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Cheap flights from St. Louis to Bengaluru from ₹ 44,694

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BLR
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Lambert-St Louis to Bengaluru Intl are usually found in February or March, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to Bangalore

Enter your travel dates to find the best prices.

Cheapest flights from St. Louis to Bangalore
Explore the most affordable flight options available from St. Louis to Bangalore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Wed 24/1218:35STL - BLR
2 stops43h 00mLufthansa
Mon 2/202:50BLR - STL
2 stops31h 38mLufthansa
Deal found 4/12₹ 137,049
Tue 23/1207:00STL - BLR
2 stops30h 10mDelta
Mon 2/202:30BLR - STL
2 stops32h 25mDelta
Deal found 4/12₹ 153,236
Sun 14/1206:00STL - BLR
2 stops31h 10mDelta
Thu 15/102:30BLR - STL
2 stops29h 43mDelta
Deal found 5/12₹ 181,563
Sun 21/1218:35STL - BLR
2 stops43h 45mMultiple Airlines
Mon 2/203:50BLR - STL
2 stops28h 55mMultiple Airlines
Deal found 4/12₹ 196,221
Sun 14/1209:30STL - BLR
2 stops27h 40mDelta
Fri 16/102:00BLR - STL
2 stops26h 23mDelta
Deal found 5/12₹ 197,120
Mon 22/1218:35STL - BLR
2 stops43h 00mLufthansa
Mon 2/202:50BLR - STL
2 stops31h 38mLufthansa
Deal found 4/12₹ 201,976
Thu 18/1206:15STL - BLR
2 stops30h 55mDelta
Mon 2/202:00BLR - STL
2 stops33h 07mDelta
Deal found 4/12₹ 203,955
Sun 14/1212:55STL - BLR
2 stops48h 40mLufthansa
Fri 16/103:30BLR - STL
2 stops51h 27mLufthansa
Deal found 4/12₹ 208,001

Find flight deals from St. Louis to Bangalore

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Bangalore (BLR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 December 2025.

Round-trip from

₹ 92,985

One-way from

₹ 44,694

Popular in

July

Cheapest in

February

Average price

₹ 142,894
Air France
  • Air France
  • 21/1-6/2
  • 4 total stops
  • 51h 54m total
  • St. Louis to Bengaluru
Search Deals
15/2
  • 15/2
  • 2 total stops
  • 34h 23m total
  • St. Louis to Bengaluru
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (₹ 663,109 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 183,645 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from St. Louis to Bangalore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 5 December 2025.
Use the filters below to find and compare flights from St. Louis to Bengaluru that are best for you.

Fly from

St. Louis

Fly to

Bangalore

Route

Depart

Return

Price

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 25/1

16:05-01:50

2 stops46h 15m

Bengaluru Intl

Wed 28/1

02:50-15:29

2 stops48h 09m

₹ 105,125

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 24/12

18:35-01:05

2 stops43h 00m

Bengaluru Intl

Mon 2/2

02:50-22:58

2 stops31h 38m

₹ 137,049

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Tue 23/12

06:00-00:40

2 stops31h 10m

Bengaluru Intl

Mon 2/2

02:30-20:43

2 stops29h 43m

₹ 153,236

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Thu 18/12

06:15-00:40

2 stops30h 55m

Bengaluru Intl

Mon 2/2

02:00-16:45

2 stops26h 15m

₹ 203,955

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 21/12

16:05-01:05

3 stops45h 30m

Bengaluru Intl

Mon 2/2

02:50-15:15

3 stops47h 55m

₹ 214,836

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 21/12

07:00-00:15

2 stops29h 45m

Bengaluru Intl

Sat 17/1

02:00-21:38

2 stops31h 08m

₹ 216,095

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Mon 22/12

18:35-01:05

2 stops43h 00m

Bengaluru Intl

Sat 17/1

03:30-22:58

2 stops54h 58m

₹ 223,199

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 17/12

07:00-00:55

2 stops30h 25m

Bengaluru Intl

Sun 21/12

03:15-22:35

2 stops30h 50m

₹ 225,627

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 17/12

07:05-00:40

2 stops30h 05m

Bengaluru Intl

Wed 7/1

07:05-23:39

2 stops28h 04m

₹ 253,684

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 19/12

06:00-00:15

2 stops30h 45m

Bengaluru Intl

Mon 2/2

02:00-16:45

2 stops26h 15m

₹ 265,914

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 21 results
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Best time to book a flight from St. Louis to Bangalore

Have a flexible travel schedule? Discover the best time to fly to Bangalore from St. Louis with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Bengaluru

How far ahead should I book a flight from St. Louis to Bengaluru?

Use this chart to determine the optimal time to book a return flight from St. Louis to Bangalore. Price data was last updated on 28 November 2025.

Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Bengaluru. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from St. Louis to Bengaluru?

Currently, March is the cheapest month in which you can book a flight from St. Louis to Bengaluru (average of ₹ 91,636). Flying from St. Louis to Bengaluru in July is currently the most expensive (average of ₹ 122,301). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from St. Louis to Bengaluru?

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Bangalore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Bengaluru?

    Departing from St. Louis to Bengaluru will take you 31h 10m. Airlines will cover a distance of 14098 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from St. Louis to Bangalore that include hotel bookings?

    Yes. In addition to deals on St. Louis to Bangalore flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Bangalore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Bangalore.

  • Can I find deals for business class flights from St. Louis to Bangalore?

    Yes. Cheapflights offers flight deals from St. Louis to Bangalore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Bengaluru?

    Currently, March is the cheapest month in which you can book a flight from St. Louis to Bengaluru (average of ₹ 91,636). Flying from St. Louis to Bengaluru in July is currently the most expensive (average of ₹ 122,301). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Bangalore

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Bangalore flights

Fly with Cheapflights

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How does Cheapflights help users find flights from St. Louis to Bangalore?

Cheapflights makes it easy to find St. Louis to Bangalore flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Bangalore?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. Louis to Bangalore for you. Better yet — we are completely free to use.

Can Cheapflights find flights from St. Louis to Bangalore with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to Bangalore flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from St. Louis to Bangalore become cheaper?

Yes! Start tracking prices for St. Louis to Bangalore flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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