To save up to 78% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Missouri to Lisbon from $1313 1-2 weeks out and tickets from $1956 for flights departing within the next 72 hours.
The best pricing can be found in the month of February. Prices to Lisbon from Missouri average $915. You can even find prices in February for less than $915, as users have found deals to Lisbon from as low as $497. The month of August appears to be one of the more expensive times to travel to Lisbon from Missouri. Flying in the targeted month can save you up to 41%.