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$455+ 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 16 — Jul 231
Wed 7/16
Wed 7/23
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 July 11, 2025.

Round-trip from

$1,074
(Etihad Airways)

One-way from

$455
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$1,591
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 July 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 July 11, 2025.

This Indian Eagle deal was found by Cheapflights users on 7/9. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/61:15 pmSTL - BLR
2 stops26h 45mQatar Airways
Sun 8/173:50 amBLR - STL
2 stops26h 58mQatar Airways
Deal found 7/9$1,106
This Etihad Airways deal was found by Cheapflights users on 7/9. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amSTL - BLR
2 stops27h 15mMultiple Airlines
Sat 8/3010:10 amBLR - STL
2 stops37h 13mMultiple Airlines
Deal found 7/9$1,248
This Ovago deal was found by Cheapflights users on 7/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/61:20 pmSTL - BLR
2 stops25h 30mLufthansa
Tue 8/193:00 amBLR - STL
1 stop21h 00mLufthansa
Deal found 7/9$1,251
This Gurufare deal was found by Cheapflights users on 7/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amSTL - BLR
2 stops31h 45mJapan Airlines
Fri 8/292:15 amBLR - STL
2 stops31h 24mJapan Airlines
Deal found 7/9$1,257

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 July 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

Wed 8/6

1:15 pm-2:30 am

2 stops26h 45m

Bengaluru Intl

Sun 8/17

3:50 am-8:18 pm

2 stops26h 58m

$1,106

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sat 8/23

6:00 am-7:45 pm

2 stops27h 15m

Bengaluru Intl

Sat 8/30

10:10 am-12:53 pm

2 stops37h 13m

$1,248

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 8/6

1:20 pm-1:20 am

2 stops25h 30m

Bengaluru Intl

Tue 8/19

3:00 am-1:30 pm

1 stop21h 00m

$1,251

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sat 8/23

6:00 am-12:15 am

2 stops31h 45m

Bengaluru Intl

Fri 8/29

2:15 am-11:09 pm

2 stops31h 24m

$1,257

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 8/8

10:47 am-2:20 am

3 stops29h 03m

$455

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 8/8

6:00 am-2:35 am

2 stops34h 05m

$533

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 8/8

3:30 pm-1:20 am

1 stop23h 20m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

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 $906). 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 July 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 July 11, 2025.
See what other customers who have flown with Japan Airlines, Delta, 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.
Japan Airlines
8.3
Very good
1,511 reviews

Entertainment

7.8

Crew

8.7

Comfort

8.2

Food

7.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very good
1,511 reviews
Japan Airlines
8.3
Very good
1,511 reviews

Entertainment

7.8

Crew

8.7

Comfort

8.2

Food

7.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Delta
8.0
Very good
7,951 reviews
Japan Airlines
8.3
Very good
1,511 reviews

Entertainment

7.8

Crew

8.7

Comfort

8.2

Food

7.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Qatar Airways
7.4
Good
3,596 reviews
Japan Airlines
8.3
Very good
1,511 reviews

Entertainment

7.8

Crew

8.7

Comfort

8.2

Food

7.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Lufthansa
6.8
Okay
7,199 reviews
Japan Airlines
8.3
Very good
1,511 reviews

Entertainment

7.8

Crew

8.7

Comfort

8.2

Food

7.7

Overall

8.3

Boarding

8.4

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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 $1,106, 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 Japan Airlines - these airlines can fly you to your destination from $1,251 and $1,257, respectively. Users have found that Qatar Airways is 17% 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 $906). 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.
Columbia to Bangalore flights
Kansas City 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 July 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,035Average$1,276FlexibilityNo cancel feeOn-time68%
KLMCheapest$1,174Average$1,608FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$1,177Average$1,512FlexibilityNo 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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