Cheapest return flights from Houston to London in May from 547€

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

Return flights

06 May - 20 May Air Canada
06 May - 20 May British Airways direct
05 May - 16 May Delta
01 May - 05 May Finnair direct
18 May - 28 May United direct
06 May - 30 May British Airways direct
05 May - 30 May British Airways direct
12 May - 06 Jun British Airways direct
09 May - 16 May British Airways direct
13 May - 30 May United
14 May - 06 Jun British Airways direct
21 May - 08 Jun British Airways direct
15 May - 06 Jun British Airways direct
05 May - 16 May Austrian Airlines direct
27 May - 17 Jun British Airways direct
25 May - 20 Jun British Airways direct
26 May - 15 Jun British Airways direct
27 May - 13 Jun British Airways direct
25 May - 08 Jun WestJet
25 May - 08 Jun Austrian Airlines 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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