Cheapest one-way flights from Chicago to London in April from $225

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

AirHint found the following cheapest one-way flights from Chicago (ORD) to London (LGW) in April 2025 (see full year).

One-Way flights

02 Apr Spirit Airlines
01 Apr Frontier Airlines
08 Apr Frontier Airlines
06 Apr Spirit Airlines
29 Apr Spirit Airlines
04 Apr Spirit Airlines
07 Apr Icelandair
15 Apr Icelandair
21 Apr Icelandair
27 Apr Icelandair

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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