Today's drop ·
Cheap flights from Washington Reagan to Lisbon
$803 round trip right now, 22% under the $1032 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 $803 on American Airlines, 1 stop, against a usual $1032. 22% below the usual fare.
When to go
The cheapest dates fall in Dec, for trips of 7 to 14 nights. Dec in Lisbon runs around 72°. 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
Lisbon 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 Reagan to Lisbon?+
Right now $803 round trip, on American Airlines. The route usually costs $1032, so this fare is 22% under. Checked Nov 3, 2026.
When are the cheapest dates to fly to Lisbon?+
The cheapest dates Telly found are in Dec, for trips of 7 to 14 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 Washington Reagan to Lisbon?+
Yes. Lisbon is outside the US and Canada, and every flight on Telly leaves the country, so every one needs a passport.
