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STL to YIF: distance & flight time
St. Louis (St Louis Lambert International Airport) → St-Augustin (St Augustin Airport)
1,753 mi
2,822 km · 1,524 nm
3h 54m
estimated nonstop flight time
+1h
time difference · heading northeast
See live STL→YIF fares Phone-only fares on this route — call free
Flight time details
1,753 miles nonstop takes roughly 3h 54m 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
- YIF — St Augustin Airport · St-Augustin, 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 YIF
- ZLT · La Tabatière Airport30 mi away
- ZTB · Tête-à-la-Baleine Airport49 mi away
- YBX · Lourdes de Blanc Sablon Airport66 mi away
- YHR · Chevery Airport67 mi away
Frequently asked questions
How far is STL from YIF?
The flight distance from St. Louis (STL) to St-Augustin (YIF) is 1,753 miles (2,822 km, 1,524 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to YIF?
A nonstop flight takes about 3h 54m 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 St-Augustin?
St-Augustin is 1 hour ahead of St. Louis.
What is the cheapest way to fly from STL to YIF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–YIF that never appear on search engines, with no booking fees.