Delhi (DEL) to Trivandrum (TRV): 1,387 miles (2,232 km) great-circle, about 3h 15m nonstop by our estimate. Cheapest fare observed: $229 round-trip on Air India, nonstop, departing May 16, 2026.
$229 round-trip, Air India AI829, departing 2026-05-16 at 22:55, returning 2026-05-26. The recorded itinerary left on a Saturday, returning on a Tuesday 10 nights later; the fare was observed 21 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $229, it ranked 11th of the 30 round-trip fares we recorded from DEL (median $371). That is 16.5 cents per great-circle mile (round-trip price over one-way distance), below the DEL median of 27.9 cents across 30 round-trip routes.
Routes from DEL of similar length: Dubai (1,356 mi) at $475 and Colombo (1,488 mi) at $348.
Air India had the cheapest fare on 4 of 30 DEL routes. It is the 14th longest of the 30 routes we track from DEL.
Of 4 departure airports with a fare to Trivandrum, Delhi (DEL) ranked 2nd at $229. Lowest: $171 from Mumbai (BOM); highest: $486 from Riyadh (RUH); 1 nonstop. Cheapest-fare airlines (routes): Air India (4).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Kolkata, Asia/Kolkata; flight time is our estimate.