How many flights depart from Rock Springs to United States on average per week?

The number of flights available between Rock Springs and United States is 21 per week as of October 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

What is the cheapest airline that flies from Rock Springs Sweetwater County to United States?

United Airlines is the most popular carrier operating from Rock Springs Sweetwater County to United States

When did momondo last update prices for flights from Rock Springs Sweetwater County Airport to United States?

Prices for flights from Rock Springs Sweetwater County Airport to United States are refreshed on a daily basis.

How many operators does momondo search for flights from Rock Springs Sweetwater County Airport to United States?

There is 1 operator available for flights from Rock Springs Sweetwater County Airport to United States as of October 2026.

How old do you have to be to fly from Rock Springs Sweetwater County Airport to United States?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rock Springs Sweetwater County Airport to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$198 Cheap Flights from Rock Springs to the United States in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rock Springs to the United States

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:22 pm - 3:40 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

9:10 pm - 10:20 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 10mnonstop

$261United Airlines

Thu, Oct 22 - Thu, Oct 29

5:00 am - 6:25 amRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 25mnonstop

12:35 pm - 1:48 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 13mnonstop

$261United Airlines

Thu, Nov 12 - Tue, Nov 17

2:22 pm - 3:40 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

9:10 pm - 10:20 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 10mnonstop

$261United Airlines

Fri, Oct 16 - Fri, Oct 30

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

1h 25mnonstop

9:10 pm - 10:20 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 10mnonstop

$261United Airlines

Sat, Nov 7 - Wed, Nov 11

5:00 am - 6:25 amRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 25mnonstop

12:35 pm - 1:48 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 13mnonstop

$281United Airlines

Thu, Nov 12 - Sun, Nov 15

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

1h 25mnonstop

12:35 pm - 1:48 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 13mnonstop

$281United Airlines

Wed, Nov 11 - Mon, Nov 16

5:05 am - 6:23 amRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

9:10 pm - 10:20 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 10mnonstop

$281United Airlines

Thu, Oct 15 - Tue, Oct 27

2:22 pm - 3:40 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

9:10 pm - 10:20 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 10mnonstop

$281United Airlines

Fri, Oct 16 - Tue, Oct 27

2:22 pm - 3:40 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

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

1h 14mnonstop

$281United Airlines

Mon, Oct 19 - Fri, Oct 30

2:23 pm - 6:38 pmRKS Rock Springs Sweetwater County-LAS Las Vegas Harry Reid Intl

5h 15m1 stop Denver Intl

7:00 am - 1:48 pmLAS Las Vegas Harry Reid Intl-RKS Rock Springs Sweetwater County

5h 48m1 stop Denver Intl

$328United Airlines

Sat, Nov 7 - Tue, Nov 10

Cheap last minute flights

Enter your travel dates to find the best prices.

2:22 pm - 8:32 pmRKS Rock Springs Sweetwater County-MSP Minneapolis St Paul

5h 10m1 stop Denver Intl

6:00 am - 1:48 pmMSP Minneapolis St Paul-RKS Rock Springs Sweetwater County

8h 48m2 stops Chicago O'Hare Intl Denver Intl

$394United Airlines

Tue, Oct 6 - Tue, Nov 10

5:05 am - 3:53 pmRKS Rock Springs Sweetwater County-MSP Minneapolis St Paul

9h 48m2 stops Denver Intl Chicago O'Hare Intl

6:00 am - 1:48 pmMSP Minneapolis St Paul-RKS Rock Springs Sweetwater County

8h 48m2 stops Chicago O'Hare Intl Denver Intl

$399United Airlines

Tue, Oct 6 - Tue, Nov 10

2:22 pm - 8:32 pmRKS Rock Springs Sweetwater County-MSP Minneapolis St Paul

5h 10m1 stop Denver Intl

4:58 pm - 10:20 pmMSP Minneapolis St Paul-RKS Rock Springs Sweetwater County

6h 22m1 stop Denver Intl

$411United Airlines

Tue, Oct 6 - Tue, Nov 10

5:05 am - 10:45 amRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

4h 40m1 stop Denver Intl

6:21 pm - 10:21 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

5h 00m1 stop Denver Intl

$448United Airlines

Thu, Oct 8 - Sun, Oct 11

2:22 pm - 8:11 pmRKS Rock Springs Sweetwater County-LAS Las Vegas Harry Reid Intl

6h 49m1 stop Denver Intl

2:23 pm - 10:21 pmLAS Las Vegas Harry Reid Intl-RKS Rock Springs Sweetwater County

6h 58m2 stops Los Angeles Denver Intl

$454United Airlines

Sat, Oct 10 - Sun, Oct 11

5:05 am - 10:45 amRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

4h 40m1 stop Denver Intl

5:15 am - 1:42 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

9h 27m2 stops Houston George Bush Intcntl Denver Intl

$454United Airlines

Thu, Oct 8 - Sun, Oct 11

2:22 pm - 10:59 pmRKS Rock Springs Sweetwater County-DFW Dallas/Fort Worth

7h 37m2 stops Denver Intl Houston George Bush Intcntl

3:57 pm - 10:21 pmDFW Dallas/Fort Worth-RKS Rock Springs Sweetwater County

7h 24m2 stops Houston George Bush Intcntl Denver Intl

$459United Airlines

Thu, Oct 8 - Sun, Oct 11

2:22 pm - 8:42 pmRKS Rock Springs Sweetwater County-SAT San Antonio

5h 20m1 stop Denver Intl

9:00 am - 1:42 pmSAT San Antonio-RKS Rock Springs Sweetwater County

5h 42m1 stop Denver Intl

$498United Airlines

Thu, Oct 8 - Sun, Oct 11

2:22 pm - 8:42 pmRKS Rock Springs Sweetwater County-SAT San Antonio

5h 20m1 stop Denver Intl

11:47 am - 10:21 pmSAT San Antonio-RKS Rock Springs Sweetwater County

11h 34m2 stops Houston George Bush Intcntl Denver Intl

$504United Airlines

Thu, Oct 8 - Sun, Oct 11

2:22 pm - 10:51 pmRKS Rock Springs Sweetwater County-SAT San Antonio

7h 29m2 stops Denver Intl Houston George Bush Intcntl

2:25 pm - 10:21 pmSAT San Antonio-RKS Rock Springs Sweetwater County

8h 56m2 stops Houston George Bush Intcntl Denver Intl

$509United Airlines

Thu, Oct 8 - Sun, Oct 11

Cheap direct flights

Enter your travel dates to find the best prices.

2:22 pm - 3:40 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

9:10 pm - 10:20 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 10mnonstop

$261United Airlines

Thu, Oct 22 - Thu, Oct 29

5:00 am - 6:25 amRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 25mnonstop

12:35 pm - 1:48 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 13mnonstop

$261United Airlines

Thu, Nov 12 - Tue, Nov 17

2:22 pm - 3:40 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

9:10 pm - 10:20 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 10mnonstop

$261United Airlines

Fri, Oct 16 - Fri, Oct 30

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

1h 25mnonstop

9:10 pm - 10:20 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 10mnonstop

$261United Airlines

Sat, Nov 7 - Wed, Nov 11

5:00 am - 6:25 amRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 25mnonstop

12:35 pm - 1:48 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 13mnonstop

$281United Airlines

Thu, Nov 12 - Sun, Nov 15

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

1h 25mnonstop

12:35 pm - 1:48 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 13mnonstop

$281United Airlines

Wed, Nov 11 - Mon, Nov 16

5:05 am - 6:23 amRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

9:10 pm - 10:20 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 10mnonstop

$281United Airlines

Thu, Oct 15 - Tue, Oct 27

2:22 pm - 3:40 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

9:10 pm - 10:20 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 10mnonstop

$281United Airlines

Fri, Oct 16 - Tue, Oct 27

2:22 pm - 3:40 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 18mnonstop

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

1h 14mnonstop

$281United Airlines

Mon, Oct 19 - Fri, Oct 30

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United Airlines flights from Rock Springs to United States

Our best United Airlines deals on Rock Springs to United States flight tickets

United Airlines

Oct 22

RKS2:22 pmRock Springs Sweetwater County

1h 18m

DEN3:40 pmDenver Intl

Oct 29

DEN9:10 pmDenver Intl

1h 10m

RKS10:20 pmRock Springs Sweetwater County

$261

United Airlines

Nov 7

RKS2:23 pmRock Springs Sweetwater County

1h 25m

DEN3:48 pmDenver Intl

Nov 13

DEN9:10 pmDenver Intl

1h 10m

RKS10:20 pmRock Springs Sweetwater County

$281

United Airlines

Oct 15

RKS5:05 amRock Springs Sweetwater County

1h 18m

DEN6:23 amDenver Intl

Nov 2

DEN9:10 pmDenver Intl

1h 10m

RKS10:20 pmRock Springs Sweetwater County

$311

momondo Fare Finder

Use the filters below to find and compare flights from Rock Springs to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Thu 10/22

2:22 pm-3:40 pm

Nonstop1h 18m

Denver Intl

Thu 10/29

9:10 pm-10:20 pm

Nonstop1h 10m

$261

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Thu 11/12

5:00 am-6:25 am

Nonstop1h 25m

Denver Intl

Tue 11/17

12:35 pm-1:48 pm

Nonstop1h 13m

$261

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Fri 10/16

2:22 pm-3:40 pm

Nonstop1h 18m

Denver Intl

Fri 10/30

9:10 pm-10:20 pm

Nonstop1h 10m

$261

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Sat 11/7

2:23 pm-3:48 pm

Nonstop1h 25m

Denver Intl

Wed 11/11

9:10 pm-10:20 pm

Nonstop1h 10m

$261

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Thu 11/12

5:00 am-6:25 am

Nonstop1h 25m

Denver Intl

Sun 11/15

12:35 pm-1:48 pm

Nonstop1h 13m

$281

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Wed 11/11

2:23 pm-3:48 pm

Nonstop1h 25m

Denver Intl

Mon 11/16

12:35 pm-1:48 pm

Nonstop1h 13m

$281

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Thu 10/15

5:05 am-6:23 am

Nonstop1h 18m

Denver Intl

Tue 10/27

9:10 pm-10:20 pm

Nonstop1h 10m

$281

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Fri 10/16

2:22 pm-3:40 pm

Nonstop1h 18m

Denver Intl

Tue 10/27

9:10 pm-10:20 pm

Nonstop1h 10m

$281

Rock SpringsDenver

RKS Rock Springs Sweetwater County - DEN Denver Intl

RKSDEN

Rock Springs Sweetwater County

Mon 10/19

2:22 pm-3:40 pm

Nonstop1h 18m

Denver Intl

Fri 10/30

12:30 pm-1:44 pm

Nonstop1h 14m

$281

Rock SpringsLas Vegas

RKS Rock Springs Sweetwater County - LAS Las Vegas Harry Reid Intl

RKSLAS

Rock Springs Sweetwater County

Sat 11/7

2:23 pm-6:38 pm

1 stop5h 15m

Las Vegas Harry Reid Intl

Tue 11/10

7:00 am-1:48 pm

1 stop5h 48m

$328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Rock Springs to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to United States?

In general, January is the cheapest month to fly from Rock Springs to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $323. If you aren’t able to travel during the month of January, then book flights to United States from Rock Springs during February instead. Flights to United States in February, while not as cheap as those in January, still average around $340.

Can stopping save me money on Rock Springs to United States flights?

No. A direct flight is the cheapest option for a flight between Rock Springs to United States.

Cheap Rock Springs to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rock Springs to United States

Best Price Found	$198
Fastest flight time	1h 18m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in United States	4,301 airports

The best one-way flight to United States from Rock Springs in the past 72 hours is $198. The best round-trip flight deal from Rock Springs to United States found on momondo in the last 72 hours is $261.

The fastest flight from Rock Springs to United States takes 1h 18m

Direct flights go from Rock Springs to United States on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.

There are 4,301 airports in United States. From Rock Springs there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Rock Springs to the United States

When did momondo last update prices for flights from Rock Springs Sweetwater County Airport to United States?
Prices for flights from Rock Springs Sweetwater County Airport to United States are refreshed on a daily basis.
How many operators does momondo search for flights from Rock Springs Sweetwater County Airport to United States?
There is 1 operator available for flights from Rock Springs Sweetwater County Airport to United States as of October 2026.
How old do you have to be to fly from Rock Springs Sweetwater County Airport to United States?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rock Springs Sweetwater County Airport to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Rock Springs to United States?
momondo data reveals that the most frequently booked plane model on the route from Rock Springs to United States is Canadair (Bombardier) Regional Jet 200, representing 52.17% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet at 26.09%, Britten-Norman BN-2/BN-2A/BN-2B Islander at 8.70%, and Tecnam P2012 Traveler at 8.70%.

Best airlines flying from Rock Springs to United States

Compare and see reviews for airlines that fly from Rock Springs to United States with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 10,285 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Rock Springs to United States?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rock Springs to United States. momondo saves you time and could save you money on your trip.

Can I find flights from Rock Springs to United States with flexible booking policies on momondo?

All flight searches from Rock Springs to United States on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Rock Springs to United States?

Once all potential Rock Springs to United States flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Rock Springs to United States right now. Can momondo alert me if prices change?

Price alerts on flights to United States from Rock Springs are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.