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KIJ to WBU: distance & flight time

Niigata (Niigata Airport) → Boulder (Boulder Municipal Airport)

5,685 mi
9,149 km · 4,940 nm
11h 37m
estimated nonstop flight time
-15h
time difference · heading northeast
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Flight time details

5,685 miles nonstop takes roughly 11h 37m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is KIJ from WBU?

The flight distance from Niigata (KIJ) to Boulder (WBU) is 5,685 miles (9,149 km, 4,940 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from KIJ to WBU?

A nonstop flight takes about 11h 37m 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 Niigata and Boulder?

Boulder is 15 hours behind Niigata.

What is the cheapest way to fly from KIJ to WBU?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KIJ–WBU that never appear on search engines, with no booking fees.
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