Question : Is the price you found a good deal?
Answer : Ranging from $1,370 to $1,719, prices for BIL to LIS fluctuate a lot less than most routes from the United States. Remember, the sooner you book, the better price you tend to get.
Question : Who's offering the cheapest round-trip flight to Lisbon Portela Airport (LIS) over the coming months?
Answer : United Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $1,370, while prices for other flights are as high as $1,719.
Question : Do travelers from Billings typically stay in Lisbon for very long?
Answer : The average time spent in Lisbon by travelers from Billings is about two weeks.