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WYS to WBU: distance & flight time
West Yellowstone (Yellowstone Airport) → Boulder (Boulder Municipal Airport)
440 mi
708 km · 382 nm
1h 25m
estimated nonstop flight time
Same time
time difference · heading southeast
See live WYS→WBU fares Phone-only fares on this route — call free
Flight time details
440 miles nonstop takes roughly 1h 25m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- WYS — Yellowstone Airport · West Yellowstone, 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 WYS
- BZN · Gallatin Field75 mi away
- JAC · Jackson Hole Airport77 mi away
- LVM · Mission Field77 mi away
- IDA · Idaho Falls Regional 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 WYS from WBU?
The flight distance from West Yellowstone (WYS) to Boulder (WBU) is 440 miles (708 km, 382 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WYS to WBU?
A nonstop flight takes about 1h 25m 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 WYS to WBU?
Nonstop service on WYS–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 25m nonstop estimate.
What is the cheapest way to fly from WYS to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WYS–WBU that never appear on search engines, with no booking fees.
Why are some WYS to WBU fares phone-only?
Consolidator contracts let us sell certain WYS–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.