Cheapest one-way flights from Chicago to London in April from $321

AirHint found the following cheapest one-way flights from Chicago (ORD) to London (LGW) in April 2026 (see full year).

One-Way flights

26 Apr Sun Country Airlines
28 Apr Air Canada
20 Apr Iberia
03 Apr TAP
14 Apr Icelandair
06 Apr Icelandair
15 Apr Icelandair
29 Apr Icelandair
17 Apr TAP
16 Apr Iberia

Also check the deals for return 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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