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$530+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BLR
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Bengaluru Intl are usually found in August or February, 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 June 30, 2025.

Round-trip from

$1,115
(Etihad Airways)

One-way from

$530
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$1,579
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. 3% potential increase in price ($44 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 June 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 June 30, 2025.

This Indian Eagle deal was found by Cheapflights users on 6/29. 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.
Thu 10/301:22 pmSTL - BLR
2 stops26h 58mQatar Airways
Tue 11/113:50 amBLR - STL
2 stops25h 57mQatar Airways
Deal found 6/29$1,071
This Indian Eagle deal was found by Cheapflights users on 6/29. 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.
Wed 10/2911:49 amSTL - BLR
2 stops26h 41mLufthansa
Tue 11/113:30 amBLR - STL
1 stop21h 55mLufthansa
Deal found 6/29$1,088
This Etihad Airways deal was found by Cheapflights users on 6/28. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:10 amSTL - BLR
2 stops27h 05mMultiple Airlines
Sat 10/44:30 pmBLR - STL
2 stops38h 25mMultiple Airlines
Deal found 6/28$1,115
This British Airways deal was found by Cheapflights users on 6/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:23 pmSTL - BLR
2 stops30h 12mBritish Airways
Fri 11/147:15 amBLR - STL
2 stops26h 44mBritish Airways
Deal found 6/29$1,378

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 June 30, 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

Fri 9/19

6:10 am-7:45 pm

2 stops27h 05m

Bengaluru Intl

Sat 10/4

4:30 pm-8:25 pm

2 stops38h 25m

$1,115

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 9/19

6:00 am-2:30 am

2 stops34h 00m

Bengaluru Intl

Fri 10/3

3:50 am-8:15 pm

2 stops26h 55m

$1,172

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 8/13

1:20 pm-12:30 am

2 stops24h 40m

Bengaluru Intl

Tue 8/19

3:00 am-1:30 pm

1 stop21h 00m

$1,240

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Thu 7/3

11:17 am-11:15 pm

2 stops25h 28m

Bengaluru Intl

Wed 7/30

1:35 am-6:05 pm

2 stops27h 00m

$2,266

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 8/10

1:42 pm-4:40 am

2 stops28h 28m

Bengaluru Intl

Tue 9/2

6:45 am-10:17 pm

2 stops26h 02m

$3,473

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 8/10

4:00 pm-12:30 am

2 stops46h 00m

Bengaluru Intl

Mon 9/1

3:00 am-7:57 pm

2 stops27h 27m

$4,352

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 8/8

1:15 pm-2:35 am

2 stops26h 50m

$530

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 8/8

3:30 pm-1:20 am

1 stop23h 20m

$749

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 7/9

8:37 am-7:45 pm

2 stops24h 38m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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 June 27, 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 $911). 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 June 30, 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 June 30, 2025.
See what other customers who have flown with KLM, Qatar Airways, and Air Canada 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.
KLM
7.8
Good
1,366 reviews

Food

7.2

Entertainment

7.1

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,366 reviews
KLM
7.8
Good
1,366 reviews

Food

7.2

Entertainment

7.1

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Qatar Airways
7.4
Good
3,596 reviews
KLM
7.8
Good
1,366 reviews

Food

7.2

Entertainment

7.1

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,657 reviews
KLM
7.8
Good
1,366 reviews

Food

7.2

Entertainment

7.1

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,201 reviews
KLM
7.8
Good
1,366 reviews

Food

7.2

Entertainment

7.1

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,081 reviews
KLM
7.8
Good
1,366 reviews

Food

7.2

Entertainment

7.1

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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?

    Currently priced at $1,172, 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 Lufthansa and KLM - these airlines can fly you to your destination from $1,240 and $2,266, respectively. Users have found that Qatar Airways 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 $911). 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 4 airlines flying from St. Louis to Bangalore

Discover the top 4 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,035Average$1,274FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,177Average$1,497FlexibilityNo 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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