Cheapest return flights from Chicago to London in April from 509€

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 April 2025 (see full year).

Return flights

29 Apr - 13 May Icelandair
03 Apr - 24 Apr Icelandair
03 Apr - 12 Apr Icelandair
24 Apr - 29 Apr Icelandair
23 Apr - 27 Apr Icelandair
23 Apr - 07 May Icelandair
08 Apr - 14 Apr Icelandair
15 Apr - 24 Apr Aer Lingus
25 Apr - 02 May Icelandair
01 Apr - 29 Apr Aer Lingus
16 Apr - 24 Apr Aer Lingus
01 Apr - 10 Apr Air Canada
28 Apr - 02 May Icelandair
01 Apr - 09 Apr Aer Lingus
30 Apr - 15 May Finnair
29 Apr - 08 May Aer Lingus
29 Apr - 13 May Iberia direct
29 Apr - 07 May Iberia direct
29 Apr - 08 May Iberia direct
30 Apr - 15 May Iberia direct

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

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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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