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 $248 (last 72 hours, from Atlanta Hartsfield-Jackson, to Rock Springs). United Airlines has a score of 7.4 from 9,579 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.

9:00 pm - 10:15 pm

DEN

RKS

1h 15mnonstop

5:15 am - 6:36 am

RKS

DEN

1h 21mnonstop

$241United Airlines

Thu, Apr 23 - Mon, Apr 27

9:00 pm - 10:15 pm

DEN

RKS

1h 15mnonstop

5:15 am - 6:36 am

RKS

DEN

1h 21mnonstop

$261United Airlines

Sat, May 16 - Mon, May 18

5:15 pm - 10:15 pm

MSO

RKS

5h 00m

1 stop

2:15 pm - 9:30 pm

RKS

MSO

7h 15m

1 stop

$308United Airlines

Sat, Apr 25 - Tue, Apr 28

9:05 pm - 10:15 pm

DEN

RKS

1h 10mnonstop

5:05 am - 6:18 am

RKS

DEN

1h 13mnonstop

$313United Airlines

Thu, Jul 16 - Sun, Jul 19

5:00 am - 1:30 pm

PDX

RKS

7h 30m

1 stop

5:05 am - 9:47 am

RKS

PDX

5h 42m

1 stop

$318United Airlines

Sat, May 16 - Sat, May 23

8:45 am - 1:30 pm

DFW

RKS

5h 45m

1 stop

2:05 pm - 8:51 pm

RKS

DFW

5h 46m

1 stop

$338United Airlines

Thu, Aug 20 - Sat, Aug 22

5:17 am - 1:30 pm

DFW

RKS

9h 13m

2 stops

2:05 pm - 8:51 pm

RKS

DFW

5h 46m

1 stop

$344United Airlines

Thu, Aug 20 - Sat, Aug 22

5:00 am - 1:30 pm

PDX

RKS

7h 30m

1 stop

5:15 am - 9:38 am

RKS

PDX

5h 23m

1 stop

$381United Airlines

Fri, May 8 - Fri, May 15

9:00 pm - 10:15 pm

DEN

RKS

1h 15mnonstop

5:15 am - 6:36 am

RKS

DEN

1h 21mnonstop

$395United Airlines

Mon, Apr 27 - Fri, May 1

5:00 am - 1:30 pm

PDX

RKS

7h 30m

1 stop

5:05 am - 9:48 am

RKS

PDX

5h 43m

1 stop

$398United Airlines

Wed, May 20 - Sun, May 24

Fly from

Route

Depart

Return

Price

Cheapest round-trip

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Thu 4/23

9:00 pm-10:15 pm

Nonstop1h 15m

Rock Springs Sweetwater County

Mon 4/27

5:15 am-6:36 am

Nonstop1h 21m

$241

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sat 5/16

9:00 pm-10:15 pm

Nonstop1h 15m

Rock Springs Sweetwater County

Mon 5/18

5:15 am-6:36 am

Nonstop1h 21m

$261

MissoulaRock Springs

MSO - RKS

MSORKS

Missoula Johnson-Bell Field

Sat 4/25

5:15 pm-10:15 pm

1 stop5h 00m

Rock Springs Sweetwater County

Tue 4/28

2:15 pm-9:30 pm

1 stop7h 15m

$308

Quickest round-trip

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Thu 7/16

9:05 pm-10:15 pm

Nonstop1h 10m

Rock Springs Sweetwater County

Sun 7/19

5:05 am-6:18 am

Nonstop1h 13m

$313

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Sat 5/16

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Sat 5/23

5:05 am-9:47 am

1 stop5h 42m

$318

DallasRock Springs

DFW - RKS

DFWRKS

Dallas/Fort Worth

Thu 8/20

8:45 am-1:30 pm

1 stop5h 45m

Rock Springs Sweetwater County

Sat 8/22

2:05 pm-8:51 pm

1 stop5h 46m

$338

DallasRock Springs

DFW - RKS

DFWRKS

Dallas/Fort Worth

Thu 8/20

5:17 am-1:30 pm

2 stops9h 13m

Rock Springs Sweetwater County

Sat 8/22

2:05 pm-8:51 pm

1 stop5h 46m

$344

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Fri 5/8

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Fri 5/15

5:15 am-9:38 am

1 stop5h 23m

$381

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Mon 4/27

9:00 pm-10:15 pm

Nonstop1h 15m

Rock Springs Sweetwater County

Fri 5/1

5:15 am-6:36 am

Nonstop1h 21m

$395

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Wed 5/20

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Sun 5/24

5:05 am-9:48 am

1 stop5h 43m

$398

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	$241
Fastest flight time	1h 10m

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

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The fastest flight to Rock Springs from United States takes 1h 10m (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 $225 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 April 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 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.