Bangkok to New Delhi (BKK–DEL) — Airlines, Schedules & Connections

Thai passport holders need a visa to enter India. The easiest option is the e-Visa, applied for online at indianvisaonline.gov.in. The e-Tourist visa costs $25 for 30 days or $40 for 1 year (multiple entry). Processing takes 3 to 5 business days. You receive the e-Visa by email and show the printout at immigration. E-Visa entry is available at 28 designated airports including Delhi (DEL), Mumbai (BOM), Bangalore (BLR), Chennai (MAA), and Kolkata (CCU). Passport must be valid for at least 6 months with two blank pages.

The 30-day e-Visa allows double entry. The 1-year e-Visa allows multiple entries with stays of up to 90 days per visit. A 5-year e-Visa ($80, multiple entry, 90 days per visit) is also available. For those who prefer, the traditional tourist visa can be obtained at the Indian Visa Application Centre (IVAC) in Bangkok on Sukhumvit Soi 23, costing THB 3,500 for 6 months multiple entry.

Direct flights from Bangkok to Delhi run about 4 hours 30 minutes on Air India, Thai Airways, IndiGo, and Thai AirAsia. Bangkok to Mumbai runs about 4 hours 15 minutes on Air India and Thai Airways. Bangkok to Kolkata is just 2 hours 30 minutes on IndiGo and Thai AirAsia. India uses the Indian rupee (INR), trading at roughly 2.4 INR per THB 1. ATMs are abundant. Card payments work at hotels, malls, and restaurants, but carry cash for street vendors and auto-rickshaws. No mandatory vaccinations for entry from Thailand. Delhi's metro costs INR 10 to INR 60 per ride. Mumbai's suburban trains cost INR 5 to INR 15. Ride-hailing apps (Ola, Uber) work across all major cities.

Airport Rail Link (ARL) runs from Phaya Thai station to Suvarnabhumi in 30 minutes (฿45 City Line; ฿90–130 Express, though Express service is often suspended). Trains run 6am to midnight. Transfer at Makkasan for MRT or Phaya Thai for BTS Skytrain.Metered taxis cost ฿250–400 from central Bangkok plus expressway tolls (฿50–75); expect 40–90 minutes depending on traffic. Avoid non-metered taxis; insist on the meter. Ride-share apps (Grab) are widely used and typically cost ฿200–350.

Airport Express Metro from T3 to New Delhi Railway Station (18–20 min, ₹60) runs 5am–11:30pm. T1 (domestic departures) has a free shuttle to T3 for the metro. Prepaid taxi booths in arrivals offer fixed fares; the New Delhi railway area is ₹400–600.Ola and Uber are reliable from DEL and often cheaper than prepaid taxis. Delhi traffic is severe; plan 60–90 minutes for surface transport during peak hours even though the airport is only 15 km from Connaught Place. NH-48 expressway provides the main access road.

Semi-arid climate with extreme seasonal variation. Summers (April–June) are extremely hot (38–46°C). Heat affects ground crew capacity but flights operate normally. Monsoon season (July–September) brings heavy rain and severe thunderstorms that frequently cause delays and diversions. Dust storms (andhi) precede monsoon onset in May–June and reduce visibility to near zero within minutes.

Dense fog is the most disruptive winter condition. December and January bring persistent cold fog (5–10°C with near-zero visibility) that can shut down operations for hours each morning. Delhi is one of the foggiest major airports in Asia during this period. Autumn (October–November) and spring (February–March) are the most flight-stable windows.