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YTH to ONT: distance & flight time

Thompson (Thompson Airport) → Ontario (Ontario International Airport)

1,772 mi
2,852 km · 1,540 nm
3h 56m
estimated nonstop flight time
-2h
time difference · heading southwest
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Flight time details

1,772 miles nonstop takes roughly 3h 56m 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.

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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 YTH from ONT?

The flight distance from Thompson (YTH) to Ontario (ONT) is 1,772 miles (2,852 km, 1,540 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from YTH to ONT?

A nonstop flight takes about 3h 56m 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 Thompson and Ontario?

Ontario is 2 hours behind Thompson.

What is the cheapest way to fly from YTH to ONT?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YTH–ONT that never appear on search engines, with no booking fees.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