$181+ Cheap flights from Chicago (CHI) to London (LON)

TAP AIR PORTUGAL, at $463, was found to be the cheapest airline from Chicago to London.Alternate airlines to your destination round-trip include Icelandair and Scandinavian Airlines. TAP AIR PORTUGAL is 38% cheaper than the average price of flights available within the next 90 days to this destination.

$201 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on TAP AIR PORTUGAL and JetBlue, with prices starting from $312 and $337, respectively.

The most popular route from Chicago to London is Chicago O'Hare Intl - London Heathrow. You may also consider Chicago O'Hare Intl - London City or Chicago O'Hare Intl - London Gatwick.

Before booking your flight to London from Chicago, check out the most reliable airlines to get you to your destination on time: Royal Jordanian (78%), Brussels Airlines (77%), Air Canada( 76%).

Looking at all options, your cheapest flight can be booked for $383. While the most popular route (Chicago O'Hare Intl - London Heathrow) can be booked for $463 on average our data indicates $1,694 when flying from Chicago to London.

Of the flights from Chicago to London that have layovers, most of them stop in Reykjavik. Dublin sees the next most layovers on Chicago to London flights. Copenhagen sees the third most layovers on flights from Chicago to London.

Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $47 per day to make their sightseeing more efficient.

Most Dublin visitors opt to spend their time at Molly Malone Statue, St. Patrick's Cathedral, and Dublin Castle. Molly Malone Statue, St. Patrick's Cathedral and Dublin Castle are located about 5.8 mi, 6.1 mi, and 5.8 mi, respectively from Dublin if you are interested in checking them out. Those on a layover in Dublin in need of a rental car can book one at Dublin for about $18.

Copenhagen travelers tend to visit Tivoli, Kongens Nytorv, and Rådhuspladsen more than any other attractions. Those on a layover in Copenhagen interested in visiting Tivoli, Kongens Nytorv, or Rådhuspladsen can do so by traveling 5.3 mi, 5.1 mi, and 5.2 mi, respectively from Kastrup Copenhagen. Those landing in Copenhagen looking to spend some time exploring during their layover can rent a car for about $31 per day.

Chicago to London flights have a layover in Stockholm least often. Stockholm is followed by Lisbon in terms of the least popular layover location on flights from Chicago to London.

Yes. In addition to deals on Chicago to London flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to London.

Yes. Cheapflights offers flight deals from Chicago to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, November is the cheapest month in which you can book a flight from Chicago to London (average of $648). Flying from Chicago to London in June is currently the most expensive (average of $1,089). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.