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

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 March 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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 March 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

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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.

2:15 pm - 3:36 pm

RKS

DEN

1h 21mnonstop

9:00 pm - 10:15 pm

DEN

RKS

1h 15mnonstop

$241United Airlines

Fri, Apr 3 - Fri, Apr 10

2:15 pm - 3:36 pm

RKS

DEN

1h 21mnonstop

9:00 pm - 10:15 pm

DEN

RKS

1h 15mnonstop

$261United Airlines

Tue, Apr 7 - Fri, May 8

2:15 pm - 3:36 pm

RKS

DEN

1h 21mnonstop

12:15 pm - 1:30 pm

DEN

RKS

1h 15mnonstop

$291United Airlines

Fri, Apr 17 - Mon, Apr 20

2:15 pm - 3:36 pm

RKS

DEN

1h 21mnonstop

12:15 pm - 1:30 pm

DEN

RKS

1h 15mnonstop

$313United Airlines

Fri, May 15 - Sun, May 17

5:25 am - 9:06 am

RKS

LAS

4h 41m

1 stop

4:37 pm - 10:01 pm

LAS

RKS

4h 24m

1 stop

$318United Airlines

Sat, Aug 22 - Tue, Aug 25

2:15 pm - 3:36 pm

RKS

DEN

1h 21mnonstop

9:00 pm - 10:15 pm

DEN

RKS

1h 15mnonstop

$318United Airlines

Wed, Apr 1 - Mon, Apr 6

5:15 am - 9:21 am

RKS

LAX

5h 06m

1 stop

5:00 am - 1:30 pm

LAX

RKS

7h 30m

1 stop

$318United Airlines

Wed, Apr 8 - Wed, Apr 15

2:05 pm - 11:55 pm

RKS

LAS

10h 50m

2 stops

4:37 pm - 10:01 pm

LAS

RKS

4h 24m

1 stop

$324United Airlines

Sat, Aug 22 - Tue, Aug 25

5:05 am - 2:16 pm

RKS

LAS

10h 11m

2 stops

5:30 am - 1:31 pm

LAS

RKS

7h 01m

1 stop

$326United Airlines

Thu, Jul 30 - Sun, Aug 2

5:15 am - 9:46 am

RKS

SEA

5h 31m

1 stop

3:48 pm - 10:15 pm

SEA

RKS

5h 27m

1 stop

$328United Airlines

Fri, Apr 3 - Tue, Apr 7

United Airlines flights from Rock Springs to United States

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

United Airlines

Apr 3

RKS2:15 pmRock Springs Sweetwater County

1h 21m

DEN3:36 pmDenver Intl

Apr 10

DEN9:00 pmDenver Intl

1h 15m

RKS10:15 pmRock Springs Sweetwater County

$241

United Airlines

Apr 1

RKS2:15 pmRock Springs Sweetwater County

1h 21m

DEN3:36 pmDenver Intl

Apr 7

DEN12:15 pmDenver Intl

1h 15m

RKS1:30 pmRock Springs Sweetwater County

$261

United Airlines

Apr 17

RKS2:15 pmRock Springs Sweetwater County

1h 21m

DEN3:36 pmDenver Intl

Apr 20

DEN12:15 pmDenver Intl

1h 15m

RKS1:30 pmRock Springs Sweetwater County

$291

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 - DEN

RKSDEN

Rock Springs Sweetwater County

Fri 4/3

2:15 pm-3:36 pm

Nonstop1h 21m

Denver Intl

Fri 4/10

9:00 pm-10:15 pm

Nonstop1h 15m

$241

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Tue 4/7

2:15 pm-3:36 pm

Nonstop1h 21m

Denver Intl

Fri 5/8

9:00 pm-10:15 pm

Nonstop1h 15m

$261

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Fri 4/17

2:15 pm-3:36 pm

Nonstop1h 21m

Denver Intl

Mon 4/20

12:15 pm-1:30 pm

Nonstop1h 15m

$291

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Fri 5/15

2:15 pm-3:36 pm

Nonstop1h 21m

Denver Intl

Sun 5/17

12:15 pm-1:30 pm

Nonstop1h 15m

$313

Rock SpringsLas Vegas

RKS - LAS

RKSLAS

Rock Springs Sweetwater County

Sat 8/22

5:25 am-9:06 am

1 stop4h 41m

Las Vegas Harry Reid Intl

Tue 8/25

4:37 pm-10:01 pm

1 stop4h 24m

$318

Rock SpringsDenver

RKS - DEN

RKSDEN

Rock Springs Sweetwater County

Wed 4/1

2:15 pm-3:36 pm

Nonstop1h 21m

Denver Intl

Mon 4/6

9:00 pm-10:15 pm

Nonstop1h 15m

$318

Rock SpringsLos Angeles

RKS - LAX

RKSLAX

Rock Springs Sweetwater County

Wed 4/8

5:15 am-9:21 am

1 stop5h 06m

Los Angeles Los Angeles

Wed 4/15

5:00 am-1:30 pm

1 stop7h 30m

$318

Rock SpringsLas Vegas

RKS - LAS

RKSLAS

Rock Springs Sweetwater County

Sat 8/22

2:05 pm-11:55 pm

2 stops10h 50m

Las Vegas Harry Reid Intl

Tue 8/25

4:37 pm-10:01 pm

1 stop4h 24m

$324

Rock SpringsLas Vegas

RKS - LAS

RKSLAS

Rock Springs Sweetwater County

Thu 7/30

5:05 am-2:16 pm

2 stops10h 11m

Las Vegas Harry Reid Intl

Sun 8/2

5:30 am-1:31 pm

1 stop7h 01m

$326

Rock SpringsSeattle

RKS - SEA

RKSSEA

Rock Springs Sweetwater County

Fri 4/3

5:15 am-9:46 am

1 stop5h 31m

Seattle/Tacoma Intl

Tue 4/7

3:48 pm-10:15 pm

1 stop5h 27m

$328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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	$197
Fastest flight time	1h 13m
Direct flights	Mon, Wed, Thu and Sat
Airports in United States	4,297 airports

The best one-way flight to United States from Rock Springs in the past 72 hours is $197. The best round-trip flight deal from Rock Springs to United States found on momondo in the last 72 hours is $284.

The fastest flight from Rock Springs to United States takes 1h 13m

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

There are 4,297 airports in United States. From Rock Springs there are direct flights to Denver Intl (DEN).

Search flight deals

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 March 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, representing 100.00% of all bookings.

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 $202	Free Cancellation	Rating 7.4 9,455 reviews		Search United Airlines flights

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

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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.