Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : For the month of July, Tuesday is your lowest-cost day to fly. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
Question : How many days should you spend in London?
Answer : Passengers from ORD to LGW stay 14 days on average.
Question : Should you take that vacation to London in the next 30 days?
Answer : Since low prices are preferred, look at Jul 11th. As of Jun 19th, it's showing the cheapest ticket sales at $688. That is 41% below the average price for this route, so you can spend that extra money on an adventure in London.
Question : What price range should you expect when booking from Chicago (ORD) to London (LGW)?
Answer : Flight prices change much more than most routes from the United States for ORD to LGW. They range anywhere from $339 to $3,022. However, the sooner you book, the more you'll be able to save.