Delhi (DEL) to Istanbul (IST): 2,838 miles (4,567 km) great-circle, about 6h 10m nonstop by our estimate. Cheapest fare observed: $410 round-trip on Kuwait Airways, with 1 stop, departing July 15, 2026.
$410 round-trip, Kuwait Airways KU382, departing 2026-07-15 at 03:00, returning 2026-07-18. The recorded itinerary left on a Wednesday, returning on a Saturday 3 nights later; the fare was observed 81 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $410, it ranked 17th of the 30 round-trip fares we recorded from DEL (median $371). That is 14.4 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: Moscow (2,713 mi) at $213 and Minsk (3,005 mi) at $830.
DEL to IST is the only one of 30 DEL routes where Kuwait Airways priced cheapest. It is the 4th longest of the 30 routes we track from DEL.
Of 117 departure airports with a fare to Istanbul, Delhi (DEL) ranked 49th at $410. Lowest: $60 from Antalya (AYT); highest: $1639 from Wellington (WLG); 29 nonstop. Cheapest-fare airlines (routes): Pegasus Airlines (13), Qatar (7), WestJet (6), Wizz Air (6), Gulf Air (5) and Turkish (5), plus 51 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Kolkata, Europe/Istanbul; flight time is our estimate.