Question : Who's offering the cheapest round-trip flight to Quad City International Airport (MLI) over the coming months?
Answer : Delta Air Lines is your best bet for finding that coveted low fare. They're offering fares as low as $418, while prices for other flights are as high as $551.
Question : Do prices fluctuate more for this route than others?
Answer : Flight prices are fluctuating a lot less for this route than the majority of routes in the United States, as they're ranging from $418 to $551. Prices tend to be lower the further out you book.
Question : How many days should you spend in Moline?
Answer : Travelers from MHT to MLI stay eight days on average.