How long is the Delhi to San Francisco non-stop flight?

Approximately 16 hours 30 minutes westbound (polar routing) and 14 hours 45 minutes eastbound on Air India AI 173 / AI 174 — one of the longest non-stops in the world.

Which airlines fly non-stop from Delhi to San Francisco?

Only Air India (AI 173 / AI 174). One-stop options include United, Lufthansa, Emirates, Qatar Airways, Singapore Airlines and Cathay Pacific.

When is the cheapest month to fly Delhi to San Francisco?

Late January-February and October-early November are typically cheapest. Avoid May-August summer, Christmas-New Year and Diwali for the lowest fares.

Do Indians need a visa for the United States?

Yes. Indians need a US B1/B2 visitor visa applied via the US Embassy/Consulate. Fee USD 185; first-time interview wait times can be 2-6 months — apply 6+ months ahead. H-1B and L-1 work visa holders have a separate process via employer.

What is the baggage allowance on Delhi-San Francisco flights?

Air India economy: 2 x 23 kg checked + 8 kg cabin under the US 2-piece rule. Business: 2 x 32 kg + 12 kg cabin. Pre-paid online excess is cheaper than at the airport.

What is the time difference between Delhi and San Francisco?

San Francisco is 12 hours 30 minutes behind India in summer (PDT) and 13 hours 30 minutes behind in winter (PST). DST changes in mid-March and early November.

Which SFO terminal does Air India use?

Air India arrives at SFO's International Terminal, Boarding Area G — the main international arrivals area.

Delhi to San Francisco Flights — Air India Fares 2026

Delhi to San Francisco non-stop on Air India — schedule, fare trends, baggage, DEL T3 and SFO terminals, plus US B1/B2 visa rules for Indians.

Cheap flights from Delhi to San Francisco — book online with FlightGPT

Looking for cheap flights from Delhi to San Francisco? FlightGPT compares live DEL to SFO 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 Delhi to San Francisco non-stop tomorrow, a last-minute weekend deal or the lowest price three months out, every active Delhi-San Francisco fare is one search away.

Delhi to San Francisco flights — quick facts

Distance: ≈ 12,400 km (great circle, polar routing)

Non-stop flight time: ≈ 16h 30m

Direct flights per day: 1 non-stop daily (Air India AI 173 / AI 174)

Airlines flying Delhi San Francisco: Air India non-stop; United, Lufthansa, Emirates, Qatar, Singapore Airlines, Cathay on 1-stop

Visa for Indians: US B1/B2 visa — USD 185, typically 10-year multi-entry

Find the cheapest Delhi to San Francisco flight

The cheapest Delhi to San Francisco airfare on any given day depends on three things — your travel date, your airline preference and how far ahead you book. Use the FlightGPT search box above to compare Delhi to San Francisco ticket prices across Air India non-stop; United, Lufthansa, Emirates, Qatar, Singapore Airlines, Cathay on 1-stop — typically the lowest fare today differs from the lowest fare 30 days from now by 25-40 percent. We surface every option so the lowest Delhi-San Francisco price wins.

Last-minute Delhi to San Francisco flights

Need a last-minute Delhi to San Francisco flight for tomorrow, this weekend or in the next seven days? Our live DEL-SFO search pulls real-time fares — last-minute deals do appear on this route, especially on red-eye departures and shoulder days. Tap Search on FlightGPT with your date and we will return the cheapest last-minute Delhi San Francisco options instantly.

Delhi to San Francisco non-stop and direct flights

Most travellers prefer the Delhi to San Francisco non-stop option. The direct Delhi-San Francisco flight time is ≈ 16h 30m. If you are flexible, 1-stop alternatives through major hubs can be 15-30 percent cheaper. FlightGPT lets you filter by "Direct only" or compare both side by side — useful when you want the cheapest Delhi San Francisco ticket but are open to a layover.

Delhi to San Francisco airfare — what to expect

Delhi to San Francisco ticket prices on the FlightGPT live grid update by the minute. The lowest-priced Delhi San Francisco airfare today might be on a low-cost carrier; the best deal next month might be on a full-service Air India non-stop; United flight bundled with checked baggage and a meal. We compare fully-bundled all-in fares, never base fares with surprise add-ons.

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