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BTV to ONT: distance & flight time
Burlington (Burlington International Airport) → Ontario (Ontario International Airport)
2,451 mi
3,945 km · 2,130 nm
5h 16m
estimated nonstop flight time
-3h
time difference · heading west
See live BTV→ONT fares Phone-only fares on this route — call free
Flight time details
2,451 miles nonstop takes roughly 5h 16m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- BTV — Burlington International Airport · Burlington, 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 BTV
- PBG · Plattsburgh International Airport20 mi away
- MVL · Morrisville Stowe State Airport27 mi away
- MPV · Edward F Knapp State Airport35 mi away
- LKP · Lake Placid Airport42 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 BTV from ONT?
The flight distance from Burlington (BTV) to Ontario (ONT) is 2,451 miles (3,945 km, 2,130 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTV to ONT?
A nonstop flight takes about 5h 16m 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 Burlington and Ontario?
Ontario is 3 hours behind Burlington.
What is the cheapest way to fly from BTV to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTV–ONT that never appear on search engines, with no booking fees.