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SPW to WBU: distance & flight time
Spencer (Spencer Municipal Airport) → Boulder (Boulder Municipal Airport)
561 mi
902 km · 487 nm
1h 41m
estimated nonstop flight time
-1h
time difference · heading west
See live SPW→WBU fares Phone-only fares on this route — call free
Flight time details
561 miles nonstop takes roughly 1h 41m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SPW — Spencer Municipal Airport · Spencer, 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 SPW
- FOD · Fort Dodge Regional Airport66 mi away
- SUX · Sioux Gateway Col. Bud Day Field80 mi away
- FSD · Joe Foss Field Airport82 mi away
- MCW · Mason City Municipal Airport94 mi away
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 SPW from WBU?
The flight distance from Spencer (SPW) to Boulder (WBU) is 561 miles (902 km, 487 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPW to WBU?
A nonstop flight takes about 1h 41m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SPW to WBU?
Nonstop service on SPW–WBU depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 41m nonstop estimate.
What is the time difference between Spencer and Boulder?
Boulder is 1 hour behind Spencer.
What is the cheapest way to fly from SPW to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPW–WBU that never appear on search engines, with no booking fees.
Why are some SPW to WBU fares phone-only?
Consolidator contracts let us sell certain SPW–WBU tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.