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

Departing from St. Louis to Bengaluru will take you 42h 35m. Airlines will cover a distance of 14098 km.

In terms of precipitation, rainfall in Bengaluru ranges from 0.0 - 170.0 inches per month. September is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Bengaluru when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Bengaluru, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).

What is the cheapest time of day to fly from STL to BLR?

When flying from St. Louis to Bengaluru, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

₹ 58,149+ Cheap Flights from St. Louis to Bengaluru

Cheap flight deals from St. Louis to Bangalore

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 29 September 2026.

Sat 10/1007:29 -

2 stops33h 16m

Sun 18/1004:35 -

2 stops26h 52m

Deal found 27/9₹ 108,333

Sun 1/1105:04 -

2 stops40h 11m

Sun 29/1104:20 -

2 stops55h 08m

Deal found 26/9₹ 108,621

Tue 29/1207:50 -

2 stops42h 35m

Sat 16/110:00 -

2 stops43h 18m

Deal found 24/9₹ 109,677

Wed 4/1118:20 -

2 stops38h 00m

Sun 29/1110:00 -

2 stops58h 56m

Deal found 28/9₹ 112,651

Mon 26/1009:17 -

2 stops31h 13m

Tue 10/1104:20 -

2 stops40h 26m

Deal found 26/9₹ 116,202

Sun 25/1005:00 -

2 stops41h 05m

Wed 11/1121:15 -

2 stops32h 32m

Deal found 24/9₹ 117,257

Sun 25/1017:08 -

3 stops40h 12m

Tue 10/1104:20 -

2 stops40h 26m

Deal found 27/9₹ 117,737

Fri 16/1009:27 -

2 stops23h 58m

Sat 31/1010:00 -

2 stops38h 20m

Deal found 28/9₹ 122,727

Mon 19/1013:06 -

2 stops26h 54m

Fri 23/1021:10 -

2 stops27h 50m

Deal found 24/9₹ 123,110

Find flight deals from St. Louis to Bangalore

Round-trip from	₹ 108,333
One-way from	₹ 58,149
Popular in	March
Cheapest in	April
Average price	₹ 169,457

10/10-18/10
4 total stops
60h 08m total
St. Louis to Bengaluru

Search Deals

21/10-31/12
2 total stops
44h 15m total
St. Louis to Bengaluru

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (₹ 925,329 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (₹ 720,014 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Bengaluru that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisBengaluru

STL Lambert-St Louis - BLR Bengaluru Intl

STLBLR

Lambert-St Louis

Tue 2/2

15:54-21:55

3 stops42h 31m

Bengaluru Intl

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 58,533

St. LouisBengaluru

STL Lambert-St Louis - BLR Bengaluru Intl

STLBLR

Lambert-St Louis

Mon 19/10

18:35-01:20

2 stops44h 15m

Bengaluru Intl

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 58,916

St. LouisBengaluru

STL Lambert-St Louis - BLR Bengaluru Intl

STLBLR

Lambert-St Louis

Sun 1/11

19:06-08:35

2 stops25h 59m

Bengaluru Intl

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 66,881

St. LouisBengaluru

STL Lambert-St Louis - BLR Bengaluru Intl

STLBLR

Lambert-St Louis

Thu 3/12

06:04-13:15

3 stops43h 41m

Bengaluru Intl

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 82,042

St. LouisBengaluru

STL Lambert-St Louis - BLR Bengaluru Intl

STLBLR

Lambert-St Louis

Thu 3/12

07:03-00:30

2 stops29h 57m

Bengaluru Intl

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 83,001

St. LouisBengaluru

STL Lambert-St Louis - BLR Bengaluru Intl

STLBLR

Lambert-St Louis

Tue 20/10

15:30-01:20

1 stop23h 20m

Bengaluru Intl

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 84,440

St. LouisBengaluru

STL Lambert-St Louis - BLR Bengaluru Intl

STLBLR

Lambert-St Louis

Mon 19/10

15:30-01:20

1 stop23h 20m

Bengaluru Intl

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 85,592

St. LouisBengaluru

STL Lambert-St Louis - BLR Bengaluru Intl

STLBLR

Lambert-St Louis

Tue 20/10

14:40-08:55

3 stops31h 45m

Bengaluru Intl

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 85,784

Fastest return journey

St. LouisBengaluru

STL Lambert-St Louis - BLR Bengaluru Intl

STLBLR

Lambert-St Louis

Sun 1/11

15:40-01:50

1 stop22h 40m

Bengaluru Intl

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 88,087

St. LouisBengaluru

STL Lambert-St Louis - BLR Bengaluru Intl

STLBLR

Lambert-St Louis

Sat 10/10

07:29-03:15

2 stops33h 16m

Bengaluru Intl

Sun 18/10

04:35-20:57

2 stops26h 52m

₹ 108,333

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Showing 1-10 of 16 resultsSorted by cheapest first

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.

STL-BLR

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

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

Currently, April is the cheapest month in which you can book a flight from St. Louis to Bengaluru (average of ₹ 99,793). Flying from St. Louis to Bengaluru in March is currently the most expensive (average of ₹ 230,100). 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?

Airfare is below average for this route at the moment.

St. Louis to Bengaluru flights typically cost between ₹ 123,686 and ₹ 133,570 in October.
The cheapest return price found within the last 5 days was ₹ 108,333 on Multiple Airlines (10 Oct–18 Oct).

Related info for your journey

How long is the flight from St. Louis to Bengaluru?
Departing from St. Louis to Bengaluru will take you 42h 35m. Airlines will cover a distance of 14098 km.
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, April is the cheapest month in which you can book a flight from St. Louis to Bengaluru (average of ₹ 99,793). Flying from St. Louis to Bengaluru in March is currently the most expensive (average of ₹ 230,100). 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

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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?

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

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

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Cheap flights from St. Louis to Bengaluru from ₹ 58,149

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St. Louis to Bangalore

Cheapest flights from St. Louis to BangaloreExplore 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 29 September 2026.

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 29 September 2026.

Best flights from St. Louis to BangaloreDiscover carefully curated flight deals from St. Louis to Bangalore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Discover carefully curated flight deals from St. Louis to Bangalore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Last-minute flights from St. Louis to BangaloreDiscover last-minute flight deals from St. Louis to Bangalore. Data last updated 29 September 2026 and is based on user searches.

Discover last-minute flight deals from St. Louis to Bangalore. Data last updated 29 September 2026 and is based on user searches.

One-way flights from St. Louis to BangaloreSearch for one-way flight options from St. Louis to Bangalore. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Search for one-way flight options from St. Louis to Bangalore. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Find flight deals from St. Louis to Bangalore

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Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Bengaluru that are best for you.

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.

Cheapflights Insights

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

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

Airfare is below average for this route at the moment.

St. Louis to Bengaluru flights typically cost between ₹ 123,686 and ₹ 133,570 in October.The cheapest return price found within the last 5 days was ₹ 108,333 on Multiple Airlines (10 Oct–18 Oct).

Related info for your journey

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

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

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

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

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

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.

Other flights to Bangalore

Explore flights to Bangalore departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 September 2026.

Complete your trip

Complete your trip to Bangalore by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Karnataka

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Search flights from St. Louis to Bangalore by cabin class

Find flights from St. Louis to Bangalore, based on your preferred cabin class, be it economy, premium economy, business, or first class.

St. Louis and Bangalore flights

Browse other St. Louis and Bangalore flight options. Last updated on 29 September 2026.

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

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

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

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

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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 29 September 2026.

Best flights from St. Louis to Bangalore
Discover carefully curated flight deals from St. Louis to Bangalore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Last-minute flights from St. Louis to Bangalore
Discover last-minute flight deals from St. Louis to Bangalore. Data last updated 29 September 2026 and is based on user searches.

One-way flights from St. Louis to Bangalore
Search for one-way flight options from St. Louis to Bangalore. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

St. Louis to Bengaluru flights typically cost between ₹ 123,686 and ₹ 133,570 in October.
The cheapest return price found within the last 5 days was ₹ 108,333 on Multiple Airlines (10 Oct–18 Oct).