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

Currently priced at $1,188, Lufthansa will fly you from St. Louis to Bengaluru and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Qatar Airways - these airlines can fly you to your destination from $1,227 and $1,325, respectively. Users have found that Lufthansa is 12% cheaper than the other options available to this destination.

What is the cheapest day to fly from St. Louis to Bengaluru?

Travelers seeking maximum savings on their St. Louis to Bengaluru flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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: British Airways, Delta or Emirates.

What is the cheapest day to fly round-trip from St. Louis to Bengaluru?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 7%.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 17 days in advance, which can save you up to 13% on flights from St. Louis to Bengaluru compared to booking the week you need them. Waiting 17 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,232. For sooner than that we have options available in the next 3 days from $1,506.

What is the cheapest month to fly from St. Louis to Bengaluru?

The best pricing can be found in the month of February. Prices to Bengaluru from St. Louis average $1,365. You can even find prices in February for less than $1,365, as users have found deals to Bengaluru from as low as $1,018. The month of July appears to be one of the more expensive times to travel to Bengaluru from St. Louis. Flying in the targeted month can save you up to 23%.

Most accurate provider : When it comes to deals on St. Louis-Bengaluru flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Bengaluru flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

$1,188+ Flights from St. Louis to Bengaluru

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1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Lambert-St Louis to Bengaluru Intl are usually found in February or August, booked 67 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap flight deals from St. Louis to Bangalore

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,188 (Indian Eagle)
Popular in	July
Cheapest in	February
Average price	$1,187

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

Highest demand for flights based on searches. 7% potential increase in price ($115 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

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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 marzo 28, 2025.

jue. 4/171:12 pmSTL - BLR

2 stops25h 38mLufthansa

sáb. 4/193:00 amBLR - STL

1 stop21h 00mLufthansa

Deal found 3/26

$1,188

mié. 8/204:23 pmSTL - BLR

2 stops23h 37mMultiple Airlines

mié. 9/33:15 pmBLR - STL

2 stops31h 33mMultiple Airlines

Deal found 3/25

$1,201

vie. 5/92:30 pmSTL - BLR

2 stops48h 20mAir Canada

dom. 5/182:10 amBLR - STL

2 stops52h 18mAir Canada

Deal found 3/26

$1,227

jue. 4/176:15 amSTL - BLR

2 stops33h 50mQatar Airways

dom. 4/204:00 amBLR - STL

2 stops30h 03mQatar Airways

Deal found 3/26

$1,325

vie. 5/96:00 amSTL - BLR

2 stops30h 45mDelta

lun. 5/195:40 amBLR - STL

2 stops28h 28mDelta

Deal found 3/25

$1,376

jue. 6/124:23 pmSTL - BLR

2 stops25h 47mBritish Airways

jue. 7/106:45 amBLR - STL

2 stops27h 34mBritish Airways

Deal found 3/26

$2,241

dom. 12/144:15 pmSTL - BLR

Nonstop22h 10mUndisclosed Carrier

sáb. 1/39:35 pmBLR - STL

Nonstop27h 50mUndisclosed Carrier

Deal found 3/26

$3,398

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 marzo 28, 2025.

jue. 4/171:12 pmSTL - BLR

2 stops25h 38mLufthansa

sáb. 4/193:00 amBLR - STL

1 stop21h 00mLufthansa

Deal found 3/26

$1,188

vie. 5/92:30 pmSTL - BLR

2 stops48h 20mAir Canada

dom. 5/182:10 amBLR - STL

2 stops52h 18mAir Canada

Deal found 3/26

$1,227

vie. 5/97:30 amSTL - BLR

2 stops31h 20mMultiple Airlines

lun. 5/198:25 pmBLR - STL

3 stops29h 52mMultiple Airlines

Deal found 3/25

$1,248

jue. 4/176:15 amSTL - BLR

2 stops33h 50mQatar Airways

dom. 4/204:00 amBLR - STL

2 stops30h 03mQatar Airways

Deal found 3/26

$1,325

vie. 5/96:00 amSTL - BLR

2 stops30h 45mDelta

lun. 5/195:40 amBLR - STL

2 stops28h 28mDelta

Deal found 3/25

$1,376

jue. 6/124:23 pmSTL - BLR

2 stops25h 47mBritish Airways

jue. 7/106:45 amBLR - STL

2 stops27h 34mBritish Airways

Deal found 3/26

$2,241

Last-minute flights from St. Louis to Bangalore
Discover last-minute flight deals from St. Louis to Bangalore. Data last updated marzo 28, 2025 and is based on user searches.

jue. 4/105:45 amSTL - BLR

2 stops27h 30mMultiple Airlines

vie. 4/254:30 amBLR - STL

2 stops28h 25mMultiple Airlines

Deal found 3/27

$1,286

sáb. 4/1911:06 amSTL - BLR

2 stops52h 54mQatar Airways

vie. 4/253:50 amBLR - STL

2 stops43h 29mQatar Airways

Deal found 3/27

$1,229

sáb. 4/191:12 pmSTL - BLR

2 stops24h 48mLufthansa

sáb. 4/267:45 pmBLR - STL

3 stops30h 32mLufthansa

Deal found 3/27

$1,518

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

jue. 4/17

1:12 pm-1:20 am

2 stops25h 38m

Bengaluru Intl

sáb. 4/19

3:00 am-1:30 pm

1 stop21h 00m

$1,188

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

vie. 5/9

2:30 pm-1:20 am

2 stops48h 20m

Bengaluru Intl

dom. 5/18

2:10 am-7:58 pm

2 stops52h 18m

$1,227

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

vie. 5/9

7:30 am-1:20 am

2 stops31h 20m

Bengaluru Intl

lun. 5/19

8:25 pm-3:47 pm

3 stops29h 52m

$1,248

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

jue. 4/17

6:15 am-2:35 am

2 stops33h 50m

Bengaluru Intl

dom. 4/20

4:00 am-11:33 pm

2 stops30h 03m

$1,325

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

vie. 5/9

6:00 am-11:15 pm

2 stops30h 45m

Bengaluru Intl

lun. 5/19

5:40 am-11:38 pm

2 stops28h 28m

$1,376

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

jue. 6/12

4:23 pm-4:40 am

2 stops25h 47m

Bengaluru Intl

jue. 7/10

6:45 am-11:49 pm

2 stops27h 34m

$2,241

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 March.

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

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Bengaluru flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 67 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, September is the cheapest month in which you can book a flight from St. Louis to Bengaluru (average of $929). Flying from St. Louis to Bengaluru in June is currently the most expensive (average of $1,530). 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 morning. If you’re flexible enough to do this you can expect to save up to 2% on your trip compared to booking a flight at noon.

Rainfall in Bangalore by month

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.

Temperature in Bangalore by month

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).

Reviews of airlines servicing Bangalore

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,896 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Qatar Airways

7.4

Good

3,538 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

8,986 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Lufthansa

6.7

Okay

6,956 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways

6.6

Okay

6,712 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from St. Louis to Bengaluru round-trip?
Currently priced at $1,188, Lufthansa will fly you from St. Louis to Bengaluru and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Qatar Airways - these airlines can fly you to your destination from $1,227 and $1,325, respectively. Users have found that Lufthansa is 12% 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, September is the cheapest month in which you can book a flight from St. Louis to Bengaluru (average of $929). Flying from St. Louis to Bengaluru in June is currently the most expensive (average of $1,530). 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 7 airlines flying from St. Louis to Bangalore

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	Cheapest$1,035	Average$1,183	FlexibilityNo cancel fee	On-time68%
Emirates	Cheapest$1,099	Average$1,266	FlexibilityNo cancel fee	On-time75%
KLM	Cheapest$1,174	Average$1,370	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$1,183	Average$1,535	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$1,229	Average$1,487	FlexibilityNo cancel fee	On-timeN/A
Japan Airlines	Cheapest$1,251	Average$1,593	FlexibilityNo cancel fee	On-time79%
British Airways	Cheapest$1,520	Average$1,594	FlexibilityNo cancel fee	On-time70%

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$1,188+ Cheap flights from St. Louis (STL) to Bengaluru (BLR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/17. 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 August, booked 67 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap flight deals from St. Louis to Bangalore

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

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 marzo 28, 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 marzo 28, 2025.

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 March.

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?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Bangalore. Price data was last updated on March 21, 2025.

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?

Find hourly flight availability from St. Louis to Bangalore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 28, 2025.

Rainfall in Bangalore by month

Plan your trip to Bangalore by taking into account the average rainfall totals by month.

Temperature in Bangalore by month

Plan your trip to Bangalore by taking into account the average temperature totals by month.

Reviews of airlines servicing Bangalore

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.

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 7 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 marzo 28, 2025.