Cheapest one-way flights from Chicago to London in April from 277€

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

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

One-Way flights

01 Apr Frontier Airlines
27 Apr TAP
24 Apr jetBlue
27 Apr Iberia direct
01 Apr British Airways direct
20 Apr British Airways direct
10 Apr Alaska Airlines
13 Apr British Airways direct
24 Apr British Airways direct
10 Apr Finnair direct

Also check the deals for return flights from Chicago to London in April.

Skyscanner

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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