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TRI to ALN: distance & flight time

BRISTOL (Tri-Cities Regional TN/VA Airport) → Alton/St Louis (St Louis Regional Airport)

450 mi
724 km · 391 nm
1h 27m
estimated nonstop flight time
—
time difference · heading northwest
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Flight time details

450 miles nonstop takes roughly 1h 27m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.

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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 TRI from ALN?

The flight distance from BRISTOL (TRI) to Alton/St Louis (ALN) is 450 miles (724 km, 391 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from TRI to ALN?

A nonstop flight takes about 1h 27m 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 cheapest way to fly from TRI to ALN?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRI–ALN that never appear on search engines, with no booking fees.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