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WBU to XSI: distance & flight time
Boulder (Boulder Municipal Airport) → South Indian Lake (South Indian Lake Airport)
1,192 mi
1,918 km · 1,036 nm
3h 3m
estimated nonstop flight time
+1h
time difference · heading north
See live WBU→XSI fares Phone-only fares on this route — call free
Flight time details
1,192 miles nonstop takes roughly 3h 3m gate to gate, flying north. 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
- WBU — Boulder Municipal Airport · Boulder, United States
- XSI — South Indian Lake Airport · South Indian Lake, Canada
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 XSI
- YLR · Leaf Rapids Airport45 mi away
- YTH · Thompson Airport79 mi away
- YYL · Lynn Lake Airport82 mi away
- KES · Kelsey Airport105 mi away
Frequently asked questions
How far is WBU from XSI?
The flight distance from Boulder (WBU) to South Indian Lake (XSI) is 1,192 miles (1,918 km, 1,036 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to XSI?
A nonstop flight takes about 3h 3m 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 South Indian Lake?
South Indian Lake is 1 hour ahead of Boulder.
What is the cheapest way to fly from WBU to XSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–XSI that never appear on search engines, with no booking fees.