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Bangalore

$453+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BLR
abr. 8 — abr. 151
mié. 4/8
mié. 4/15
1 adult, Economy
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Cheap 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 9, 2026.

This BusinessClass deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2011:37 am
STL
-
BLR
2 stops29h 03m
Air India
mié. 4/293:00 am
BLR
-
STL
2 stops43h 36m
Air India
Deal found 3/8$981
This BusinessClass deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/141:00 pm
STL
-
BLR
2 stops25h 00m
Air India
sáb. 5/302:10 am
BLR
-
STL
2 stops44h 26m
Air India
Deal found 3/6$1,005
This BusinessClass deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/141:00 pm
STL
-
BLR
2 stops25h 00m
Lufthansa
sáb. 5/303:00 am
BLR
-
STL
1 stop20h 55m
Lufthansa
Deal found 3/6$1,007
This BusinessClass deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/167:05 am
STL
-
BLR
2 stops30h 55m
Lufthansa
sáb. 5/302:10 am
BLR
-
STL
2 stops24h 06m
Lufthansa
Deal found 3/6$1,011
This FlightHub deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/196:55 pm
STL
-
BLR
2 stops43h 05m
Lufthansa
jue. 4/302:10 am
BLR
-
STL
2 stops24h 59m
Lufthansa
Deal found 3/8$1,018
This Air Canada deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/111:00 pm
STL
-
BLR
2 stops25h 00m
Air Canada
sáb. 5/302:10 am
BLR
-
STL
2 stops52h 45m
Air Canada
Deal found 3/6$1,020
This BusinessClass deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/193:30 pm
STL
-
BLR
1 stop23h 20m
Lufthansa
mar. 4/283:00 am
BLR
-
STL
1 stop20h 55m
Lufthansa
Deal found 3/8$1,024
This Air Canada deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/184:05 pm
STL
-
BLR
2 stops21h 55m
Air Canada
sáb. 5/22:10 am
BLR
-
STL
2 stops52h 45m
Air Canada
Deal found 3/8$1,025
This flugladen.de deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/2311:25 am
STL
-
BLR
2 stops29h 20m
Multiple Airlines
jue. 4/304:25 am
BLR
-
STL
3 stops49h 26m
Multiple Airlines
Deal found 3/9$1,026
This FlightHub deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/196:55 pm
STL
-
BLR
2 stops43h 05m
Lufthansa
mié. 4/293:00 am
BLR
-
STL
2 stops28h 43m
Lufthansa
Deal found 3/8$1,028
This Lufthansa deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/263:30 pm
STL
-
BLR
1 stop23h 20m
Lufthansa
mar. 8/43:00 am
BLR
-
STL
1 stop20h 55m
Lufthansa
Deal found 3/8$1,029

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 marzo 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$981
(BusinessClass)

One-way from

$491
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$1,291
Provider with most accurate pricing for Lambert-St Louis-Bengaluru Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Bengaluru Intl flights.
Search Deals
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. 3% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated marzo 9, 2026.
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 round-trip

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

sáb. 5/16

7:05 am-12:30 am

2 stops30h 55m

Bengaluru Intl

sáb. 5/30

2:10 am-3:46 pm

2 stops24h 06m

$1,011
Quickest round-trip

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

dom. 4/26

3:30 pm-1:20 am

1 stop23h 20m

Bengaluru Intl

mar. 8/4

3:00 am-1:25 pm

1 stop20h 55m

$1,026

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

mar. 4/21

11:37 am-1:20 am

2 stops27h 13m

Bengaluru Intl

jue. 4/30

2:10 am-4:39 pm

2 stops24h 59m

$1,049

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

mié. 4/22

9:10 am-7:55 pm

2 stops24h 15m

Bengaluru Intl

mié. 4/29

10:15 pm-4:41 pm

2 stops28h 56m

$1,051

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

jue. 4/23

7:05 am-3:15 am

2 stops33h 40m

Bengaluru Intl

jue. 4/30

10:15 pm-1:22 pm

2 stops25h 37m

$1,051

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

jue. 4/2

8:00 am-7:55 pm

2 stops25h 25m

Bengaluru Intl

sáb. 4/25

4:55 pm-2:03 pm

2 stops31h 38m

$1,065

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

sáb. 4/4

8:00 am-3:15 am

2 stops32h 45m

Bengaluru Intl

sáb. 4/11

10:15 pm-4:41 pm

2 stops28h 56m

$1,081

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

sáb. 4/25

8:00 am-3:15 am

2 stops32h 45m

Bengaluru Intl

sáb. 5/16

4:55 pm-6:04 pm

2 stops35h 39m

$1,081

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

jue. 3/19

2:19 pm-2:50 am

2 stops26h 01m

Bengaluru Intl

lun. 4/6

4:00 am-5:21 pm

2 stops47h 51m

$1,098
Cheapest one-way

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

mar. 3/17

7:00 am-2:20 am

2 stops32h 50m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust 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 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?

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 6, 2026.

To ensure you get the cheapest price possible for a flight from St. Louis to Bengaluru, you should look to book at least 80 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 $877). Flying from St. Louis to Bengaluru in December is currently the most expensive (average of $1,351). 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 to fly round-trip from St. Louis to Bengaluru?

Reviews of airlines servicing Bangalore

Get insights into the airlines that provide service to Bangalore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bangalore. Reviews last updated marzo 9, 2026.
See what other customers who have flown with Delta,Qatar Airways, andLufthansa 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
8,276 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

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
8,276 reviews
Delta
7.9
Good
8,276 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

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.
Qatar Airways
7.4
Good
3,744 reviews
Delta
7.9
Good
8,276 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

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.
Lufthansa
6.8
Okay
7,840 reviews
Delta
7.9
Good
8,276 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

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.

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?

    There are many flights that can get you from St. Louis to Bengaluru in 30h 55m. Fly via Lufthansa 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 $1,026, 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 Qatar Airways and Delta - these airlines can fly you to your destination from $1,030 and $1,096, respectively. Users have found that Lufthansa is 25% 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 $877). Flying from St. Louis to Bengaluru in December is currently the most expensive (average of $1,351). 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

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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

Top 3 airlines flying from St. Louis to Bangalore

Discover the top 3 airlines that operate flights from St. Louis to Bangalore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$1,026Average$1,473FlexibilityNo cancel feeOn-time76%
Qatar AirwaysCheapest$1,030Average$1,272FlexibilityNo cancel feeOn-time68%
DeltaCheapest$1,096Average$1,767FlexibilityNo cancel feeOn-timeN/A

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