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Cheap Flights from St Louis to Bengaluru

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      Travellers and cabin class, 1 Adult, Economy

      Compare St Louis to Bengaluru flight deals

      Find the cheapest month or even day of the year to fly to Bengaluru

      Book the best Bengaluru fare with no extra fees

      Flight deals from St Louis to Bengaluru

      Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Bengaluru Airport? If you want to travel next month, return fares start from R 23,719. Find the lowest prices on one-way and return tickets right here.
      Bengaluru.R 8,190 per passenger.Departing Mon, 17 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Mon, 17 Aug, arriving in Bengaluru.Price includes taxes and charges.From R 8,190, select.
      Bengaluru.R 11,504 per passenger.Departing Mon, 12 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Mon, 12 Oct, arriving in Bengaluru.Price includes taxes and charges.From R 11,504, select.
      Bengaluru.R 11,550 per passenger.Departing Mon, 28 Sep.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from St Louis on Mon, 28 Sep, arriving in Bengaluru.Price includes taxes and charges.From R 11,550, select.
      Bengaluru.R 11,845 per passenger.Departing Wed, 24 Feb.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from St Louis on Wed, 24 Feb, arriving in Bengaluru.Price includes taxes and charges.From R 11,845, select.
      Bengaluru.R 11,849 per passenger.Departing Mon, 9 Nov.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from St Louis on Mon, 9 Nov, arriving in Bengaluru.Price includes taxes and charges.From R 11,849, select.
      Bengaluru.R 11,892 per passenger.Departing Tue, 13 Apr.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from St Louis on Tue, 13 Apr, arriving in Bengaluru.Price includes taxes and charges.From R 11,892, select.
      Bengaluru.R 14,002 per passenger.Departing Wed, 20 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Wed, 20 Jan, arriving in Bengaluru.Price includes taxes and charges.From R 14,002, select.
      Bengaluru.R 14,300 per passenger.Departing Mon, 7 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Mon, 7 Dec, arriving in Bengaluru.Price includes taxes and charges.From R 14,300, select.
      Bengaluru.R 14,486 per passenger.Departing Mon, 13 Jul.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from St Louis on Mon, 13 Jul, arriving in Bengaluru.Price includes taxes and charges.From R 14,486, select.

      Find the cheapest month to fly from St Louis to Bengaluru

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Bengaluru flights are currently cheapest in August.
      Jul
      from R 14,486
      Aug
      from R 8,190
      Sep
      from R 11,550
      Oct
      from R 11,504
      Nov
      from R 11,849
      Dec
      from R 14,300
      Jan
      from R 14,002
      Feb
      from R 11,845
      Mar
      Find prices
      Apr
      from R 11,892
      May
      Find prices
      Jun
      Find prices

      St Louis to Bengaluru: Alternative routes

      Compare routes from St Louis to Bengaluru below. You may find an airport to fly into that's cheaper, faster, or easier than Bengaluru.

      Bengaluru

      28km from central Bengaluru
      ClosestCheapest
      from R 8,190
      Search flights

      St Louis to Bengaluru: Flight information

      The things to know before you go.
      Cheapest flight foundR 8,190
      Cheapest month to flyAugust

      Finding cheap flights from St Louis to Bengaluru: Frequently asked questions

      The best price we found for a return flight from St Louis to Bengaluru is R 19,666. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from St Louis to Bengaluru. But we found flights with one or more stops from R 19,647.
      As of July 2026, there are no flights flying from St Louis to Bengaluru.
      The cheapest month to fly from St Louis to Bengaluru is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Bengaluru Airport on Saturday, 3 October 2026.
      No airlines currently offer direct flights between St Louis Airport and Bengaluru Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bengaluru but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bengaluru is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines offers the cheapest flight tickets to Bengaluru.

      Travelling from St Louis Airport (STL) to Bengaluru Airport (BLR): what you need to know

      • Bengaluru is 11 hours 30 minutes ahead of St Louis and is in the UTC+5:30 timezone.

      • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your STL to BLR flight.

      • Flying during a peak month such as July? Major public holidays and other popular seasons can lead to longer queues at check-in and security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

      • Pick a stopover if you'd like to break up your flight. Simply deselect 'Direct flights only' to see all your options for tickets from St Louis Airport to Bengaluru Airport. Frankfurt am Main Airport is a top stopover on the STL to BLR route.

      Handy information about St Louis Airport (STL)

      Arriving at Bengaluru Airport (BLR)

      When to fly to Bengaluru Airport (BLR)

      • It's time to plan your dates for your flight from St Louis Airport to Bengaluru Airport. November is the most popular month to head to Bengaluru. If you'd like a more laid-back vibe, go in September.

      • The warmest month in Bengaluru is April, with temperatures ranging between 21ºC (70ºF) and 36ºC (97ºF). Lock in your flights from St Louis Airport to Bengaluru Airport in this month if this is the type of weather you like.

      • January has average temperatures of between 14ºC (57ºF) and 29ºC (84ºF). Look for cheap tickets from STL to BLR around that time if you want to travel in cooler conditions.

      Explore more of India

      • Bengaluru has plenty to offer, but there are so many other corners of India you should also see. Around 290 kilometres east of Bengaluru, a visit to Chennai will keep your itinerary busy. Start with leading sights like Meenakshi Temple, Marina beach and Marina Beach.

      • Around 467 kilometres south of Bengaluru, Tirunelveli is another essential stop in India. Experience the best of this destination with a visit to Veda Thavro (Krishnan Temple), ISKCON Tirunelveli and Sri Kailasanather & Sri Soundaravalli Ambal Temple.

      Plan the rest of your trip from St Louis to Bengaluru

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.