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Cheap Flights from St Louis to Bengaluru

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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 to Bengaluru? Find the lowest prices on one-way and return tickets right here.
Bengaluru.Rs132,800 per passenger.Departing Mon, 18 Aug.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from St Louis on Mon, 18 Aug, arriving in Bengaluru.Price includes taxes and charges.From Rs132,800, select.
Bengaluru.Rs201,842 per passenger.Departing Sun, 20 Jul.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from St Louis on Sun, 20 Jul, arriving in Bengaluru.Price includes taxes and charges.From Rs201,842, select.
Bengaluru.Rs218,116 per passenger.Departing Wed, 3 Dec.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from St Louis on Wed, 3 Dec, arriving in Bengaluru.Price includes taxes and charges.From Rs218,116, select.
Bengaluru.Rs230,275 per passenger.Departing Thu, 20 Nov.One-way flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Thu, 20 Nov, arriving in Bengaluru.Price includes taxes and charges.From Rs230,275, select.
Bengaluru.Rs236,562 per passenger.Departing Fri, 30 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Fri, 30 May, arriving in Bengaluru.Price includes taxes and charges.From Rs236,562, select.
Bengaluru.Rs329,563 per passenger.Departing Wed, 4 Jun.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from St Louis on Wed, 4 Jun, arriving in Bengaluru.Price includes taxes and charges.From Rs329,563, 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.
May
from Rs235,584
Jun
from Rs328,200
Jul
from Rs201,008
Aug
from Rs132,251
Sep
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Oct
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Nov
from Rs229,322
Dec
from Rs217,214
Jan
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Feb
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Mar
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Apr
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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.

St Louis to Bengaluru: Flight information

The things to know before you go.
Cheapest flight foundRs132,251
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 Rs337,790. 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 Rs336,392.
As of May 2025, there are no flights flying from St Louis to Bengaluru.
The cheapest month to fly from St Louis to Bengaluru is usually May 2025.
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 Wednesday, 20 August 2025.
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, Lufthansa offers the cheapest flight tickets to Bengaluru.

Flying from Lambert-St. Louis International Airport (STL) to Kempegowda International Airport (BLR): what you need to know

  • The timezone in Bengaluru is UTC+5:30, which is ten hours 30 minutes ahead of St Louis.

  • Give yourself enough time to make your STL to BLR flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's a good idea to get to the airport earlier. Arrive two hours before a domestic departure and four hours ahead for international flights when you travel during peak periods in general.

  • Opt for a stopover if you prefer to break up your flight. Just deselect 'Direct flights only' to see the options for tickets from Lambert-St. Louis International Airport to Kempegowda International Airport. San Francisco International Airport is a top stopover on the STL to BLR route.

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Kempegowda International Airport (BLR)

  • Right now, Rs132,800 is the cheapest price we've seen for a one-way Lambert-St. Louis International Airport to Kempegowda International Airport flight. The best price for a return ticket is Rs336,392. Remember that fares may change due to demand when booking.

  • To get your hands on cheap tickets from STL to BLR, book in advance. Airlines usually offer the most competitive fares when flights are first released.

  • If you're willing to be flexible with your trip dates, use the 'Whole month' tool. It'll find the lowest price in each month when looking for your flight from Lambert-St. Louis International Airport to Kempegowda International Airport.

  • Spend less time searching for cheap flights from STL to BLR by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.

  • Discover the ideal flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Lambert-St. Louis International Airport to Kempegowda International Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Lambert-St. Louis International Airport (STL)

  • STL's address is 10701 Lambert International Blvd..

  • When it comes to the on-time performance of Lambert-St. Louis International Airport, data shows 78.04% of flights arrive within the scheduled timeframe.

  • Central St Louis to Lambert-St. Louis International Airport is around 26 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • You can expect a journey time of about 35 minutes on public transport.

  • Get your journey off to a stress-free start by staying near STL. Whether you're catching an early flight from Lambert-St. Louis International Airport to Kempegowda International Airport or just don't like being rushed, these hotels are the answer:

Arriving at Kempegowda International Airport (BLR)

Getting from Kempegowda International Airport (BLR) to central Bengaluru

  • The street address for BLR is Kial Road, Devanahalli, Bengaluru, Karnataka 56030.

  • From Kempegowda International Airport, Bengaluru is approximately 32 kilometres away. It takes around 50 minutes to reach the centre driving.

  • It typically takes 1 hour 55 minutes when travelling by public transport.

When to fly to Kempegowda International Airport (BLR)

  • The quietest month for a flight from Lambert-St. Louis International Airport to Kempegowda International Airport is April, while August is the most popular. Choose the best time to go to Bengaluru based on whether you prefer a more fast-paced or easygoing experience.

  • Book your flight from Lambert-St. Louis International Airport to Kempegowda International Airport for April if you want to visit Bengaluru during its warmest month. You can expect temperatures of between 21ºC and 36ºC.

  • January has average temperatures of between 14ºC and 29ºC. Look for cheap tickets from STL to BLR sometime then if you like cooler conditions.

Explore more of India

  • Bengaluru has plenty going for it, but there are so many other parts of India waiting to be explored. Around 290 kilometres east of Bengaluru, a trip to Chennai will keep you busy. Start with attractions like Marina Beach, Fort St. George and Government Museum.

  • Around 467 kilometres south of Bengaluru, Tirunelveli is another favourite stop in India. No visit is complete without checking out Smart City, Green Space Phase I, Ramalingam Nagar Park, Udaiyarpatti Lake and Master Kings Family.

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 45 days.