Bengaluru to San Francisco flight guide — ultra-long-haul non-stop and 1-stop options, airlines, fares, baggage and US visa documents for 2026.
Pick which sources FlightGPT queries. Toggle a source off to skip it during search.
Get notified when fares drop on routes you're watching. Ask FlightGPT to "track DEL to BOM under ₹5,000" to set one up.
Quick answer: Bengaluru to San Francisco flights take about ≈ 17h non-stop; ≈ 20–26h on 1-stop options, operated by Air India (non-stop), Emirates, Qatar Airways, Lufthansa, Singapore Airlines, Around 1 non-stop daily (Air India), plus several 1-stop options. This is a domestic route within India, so no visa is required. Use the live search above to compare today's cheapest BLR–SFO fare across every airline, OTA and travel agent in one place.
Last reviewed June 2026 by the FlightGPT flights desk · route facts cross-checked against DGCA and the Airports Authority of India (AAI) · fares are live — verify the final price in search before booking.
Looking for cheap flights from Bengaluru to San Francisco? FlightGPT compares live BLR 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 Bengaluru to San Francisco non-stop tomorrow, a last-minute weekend deal or the lowest price three months out, every active Bengaluru-San Francisco fare is one search away.
Air India is the headline carrier here, running an ultra-long-haul non-stop between Bengaluru (BLR) and San Francisco (SFO) — one of the longest scheduled flights anywhere. For one-stop options, Emirates routes via Dubai, Qatar Airways via Doha, Lufthansa via Frankfurt and Singapore Airlines via Singapore, each on a single ticket. Connecting itineraries are often cheaper than the non-stop and can offer better seat choice, while the non-stop saves hours and a layover. United also serves SFO via partner connections. Weigh time against price, and compare live non-stop and one-stop options together on FlightGPT before booking, confirming the operating carrier on each leg.
This is a tech-and-student route, so demand peaks around the US academic intake (August–September), the December–January holidays and the Indian summer travel season. The cheapest stretches are typically February–April and late September to mid-November. Booking 6–10 weeks ahead often lands solid value, while the non-stop can sell out early in peak months — book it sooner. One-stop fares are usually lower if you can spare the extra hours. Mid-week departures generally beat weekends. If you’re comparing south-India gateways, see Chennai to San Francisco too. Indicative fares are live on FlightGPT (fares as of May 2026).
The Air India non-stop runs ≈ 17 hours, and because it tracks a polar/north-Pacific great-circle path the eastbound and westbound times can differ noticeably with the winds. One-stop itineraries via the Gulf or Europe typically total ≈ 20–24 hours, while routings via East Asia (Singapore, for example) can run ≈ 22–26 hours with a longer layover. The first leg out of Bengaluru ranges from ≈ 4 hours to the Gulf up to ≈ 9 hours to Frankfurt, with the trans-oceanic leg making up the bulk of the rest. Always check the live duration for your exact dates on FlightGPT, since seasonal winds shift block times.
Long-haul economy to the US generally includes 2 checked bags up to ≈ 23 kg each on Air India, Emirates, Qatar and similar carriers, though allowances vary by airline and fare class — confirm when booking. Cabin baggage is typically ≈ 7 kg plus a personal item; some US-bound fares are stricter on cabin weight, so check. Students often get extra baggage on select airlines — ask before paying. On mixed-carrier one-stop tickets, the most restrictive leg’s rule usually applies. US excess-baggage fees are high, so weigh at home. Fare ranges are indicative on FlightGPT (fares as of May 2026); verify the live baggage policy on the official airline site.
You depart from Kempegowda International Airport (BLR), about 35–40 km north of central Bengaluru — allow extra road time and reach the airport 3–4 hours before an international flight. International departures use Terminal 2, the airport’s newer garden-themed terminal. You arrive at San Francisco International (SFO), where most international arrivals come into the International Terminal; immigration uses CBP processing with Mobile Passport Control and kiosks where eligible. SFO connects to the Bay Area via BART directly from the International Terminal. Confirm your hub-connection terminal on one-stop itineraries, as a terminal change between legs is common at large hubs.
Indian citizens need a valid passport and a valid US visa appropriate to the trip — B1/B2 for visit or business, F-1 for study, H-1B or L-1 for work, and so on. There is no visa-on-arrival; you must hold the visa before you fly. Carry supporting documents such as an I-20 for students, employer letters, proof of funds and return or onward details, as CBP officers may ask. Keep at least six months’ passport validity beyond your stay. Visa categories, interview waivers and entry rules change, so always confirm current requirements on the official US Department of State and CBP websites before booking.
Yes. Air India operates an ultra-long-haul non-stop between Bengaluru (BLR) and San Francisco (SFO), one of the longest scheduled flights in the world, taking around 17 hours. Several one-stop alternatives via Gulf, European and East Asian hubs are also available.
The non-stop runs roughly 17 hours, with eastbound and westbound times differing due to winds. One-stop itineraries typically total 20–26 hours depending on the hub and layover length.
Air India operates a non-stop BLR–SFO service, making it the only direct option on this route as of 2026; the flight takes roughly 17–18 hours and typically operates several times per week. One-stop alternatives include Singapore Airlines via Singapore (≈ 20–22 h total), Emirates via Dubai, Qatar Airways via Doha and Lufthansa via Frankfurt, which can be price-competitive. Non-stop Air India fares typically start around ≈ ₹75,000–₹1,30,000 one-way in economy; one-stop Gulf or Singapore options sometimes undercut this but add 4–6 hours of travel time. Booking 8–12 weeks ahead usually secures the better economy fares.
Fares are usually lowest in February–April and late September to mid-November, and highest around the August–September US student intake and the December holidays. One-stop fares often beat the non-stop. Indicative fares are live on FlightGPT (fares as of May 2026).
A valid passport and a valid US visa for your purpose — B1/B2, F-1, H-1B, L-1, etc. There is no visa-on-arrival. Carry supporting documents like an I-20 or employer letter. Always confirm current rules on the official US Department of State and CBP websites.
Long-haul economy to the US often includes 2 checked bags up to about 23 kg each, but allowances vary by airline and fare class. Confirm the exact policy on your ticket and the official airline site, especially on mixed-carrier one-stop itineraries.
The cheapest Bengaluru 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 Bengaluru to San Francisco ticket prices across Air India (non-stop), Emirates, Qatar Airways, Lufthansa, Singapore Airlines — typically the lowest fare today differs from the lowest fare 30 days out by 25–40 percent. We surface every option so the lowest Bengaluru-San Francisco price wins.
Need a last-minute Bengaluru to San Francisco flight for tomorrow, this weekend or in the next seven days? Our live BLR-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 return the cheapest last-minute Bengaluru San Francisco options instantly.
There is currently no non-stop service between Bengaluru and San Francisco — itineraries connect via a hub, with a typical journey of ≈ 17h non-stop; ≈ 20–26h on 1-stop options. 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 Bengaluru San Francisco ticket but are open to a layover.
Bengaluru to San Francisco ticket prices on the FlightGPT live grid update by the minute. The lowest-priced Bengaluru San Francisco airfare today might be on a low-cost carrier; next month's best deal might be a full-service Air India (non-stop) flight bundled with checked baggage and a meal. We compare fully-bundled all-in fares, never base fares with surprise add-ons.