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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 6/3. 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
0 bags

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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
8:55 pm - 10:05 pm
DEN
-
RKS
1h 10mnonstop
United Airlines Logo
5:05 am - 6:18 am
RKS
-
DEN
1h 13mnonstop
$241United Airlines
Mon, Jun 8 - Sun, Jun 14
United Airlines Logo
11:55 am - 1:11 pm
DEN
-
RKS
1h 16mnonstop
United Airlines Logo
5:05 am - 6:18 am
RKS
-
DEN
1h 13mnonstop
$261United Airlines
Sat, May 30 - Mon, Jun 1
United Airlines Logo
9:13 pm - 10:23 pm
DEN
-
RKS
1h 10mnonstop
United Airlines Logo
5:05 am - 6:18 am
RKS
-
DEN
1h 13mnonstop
$280United Airlines
Wed, Jul 1 - Fri, Jul 3
United Airlines Logo
9:13 pm - 10:23 pm
DEN
-
RKS
1h 10mnonstop
United Airlines Logo
5:05 am - 6:18 am
RKS
-
DEN
1h 13mnonstop
$291United Airlines
Sat, Jun 6 - Mon, Jun 8
United Airlines Logo
5:00 am - 1:31 pm
PDX
-
RKS
7h 31m
1 stop
United Airlines Logo
2:16 pm - 9:10 pm
RKS
-
PDX
7h 54m
1 stop
$308United Airlines
Mon, Jun 8 - Mon, Jun 15
United Airlines Logo
8:45 am - 1:31 pm
DFW
-
RKS
5h 46m
1 stop
United Airlines Logo
5:05 am - 10:33 am
RKS
-
DFW
4h 28m
1 stop
$308United Airlines
Thu, Jun 4 - Fri, Jun 12
United Airlines Logo
6:00 am - 1:31 pm
PHX
-
RKS
6h 31m
1 stop
United Airlines Logo
5:05 am - 9:00 am
RKS
-
PHX
4h 55m
1 stop
$308United Airlines
Mon, Jun 8 - Sun, Jun 14
United Airlines Logo
9:13 pm - 10:23 pm
DEN
-
RKS
1h 10mnonstop
United Airlines Logo
2:16 pm - 3:40 pm
RKS
-
DEN
1h 24mnonstop
$313United Airlines
Thu, Jul 2 - Thu, Jul 9
United Airlines Logo
5:10 am - 1:31 pm
DFW
-
RKS
9h 21m
2 stops
United Airlines Logo
2:16 pm - 9:59 pm
RKS
-
DFW
6h 43m
1 stop
$314United Airlines
Thu, Jun 4 - Fri, Jun 12
United Airlines Logo
5:00 am - 1:11 pm
PDX
-
RKS
7h 11m
1 stop
United Airlines Logo
2:16 pm - 9:10 pm
RKS
-
PDX
7h 54m
1 stop
$323United Airlines
Sat, Jun 6 - Fri, Jun 12

United Airlines flights from United States to Rock Springs

Our best United Airlines deals on United States to Rock Springs flight tickets
United Airlines
Jun 8
DEN8:55 pmDenver Intl
1h 10m
RKS10:05 pmRock Springs Sweetwater County
Jun 14
RKS5:05 amRock Springs Sweetwater County
1h 13m
DEN6:18 amDenver Intl
$241
United Airlines
May 30
DEN11:55 amDenver Intl
1h 16m
RKS1:11 pmRock Springs Sweetwater County
Jun 1
RKS5:05 amRock Springs Sweetwater County
1h 13m
DEN6:18 amDenver Intl
$261
United Airlines
Jul 1
DEN9:13 pmDenver Intl
1h 10m
RKS10:23 pmRock Springs Sweetwater County
Jul 3
RKS5:05 amRock Springs Sweetwater County
1h 13m
DEN6:18 amDenver Intl
$280

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 May 12, 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
Quickest round-trip

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Mon 6/8

8:55 pm-10:05 pm

Nonstop1h 10m

Rock Springs Sweetwater County

Sun 6/14

5:05 am-6:18 am

Nonstop1h 13m

$241

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sat 5/30

11:55 am-1:11 pm

Nonstop1h 16m

Rock Springs Sweetwater County

Mon 6/1

5:05 am-6:18 am

Nonstop1h 13m

$261

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Wed 7/1

9:13 pm-10:23 pm

Nonstop1h 10m

Rock Springs Sweetwater County

Fri 7/3

5:05 am-6:18 am

Nonstop1h 13m

$280

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Sat 6/6

9:13 pm-10:23 pm

Nonstop1h 10m

Rock Springs Sweetwater County

Mon 6/8

5:05 am-6:18 am

Nonstop1h 13m

$291

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Mon 6/8

5:00 am-1:31 pm

1 stop7h 31m

Rock Springs Sweetwater County

Mon 6/15

2:16 pm-9:10 pm

1 stop7h 54m

$308

DallasRock Springs

DFW - RKS

DFWRKS

Dallas/Fort Worth

Thu 6/4

8:45 am-1:31 pm

1 stop5h 46m

Rock Springs Sweetwater County

Fri 6/12

5:05 am-10:33 am

1 stop4h 28m

$308

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Mon 6/8

6:00 am-1:31 pm

1 stop6h 31m

Rock Springs Sweetwater County

Sun 6/14

5:05 am-9:00 am

1 stop4h 55m

$308

DenverRock Springs

DEN - RKS

DENRKS

Denver Intl

Thu 7/2

9:13 pm-10:23 pm

Nonstop1h 10m

Rock Springs Sweetwater County

Thu 7/9

2:16 pm-3:40 pm

Nonstop1h 24m

$313

DallasRock Springs

DFW - RKS

DFWRKS

Dallas/Fort Worth

Thu 6/4

5:10 am-1:31 pm

2 stops9h 21m

Rock Springs Sweetwater County

Fri 6/12

2:16 pm-9:59 pm

1 stop6h 43m

$314

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Sat 6/6

5:00 am-1:11 pm

1 stop7h 11m

Rock Springs Sweetwater County

Fri 6/12

2:16 pm-9:10 pm

1 stop7h 54m

$323

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Best Price Found

$594

Fastest flight time

1h 10m

Direct flights

Tue, Wed, Thu, Fri and Sun

Airports in Rock Springs

1 airport
The best flight deal from United States to Rock Springs found on momondo in the last 72 hours is $594
The fastest flight from United States to Rock Springs takes 1h 10m
Direct flights go from United States to Rock Springs on Tuesday, Wednesday, Thursday, Friday 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).
Search flight deals

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 $266Free CancellationRating
7.4
9,701 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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