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YST to IAH: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Houston (George Bush Intercontinental Houston Airport)
1,649 mi
2,654 km · 1,433 nm
3h 42m
estimated nonstop flight time
Same time
time difference · heading south
See live YST→IAH fares Phone-only fares on this route — call free
Flight time details
1,649 miles nonstop takes roughly 3h 42m gate to gate, flying south. 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.
The two airports
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- IAH — George Bush Intercontinental Houston Airport · Houston, 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 YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 mi away
Near IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Frequently asked questions
How far is YST from IAH?
The flight distance from St. Theresa Point (YST) to Houston (IAH) is 1,649 miles (2,654 km, 1,433 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to IAH?
A nonstop flight takes about 3h 42m 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 YST to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–IAH that never appear on search engines, with no booking fees.