Ticket Prices for Delhi to Thiruvananthapuram Flights
The cheapest one-way flight from Delhi to Thiruvananthapuram is currently $52
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The cheapest round-trip flight from Delhi to Thiruvananthapuram is currently $89
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The cheapest last-minute weekend getaway from Delhi to Thiruvananthapuram is currently $133
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The cheapest business class one-way from Delhi to Thiruvananthapuram is currently $220
Book NowDelhi To Thiruvananthapuram Flights: Long-Haul Domestic Travel From DEL To TRV
Few domestic routes connect two completely different parts of India quite like this one. Delhi and Thiruvananthapuram sit more than 2,200 km apart, making this a popular long-haul domestic journey for tourists, government employees, students, and families visiting Kerala.
Indira Gandhi International Airport (DEL) serves as the starting point for travelers heading south, while Thiruvananthapuram International Airport (TRV) provides access to Kerala’s capital city and nearby coastal destinations. Delhi to Thiruvananthapuram flights remain in demand year-round thanks to a healthy mix of business, leisure, and visiting-friends-and-relatives traffic.
Airlines Operating Delhi (DEL) to Thiruvananthapuram (TRV) Flights
Passengers flying between DEL and TRV can choose from IndiGo, Air India, and Vistara services, depending on schedules and seasonal availability. Nonstop flights offer the quickest way south, while one-stop itineraries frequently route through Bengaluru (BLR), Chennai (MAA), or Mumbai (BOM).
Route Options Between Delhi (DEL) To Thiruvananthapuram (TRV)
| Category | Details |
| Route | DEL → TRV |
| Departure | Indira Gandhi International Airport (DEL) |
| Arrival | Thiruvananthapuram International Airport (TRV) |
| Distance | ~2,250 km |
| Stops | Non-stop / 1 stop |
| Duration | ~3 hr 30 min – 6 hr |
| Main Layovers (if any) | Bengaluru / Chennai / Mumbai |
| Airlines | IndiGo / Air India / Vistara |
| Cheapest Month to Fly | July / August |
| Cheapest Day to Book | Tuesday ✈️ |
Other Popular Routes from Delhi (DEL) To Thiruvananthapuram (TRV)
Delhi to Ahmedabad
DEL - AMD10 Jul, 2026
Delhi to Kolkata
DEL - CCU09 Jul, 2026
Delhi to Mumbai
DEL - BOM10 Jul, 2026
Delhi to Bangalore
DEL - BLR11 Jul, 2026
Delhi to Hyderabad
DEL - HYD08 Jul, 2026
Delhi to Chennai
DEL - MAA10 Jul, 2026
Frequently Asked Questions
Q: Is paying extra for a nonstop flight from Delhi (DEL) to Thiruvananthapuram (TRV) usually worth it?
A: For many travelers, yes. A nonstop flight can cut several hours from the overall journey and eliminate the uncertainty that sometimes comes with airport connections.
Q: Which airline typically offers the most departure choices on the DEL to TRV route?
A: IndiGo often provides the widest range of schedules between Delhi and Thiruvananthapuram. More flight options can make it easier to balance timing and price.
Q: Why do some travelers choose a Bengaluru (BLR) connection for the DEL to TRV route instead of flying direct?
A: Cost is usually the main reason. One-stop itineraries through Bengaluru (BLR) can occasionally be priced significantly lower than nonstop services, especially during peak travel periods.
Q: When do Delhi to Thiruvananthapuram flights tend to be cheapest?
A: July and August are commonly among the more affordable months for this route. Lower seasonal demand can create better pricing opportunities for flexible travelers.
Q: How busy is Indira Gandhi International Airport (DEL) for southbound flights?
A: DEL experiences heavy passenger traffic throughout the day. Arriving at least two hours before departure helps reduce stress and allows enough time for security and boarding procedures.
Q: What makes Thiruvananthapuram International Airport (TRV) convenient for Kerala travelers?
A: TRV provides direct access to Kerala's capital city and nearby tourist destinations such as Kovalam. Many travelers choose this airport because it reduces onward travel time after arrival.
Q: Are morning departures from DEL to TRV usually a better choice?
A: They can be. Early departures often provide more schedule flexibility if disruptions occur and may also offer better onward transportation options after arrival in Thiruvananthapuram.
Q: What booking habit do frequent travelers use on the DEL to TRV route?
A: Many monitor fares for several weeks instead of booking immediately. Tracking prices early often helps identify temporary fare drops before demand increases closer to departure.
*We also provide Delhi to Thiruvananthapuram flights at the lowest airfares.