Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : Since low prices are preferred, look at Mar 1st. As of Feb 20th, it's showing the cheapest ticket sales at $501. That is 60% below the average price for this route, so you can spend that extra cash on an adventure in Delhi.
Question : Are you paying the cheapest or highest price for your ticket to Delhi?
Answer : Ranging from $501 to $1,938, prices for AGP to DEL do change more than most routes from Spain and Canary Islands. However, the sooner you book, the more you'll be able to save.
Question : What is the cheapest round-trip ticket you can get to Delhi?
Answer : Aeroflot is your best bet for finding that coveted low fare. They're offering fares as low as $501, while prices for other flights are as high as $1,938.
Question : How long do most people stay in Delhi?
Answer : Of course you're not most people, but if you were, you'd stay roughly 11 days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The cheapest day to fly in March is Wednesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.