August is the cheapest month to fly this route, with average fares around $981 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $1185 | $1020 | Peak | |
| June 2026 | $1092 | $876 | ||
| July 2026 | $990 | $876 | ||
| August 2026 | $981 | $936 | Best |
Departing on Tuesday offers the lowest average fares at $954. Saturday departures are the most expensive at $1153, a difference of $199.
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 Los Angeles to Lisbon is August, with average round-trip fares around $981. The lowest fare found in August is $936.
Tuesday departures are the cheapest, averaging $954 round trip. The most expensive day is Saturday at $1153.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $1185 compared to $981 in the cheapest month. June is a solid middle-ground option at $1092.
Flying in August instead of May can save you approximately $204 per round trip. The cheapest month averages $981 while the most expensive averages $1185.
Airlines, flight times, price calendar, and more for Los Angeles to Lisbon
View LAX → LIS Details