Cheap Flights New Delhi – San Francisco from £331

Flight FAQs

• Which airlines offer the cheapest flights from New Delhi (DEL) to San Francisco (SFO)?

  Based on Trip.com data, Vietnam Airlines offers one-way fares as low as £331 on Cheapest nonstop routes (e.g. DEL to SFO on Sat, May 2), while Vietnam Airlines offers Cheapest nonstop round-trips from £551 departing on Sat, May 2 and returning on Sat, May 9.

• Which airlines offer direct flights from New Delhi to San Francisco?

  At the moment, you can catch a direct flight from New Delhi to San Francisco with the following airlines, including: Air India IndiGo Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flight from New Delhi (DEL) to San Francisco (SFO)?

  It takes about 15 hours 16 minutes to fly from New Delhi (DEL) to San Francisco (SFO).

• When is the best time to book flights from New Delhi to San Francisco?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from New Delhi to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from New Delhi to San Francisco?

  Based on Trip.com data in the past 4 weeks, there is 7 flight per week flying from New Delhi to San Francisco. You can check the weekly schedule for popular airlines on this route below: Air India: S/M/T/W/T/F/S -- AI173 (10:54)

• How can I find the best deals on flights from New Delhi to San Francisco?

  To find best deals on flights from New Delhi to San Francisco, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, May 2, with one-way flights priced at just £331.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air India.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from New Delhi to San Francisco to get the best price?

  The cheapest months to fly from New Delhi to San Francisco is November, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from New Delhi to San Francisco?

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from New Delhi to San Francisco on March 14, 2026 with Vietnam Airlines, with prices starting at £280.

• Which airports can I fly through when travelling to San Francisco from New Delhi?

  You can land at any one of the following hubs in San Francisco, with Indira Gandhi International Airport to San Francisco International Airport (DEL-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).

• What is the time difference between New Delhi and San Francisco?

  The time difference between San Francisco and New Delhi is 13h.

• How can I change or cancel my flight ticket from New Delhi to San Francisco?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.