Cheapest return flights from Dallas-Fort Worth to London in December from $615

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to London (LHR) in December 2025 (see full year).

Return flights

10 Dec - 17 Dec Spirit Airlines
03 Dec - 09 Dec Frontier Airlines
02 Dec - 06 Dec Spirit Airlines
05 Dec - 12 Dec Spirit Airlines
03 Dec - 09 Dec Iberia direct
10 Dec - 16 Dec British Airways direct
30 Dec - 13 Jan British Airways direct
08 Dec - 12 Dec Spirit Airlines
03 Dec - 08 Dec Spirit Airlines
31 Dec - 09 Jan Iberia
10 Dec - 27 Dec Finnair direct
12 Dec - 20 Jan Frontier Airlines
11 Dec - 18 Dec Spirit Airlines
12 Dec - 19 Jan Frontier Airlines
29 Dec - 24 Jan Frontier Airlines
30 Dec - 24 Jan British Airways direct
25 Dec - 17 Jan Finnair
16 Dec - 10 Jan Frontier Airlines
11 Dec - 19 Jan Finnair
31 Dec - 07 Jan Spirit Airlines

Also check the deals for one-way flights from Dallas-Fort Worth to London in December.

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