Dehradun to Singapore flight guide — 1-stop via Delhi, airlines, fares, terminals and Singapore visa for Indians.
Pick which sources FlightGPT queries. Toggle a source off to skip it during search.
Fares and prices quoted in this guide are indicative estimates only — illustrative, not live quotes, and may be out of date. Search FlightGPT for current fares before booking.
Quick answer: Dehradun to Singapore flights take about ≈ 8h–10h (1-stop), operated by IndiGo, Air India, Singapore Airlines (ex-Delhi), with around 1-stop via Delhi (no non-stop) direct departures a day. Indian passport holders should check the visa requirement summarised below. Use the live search above to compare today's cheapest DED–SIN fare across every airline, OTA and travel agent in one place.
Last reviewed July 2026 by the FlightGPT flights desk · route facts cross-checked against DGCA and the Airports Authority of India (AAI) · how we collect fares · editorial policy · fact-checking · fares are live — verify the final price in search before booking.
Looking for cheap flights from Dehradun to Singapore? FlightGPT compares live DED to SIN fares across every connected source — Indian carriers, Gulf hubs, OTAs and trusted travel agents — and shows the cheapest options side by side. Whether you want a Dehradun to Singapore non-stop tomorrow, a last-minute weekend deal or the lowest price three months out, every active Dehradun-Singapore fare is one search away.
Jolly Grant Airport (DED) handles only domestic traffic, so all Dehradun–Singapore itineraries involve a domestic leg to a hub followed by an international flight. Delhi (IGI, DEL) is by far the most common connection point: the DED–DEL leg takes ≈ 55–65 minutes, and Delhi–Singapore (SIN) is roughly 5 hours 30 minutes, giving about 7–8 hours of total flying. Singapore Airlines operates a premium Delhi–Singapore service multiple times daily, while Air India and IndiGo also fly the route directly. A secondary routing via Kuala Lumpur adds roughly 2 hours to total travel but can occasionally be cheaper with AirAsia or Malaysian Airlines serving the KUL leg out of Delhi.
Singapore Airlines is the headline carrier, offering a full-service cabin with excellent legroom in economy, Singapore Sling service, and KrisFlyer miles accrual. It operates from Terminal 3 at IGI Delhi. Air India flies Delhi–Singapore daily and allows passengers to book the DED–DEL–SIN journey on a single Air India PNR with checked-bag interline protection. IndiGo operates a budget option on DEL–SIN, useful for carry-on travellers who want low base fares — the DED–DEL leg connects cleanly. Scoot (Singapore Airlines' low-cost arm) sometimes undercuts full-service fares significantly on the Delhi–Singapore sector. Silk Air was merged into Singapore Airlines in 2023, so that brand is no longer active. Always check FlightGPT for the combined fare across both legs before booking.
Indian citizens do not require a pre-approved visa for Singapore for stays of up to 30 days, effective August 2024 onwards under India's visa-free arrangement. Travellers simply need a valid passport with at least 6 months' validity, a confirmed onward or return ticket, proof of sufficient funds, and accommodation bookings. Immigration officers at Changi can ask for any of these documents, so carry printed copies. Long-term student pass or Employment Pass holders follow a different process. If transiting Singapore en route to Australia or elsewhere, a transit visa is generally not required for Indian passport holders transiting within 96 hours provided they hold a confirmed onward ticket. Visit /visas for any last-minute policy updates before departure.
Singapore Changi Airport (SIN) consistently ranks as the world's best airport and is a major transit hub for Southeast Asia and beyond. It has four passenger terminals (T1–T4) plus the Jewel Changi complex (between T1 and T2/T3), which features a five-storey rain vortex waterfall, luxury retail, and food courts open to transit passengers. Singapore Airlines and Scoot use T1 and T3; Air India and IndiGo typically dock at T3 or T4. From the airport to Orchard Road or Marina Bay, the Mass Rapid Transit (MRT) East-West Line runs directly from T2 and T3 in ≈ 30 minutes for SGD 2–3. Taxis take 20–30 minutes and cost ≈ SGD 20–30 depending on time of day and surcharges. Grab is widely used and reliable.
The Dehradun–Delhi sector is about 280 km and takes ≈ 55–65 minutes. Delhi to Singapore is ≈ 4,200 km and typically takes 5 hours 20–40 minutes westbound (Delhi to Singapore) with prevailing tailwinds in winter reducing this slightly. With a connection of 2.5–3 hours at Delhi, total journey time from Jolly Grant departure to Changi arrival is typically 8.5–10 hours. Singapore is in SGT (UTC+8), which is 2.5 hours ahead of Indian Standard Time — a 09:30 departure from Dehradun could see you landing in Singapore by late evening local time after a comfortable layover, arriving refreshed for a full next day.
Singapore Airlines economy (Lite fare) includes 25 kg checked baggage; their Economy Standard and Flex fares allow 30 kg. Air India international economy typically offers 25 kg. IndiGo's DEL–SIN sector is operated as international and includes 20 kg on their base fare. If you book DED–DEL domestically with IndiGo and then DEL–SIN internationally with Singapore Airlines on separate PNRs, each airline's rule applies independently — you may pay two separate baggage fees. For a single-bag seamless journey, booking both legs on one PNR with the same carrier (Air India or IndiGo end-to-end) is most convenient. Carry-on is universally 7 kg cabin bag + small personal item on most carriers.
Singapore is a year-round destination with a tropical climate — warm (26–34°C), high humidity, and regular afternoon thunderstorms even in the 'dry' months of February–April. The best time for outdoor exploration is February to April, when rainfall is lowest. December and early January are festive but expensive, with hotel and airfare prices peaking during Christmas and New Year. Indian school holidays (May–June) push fares up 30–50% on this corridor. Value seekers fly in September–October (post-monsoon shoulder) or July–August when business travel eases. Fares on Dehradun–Singapore connections typically range from ≈ ₹25,000 to ₹65,000 one-way in economy, all-in. Book 8–12 weeks ahead for December–January; 4–6 weeks often suffices in shoulder months.
Singapore uses the Singapore Dollar (SGD); 1 SGD ≈ ₹62–65 as of 2026. Credit and debit cards (Visa/Mastercard/Amex) are accepted almost universally; Changi Airport has ATMs immediately beyond immigration. Mobile data is easy: grab a Singtel, Starhub, or GOMO tourist SIM at any Changi terminal 7-Eleven or Singtel counter for ≈ SGD 15–20 for 7–10 days of unlimited data. Google Maps and Grab work excellently throughout the island. Singapore's customs rules are strict — no chewing gum for personal import, no e-cigarettes, strict laws on drugs and littering. Indian food is abundant in Little India (Serangoon), and halal options are everywhere. Visit destinations for the full Singapore travel guide.
Tourist arrivals from India are now visa-free (30-day waiver since August 2024), but immigration officers at Changi look for evidence of genuine tourism intent. Carry a printout or screenshot of: hotel booking, return flight ticket, and a rough itinerary. Students enrolled at NUS, NTU, SMU, or other institutions need their Student Pass (blue card), In-Principle Approval letter on first entry, and university acceptance letter. Employment Pass holders need their EP card and employer letter. Singapore is rigorous but straightforward — honest and complete documentation prevents any delays. Keep passport validity above 6 months and ensure no immigration overstay history in Singapore.
No, there are no direct flights from Dehradun (Jolly Grant Airport) to Singapore Changi. All itineraries connect through Delhi (most common), with total travel time of approximately 8.5–10.5 hours including a layover.
No. Indian passport holders enjoy visa-free entry to Singapore for up to 30 days (as of August 2024). You need a valid passport, return ticket, accommodation proof, and sufficient funds. No advance visa application is required for tourism.
Singapore Airlines via Delhi offers the premium experience with strong baggage allowance and award miles. Air India is a good mid-range option on a single PNR. IndiGo is budget-friendly but watch the baggage allowance carefully. Compare fares on FlightGPT.
Economy all-in fares typically range from ≈ ₹25,000 to ₹65,000 one-way depending on season. Lowest fares appear in July–September and shoulder months. December–January and May–June school holidays push prices to the high end of this range.
A minimum 2.5–3-hour layover is recommended at Delhi; 3–4 hours is more comfortable if your domestic IndiGo flight and international departure are on different airlines or different terminals. Terminal-to-terminal at IGI requires going through immigration if changing from domestic to international.
Singapore uses the Singapore Dollar (SGD). Indian Rupees are not accepted. Convert at the airport or at Changi's money changers (rates near Arrivals are competitive). Alternatively, withdraw SGD from airport ATMs. 1 SGD ≈ ₹62–65 as of 2026.
FlightGPT is a natural-language flight search: ask the way you'd ask a friend, and it compares live DED–SIN fares across every airline, OTA and travel agent. Try one:
What you pay on the Dehradun–Singapore route hinges on timing: book roughly 3–8 weeks ahead, stay flexible on the day of week, and you usually land the better fare. Search Dehradun to Singapore live to see how today's price compares to dates a month out — the gap is often 25–40 percent across IndiGo, Air India, Singapore Airlines (ex-Delhi).
Last-minute Dehradun to Singapore fares move fast, but they're rarely the same across every airline. Run your date through the search above and FlightGPT compares real-time Dehradun Singapore prices across IndiGo, Air India, Singapore Airlines (ex-Delhi) — so you grab the cheapest seat still open, not the first one you see.
There is currently no non-stop service between Dehradun and Singapore — itineraries connect via a hub, with a typical journey of ≈ 8h–10h (1-stop). Comparing hubs side by side often saves 15-30 percent. FlightGPT lets you filter by "Direct only" or compare both side by side — useful when you want the cheapest Dehradun Singapore ticket but are open to a layover.
Expect Dehradun–Singapore fares to vary by cabin, baggage and how the fare is bundled. A bare low-cost fare can end up dearer than a full-service IndiGo ticket once you add a bag and a seat. FlightGPT shows the all-in price for each option, so you're comparing like for like rather than misleading lead-in fares.