sun, Feb 1

4:27 pm - 10:13 pm

ATL

RKS

7h 46m

1 stop

2:10 pm - 10:34 pm

RKS

ATL

6h 24m

1 stop

$278United Airlines

Fri, Feb 20 - Sat, Feb 28

11:35 am - 10:15 pm

PHX

RKS

10h 40m

2 stops

2:08 pm - 10:40 pm

RKS

PHX

8h 32m

2 stops

$279United Airlines

Wed, Jan 28 - Sun, Feb 1

2:39 pm - 10:13 pm

ATL

RKS

9h 34m

2 stops

2:10 pm - 10:34 pm

RKS

ATL

6h 24m

1 stop

$284United Airlines

Fri, Feb 20 - Sat, Feb 28

5:10 am - 1:33 pm

SFO

RKS

7h 23m

1 stop

2:10 pm - 7:55 pm

RKS

SFO

6h 45m

1 stop

$328United Airlines

Tue, Feb 24 - Sat, Feb 28

4:31 pm - 10:15 pm

PHX

RKS

5h 44m

1 stop

5:15 am - 9:54 am

RKS

PHX

4h 39m

1 stop

$328United Airlines

Tue, Feb 3 - Sat, Feb 7

Fly from

Route

Depart

Return

Price

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Thu 1/29

12:10 pm-1:28 pm

Nonstop1h 18m

Rock Springs Sweetwater County

Mon 2/2

2:08 pm-3:34 pm

Nonstop1h 26m

$241

San FranciscoRock Springs

SFO - RKS

SFORKS

San Francisco

Wed 6/10

6:30 am-1:30 pm

1 stop6h 00m

Rock Springs Sweetwater County

Sat 6/13

2:05 pm-7:45 pm

1 stop6h 40m

$258

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sat 2/28

12:15 pm-1:33 pm

Nonstop1h 18m

Rock Springs Sweetwater County

Wed 3/4

2:10 pm-3:40 pm

Nonstop1h 30m

$261

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Wed 1/28

8:30 am-1:28 pm

1 stop4h 58m

Rock Springs Sweetwater County

Sun 2/1

2:08 pm-7:45 pm

1 stop5h 37m

$268

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Wed 1/28

11:35 am-10:15 pm

2 stops10h 40m

Rock Springs Sweetwater County

Sun 2/1

5:15 am-11:49 am

1 stop6h 34m

$274

AtlantaRock Springs

ATL - RKS

ATLRKS

Atlanta Hartsfield-Jackson

Fri 2/20

4:27 pm-10:13 pm

1 stop7h 46m

Rock Springs Sweetwater County

Sat 2/28

2:10 pm-10:34 pm

1 stop6h 24m

$278

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Wed 1/28

11:35 am-10:15 pm

2 stops10h 40m

Rock Springs Sweetwater County

Sun 2/1

2:08 pm-10:40 pm

2 stops8h 32m

$279

AtlantaRock Springs

ATL - RKS

ATLRKS

Atlanta Hartsfield-Jackson

Fri 2/20

2:39 pm-10:13 pm

2 stops9h 34m

Rock Springs Sweetwater County

Sat 2/28

2:10 pm-10:34 pm

1 stop6h 24m

$284

San FranciscoRock Springs

SFO - RKS

SFORKS

San Francisco

Tue 2/24

5:10 am-1:33 pm

1 stop7h 23m

Rock Springs Sweetwater County

Sat 2/28

2:10 pm-7:55 pm

1 stop6h 45m

$328

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Tue 2/3

4:31 pm-10:15 pm

1 stop5h 44m

Rock Springs Sweetwater County

Sat 2/7

5:15 am-9:54 am

1 stop4h 39m

$328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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	$298
Best Round-Trip Price	$241
Fastest flight time	1h 18m

The best one-way flight price to Rock Springs from United States in the last 72 hours is $298 (Denver Intl to Rock Springs Sweetwater County).

Search Deals

The best round-trip flight price to Rock Springs from United States in the last 72 hours is $241 (Denver Intl to Rock Springs Sweetwater County).

Search Deals

The fastest flight to Rock Springs from United States takes 1h 18m (Denver Intl to Rock Springs Sweetwater County).

Search Deals

Frequently asked questions about flying to Rock Springs

When are the weather conditions best for skiing in Rock Springs?

momondo users looking to go skiing in Rock Springs find that January is more than likely the best time to hit the slopes. The lower temperatures in the area mixed with a higher chance of snow make mountains like Jackson Hole Mountain Resort the perfect place for a vacation. Many momondo users planning trips to multiple ski mountains or resorts in the Rock Springs area will check out Grand Targhee as well.

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 January 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.

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.