Question : Looking for the cheapest flight over the next 30 days?
Answer : Since low prices are preferred, look at Jul 24th. As of Jun 26th, it's showing the cheapest ticket sales at $1,172. That is 61% below the average price for this route, so you can spend that extra money on a fun experience in Porto.
Question : How long do most people visit Porto?
Answer : Of course you're not most people, but if you were, you'd stay roughly 11 days.
Question : Over the coming months, which airline is getting their passengers to Porto Airport (OPO) round-trip the cheapest?
Answer : Delta Air Lines is your best bet for finding that coveted low fare. They're offering fares as low as $688, while prices for other flights are as high as $7,536.
Question : What price range should you expect when booking from Chicago (ORD) to Porto (OPO)?
Answer : Prices for this trip tend to change much more than other flights from the United States. They can vary anywhere from $688 to $7,536. The further out you book a route, the more likely you are to save.
Question : Would you be willing to change your travel days if it saved you money?
Answer : The cheapest day to fly in July is Monday. Flexibility is paramount when booking travel plans in order to keep travel costs down.