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 $266 (last 72 hours, from Atlanta Hartsfield-Jackson, to Rock Springs). United Airlines has a score of 7.4 from 9,830 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.

12:15 pm - 1:31 pm

DEN

RKS

1h 16mnonstop

2:16 pm - 3:40 pm

RKS

DEN

1h 24mnonstop

$261United Airlines

sáb., jul. 4 - vie., jul. 10

12:35 pm - 1:47 pm

DEN

RKS

1h 12mnonstop

2:22 pm - 3:40 pm

RKS

DEN

1h 18mnonstop

$281United Airlines

sáb., ago. 29 - mar., sep. 1

12:35 pm - 1:47 pm

DEN

RKS

1h 12mnonstop

5:05 am - 6:23 am

RKS

DEN

1h 18mnonstop

$283United Airlines

sáb., ago. 15 - sáb., ago. 22

9:13 pm - 10:23 pm

DEN

RKS

1h 10mnonstop

5:05 am - 6:18 am

RKS

DEN

1h 13mnonstop

$291United Airlines

mar., jul. 7 - dom., jul. 12

6:45 pm - 10:23 pm

DFW

RKS

4h 38m

1 stop

2:16 pm - 9:59 pm

RKS

DFW

6h 43m

1 stop

$298United Airlines

dom., jul. 26 - mié., ago. 5

2:32 pm - 10:23 pm

SJC

RKS

6h 51m

1 stop

2:22 pm - 8:57 pm

RKS

SJC

7h 35m

1 stop

$298United Airlines

mié., ago. 5 - mié., ago. 19

4:49 pm - 10:21 pm

PHX

RKS

4h 32m

1 stop

5:05 am - 10:34 am

RKS

PHX

6h 29m

1 stop

$298United Airlines

mié., ago. 26 - dom., ago. 30

10:15 am - 10:21 pm

PHX

RKS

11h 06m

2 stops

5:05 am - 10:34 am

RKS

PHX

6h 29m

1 stop

$304United Airlines

mié., ago. 26 - dom., ago. 30

12:15 pm - 1:31 pm

DEN

RKS

1h 16mnonstop

5:05 am - 6:18 am

RKS

DEN

1h 13mnonstop

$311United Airlines

mar., jul. 7 - dom., jul. 12

6:45 pm - 10:05 pm

DFW

RKS

4h 20m

1 stop

5:05 am - 12:48 pm

RKS

DFW

6h 43m

1 stop

$328United Airlines

vie., jun. 26 - mar., jun. 30

Fly from

Route

Depart

Return

Price

Cheapest round-trip

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

sáb. 7/4

12:15 pm-1:31 pm

Nonstop1h 16m

Rock Springs Sweetwater County

vie. 7/10

2:16 pm-3:40 pm

Nonstop1h 24m

$261

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

sáb. 8/29

12:35 pm-1:47 pm

Nonstop1h 12m

Rock Springs Sweetwater County

mar. 9/1

2:22 pm-3:40 pm

Nonstop1h 18m

$281

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

sáb. 8/15

12:35 pm-1:47 pm

Nonstop1h 12m

Rock Springs Sweetwater County

sáb. 8/22

5:05 am-6:23 am

Nonstop1h 18m

$283

Quickest round-trip

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

mar. 7/7

9:13 pm-10:23 pm

Nonstop1h 10m

Rock Springs Sweetwater County

dom. 7/12

5:05 am-6:18 am

Nonstop1h 13m

$291

DallasRock Springs

DFW - RKS

DFWRKS

Dallas/Fort Worth

dom. 7/26

6:45 pm-10:23 pm

1 stop4h 38m

Rock Springs Sweetwater County

mié. 8/5

2:16 pm-9:59 pm

1 stop6h 43m

$298

San JoseRock Springs

SJC - RKS

SJCRKS

San Jose

mié. 8/5

2:32 pm-10:23 pm

1 stop6h 51m

Rock Springs Sweetwater County

mié. 8/19

2:22 pm-8:57 pm

1 stop7h 35m

$298

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

mié. 8/26

4:49 pm-10:21 pm

1 stop4h 32m

Rock Springs Sweetwater County

dom. 8/30

5:05 am-10:34 am

1 stop6h 29m

$298

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

mié. 8/26

10:15 am-10:21 pm

2 stops11h 06m

Rock Springs Sweetwater County

dom. 8/30

5:05 am-10:34 am

1 stop6h 29m

$304

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

mar. 7/7

12:15 pm-1:31 pm

Nonstop1h 16m

Rock Springs Sweetwater County

dom. 7/12

5:05 am-6:18 am

Nonstop1h 13m

$311

DallasRock Springs

DFW - RKS

DFWRKS

Dallas/Fort Worth

vie. 6/26

6:45 pm-10:05 pm

1 stop4h 20m

Rock Springs Sweetwater County

mar. 6/30

5:05 am-12:48 pm

1 stop6h 43m

$328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 10m

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 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 $186 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 June 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.