Finair offers cheap flights from Chicago to London starts from price $414 roundtrip.
Perfect time to visit London. Departure is on Friday and return on Tuesday. Treat yourself for an extended weekend and enjoy the atmosphere of the city in which the British Royal Family resides.
Attention: Finair allow only one piece of baggage with the maximum weight of 23 kg (50 lb) and external dimensions (length + width + height) of up to 158 cm (62 in)