Cheap flights from Denver to Rock Springs

Flight deals from Denver to Rock Springs

Below you can see the best deals on flights Denver — Rock Springs for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 1 September, from $180.

Top 10 cheap flights from Denver to Rock Springs

About the Denver — Rock Springs flight

Looking for cheap flights from Denver to Rock Springs? Compare fares from different airlines, check the flight schedule and travel time — and book your Denver — Rock Springs ticket online at the best price.

The route has direct flights — around 13 flights per week, flights are operated by United Airlines, a nonstop flight takes about 1 h 10 min, the distance between the cities is around 411 km.

Planning your trip? You may find our Rock Springs travel guide, how to get from the airport into town and Rock Springs weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

from $180Min. price

SeptemberCheapest

JanuaryPeak season

YesDirect flights

411 kmDistance

1 h 10 minTravel time

1Airlines

13 / wkFlights

Flight schedule from Denver to Rock Springs

The table shows direct flights from Denver to Rock Springs on the selected date. The flight takes approximately 1 h 10 min. Regular flights are operated by United Airlines. Departures from Denver International Airport and Centennial Airport airports, arrivals at Rock Springs-Sweetwater County Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today

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Last update: 01 Sep 2026

Airline

Flight

Departure

Arrival

Duration

Days

Status

Below is a calendar of the lowest flight ticket prices for Denver — Rock Springs by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $180 in September, and the most expensive are around $186 in January. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

Prices by month

Average one-way fares from Denver to Rock Springs by month. Tickets are usually cheapest in January (around $221) and priciest in November (about $261) — use the table and chart below to pick the best time to fly.

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$221	low	May	$221	low	Sep	$238	medium
Feb	$221	low	Jun	$221	low	Oct	$238	medium
Mar	$232	medium	Jul	$255	high	Nov	$261	high
Apr	$232	medium	Aug	$255	high	Dec	$261	high

Some values are estimated based on seasonality.

When to fly

Weather in Rock Springs: it is warmest in July (up to 30 °C on average) and coolest in January (around -3 °C). The driest month is July.

Tickets are usually cheapest in September and most expensive in January. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Rock Springs

Dry and wet days · Rock Springs

Wind speed and direction · Rock Springs

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How to get the best deal on a Denver — Rock Springs ticket

Book ahead: fares for Denver — Rock Springs are usually lower 3–8 weeks before departure than at the last minute.
Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
Denver is served by more than one airport — compare fares and travel time to each before you book.
Flights Denver — Rock Springs operate on Sundays, Mondays, Tuesdays, Wednesdays, Fridays and Saturdays — keep that in mind when picking your travel dates.
The cheapest month to fly to Rock Springs is usually September — plan your trip around it if your dates are flexible.
Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Flights on the Denver — Rock Springs route are operated by 1 airline; United Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

United AirlinesUA
4x/week
WebsiteFleet: 956165M pax/year
- Direct flight DEN → RKS4x/week
  Duration
  1h 12m
  Days
  MTWTFSS
100.0%Open →

Cities and airports on the Denver — Rock Springs route

Flights Denver — Rock Springs depart from Denver International Airport and Centennial Airport and arrive at Rock Springs-Sweetwater County Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Denver

DEN

United States

About the city How to get there Weather All about the country United States

Arrival

Rock Springs

RKS

United States

About the city How to get there Weather All about the country United States

Departure airports

Denver International AirportDEN
About the airport
Centennial AirportAPA
About the airport

Arrival airports

Rock Springs-Sweetwater County AirportRKS
About the airport

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Frequently asked questions about the Denver — Rock Springs flight

How long is the flight from Denver to Rock Springs?

A nonstop Denver — Rock Springs flight takes about 1 h 10 min — the distance between the cities is around 411 km.

How far is it from Denver to Rock Springs?

The distance from Denver to Rock Springs is about 411 km, which a nonstop flight covers in around 1 h 10 min.

Are there direct flights from Denver to Rock Springs?

Yes, there are nonstop flights Denver — Rock Springs — around 13 flights per week.

Which airlines fly from Denver to Rock Springs?

Airlines operating Denver — Rock Springs include United Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Denver — Rock Springs flights use?

Flights from Denver depart from Denver International Airport, Centennial Airport, and arrive at Rock Springs-Sweetwater County Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Denver to Rock Springs?

The price of a Denver — Rock Springs ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in January. Tickets typically cost between $180 and $186. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Denver — Rock Springs?

Flights Denver — Rock Springs are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Denver to Rock Springs?

To catch a low fare Denver — Rock Springs, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.