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 $266 (last 72 hours, from Atlanta Hartsfield-Jackson, to Rock Springs). United Airlines has a score of 7.4 from 9,726 user reviews on momondo.

$198 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.

12:15 pm - 1:31 pm

DEN

RKS

1h 16mnonstop

5:05 am - 6:18 am

RKS

DEN

1h 13mnonstop

$241United Airlines

Thu, Jun 11 - Wed, Jun 17

9:05 pm - 10:15 pm

DEN

RKS

1h 10mnonstop

5:05 am - 6:18 am

RKS

DEN

1h 13mnonstop

$261United Airlines

Sat, May 30 - Mon, Jun 1

6:00 am - 1:31 pm

PHX

RKS

6h 31m

1 stop

5:05 am - 9:00 am

RKS

PHX

4h 55m

1 stop

$298United Airlines

Wed, Jun 10 - Wed, Jun 17

5:00 am - 1:31 pm

PDX

RKS

7h 31m

1 stop

2:16 pm - 9:10 pm

RKS

PDX

7h 54m

1 stop

$313United Airlines

Wed, May 27 - Wed, Jun 3

7:30 am - 1:31 pm

ATL

RKS

8h 01m

1 stop

2:16 pm - 10:57 pm

RKS

ATL

6h 41m

1 stop

$318United Airlines

Wed, Jun 10 - Wed, Jun 17

12:15 pm - 1:31 pm

DEN

RKS

1h 16mnonstop

5:05 am - 6:18 am

RKS

DEN

1h 13mnonstop

$318United Airlines

Thu, Jun 18 - Sun, Jun 21

11:16 am - 10:15 pm

PDX

RKS

9h 59m

2 stops

2:16 pm - 9:10 pm

RKS

PDX

7h 54m

1 stop

$319United Airlines

Wed, May 27 - Wed, Jun 3

6:45 pm - 10:15 pm

DFW

RKS

4h 30m

1 stop

5:05 am - 10:47 am

RKS

DFW

4h 42m

1 stop

$328United Airlines

Tue, May 26 - Sat, May 30

4:21 pm - 10:05 pm

PHX

RKS

4h 44m

1 stop

5:05 am - 9:00 am

RKS

PHX

4h 55m

1 stop

$353United Airlines

Mon, Jun 22 - Sun, Jun 28

8:50 am - 1:47 pm

ATL

RKS

6h 57m

1 stop

2:22 pm - 10:59 pm

RKS

ATL

6h 37m

1 stop

$354United Airlines

Tue, Aug 18 - Mon, Aug 24

Fly from

Route

Depart

Return

Price

Cheapest round-trip

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Thu 6/11

12:15 pm-1:31 pm

Nonstop1h 16m

Rock Springs Sweetwater County

Wed 6/17

5:05 am-6:18 am

Nonstop1h 13m

$241

Quickest round-trip

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sat 5/30

9:05 pm-10:15 pm

Nonstop1h 10m

Rock Springs Sweetwater County

Mon 6/1

5:05 am-6:18 am

Nonstop1h 13m

$261

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Wed 6/10

6:00 am-1:31 pm

1 stop6h 31m

Rock Springs Sweetwater County

Wed 6/17

5:05 am-9:00 am

1 stop4h 55m

$298

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Wed 5/27

5:00 am-1:31 pm

1 stop7h 31m

Rock Springs Sweetwater County

Wed 6/3

2:16 pm-9:10 pm

1 stop7h 54m

$313

AtlantaRock Springs

ATL - RKS

ATLRKS

Atlanta Hartsfield-Jackson

Wed 6/10

7:30 am-1:31 pm

1 stop8h 01m

Rock Springs Sweetwater County

Wed 6/17

2:16 pm-10:57 pm

1 stop6h 41m

$318

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Thu 6/18

12:15 pm-1:31 pm

Nonstop1h 16m

Rock Springs Sweetwater County

Sun 6/21

5:05 am-6:18 am

Nonstop1h 13m

$318

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Wed 5/27

11:16 am-10:15 pm

2 stops9h 59m

Rock Springs Sweetwater County

Wed 6/3

2:16 pm-9:10 pm

1 stop7h 54m

$319

DallasRock Springs

DFW - RKS

DFWRKS

Dallas/Fort Worth

Tue 5/26

6:45 pm-10:15 pm

1 stop4h 30m

Rock Springs Sweetwater County

Sat 5/30

5:05 am-10:47 am

1 stop4h 42m

$328

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Mon 6/22

4:21 pm-10:05 pm

1 stop4h 44m

Rock Springs Sweetwater County

Sun 6/28

5:05 am-9:00 am

1 stop4h 55m

$353

AtlantaRock Springs

ATL - RKS

ATLRKS

Atlanta Hartsfield-Jackson

Tue 8/18

8:50 am-1:47 pm

1 stop6h 57m

Rock Springs Sweetwater County

Mon 8/24

2:22 pm-10:59 pm

1 stop6h 37m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Rock Springs flights insights and trends

Explore insights for your Rock Springs flight to craft the best travel plan

What is the absolute cheapest flight to Rock Springs?

See prices from:

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).

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 10m (Denver Intl to Rock Springs Sweetwater County).

Search Deals

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 $146 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 May 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.