What is the difference between the most popular and the most frequent airline at Rock Springs?

United Airlines operates the most flights from the United States to Rock Springs at 14 per week, and for this route United Airlines is also the airline most often selected by KAYAK users searching for flights from the United States to Rock Springs. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

How long is a nonstop flight to Rock Springs?

Nonstop flights to Rock Springs are available from Denver, with a flight time of about 1h 10m.

Which city has the cheapest flights to Rock Springs?

Based on fares booked in the past 5 days, the cheapest flights to Rock Springs are from Phoenix, starting at $358 round-trip.

How many flights serve Rock Springs?

Rock Springs receives 2 flights per day and 14 per week from across the world. Denver has the most flights to Rock Springs, with 14 weekly flights.

How do I know if a flight to Rock Springs is a good deal?

A good deal on a flight to Rock Springs is around $331 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

Which airlines should I consider for flights to Rock Springs?

United Airlines is the most popular airline with KAYAK users flying to Rock Springs, and has the best on-time record at the destination's main airport.

What is the cheapest flight to Rock Springs?

Denver to Rock Springs is the cheapest route at $261 round-trip, found in the past 5 days on KAYAK. Austin to Rock Springs is the most popular connection with round-trip deals from $338.

How much is a flight to Rock Springs?

On average, a round-trip flight from the United States to Rock Springs costs $453, based on KAYAK data over the past 12 months. Round-trip fares from Las Vegas average $298, while Dallas/Fort Worth Airport runs a bit higher at $323.

What is the cheapest day to fly to Rock Springs?

Tuesday is the cheapest day to fly to Rock Springs at $413 round-trip on average over the past 12 months on KAYAK. Sunday is the most expensive at $518.

What’s the cheapest month to fly to Rock Springs?

•January is the cheapest month to fly to Rock Springs with an average price of $328 round-trip. •March ($551) and June ($543) are the most expensive. Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to Rock Springs?

Evening flights to Rock Springs are the cheapest at $360 round-trip on average. Morning flights are the most expensive at $472.

What is a good deal for flights to Rock Springs?

Flights under $331 are considered a good deal. 25% of KAYAK users found round-trip flights to Rock Springs at or below these prices, with the lowest fares from: •Memphis $248 •Denver $290 •Las Vegas $298.

What are the most popular airlines flying to Rock Springs?

United Airlines is the only airline flying to Rock Springs on KAYAK.

Which airline offers the most nonstop flights to Rock Springs?

United Airlines is the only airline that flies nonstop to Rock Springs, with 14 flights per week.

How many direct flights to Rock Springs are there each day?

There are around 2 daily direct flights to Rock Springs. 50% depart in the afternoon and 50% at night.

How many direct flights to Rock Springs are there each week?

There are 14 direct flights to Rock Springs each week. Monday is the day with the most departures at 14%.

How many long-haul flights are there to Rock Springs each week?

No long-haul flights serve this destination.

How many cities have direct flights to Rock Springs?

1 city has direct flights to Rock Springs. Denver has the most with 14 direct flights per week.

$198 CHEAP FLIGHTS to Rock Springs in 2026/27

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$261

Typical prices: $331-$553

United Airlines

Mon 10/22Fri 10/26

DEN - RKS • Non-stop

Cheapest one-way

$198

Typical prices: $313-$489

United Airlines

Wed 12/19

DEN - RKS • Non-stop

Nonstop flights

Every day

You can fly direct with United Airlines. Average duration is 1h 13m

FAQs

Top airlines

United Airlines

Most flights • 14 per week

United Airlines

Best reviews • 7.4 score

Airline reviews

Top routes

LAS - RKS

Cheapest • 33% average savings

PIT - RKS

Most popular

Insights

When to travel

January

Cheapest • 28% price drop

June

Most popular

Good to know

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Rock Springs!

Flight Deals

Cheap Flights to Rock Springs

Discover the best prices for you by selecting your travel dates on KAYAK.

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One-way

Last minute

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Recent round-trip flight deals to Rock Springs

Thu, Oct 22 - Mon, Oct 26

9:10 pm - 10:21 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 11mnonstop

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

1h 25mnonstop

$261United Airlines

Sat, Oct 17 - Wed, Oct 21

9:10 pm - 10:21 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 11mnonstop

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

1h 18mnonstop

$261United Airlines

Sat, Feb 27 - Wed, Mar 3

8:46 pm - 10:01 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 15mnonstop

2:05 pm - 3:33 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 28mnonstop

$281United Airlines

Thu, Jan 14 - Sun, Jan 17

4:49 pm - 10:24 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

6h 35m1 stop Denver Intl

5:30 am - 11:16 amRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

4h 46m1 stop Denver Intl

$338United Airlines

Mon, Nov 23 - Thu, Dec 10

4:39 pm - 10:20 pmSTL Lambert-St Louis-RKS Rock Springs Sweetwater County

6h 41m1 stop Denver Intl

5:35 am - 12:53 pmRKS Rock Springs Sweetwater County-STL Lambert-St Louis

6h 18m1 stop Denver Intl

$338United Airlines

Thu, Jan 14 - Sun, Jan 17

4:49 pm - 10:24 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

6h 35m1 stop Denver Intl

5:30 am - 3:34 pmRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

9h 04m2 stops Denver Intl Los Angeles

$344United Airlines

Mon, Nov 23 - Thu, Dec 10

1:00 pm - 10:20 pmSTL Lambert-St Louis-RKS Rock Springs Sweetwater County

10h 20m2 stops Washington, D.C. Dulles Intl Denver Intl

5:35 am - 12:53 pmRKS Rock Springs Sweetwater County-STL Lambert-St Louis

6h 18m1 stop Denver Intl

$344United Airlines

Wed, Oct 21 - Sun, Oct 25

6:00 am - 1:42 pmPHX Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County

6h 42m1 stop Denver Intl

2:23 pm - 8:37 pmRKS Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl

7h 14m1 stop Denver Intl

$358United Airlines

Thu, Oct 22 - Mon, Oct 26

6:06 pm - 10:21 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

5h 15m1 stop Denver Intl

2:23 pm - 8:58 pmRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

5h 35m1 stop Denver Intl

$388United Airlines

Wed, Oct 21 - Sun, Oct 25

9:00 am - 1:42 pmSTL Lambert-St Louis-RKS Rock Springs Sweetwater County

5h 42m1 stop Denver Intl

2:23 pm - 9:01 pmRKS Rock Springs Sweetwater County-STL Lambert-St Louis

5h 38m1 stop Denver Intl

$388United Airlines

Recent last minute flight deals to Rock Springs

Sat, Oct 10 - Sat, Oct 17

3:13 pm - 10:21 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

8h 08m1 stop Denver Intl

2:22 pm - 11:59 pmRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

8h 37m1 stop Denver Intl

$543United Airlines

Sat, Oct 10 - Sat, Oct 17

5:30 am - 1:42 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

9h 12m1 stop Denver Intl

5:05 am - 9:22 pmRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

15h 17m2 stops Denver Intl Houston George Bush Intcntl

$549United Airlines

Sat, Oct 10 - Sat, Oct 17

7:00 am - 1:42 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

7h 42m2 stops Houston George Bush Intcntl Denver Intl

2:22 pm - 8:48 pmRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

5h 26m1 stop Denver Intl

$549United Airlines

Sat, Oct 10 - Sat, Oct 17

5:10 am - 1:42 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

9h 32m2 stops Houston George Bush Intcntl Denver Intl

5:05 am - 3:22 pmRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

9h 17m2 stops Denver Intl Houston George Bush Intcntl

$554United Airlines

Sat, Oct 10 - Sat, Oct 17

4:15 pm - 10:21 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

7h 06m2 stops Houston George Bush Intcntl Denver Intl

5:05 am - 3:54 pmRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

9h 49m2 stops Denver Intl Los Angeles

$554United Airlines

Sat, Oct 10 - Sat, Oct 17

3:13 pm - 10:21 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

8h 08m1 stop Denver Intl

2:22 pm - 11:59 pmRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

8h 37m1 stop Denver Intl

$598United Airlines

Sat, Oct 10 - Sat, Oct 17

7:00 am - 1:42 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

7h 42m2 stops Houston George Bush Intcntl Denver Intl

2:22 pm - 8:48 pmRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

5h 26m1 stop Denver Intl

$604United Airlines

Sun, Oct 11 - Tue, Oct 13

7:11 pm - 10:21 pmMCI Kansas City-RKS Rock Springs Sweetwater County

4h 10m1 stop Denver Intl

2:22 pm - 8:44 pmRKS Rock Springs Sweetwater County-MCI Kansas City

5h 22m1 stop Denver Intl

$876United Airlines

Sun, Oct 11 - Tue, Oct 13

7:11 pm - 10:21 pmMCI Kansas City-RKS Rock Springs Sweetwater County

4h 10m1 stop Denver Intl

2:22 pm - 2:18 pmRKS Rock Springs Sweetwater County-MCI Kansas City

22h 56m2 stops Denver Intl Chicago O'Hare Intl

$1,079United Airlines

Sun, Oct 11 - Mon, Oct 12

9:00 am - 1:42 pmMCI Kansas City-RKS Rock Springs Sweetwater County

5h 42m1 stop Denver Intl

2:22 pm - 4:22 pmRKS Rock Springs Sweetwater County-MCI Kansas City

25h 00m1 stop Denver Intl

$1,173United Airlines

All round-trip flight deals to Rock Springs

Thu, Oct 22 - Mon, Oct 26

9:10 pm - 10:21 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 11mnonstop

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

1h 25mnonstop

$261United Airlines

Sat, Oct 17 - Wed, Oct 21

9:10 pm - 10:21 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 11mnonstop

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

1h 18mnonstop

$261United Airlines

Sat, Feb 27 - Wed, Mar 3

8:46 pm - 10:01 pmDEN Denver Intl-RKS Rock Springs Sweetwater County

1h 15mnonstop

2:05 pm - 3:33 pmRKS Rock Springs Sweetwater County-DEN Denver Intl

1h 28mnonstop

$281United Airlines

Thu, Jan 14 - Sun, Jan 17

4:49 pm - 10:24 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

6h 35m1 stop Denver Intl

5:30 am - 11:16 amRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

4h 46m1 stop Denver Intl

$338United Airlines

Mon, Nov 23 - Thu, Dec 10

4:39 pm - 10:20 pmSTL Lambert-St Louis-RKS Rock Springs Sweetwater County

6h 41m1 stop Denver Intl

5:35 am - 12:53 pmRKS Rock Springs Sweetwater County-STL Lambert-St Louis

6h 18m1 stop Denver Intl

$338United Airlines

Thu, Jan 14 - Sun, Jan 17

4:49 pm - 10:24 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

6h 35m1 stop Denver Intl

5:30 am - 3:34 pmRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

9h 04m2 stops Denver Intl Los Angeles

$344United Airlines

Mon, Nov 23 - Thu, Dec 10

1:00 pm - 10:20 pmSTL Lambert-St Louis-RKS Rock Springs Sweetwater County

10h 20m2 stops Washington, D.C. Dulles Intl Denver Intl

5:35 am - 12:53 pmRKS Rock Springs Sweetwater County-STL Lambert-St Louis

6h 18m1 stop Denver Intl

$344United Airlines

Wed, Oct 21 - Sun, Oct 25

6:00 am - 1:42 pmPHX Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County

6h 42m1 stop Denver Intl

2:23 pm - 8:37 pmRKS Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl

7h 14m1 stop Denver Intl

$358United Airlines

Thu, Oct 22 - Mon, Oct 26

6:06 pm - 10:21 pmAUS Austin Bergstrom-RKS Rock Springs Sweetwater County

5h 15m1 stop Denver Intl

2:23 pm - 8:58 pmRKS Rock Springs Sweetwater County-AUS Austin Bergstrom

5h 35m1 stop Denver Intl

$388United Airlines

Wed, Oct 21 - Sun, Oct 25

9:00 am - 1:42 pmSTL Lambert-St Louis-RKS Rock Springs Sweetwater County

5h 42m1 stop Denver Intl

2:23 pm - 9:01 pmRKS Rock Springs Sweetwater County-STL Lambert-St Louis

5h 38m1 stop Denver Intl

$388United Airlines

Booking Insights

Price, demand and travel trends for flights to Rock Springs

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

What is the cheapest flight to Rock Springs?: Denver to Rock Springs is the cheapest route at $261 round-trip, found in the past 5 days on KAYAK. Austin to Rock Springs is the most popular connection with round-trip deals from $338.
How much is a flight to Rock Springs? Average and cheapest price for all round-trip flights to Rock Springs from each origin found by users searching on KAYAK in the last 12 months.: On average, a round-trip flight from the United States to Rock Springs costs $453, based on KAYAK data over the past 12 months. Round-trip fares from Las Vegas average $298, while Dallas/Fort Worth Airport runs a bit higher at $323.
What is the cheapest day to fly to Rock Springs?: Tuesday is the cheapest day to fly to Rock Springs at $413 round-trip on average over the past 12 months on KAYAK. Sunday is the most expensive at $518.
What’s the cheapest month to fly to Rock Springs? To calculate monthly average prices, KAYAK takes all prices for each month over the last 12 months for flights to Rock Springs, removes the top 0.1% to account for outliers, then takes the median of all values for each month.: •January is the cheapest month to fly to Rock Springs with an average price of $328 round-trip.
•March ($551) and June ($543) are the most expensive.

Based on KAYAK data over the past 12 months.
What is the cheapest time of day to fly to Rock Springs? Average price for all round-trip flights depending on time of departure, seen by users on KAYAK in the last 12 months.: Evening flights to Rock Springs are the cheapest at $360 round-trip on average. Morning flights are the most expensive at $472.
What is a good deal for flights to Rock Springs?: Flights under $331 are considered a good deal. 25% of KAYAK users found round-trip flights to Rock Springs at or below these prices, with the lowest fares from:
•Memphis $248
•Denver $290
•Las Vegas $298.

Find deals

Low season	February
High season	June
Cheapest flight	$198

Beat the crowds with an average 38% drop in travelers.

The most popular month to fly with an average 15% increase in travelers.

One-way flight from Denver to Rock Springs

When to book flights to Rock Springs

Are your dates flexible? Find out the best times to travel to Rock Springs based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Rock Springs based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How do I know if a flight to Rock Springs is a good deal?
A good deal on a flight to Rock Springs is around $331 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
How long is a nonstop flight to Rock Springs?
Nonstop flights to Rock Springs are available from Denver, with a flight time of about 1h 10m.
Which city has the cheapest flights to Rock Springs?
Based on fares booked in the past 5 days, the cheapest flights to Rock Springs are from Phoenix, starting at $358 round-trip.
What is the difference between the most popular and the most frequent airline at Rock Springs?
United Airlines operates the most flights from the United States to Rock Springs at 14 per week, and for this route United Airlines is also the airline most often selected by KAYAK users searching for flights from the United States to Rock Springs. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.
Which airlines should I consider for flights to Rock Springs?
United Airlines is the most popular airline with KAYAK users flying to Rock Springs, and has the best on-time record at the destination's main airport.
How many flights serve Rock Springs?
Rock Springs receives 2 flights per day and 14 per week from across the world. Denver has the most flights to Rock Springs, with 14 weekly flights.

For flights to Rock Springs, a good round-trip fare is around $331. If you find a fare below that, you're getting a strong deal.
If your travel dates are flexible, consider flying to Rock Springs in January. Round-trip fares historically average $328, making January the cheapest month to travel based on KAYAK data from the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat-selection costs on budget carriers.
• Verify whether you need any travel documents beyond ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to afternoon to save up to $112 per round-trip. Afternoon flights to Rock Springs average $360 compared to $472 for morning flights.
Bag allowances vary by airline, fare type, cabin class and route. On flights to Rock Springs, some airlines may include bags at no extra cost. For example, United Airlines includes a cabin bag in Economy Class. Always check the fare details before booking, since bag policies can change by ticket type.

More options for your flight to Rock Springs

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RKS

$198 Find Cheap Flights to Rock Springs - Compare and Save

Everything you should know

Cheap Flights to Rock Springs

Recent round-trip flight deals to Rock Springs

Recent one-way flight deals to Rock Springs

Recent last minute flight deals to Rock Springs

Recent direct flight deals from the United States to Rock Springs

All round-trip flight deals to Rock Springs

Price, demand and travel trends for flights to Rock Springs

What is the cheapest flight to Rock Springs?

How much is a flight to Rock Springs?

What is the cheapest day to fly to Rock Springs?

What’s the cheapest month to fly to Rock Springs?

What is the cheapest time of day to fly to Rock Springs?

What is a good deal for flights to Rock Springs?

What are the most popular airlines flying to Rock Springs?

Which airline offers the most nonstop flights to Rock Springs?

How many direct flights to Rock Springs are there each day?

How many direct flights to Rock Springs are there each week?

How many long-haul flights are there to Rock Springs each week?

How many cities have direct flights to Rock Springs?

Key details for flights to Rock Springs

Low season

High season

Cheapest flight

When to book flights to Rock Springs

Your questions about flights to Rock Springs, answered

Your guide to booking Rock Springs flights

More options for your flight to Rock Springs

Complete your trip to Rock Springs with a hotel stay or car rental

Information on the airport you'll fly into in Rock Springs

Cabin class types available on flights to Rock Springs

Flights from local origins to Rock Springs

Flights to other popular destinations