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GFK to WBU: distance & flight time
Grand Forks (Grand Forks International Airport) → Boulder (Boulder Municipal Airport)
677 mi
1,089 km · 588 nm
1h 56m
estimated nonstop flight time
-1h
time difference · heading southwest
See live GFK→WBU fares Phone-only fares on this route — call free
Flight time details
677 miles nonstop takes roughly 1h 56m gate to gate, flying southwest. 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
- GFK — Grand Forks International Airport · Grand Forks, 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 GFK
- RDR · Grand Forks Air Force Base10 mi away
- TVF · Thief River Falls Regional Airport47 mi away
- PMB · Pembina Municipal Airport69 mi away
- FAR · Hector International Airport73 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 GFK from WBU?
The flight distance from Grand Forks (GFK) to Boulder (WBU) is 677 miles (1,089 km, 588 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GFK to WBU?
A nonstop flight takes about 1h 56m 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 GFK to WBU?
Nonstop service on GFK–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 56m nonstop estimate.
What is the time difference between Grand Forks and Boulder?
Boulder is 1 hour behind Grand Forks.
What is the cheapest way to fly from GFK to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GFK–WBU that never appear on search engines, with no booking fees.
Why are some GFK to WBU fares phone-only?
Consolidator contracts let us sell certain GFK–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.