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STL to YHM: distance & flight time
St. Louis (St Louis Lambert International Airport) → Hamilton (John C. Munro Hamilton International Airport)
624 mi
1,004 km · 542 nm
1h 49m
estimated nonstop flight time
+1h
time difference · heading northeast
See live STL→YHM fares Phone-only fares on this route — call free
Flight time details
624 miles nonstop takes roughly 1h 49m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- YHM — John C. Munro Hamilton International Airport · Hamilton, Canada
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 STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Near YHM
- YYZ · Lester B. Pearson International Airport38 mi away
- DU9 · Dunnville Airport27 mi away
- YKF · Waterloo Airport30 mi away
- YCM · Niagara District Airport38 mi away
Frequently asked questions
How far is STL from YHM?
The flight distance from St. Louis (STL) to Hamilton (YHM) is 624 miles (1,004 km, 542 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to YHM?
A nonstop flight takes about 1h 49m 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 St. Louis and Hamilton?
Hamilton is 1 hour ahead of St. Louis.
What is the cheapest way to fly from STL to YHM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–YHM that never appear on search engines, with no booking fees.