Cheapest return flights from Houston to London in May from $615

AirHint found the following cheapest return flights from Houston (IAH) to London (LHR) in May 2026 (see full year).

Return flights

12 May - 22 May British Airways direct
07 May - 22 May Iberia direct
20 May - 26 May Iberia direct
13 May - 30 May British Airways direct
14 May - 22 May Iberia direct
12 May - 06 Jun British Airways direct
03 May - 10 May British Airways direct
08 May - 15 May British Airways direct
21 May - 26 May British Airways direct
19 May - 13 Jun Air Canada
18 May - 25 May British Airways direct
15 May - 06 Jun Iberia direct
14 May - 23 May Iberia direct
27 May - 20 Jun British Airways direct
25 May - 08 Jun British Airways direct
28 May - 04 Jun British Airways direct
19 May - 13 Jun British Airways direct

Also check the deals for one-way flights from Houston 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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