Cheapest return flights from Chicago to London in May from $639

Best time to book flights for Chicago (ORD) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to London (LHR) in May 2024 (see full year).

Return flights

19 May - 31 May Air Canada
21 May - 31 May Air Canada
20 May - 27 May TAP
19 May - 27 May Air Canada
19 May - 06 Jun Delta
19 May - 31 May American Airlines direct
21 May - 28 May American Airlines direct
21 May - 31 May American Airlines direct
19 May - 03 Jun SWISS
19 May - 28 May British Airways direct
19 May - 06 Jun United direct
20 May - 28 May SWISS
20 May - 29 May SWISS
22 May - 05 Jun American Airlines
29 May - 05 Jun American Airlines
30 May - 05 Jun American Airlines
23 May - 06 Jun Iberia
30 May - 06 Jun Iberia
30 May - 03 Jun British Airways
23 May - 06 Jun Iberia direct

Also check the deals for one-way flights from Chicago to London in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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