Cheap Flights from St Louis (STL) to Bengaluru (BLR)

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      Travelers 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 round-trip flight from St Louis to Bengaluru? Find the lowest prices on one-way and round-trip tickets right here.

      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 June.

      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 found$712
      Cheapest month to flyMay

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

      The best price we found for a round-trip flight from St Louis to Bengaluru is $1,202. 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 $1,202.
      There are no flights flying from St Louis to Bengaluru, as of May 2025.
      The cheapest month to fly from St Louis to Bengaluru is usually May.
      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, May 28, 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.
      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, $712 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 $1,202. 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 16 miles. 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 20 miles away. It takes around 50 minutes to reach the center driving.

      • It typically takes 1 hour 55 minutes when traveling 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 70ºF and 97ºF.

      • January has average temperatures of between 57ºF and 84ºF. 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 180 miles east of Bengaluru, a trip to Chennai will keep you busy. Start with attractions like Marina Beach, Fort St. George and Government Museum.

      • Around 290 miles south of Bengaluru, Tirunelveli is another favorite 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.

      Prices shown on this page are estimated lowest prices only. Found in the last 45 days.