BA and Virgin Atlantic have both announced cuts in their fuel surcharges.
Virgin cited a "recent, sustained decrease in the price of crude oil" for its move.
BA said it would take £13 off long haul flights of more than nine hours and £10 off long haul journeys of under nine hours for World Traveller passengers.
This will cut the surcharge on the longer flights to £96 per sector and to £68 per sector on the shorter trips.
For World Traveller Plus passengers, the airline said it will cut the surcharge by £6.50 and £5 respectively on the longer and shorter flights.
These passengers will now pay surcharges of £114.50 and £83 per flight.
Virgin said its surcharges will be reduced by £10 on shorter long haul routes and by £13 on longer ones for economy class passengers.
Premium economy passengers will pay £5 less on shorter flights and £6.50 less on longer ones.
The new surcharge for economy passengers on longer routes is £96 and £68 for shorter ones.
For Premium economy, the new surcharge is £83 on shorter routes and £114.50 on longer ones.
Virgin's Upper Class passengers will continue to pay the current surcharge of £98 on shorter flights and £133 on longer ones.
The new surcharges for both airlines come into effect tonight (October 15) at midnight.
The cut in surcharges by BA was slammed by Ryanair which described it as marginal and a token gesture.
The Irish low cost carrier added that BA was "still ripping its passengers off with unjustified fuel surcharges" and called on the airline to cut its surcharges by "at least 40%."
BA and Virgin join Air France and KLM in reducing fuel surcharges this month.
Visit www.ba.com and www.virgin-atlantic.com