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GFK to ONT: distance & flight time
Grand Forks (Grand Forks International Airport) → Ontario (Ontario International Airport)
1,426 mi
2,294 km · 1,239 nm
3h 34m
estimated nonstop flight time
-2h
time difference · heading southwest
See live GFK→ONT fares Phone-only fares on this route — call free
Flight time details
1,426 miles nonstop takes roughly 3h 34m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- GFK — Grand Forks International Airport · Grand Forks, United States
- ONT — Ontario International Airport · Ontario, 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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Frequently asked questions
How far is GFK from ONT?
The flight distance from Grand Forks (GFK) to Ontario (ONT) is 1,426 miles (2,294 km, 1,239 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GFK to ONT?
A nonstop flight takes about 3h 34m 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 Grand Forks and Ontario?
Ontario is 2 hours behind Grand Forks.
What is the cheapest way to fly from GFK to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GFK–ONT that never appear on search engines, with no booking fees.