Book direct flights from Rock Springs to Denver: One way flights from €168, round trip flights from €212. Find flight deals for the next 3 months below.

Displayed flight fares from Rock Springs to Denver are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flying from Rock Springs to Denver

The distance between Rock Springs and Denver is approximately 417.58 km. It takes around 1 hour 26 minutes on average to fly from Rock Springs to Denver. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price€168
Cheapest round-trip ticket price€212
Off-season for travelNovember
Peak season for travelJuly
Flight distance417.58 km
Average flight time1 hour 26 minutes

When is the cheapest time to fly from Rock Springs to Denver?

The cheapest time for Rock Springs to Denver flights: Feb 22 to Mar 1 — one way flight prices from €166.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Rock Springs to Denver, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Rock Springs to Denver (RKS-DEN)?

    Based on Trip.com data, United Airlines offers one-way fares as low as €168 on Cheapest nonstop routes (e.g. RKS to DEN on Tue, Jan 13), while United Airlines offers Cheapest nonstop round-trips from €212 departing on Thu, Jan 8 and returning on Thu, Jan 15.
  • It takes around 1 hour 26 minutes to fly from Rock Springs (RKS) to Denver (DEN).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Rock Springs to Denver is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Rock Springs to Denver, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jan 13, with one-way flights priced at just €168.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Denver travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Rock Springs to Denver is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Rock Springs to Denver on December 12, 2025 with United Airlines, with prices starting at €214.
  • The time difference between Denver and Rock Springs is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.