$228 Find Cheap Flights from Chicago O'Hare Airport to United Kingdom - Compare and Save

The cheapest ticket to the United Kingdom from Chicago O'Hare Intl Airport found in the last 5 days was to London, at $856 round-trip. The most popular route is from Chicago O'Hare Intl Airport (ORD) to London Heathrow Airport (LHR), and the cheapest round-trip airline ticket found on this route in the last 5 days was $856.

The cheapest time of day to fly to the United Kingdom is generally in the evening, when round-trip flights cost $949 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to the United Kingdom is generally at night, which is peak travel time and where the average cost of a ticket is $962.

No, with an average price for the route of $1,000, prices are generally cheapest when you fly direct.

The cheapest month for flights from Chicago O'Hare Intl Airport to the United Kingdom is January, when tickets cost $635 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $1,360 and $1,109 respectively.

If you are looking for a flight deal from Chicago O'Hare Airport to United Kingdom, look for departures on Tuesdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from United Kingdom, Thursday is the cheapest day to fly and Saturday is the most expensive.

To get a below average price on the flight from Chicago O'Hare Intl Airport to the United Kingdom, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

There are 10 airlines that fly nonstop from Chicago O'Hare Intl Airport to the United Kingdom. They are: American Airlines, Alaska Airlines, Austrian Airlines, Aer Lingus, Finnair, Iberia, United Airlines, SWISS, Lufthansa and British Airways. The cheapest price of all airlines flying this route was found with SWISS at $458 for a round-trip flight to London Heathrow Airport (LHR). On average, SWISS offers the best prices for nonstop flights between Chicago O'Hare Intl Airport and United Kingdom.

American Airlines connects Chicago O'Hare Intl Airport to the United Kingdom with 62 flights per week. Alaska Airlines also offers 62 flights per week, while British Airways follows with 62 flights per week.

The duration of a flight to the United Kingdom depends on your arrival airport. The shortest routes to the United Kingdom from Chicago O'Hare Intl Airport are to Edinburgh, which takes 7h 45m, Glasgow, which takes 9h 00m, and Birmingham, which takes 10h 10m.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from Chicago O'Hare Intl Airport to the United Kingdom departs at 4:25 pm, landing in London at 6:45 am.

If you prefer to fly at night, the latest flight from Chicago O'Hare Intl Airport to the United Kingdom jets off at 10:30 pm and lands in London at 12:15 pm.