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

There are many flights that can get you from St. Louis to Bengaluru in 28h 17m. Fly via Delta to get the fastest option. The distance from St. Louis to Bengaluru is about 8760 mi.

What are the cheapest airlines flying from St. Louis to Bengaluru round-trip?

Currently priced at $1,025, Qatar Airways will fly you from St. Louis to Bengaluru and back. In addition to Qatar Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Lufthansa - these airlines can fly you to your destination from $1,174 and $1,186, respectively. Users have found that Qatar Airways is 24% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in Bengaluru ranges from 0.0 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. January is typically the driest time to visit Bengaluru when rainfall is around 0.0 in.

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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

What are the most popular airlines that fly from St. Louis to Bengaluru?

Before booking your flight from St. Louis to Bengaluru check out the most popular airlines for this route: Lufthansa, Qatar Airways or Delta.

Most accurate provider : When it comes to deals on St. Louis-Bengaluru flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Bengaluru flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Bengaluru flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Bengaluru flights, Cheapflights users trust Gurufare the most. Gurufare has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Bengaluru flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 vacation 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.

$883+ Flights from St. Louis to Bengaluru

Q: How much does it cost to fly round-trip from St. Louis to Bengaluru?

Airfare is below average for this route at the moment. St. Louis to Bengaluru flights typically cost between $1,340 and $1,692 in January. The cheapest round-trip price found within the last 3 days was $1,031 on Delta (Jan 7-Jan 28).

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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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 Monday and return on a Friday

Find flight deals from St. Louis to Bangalore

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 November 24, 2025.

Sun 11/306:00 amSTL - BLR

2 stops32h 45mQatar Airways

Mon 12/83:50 amBLR - STL

2 stops46h 07mQatar Airways

Deal found 11/24

$1,131

Sun 11/306:00 amSTL - BLR

2 stops32h 50mQatar Airways

Mon 3/304:00 amBLR - STL

2 stops30h 25mQatar Airways

Deal found 11/23

$1,194

Sun 11/304:05 pmSTL - BLR

2 stops46h 15mMultiple Airlines

Tue 12/96:30 amBLR - STL

2 stops42h 55mMultiple Airlines

Deal found 11/24

$1,349

Sun 11/306:43 pmSTL - BLR

2 stops43h 37mLufthansa

Tue 12/99:30 pmBLR - STL

2 stops27h 55mLufthansa

Deal found 11/23

$1,404

Fri 11/281:10 pmSTL - BLR

2 stops48h 25mLufthansa

Thu 12/42:50 amBLR - STL

2 stops32h 22mLufthansa

Deal found 11/23

$1,406

Thu 11/277:00 amSTL - BLR

2 stops29h 50mMultiple Airlines

Mon 12/81:25 amBLR - STL

2 stops34h 02mMultiple Airlines

Deal found 11/24

$1,435

Sat 11/296:43 pmSTL - BLR

2 stops42h 52mLufthansa

Tue 12/232:50 amBLR - STL

2 stops49h 07mLufthansa

Deal found 11/22

$1,440

Wed 11/267:00 amSTL - BLR

2 stops29h 50mCathay Pacific

Mon 12/81:25 amBLR - STL

2 stops26h 55mCathay Pacific

Deal found 11/22

$1,443

Best flights from St. Louis to Bangalore
Discover carefully curated flight deals from St. Louis to Bangalore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 24, 2025.

Wed 1/711:23 amSTL - BLR

2 stops28h 17mDelta

Tue 1/277:05 amBLR - STL

2 stops36h 59mDelta

Deal found 11/24

$1,031

Wed 1/216:00 amSTL - BLR

2 stops39h 15mMultiple Airlines

Mon 2/210:00 amBLR - STL

2 stops43h 46mMultiple Airlines

Deal found 11/23

$1,045

Fri 1/233:31 pmSTL - BLR

2 stops21h 39mKLM

Fri 1/302:30 amBLR - STL

2 stops25h 37mKLM

Deal found 11/24

$1,162

Fri 4/243:30 pmSTL - BLR

1 stop23h 20mLufthansa

Tue 4/289:30 pmBLR - STL

2 stops26h 30mLufthansa

Deal found 11/21

$1,220

Thu 1/810:33 amSTL - BLR

2 stops26h 12mDelta

Tue 1/277:05 amBLR - STL

2 stops36h 59mDelta

Deal found 11/24

$1,032

Wed 1/711:23 amSTL - BLR

2 stops28h 17mDelta

Thu 1/292:30 amBLR - STL

2 stops32h 37mDelta

Deal found 11/24

$1,032

Thu 1/86:25 amSTL - BLR

2 stops30h 20mDelta

Wed 1/282:00 amBLR - STL

2 stops29h 36mDelta

Deal found 11/24

$1,034

Thu 1/86:25 amSTL - BLR

2 stops30h 20mDelta

Thu 1/292:30 amBLR - STL

2 stops29h 37mDelta

Deal found 11/24

$1,034

Tue 1/65:32 pmSTL - BLR

2 stops43h 38mDelta

Sun 1/252:00 amBLR - STL

2 stops31h 08mDelta

Deal found 11/24

$1,040

Wed 1/79:59 amSTL - BLR

2 stops31h 46mDelta

Wed 1/147:05 amBLR - STL

2 stops28h 04mDelta

Deal found 11/23

$1,159

Last-minute flights from St. Louis to Bangalore
Discover last-minute flight deals from St. Louis to Bangalore. Data last updated November 24, 2025 and is based on user searches.

Wed 11/267:00 amSTL - BLR

2 stops29h 50mCathay Pacific

Sun 12/71:25 amBLR - STL

2 stops34h 02mCathay Pacific

Deal found 11/22

$1,443

Thu 11/277:00 amSTL - BLR

2 stops29h 50mMultiple Airlines

Mon 12/81:25 amBLR - STL

2 stops34h 02mMultiple Airlines

Deal found 11/24

$1,435

Fri 11/281:10 pmSTL - BLR

2 stops48h 25mLufthansa

Thu 12/42:50 amBLR - STL

2 stops32h 22mLufthansa

Deal found 11/23

$1,406

Sat 11/296:43 pmSTL - BLR

2 stops42h 52mLufthansa

Tue 12/232:50 amBLR - STL

2 stops49h 07mLufthansa

Deal found 11/22

$1,440

Sun 11/306:00 amSTL - BLR

2 stops32h 45mQatar Airways

Mon 12/83:50 amBLR - STL

2 stops46h 07mQatar Airways

Deal found 11/24

$1,131

Sun 11/306:00 amSTL - BLR

2 stops32h 50mQatar Airways

Mon 3/304:00 amBLR - STL

2 stops30h 25mQatar Airways

Deal found 11/23

$1,194

Sun 11/304:05 pmSTL - BLR

2 stops46h 15mMultiple Airlines

Tue 12/96:30 amBLR - STL

2 stops42h 55mMultiple Airlines

Deal found 11/24

$1,349

Sun 11/306:43 pmSTL - BLR

2 stops43h 37mLufthansa

Tue 12/99:30 pmBLR - STL

2 stops27h 55mLufthansa

Deal found 11/23

$1,404

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 November 24, 2025.

Thu 12/255:26 pmSTL - BLR

2 stops45h 19mQatar Airways

Deal found 11/24

$883

Thu 12/2510:42 amSTL - BLR

3 stops52h 03mMultiple Airlines

Deal found 11/24

$976

Tue 12/2311:51 amSTL - BLR

3 stops50h 29mMultiple Airlines

Deal found 11/24

$1,071

Sun 12/213:50 pmSTL - BLR

1 stop22h 30mLufthansa

Deal found 11/24

$1,271

Sun 12/2111:05 amSTL - BLR

3 stops44h 05mMultiple Airlines

Deal found 11/24

$1,691

Mon 5/45:45 pmSTL - BLR

3 stops43h 35mMultiple Airlines

Deal found 11/23

$2,345

Mon 5/46:30 amSTL - BLR

2 stops31h 10mCathay Pacific

Deal found 11/23

$3,344

Cheap flight deals from St. Louis to Bangalore

Most accurate provider	eDreams 3 stars
Most trusted provider	Gurufare 3 stars
Round-trip from	$1,031 (Delta)
One-way from	$883 (oojo)
Popular in	July
Cheapest in	February
Average price	$1,354

Provider with most accurate pricing for Lambert-St Louis-Bengaluru Intl flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-Bengaluru Intl flights.

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From Lambert-St Louis to Bengaluru Intl

Search Deals

One-way flight from Lambert-St Louis to Bengaluru Intl

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($83 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

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

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 1/7

11:23 am-3:10 am

2 stops28h 17m

Bengaluru Intl

Tue 1/27

7:05 am-8:34 am

2 stops36h 59m

$1,031

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Thu 1/8

10:33 am-12:15 am

2 stops26h 12m

Bengaluru Intl

Tue 1/27

7:05 am-8:34 am

2 stops36h 59m

$1,032

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 1/7

11:23 am-3:10 am

2 stops28h 17m

Bengaluru Intl

Thu 1/29

2:30 am-11:37 pm

2 stops32h 37m

$1,032

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Thu 1/8

6:25 am-12:15 am

2 stops30h 20m

Bengaluru Intl

Wed 1/28

2:00 am-8:06 pm

2 stops29h 36m

$1,034

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Thu 1/8

6:25 am-12:15 am

2 stops30h 20m

Bengaluru Intl

Thu 1/29

2:30 am-8:37 pm

2 stops29h 37m

$1,034

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Tue 1/6

5:32 pm-12:40 am

2 stops43h 38m

Bengaluru Intl

Sun 1/25

2:00 am-9:38 pm

2 stops31h 08m

$1,040

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 1/21

6:00 am-8:45 am

2 stops39h 15m

Bengaluru Intl

Mon 2/2

10:00 am-6:16 pm

2 stops43h 46m

$1,045

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 1/7

9:59 am-5:15 am

2 stops31h 46m

Bengaluru Intl

Wed 1/14

7:05 am-11:39 pm

2 stops28h 04m

$1,159

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 1/23

3:31 pm-12:40 am

2 stops21h 39m

Bengaluru Intl

Fri 1/30

2:30 am-4:37 pm

2 stops25h 37m

$1,162

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 4/24

3:30 pm-1:20 am

1 stop23h 20m

Bengaluru Intl

Tue 4/28

9:30 pm-1:30 pm

2 stops26h 30m

$1,220

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 16 results

Compare providers for flights from St. Louis to Bangalore

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Bangalore in November.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Gurufare	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Bengaluru flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Bengaluru flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Bengaluru flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Bengaluru flights, Cheapflights users trust Gurufare the most. Gurufare has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Bengaluru flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?

To ensure you get the cheapest price possible for a flight from St. Louis to Bengaluru, you should look to book at least 49 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $1,019). Flying from St. Louis to Bengaluru in July is currently the most expensive (average of $1,360). 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.

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

A simple way to save on the total cost of your ticket is to fly from St. Louis to Bengaluru in the evening. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from St. Louis to Bengaluru?

Reviews of airlines servicing Bangalore

See what other customers who have flown with Delta, KLM, and Qatar Airways from St. Louis to Bengaluru have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

7,998 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

7,998 reviews

Delta

7.9

Good

7,998 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

KLM

7.7

Good

1,420 reviews

Delta

7.9

Good

7,998 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Qatar Airways

7.4

Good

3,671 reviews

Delta

7.9

Good

7,998 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Lufthansa

6.8

Okay

7,589 reviews

Delta

7.9

Good

7,998 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from St. Louis to Bengaluru?
There are many flights that can get you from St. Louis to Bengaluru in 28h 17m. Fly via Delta to get the fastest option. The distance from St. Louis to Bengaluru is about 8760 mi.
What are the cheapest airlines flying from St. Louis to Bengaluru round-trip?
Currently priced at $1,025, Qatar Airways will fly you from St. Louis to Bengaluru and back. In addition to Qatar Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Lufthansa - these airlines can fly you to your destination from $1,174 and $1,186, respectively. Users have found that Qatar Airways is 24% cheaper than the other options available to this destination.
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 vacation 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 $1,019). Flying from St. Louis to Bengaluru in July is currently the most expensive (average of $1,360). 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

Alternative routes for St. Louis to Bangalore

Kansas City to Bangalore flights

Columbia to Bangalore flights

Other flights to Bangalore

Top 4 airlines flying from St. Louis to Bangalore

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	Cheapest$1,025	Average$1,258	FlexibilityNo cancel fee	On-time68%
KLM	Cheapest$1,174	Average$1,615	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$1,186	Average$1,518	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$1,229	Average$1,420	FlexibilityNo cancel fee	On-timeN/A

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$883+ Cheap flights from St. Louis (STL) to Bengaluru (BLR)

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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Bangalore with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Monday and return on a Friday

Find 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 November 24, 2025.

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 November 24, 2025.

Cheap flight deals from St. Louis to Bangalore

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from St. Louis to Bangalore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Bangalore in November.

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

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?

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

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

How much does it cost to fly round-trip from St. Louis to Bengaluru?

Reviews of airlines servicing Bangalore

See what other customers who have flown with Delta, KLM, and Qatar Airways from St. Louis to Bengaluru have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines flying from St. Louis to Bengaluru round-trip?

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.

Top 4 airlines flying from St. Louis to Bangalore

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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 November 24, 2025.