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RNT to WBU: distance & flight time
Renton (Renton Municipal Airport) → Boulder (Boulder Municipal Airport)
989 mi
1,591 km · 859 nm
2h 37m
estimated nonstop flight time
+1h
time difference · heading southeast
See live RNT→WBU fares Phone-only fares on this route — call free
Flight time details
989 miles nonstop takes roughly 2h 37m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- RNT — Renton Municipal Airport · Renton, United States
- WBU — Boulder Municipal Airport · Boulder, 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 RNT
Near WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Frequently asked questions
How far is RNT from WBU?
The flight distance from Renton (RNT) to Boulder (WBU) is 989 miles (1,591 km, 859 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RNT to WBU?
A nonstop flight takes about 2h 37m 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 Renton and Boulder?
Boulder is 1 hour ahead of Renton.
What is the cheapest way to fly from RNT to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RNT–WBU that never appear on search engines, with no booking fees.