Already thinking ahead to Thanksgiving plans? It's never too early to put your feelers out for holiday deals. Searching Norwegian, we found seats for $371 nonstop, departing Chicago on Wednesday, November 21, returning from LGW on the following Wednesday, November 28.

Other dates are also available for travel throughout November, with slightly higher fares ($381) for October travel.

Passengers are allowed one carry on bag weighing no more than 22lbs. The fee for one checked bag is $45 each way.

See our Chicago ORD fare listings for a complete look at current finds.

Need a room in London? Here's what's available for the above dates on Hotelwatchdog.

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