Flight Routes from Denver to Sidney

Compare cheap outbound and return flights from Denver (DEN) to Sidney (SDY) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€408
Flight distance
874 km
Time difference
none

Flight schedule from Denver (DEN) to Sidney (SDY)

Select a travel date in the flight schedule for the route from Denver (DEN) to Sidney (SDY) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flightsDEN–SDY · 1 of 1
fromto
dep.arr.
durationstopovers
  1. September 13 – 19, 2026
  2. September 20 – 26, 2026
  3. Sep 27 – Oct 3, 2026
    No flights could be found for the active filters.
    1. DENSDY
      1 stopover
      1. United Airlines
      2. Cape Air

      Tips and tricks to help you find cheap flights from Denver to Sidney

      Favorite airline: Delta
      The majority of passengers on the route Denver – Sidney prefer to fly with Delta.
      Delta
      50 %
      Alaska Airlines
      25 %
      United Airlines
      25 %
      Favourite connection: via Salt Lake City and Billings
      On this route, flights with a stopover in Salt Lake City and Billings are the most popular.
      Route
      bookings
      2 stopovers Salt Lake City International Airport, UT Billings, MT
      08h 10min, from 384 $
      67 %
      1 stopover Billings, MT
      26h 13min, from 344 $
      33 %

      Important flight information

      Discover more flights around Denver and Sidney

      Departure airport Airport Denver International Airport, CO (DEN)
      Arrival airport Airport Sidney-Richland, MT (SDY)
      Destination country Flights to United States
      Departure airport - Destination country Denver International Airport, CO - United States
      Alternative routes to United States
      Flight destinations with a similar price