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$425+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BLR
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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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

Cheap 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 septiembre 11, 2025.

Round-trip from

$1,091
(FlightHub)

One-way from

$425
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,271
From Lambert-St Louis to Bengaluru Intl
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One-way flight from Lambert-St Louis to Bengaluru Intl
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Highest demand for flights based on searches. 5% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/10. 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.
mar. 10/148:49 amSTL - BLR
2 stops31h 16mQatar Airways
lun. 11/174:05 amBLR - STL
2 stops29h 52mQatar Airways
Deal found 9/10$1,091
This Gurufare deal was found by Cheapflights users on 9/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1312:25 pmSTL - BLR
2 stops25h 35mLufthansa
mar. 11/182:50 amBLR - STL
2 stops26h 19mLufthansa
Deal found 9/10$1,095
This Indian Eagle deal was found by Cheapflights users on 9/10. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1310:36 amSTL - BLR
2 stops30h 04mQatar Airways
dom. 11/164:05 amBLR - STL
2 stops26h 55mQatar Airways
Deal found 9/10$1,104
This Gurufare deal was found by Cheapflights users on 9/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1312:25 pmSTL - BLR
2 stops25h 35mLufthansa
jue. 11/202:50 amBLR - STL
2 stops26h 19mLufthansa
Deal found 9/10$1,122
This Indian Eagle deal was found by Cheapflights users on 9/10. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1512:25 pmSTL - BLR
2 stops25h 35mLufthansa
mar. 11/183:30 amBLR - STL
1 stop21h 55mLufthansa
Deal found 9/10$1,134
This Air Canada deal was found by Cheapflights users on 9/10. 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.
dom. 10/124:05 pmSTL - BLR
2 stops45h 55mAir Canada
mié. 11/192:50 amBLR - STL
2 stops48h 09mAir Canada
Deal found 9/10$1,137
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1312:25 pmSTL - BLR
2 stops25h 35mLufthansa
sáb. 11/153:30 amBLR - STL
1 stop21h 55mLufthansa
Deal found 9/10$1,145
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/264:34 pmSTL - BLR
2 stops23h 16mMultiple Airlines
sáb. 11/13:50 amBLR - STL
2 stops27h 07mMultiple Airlines
Deal found 9/11$1,146
This Gurufare deal was found by Cheapflights users on 9/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1512:25 pmSTL - BLR
2 stops25h 35mLufthansa
jue. 11/203:30 amBLR - STL
1 stop21h 55mLufthansa
Deal found 9/10$1,150
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/248:42 amSTL - BLR
2 stops31h 23mQatar Airways
vie. 10/314:05 amBLR - STL
2 stops27h 16mQatar Airways
Deal found 9/10$1,151

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 septiembre 11, 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

jue. 10/16

8:42 am-2:30 am

2 stops31h 18m

Bengaluru Intl

mar. 11/18

3:50 am-7:30 pm

2 stops27h 10m

$1,091

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

dom. 10/12

4:05 pm-12:30 am

2 stops45h 55m

Bengaluru Intl

lun. 11/17

2:50 am-3:29 pm

2 stops48h 09m

$1,137

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

mié. 10/15

12:25 pm-12:30 am

2 stops25h 35m

Bengaluru Intl

jue. 11/20

3:30 am-1:55 pm

1 stop21h 55m

$1,150

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

mié. 10/15

3:30 pm-1:20 am

1 stop23h 20m

Bengaluru Intl

mar. 11/18

3:30 am-1:55 pm

1 stop21h 55m

$1,152

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

mar. 10/14

12:25 pm-1:20 am

2 stops26h 25m

Bengaluru Intl

mar. 11/18

3:30 am-1:55 pm

1 stop21h 55m

$1,156

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

dom. 10/12

6:00 am-2:35 am

2 stops34h 05m

Bengaluru Intl

jue. 11/20

4:05 am-7:30 pm

2 stops26h 55m

$1,161

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

mié. 10/15

8:49 am-2:35 am

2 stops31h 16m

Bengaluru Intl

jue. 11/20

3:50 am-12:02 am

2 stops31h 42m

$1,161

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

dom. 10/12

6:00 am-2:35 am

2 stops34h 05m

Bengaluru Intl

dom. 11/16

4:05 am-7:30 pm

2 stops26h 55m

$1,161

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

mar. 10/14

8:49 am-2:30 am

2 stops31h 11m

Bengaluru Intl

dom. 11/16

3:50 am-11:56 pm

2 stops31h 36m

$1,161

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

mié. 10/15

8:49 am-2:35 am

2 stops31h 16m

Bengaluru Intl

dom. 11/16

4:05 am-7:30 pm

2 stops26h 55m

$1,161

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 16 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 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 August 29, 2025.

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, September is the cheapest month in which you can book a flight from St. Louis to Bengaluru (average of $853). Flying from St. Louis to Bengaluru in December is currently the most expensive (average of $1,434). 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?

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 septiembre 11, 2025.

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 1% on your trip compared to booking a flight at noon.

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 septiembre 11, 2025.
See what other customers who have flown with Japan Airlines, Delta, and KLM 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.
Japan Airlines
8.3
Very good
1,559 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Japan Airlines
8.3
Very good
1,559 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Delta
8.0
Very good
7,960 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
KLM
7.8
Good
1,385 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Qatar Airways
7.4
Good
3,624 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Lufthansa
6.8
Okay
7,409 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.

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 25h 35m. Fly via Qatar Airways, Air Canada, or Lufthansa to get the fastest option. The distance from St. Louis to Bengaluru is about 8760 mi. This flight may include one or multiple stops.

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

    Currently priced at $1,030, 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, September is the cheapest month in which you can book a flight from St. Louis to Bengaluru (average of $853). Flying from St. Louis to Bengaluru in December is currently the most expensive (average of $1,434). 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
Columbia to Bangalore flights

Top 5 airlines flying from St. Louis to Bangalore

Discover the top 5 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,030Average$1,278FlexibilityNo cancel feeOn-time68%
KLMCheapest$1,174Average$1,891FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$1,186Average$1,495FlexibilityNo cancel feeOn-time76%
DeltaCheapest$1,229Average$1,420FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$1,251Average$1,888FlexibilityNo cancel feeOn-time79%

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