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WBU to SUS: distance & flight time
Boulder (Boulder Municipal Airport) → Null (Spirit of St Louis Airport)
784 mi
1,261 km · 681 nm
2h 10m
estimated nonstop flight time
+1h
time difference · heading east
See live WBU→SUS fares Phone-only fares on this route — call free
Flight time details
784 miles nonstop takes roughly 2h 10m gate to gate, flying east. 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
- SUS — Spirit of St Louis Airport · Null, 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 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 SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Frequently asked questions
How far is WBU from SUS?
The flight distance from Boulder (WBU) to Null (SUS) is 784 miles (1,261 km, 681 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to SUS?
A nonstop flight takes about 2h 10m 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 Null?
Null is 1 hour ahead of Boulder.
What is the cheapest way to fly from WBU to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–SUS that never appear on search engines, with no booking fees.