Need help booking?
Unpublished phone-only deals available
RDG to DEN: distance & flight time
Reading (Reading Regional Carl A Spaatz Field) → Denver (Denver International Airport)
1,511 mi
2,431 km · 1,313 nm
3h 26m
estimated nonstop flight time
-2h
time difference · heading west
See live RDG→DEN fares Phone-only fares on this route — call free
Flight time details
1,511 miles nonstop takes roughly 3h 26m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- RDG — Reading Regional Carl A Spaatz Field · Reading, United States
- DEN — Denver International Airport · Denver, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near RDG
- PHL · Philadelphia International Airport52 mi away
- LNS · Lancaster Airport25 mi away
- CTH · Chester County G O Carlson Airport28 mi away
- UKT · Quakertown Airport31 mi away
Near DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Frequently asked questions
How far is RDG from DEN?
The flight distance from Reading (RDG) to Denver (DEN) is 1,511 miles (2,431 km, 1,313 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDG to DEN?
A nonstop flight takes about 3h 26m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Reading and Denver?
Denver is 2 hours behind Reading.
What is the cheapest way to fly from RDG to DEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDG–DEN that never appear on search engines, with no booking fees.