Cheapest return DTW–LHR flights, May

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

Return flights

09 May - 21 May Spirit Airlines
09 May - 17 May Spirit Airlines
23 May - 31 May WestJet
27 May - 04 Jun WestJet
06 May - 12 May Spirit Airlines
28 May - 06 Jun Air Canada
18 May - 24 May jetBlue
10 May - 17 May jetBlue
09 May - 18 May jetBlue
11 May - 16 Jun Spirit Airlines
28 May - 07 Jun WestJet
10 May - 14 May Frontier Airlines
26 May - 05 Jun Frontier Airlines
06 May - 13 May Spirit Airlines
26 May - 30 May WestJet
21 May - 04 Jun WestJet
30 May - 20 Jun jetBlue
31 May - 13 Jun British Airways
25 May - 18 Jun WestJet
26 May - 18 Jun Turkish Airlines

Also check the deals for one-way flights from Detroit to London in May.

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