Cheapest return flights from Trenton to London in December from $721

AirHint found the following cheapest return flights from Trenton (TTN) to London (LGW) in December 2025 (see full year).

Return flights

06 Dec - 13 Dec Frontier Airlines
05 Dec - 12 Dec Frontier Airlines
04 Dec - 07 Dec Frontier Airlines
14 Dec - 19 Dec Frontier Airlines

Also check the deals for one-way flights from Trenton to London in December.

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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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