Today's drop ·

Cheap flights from Washington Dulles to Cancún

$499 round trip right now, 26% under the $678 this route usually costs.

Cancún

How cheap is this?

Telly prices every departure date in the next week 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 $499 on Air Canada, 1 stop, against a usual $678. 26% below the usual fare.

When to go

The cheapest dates fall in Nov, for trips of 3 to 12 nights. Nov in Cancún 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

Cancún 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 Washington Dulles to Cancún?+

Right now $499 round trip, on Air Canada. The route usually costs $678, so this fare is 26% under. Checked Nov 4, 2026.

When are the cheapest dates to fly to Cancún?+

The cheapest dates Telly found are in Nov, for trips of 3 to 12 nights. It prices every departure date in the next week on this route and keeps only the lowest. The exact dates are in the app.

Do I need a passport to fly from Washington Dulles to Cancún?+

Yes. Cancún is outside the US and Canada, and every flight on Telly leaves the country, so every one needs a passport.

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