Today's drop ·
Cheap flights from Detroit to San José
$520 round trip right now, 30% under the $746 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 $520 on Southwest Airlines, 1 stop, against a usual $746. 18% under usual, among this route's lowest.
When to go
The cheapest dates fall in Apr, for trips of 2 to 9 nights. Apr in San José runs around 79°. 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
San José 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 San José?+
Right now $520 round trip, on Southwest Airlines. The route usually costs $746, so this fare is 30% under. Checked Nov 4, 2026.
When are the cheapest dates to fly to San José?+
The cheapest dates Telly found are in Apr, for trips of 2 to 9 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 San José?+
Yes. San José is outside the US and Canada, and every flight on Telly leaves the country, so every one needs a passport.
