Today's drop ·
Cheap flights from Detroit to St. Lucia
$536 round trip right now, 36% under the $836 this route usually costs.
How cheap is this?
Telly prices every departure date six months out on this route, for trips of 2 to 14 nights, and measures each fare against what the route usually costs. The cheapest round trip right now is $536 on Air Canada, 1 stop, against a usual $836. Best price on this route in a month.
When to go
The cheapest dates fall in Nov–Dec, for trips of 5 to 11 nights. Nov in St. Lucia runs around 84°. The dates come picked because a cheap fare only exists on certain days; the exact ones and the booking link are in the app.
Passport required
St. Lucia is outside the US and Canada, so you need a passport. Every flight on Telly leaves the country; that is the whole filter.
Questions about this route
How much is a flight from Detroit to St. Lucia?+
Right now $536 round trip, on Air Canada. The route usually costs $836, so this fare is 36% under. Checked Nov 3, 2026.
When are the cheapest dates to fly to St. Lucia?+
The cheapest dates Telly found are in Nov–Dec, for trips of 5 to 11 nights. It prices every departure date six months out on this route and keeps only the lowest. The exact dates are in the app.
Do I need a passport to fly from Detroit to St. Lucia?+
Yes. St. Lucia is outside the US and Canada, and every flight on Telly leaves the country, so every one needs a passport.
