August is the cheapest month to fly this route, with average fares around $56 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $110 | $48 | Peak | |
| June 2026 | $72 | $48 | ||
| July 2026 | $65 | $53 | ||
| August 2026 | $56 | $49 | Best |
Departing on Tuesday offers the lowest average fares at $58. Saturday departures are the most expensive at $87, a difference of $29.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Lisbon to Madrid is August, with average round-trip fares around $56. The lowest fare found in August is $49.
Tuesday departures are the cheapest, averaging $58 round trip. The most expensive day is Saturday at $87.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $110 compared to $56 in the cheapest month. June is a solid middle-ground option at $72.
Flying in August instead of May can save you approximately $54 per round trip. The cheapest month averages $56 while the most expensive averages $110.
Airlines, flight times, price calendar, and more for Lisbon to Madrid
View LIS → MAD Details