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$475+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BLR
Νοε 18 — Νοε 251
Τρι 11/18
Τρι 11/25
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

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 Οκτώβριος 19, 2025.

This FlightHub deal was found by Cheapflights users on 10/18. 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.
Κυρ 11/1610:44 amSTL - BLR
2 stops28h 01mQatar Airways
Πεμ 11/273:15 amBLR - STL
2 stops31h 57mQatar Airways
Deal found 10/18$1,047
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Κυρ 12/281:22 pmSTL - BLR
2 stops23h 23mDelta
Τετ 1/72:00 amBLR - STL
2 stops42h 27mDelta
Deal found 10/18$1,287
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 12/273:43 pmSTL - BLR
2 stops47h 57mDelta
Τετ 1/72:00 amBLR - STL
2 stops42h 27mDelta
Deal found 10/18$1,293
This Gurufare deal was found by Cheapflights users on 10/18. 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.
Κυρ 11/163:50 pmSTL - BLR
1 stop22h 30mLufthansa
Πεμ 11/273:30 amBLR - STL
1 stop21h 55mLufthansa
Deal found 10/18$1,356
This FlightHub deal was found by Cheapflights users on 10/18. 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.
Τετ 11/266:00 amSTL - BLR
2 stops32h 45mQatar Airways
Τρι 12/303:15 amBLR - STL
2 stops51h 37mQatar Airways
Deal found 10/18$1,374
This FlightHub deal was found by Cheapflights users on 10/18. 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.
Κυρ 11/306:13 pmSTL - BLR
2 stops44h 37mQatar Airways
Τρι 12/303:15 amBLR - STL
2 stops51h 37mQatar Airways
Deal found 10/18$1,377
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 12/265:59 pmSTL - BLR
2 stops43h 11mDelta
Τετ 1/72:00 amBLR - STL
2 stops42h 27mDelta
Deal found 10/18$1,384
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Κυρ 11/161:55 pmSTL - BLR
2 stops25h 45mDelta
Παρ 11/285:00 amBLR - STL
2 stops28h 28mDelta
Deal found 10/18$1,385
This KAYAK deal was found by Cheapflights users on 10/18. 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.
Τρι 12/306:35 pmSTL - BLR
2 stops43h 00mLufthansa
Κυρ 1/112:50 amBLR - STL
2 stops32h 39mLufthansa
Deal found 10/18$1,400
This KAYAK deal was found by Cheapflights users on 10/18. 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.
Δευ 12/296:35 pmSTL - BLR
2 stops43h 00mLufthansa
Κυρ 1/112:50 amBLR - STL
2 stops32h 39mLufthansa
Deal found 10/18$1,404
This KAYAK deal was found by Cheapflights users on 10/18. 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.
Τετ 12/313:50 pmSTL - BLR
1 stop22h 30mLufthansa
Κυρ 1/112:50 amBLR - STL
2 stops32h 39mLufthansa
Deal found 10/18$1,417

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 Οκτώβριος 19, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,029
(Delta)

One-way from

$475
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,378
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. 5% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 Οκτώβριος 19, 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

Κυρ 12/28

6:00 am-12:15 am

2 stops30h 45m

Bengaluru Intl

Τετ 1/7

2:00 am-8:57 am

2 stops42h 27m

$1,287

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Τρι 12/30

7:00 am-12:40 am

2 stops30h 10m

Bengaluru Intl

Τετ 1/7

2:00 am-8:57 am

2 stops42h 27m

$1,287

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Δευ 12/29

6:00 am-12:15 am

2 stops30h 45m

Bengaluru Intl

Τετ 1/7

2:00 am-8:57 am

2 stops42h 27m

$1,287

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Σαβ 12/27

6:25 pm-12:40 am

2 stops42h 45m

Bengaluru Intl

Τετ 1/7

2:00 am-8:57 am

2 stops42h 27m

$1,293

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Παρ 12/26

5:59 pm-12:40 am

2 stops43h 11m

Bengaluru Intl

Τετ 1/7

2:00 am-8:57 am

2 stops42h 27m

$1,384

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Πεμ 12/25

6:00 am-12:40 am

2 stops55h 10m

Bengaluru Intl

Τετ 1/7

2:00 am-8:57 am

2 stops42h 27m

$1,384

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Κυρ 11/16

1:55 pm-3:10 am

2 stops25h 45m

Bengaluru Intl

Παρ 11/28

5:00 am-9:58 pm

2 stops28h 28m

$1,385

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Τρι 12/30

6:35 pm-1:05 am

2 stops43h 00m

Bengaluru Intl

Κυρ 1/11

2:50 am-11:59 pm

2 stops32h 39m

$1,400

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Πεμ 11/6

11:07 am-8:45 am

2 stops34h 08m

$475

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Τετ 11/5

7:45 pm-3:00 am

3 stops43h 45m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

Showing 1-10 of 12 results
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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 October 17, 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, February is the cheapest month in which you can book a flight from St. Louis to Bengaluru (average of $1,018). Flying from St. Louis to Bengaluru in July is currently the most expensive (average of $1,360). 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 Οκτώβριος 19, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Bengaluru in the evening. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the afternoon.

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 Οκτώβριος 19, 2025.
See what other customers who have flown with Delta, KLM, 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.
Delta
7.9
Good
7,978 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,978 reviews
Delta
7.9
Good
7,978 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,404 reviews
Delta
7.9
Good
7,978 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Qatar Airways
7.4
Good
3,651 reviews
Delta
7.9
Good
7,978 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,503 reviews
Delta
7.9
Good
7,978 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 45m. Fly via Delta 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 $1,025, 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 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, February is the cheapest month in which you can book a flight from St. Louis to Bengaluru (average of $1,018). Flying from St. Louis to Bengaluru in July is currently the most expensive (average of $1,360). 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 Οκτώβριος 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,025Average$1,269FlexibilityNo cancel feeOn-time68%
KLMCheapest$1,174Average$1,615FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$1,186Average$1,502FlexibilityNo cancel feeOn-time76%
DeltaCheapest$1,229Average$1,420FlexibilityNo cancel feeOn-timeN/A

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