Need help booking?
Unpublished phone-only deals available
WBU to GIU: distance & flight time
Boulder (Boulder Municipal Airport) → Sigiriya (Sigiriya Air Force Base)
9,099 mi
14,643 km · 7,907 nm
18h 18m
estimated nonstop flight time
+11.5h
time difference · heading north
See live WBU→GIU fares Phone-only fares on this route — call free
Flight time details
9,099 miles nonstop takes roughly 18h 18m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- GIU — Sigiriya Air Force Base · Sigiriya, Sri Lanka
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 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
Near GIU
- HIM · Hingurakgoda Air Force Base18 mi away
- ACJ · Anuradhapura Air Force Base31 mi away
- TRR · China Bay Airport51 mi away
- BTC · Batticaloa Airport67 mi away
Frequently asked questions
How far is WBU from GIU?
The flight distance from Boulder (WBU) to Sigiriya (GIU) is 9,099 miles (14,643 km, 7,907 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to GIU?
A nonstop flight takes about 18h 18m 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 Boulder and Sigiriya?
Sigiriya is 11.5 hours ahead of Boulder.
What is the cheapest way to fly from WBU to GIU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–GIU that never appear on search engines, with no booking fees.