The airlines will increase their fuel surcharge from Rs 1,800 to Rs 1,950 for routes up to 750 km and from Rs 2,000 to Rs 2,350 for routes longer than 750 km.
Other airlines are likely to follow suit and increase their fuel surcharge.
Jet Airways and SpiceJet will increase the surcharge by Rs 150 on short-haul routes and Rs 350 on long-haul routes, sources in the airlines were quoted as saying by news agencues.
While Jet will make the hike effective from May 3, SpiceJet will do it from May 2.
The crude oil has touched $120 a barrel mark in the international markets, putting financial pressure on oil firms.