On the Hyderabad-Bengaluru route, for example, AirAsia is offering an all-inclusive fare starting at Rs 1,199. Also, the airline is offering tickets starting at Rs. 1,399 on some flights - Bhubaneswar-Kolkata, Ranchi-Kolkata, Kochi-Bengaluru and Guwahati-Imphal, its website noted.
Without divulging the total number of seats available under the promotional scheme, AirAsia said: "Seats are limited and may not be available on all flights... Valid for new purchases only... "
Another airline IndiGo said on microblogging site Twitter: "Freedom calling! Book now for the long weekend & fly down to your favourite places." In a video shared within the tweet, IndiGo mentioned destinations including New Delhi, Kerala and Udaipur.
British airline Virgin Atlantic is offering a 30 per cent discount on return flights to the UK from three Indian cities as part of a special sale aimed at Independence Day. The limited-period sale will be open till August 11 for travel up to March 31, 2018.
As part of the scheme, a discount of 30 per cent will be offered on return flights in Economy, Premium Economy or Upper Class cabins, the airline said.
Many airlines have announced discounted fares in the recent past.
Extended weekends are opportune for airlines to attract flyers especially in the lean season, which begins after the summer holidays and lasts until Diwali season, analysts say.
IndiGo was last week offering tickets starting at Rs. 1,111 in a limited-period sale. IndiGo's special scheme covered destinations including Mumbai, Goa, Bengaluru, Guwahati, Kolkata and Chennai.
Domestic air passenger traffic has witnessed growth of around 20 per cent over the past few months.
In June, it rose 19.98 per cent to 95.68 lakh from 79.75 lakh reported the corresponding period a year ago, data from aviation regulator DGCA (Directorate General of Civil Aviation) showed.