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Cheap flights from the United States to Rock Springs from $198

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Rock Springs departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Rock Springs

Recent round-trip flight deals from the United States to Rock Springs

Enter your travel dates to find the best prices.
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$261United Airlines
Sat, Aug 29 - Sun, Aug 30
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$261United Airlines
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
12:48 pm - 2:00 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
United Airlines Logo
2:35 pm - 3:51 pmRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 16mnonstop
$281United Airlines
Wed, Sep 2 - Sun, Sep 6
United Airlines Logo
9:10 pm - 10:21 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 11mnonstop
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$281United Airlines
Thu, Sep 17 - Sun, Sep 20
United Airlines Logo
12:48 pm - 2:00 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 12mnonstop
United Airlines Logo
5:05 am - 6:23 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 18mnonstop
$281United Airlines
Thu, Aug 27 - Mon, Aug 31
United Airlines Logo
12:15 pm - 1:30 pmDEN  Denver Intl-RKS Rock Springs Sweetwater County
1h 15mnonstop
United Airlines Logo
5:25 am - 6:53 amRKS  Rock Springs Sweetwater County-DEN Denver Intl
1h 28mnonstop
$281United Airlines
Thu, Dec 31 - Mon, Jan 4
United Airlines Logo
4:49 pm - 10:21 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
4h 32m1 stop Denver Intl
United Airlines Logo
5:05 am - 9:04 amRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
4h 59m1 stop Denver Intl
$308United Airlines
Fri, Sep 18 - Sun, Sep 20
United Airlines Logo
4:29 pm - 10:21 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
4h 52m1 stop Denver Intl
United Airlines Logo
5:05 am - 11:53 amRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
7h 48m2 stops Denver Intl Los Angeles Los Angeles
$314United Airlines
Fri, Oct 2 - Wed, Oct 7
United Airlines Logo
6:00 am - 1:47 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
6h 47m1 stop Denver Intl
United Airlines Logo
5:05 am - 10:37 amRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
6h 32m1 stop Denver Intl
$318United Airlines
Thu, Sep 17 - Sun, Sep 20
United Airlines Logo
8:10 am - 1:44 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
5h 34m1 stop Denver Intl
United Airlines Logo
2:23 pm - 7:55 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
5h 32m1 stop Denver Intl
$319United Airlines
Wed, Nov 25 - Sat, Nov 28

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United Airlines flights from United States to Rock Springs

Our best United Airlines deals on United States to Rock Springs flight tickets
United Airlines
Aug 28
DEN9:10 pmDenver Intl
1h 11m
RKS10:21 pmRock Springs Sweetwater County
Sep 1
RKS5:05 amRock Springs Sweetwater County
1h 18m
DEN6:23 amDenver Intl
$261
United Airlines
Sep 17
DEN9:10 pmDenver Intl
1h 11m
RKS10:21 pmRock Springs Sweetwater County
Sep 20
RKS5:05 amRock Springs Sweetwater County
1h 18m
DEN6:23 amDenver Intl
$281
United Airlines
Sep 3
DEN12:48 pmDenver Intl
1h 12m
RKS2:00 pmRock Springs Sweetwater County
Sep 6
RKS5:05 amRock Springs Sweetwater County
1h 18m
DEN6:23 amDenver Intl
$282

momondo Fare Finder

 
Customize your flight search to find flights from United States to Rock Springs that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 17, 2026.
Use the filters below to find and compare flights from the United States to Rock Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Sat 8/29

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sun 8/30

5:05 am-6:23 am

Nonstop1h 18m

$261

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Fri 8/28

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Tue 9/1

5:05 am-6:23 am

Nonstop1h 18m

$261
Quickest round-trip

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Wed 9/2

12:48 pm-2:00 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Sun 9/6

2:35 pm-3:51 pm

Nonstop1h 16m

$281

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 9/17

9:10 pm-10:21 pm

Nonstop1h 11m

Rock Springs Sweetwater County

Sun 9/20

5:05 am-6:23 am

Nonstop1h 18m

$281

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 8/27

12:48 pm-2:00 pm

Nonstop1h 12m

Rock Springs Sweetwater County

Mon 8/31

5:05 am-6:23 am

Nonstop1h 18m

$281

DenverRock Springs

DEN Denver Intl - RKS Rock Springs Sweetwater County

DENRKS

Denver Intl

Thu 12/31

12:15 pm-1:30 pm

Nonstop1h 15m

Rock Springs Sweetwater County

Mon 1/4

5:25 am-6:53 am

Nonstop1h 28m

$281

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Fri 9/18

4:49 pm-10:21 pm

1 stop4h 32m

Rock Springs Sweetwater County

Sun 9/20

5:05 am-9:04 am

1 stop4h 59m

$308

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Fri 10/2

4:29 pm-10:21 pm

1 stop4h 52m

Rock Springs Sweetwater County

Wed 10/7

5:05 am-11:53 am

2 stops7h 48m

$314

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Thu 9/17

6:00 am-1:47 pm

1 stop6h 47m

Rock Springs Sweetwater County

Sun 9/20

5:05 am-10:37 am

1 stop6h 32m

$318

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Wed 11/25

8:10 am-1:44 pm

1 stop5h 34m

Rock Springs Sweetwater County

Sat 11/28

2:23 pm-7:55 pm

1 stop5h 32m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Rock Springs from

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

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

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

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

Cheap United States to Rock Springs flight deals and tips

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

Fastest flight time

1h 11m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in Rock Springs

1 airport
The fastest flight from United States to Rock Springs takes 1h 11m
Direct flights go from United States to Rock Springs on Monday, Tuesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Rock Springs. From United States there are direct flights to Rock Springs Sweetwater County (RKS).
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Frequently asked questions about flying from the United States to Rock Springs

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

    Prices for flights from United States to Rock Springs Sweetwater County Airport were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States 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 you'll need for your trip to Rock Springs Sweetwater County Airport 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 Rock Springs Sweetwater County Airport. 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 United States to Rock Springs?

Best airlines flying from United States to Rock Springs

Compare and see reviews for airlines that fly from United States to Rock Springs with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $238Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights

Traveling to a place near Rock Springs?

Book flights to Rock Springs if you plan to visit one of these locations
Green River

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Rock Springs for you.

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

Flights from United States to Rock Springs with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential United States to Rock Springs 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 United States to Rock Springs right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Rock Springs, momondo offers a useful price alert feature which will track prices for flights to Rock Springs from United States and alert you when they change.

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