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$1,048+ Cheap flights from St. Louis (STL) to Bengaluru (BLR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BLR
May 5 — May 121
Mon 5/5
Mon 5/12
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 67 days in advance, depart on a Thursday or Tuesday 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 April 30, 2025.

Most accurate provider

Gurufare
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$1,048
(Indian Eagle)

Popular in

July

Cheapest in

February

Average price

$1,341
Provider with most accurate pricing for Lambert-St Louis-Bengaluru Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Bengaluru Intl flights.
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From Lambert-St Louis to Bengaluru Intl
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Highest demand for flights based on searches. 7% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Indian Eagle deal was found by Cheapflights users on 4/29. 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.
Fri 5/25:35 amSTL - BLR
2 stops34h 30mQatar Airways
Mon 5/194:00 amBLR - STL
2 stops52h 49mQatar Airways
Deal found 4/29$1,048
This Travelocity deal was found by Cheapflights users on 4/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:00 amSTL - BLR
2 stops34h 00mMultiple Airlines
Tue 11/183:50 amBLR - STL
2 stops31h 36mMultiple Airlines
Deal found 4/29$1,057
This Indian Eagle deal was found by Cheapflights users on 4/28. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/21:00 pmSTL - BLR
2 stops25h 00mLufthansa
Thu 5/153:00 amBLR - STL
1 stop21h 00mLufthansa
Deal found 4/28$1,176
This Indian Eagle deal was found by Cheapflights users on 4/29. 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.
Fri 5/23:30 pmSTL - BLR
Nonstop23h 20mUndisclosed Carrier
Sun 5/182:10 amBLR - STL
Nonstop27h 55mUndisclosed Carrier
Deal found 4/29$1,185
This Flightnetwork deal was found by Cheapflights users on 4/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/22:30 pmSTL - BLR
2 stops23h 30mAir Canada
Sun 5/182:10 amBLR - STL
2 stops52h 18mAir Canada
Deal found 4/29$1,191
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/97:05 amSTL - BLR
2 stops30h 15mDelta
Mon 5/195:40 amBLR - STL
2 stops28h 28mDelta
Deal found 4/29$1,496
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/88:01 pmSTL - BLR
2 stops22h 09mBritish Airways
Wed 11/198:30 amBLR - STL
3 stops48h 41mBritish Airways
Deal found 4/29$1,524
This Ovago deal was found by Cheapflights users on 4/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/23:43 pmSTL - BLR
2 stops24h 32mEmirates
Fri 5/169:00 pmBLR - STL
2 stops35h 18mEmirates
Deal found 4/28$1,678

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 April 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 5/2

5:35 am-2:35 am

2 stops34h 30m

Bengaluru Intl

Mon 5/19

4:00 am-10:19 pm

2 stops52h 49m

$1,048

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 5/2

1:00 pm-12:30 am

2 stops25h 00m

Bengaluru Intl

Thu 5/15

3:00 am-1:30 pm

1 stop21h 00m

$1,176

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 5/2

3:30 pm-1:20 am

Nonstop23h 20m

Bengaluru Intl

Sun 5/18

2:10 am-7:35 pm

Nonstop27h 55m

$1,185

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 5/2

2:30 pm-12:30 am

2 stops23h 30m

Bengaluru Intl

Sun 5/18

2:10 am-7:58 pm

2 stops52h 18m

$1,191

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 5/2

3:30 pm-1:20 am

1 stop23h 20m

Bengaluru Intl

Sun 5/18

3:00 am-7:58 pm

2 stops27h 28m

$1,234

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 5/9

7:05 am-11:50 pm

2 stops30h 15m

Bengaluru Intl

Mon 5/19

5:40 am-11:38 pm

2 stops28h 28m

$1,496

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 5/2

3:43 pm-2:45 am

2 stops24h 32m

Bengaluru Intl

Fri 5/16

9:00 pm-9:48 pm

2 stops35h 18m

$1,678

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 5/9

7:30 pm-4:40 am

2 stops22h 40m

Bengaluru Intl

Sun 5/18

3:30 am-6:33 pm

3 stops49h 33m

$1,960

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice 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 Gurufare to be most consistent on Cheapflights vs. Gurufare Users can find the same prices on St. Louis-Bengaluru flight deals on Cheapflights vs. Gurufare >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 Gurufare the most. Gurufare 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 April 25, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis to Bengaluru, you should look to book at least 67 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 $929). Flying from St. Louis to Bengaluru in June is currently the most expensive (average of $1,517). 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 April 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 2% on your trip compared to booking a flight at noon.

Rainfall in Bangalore by month

Plan your trip to Bangalore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bengaluru ranges from 0.0 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. January is typically the driest time to visit Bengaluru when rainfall is around 0.0 in.

Temperature in Bangalore by month

Plan your trip to Bangalore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bengaluru, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 April 30, 2025.
See what other customers who have flown with Delta, Qatar Airways and Air Canada from St. Louis to Bengaluru have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Qatar Airways
7.4
Good
3,563 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,244 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.7
Okay
7,044 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,835 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $1,048, 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 Undisclosed Carrier and Air Canada - these airlines can fly you to your destination from $1,185 and $1,191, respectively. Users have found that Qatar Airways is 22% 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 $929). Flying from St. Louis to Bengaluru in June is currently the most expensive (average of $1,517). 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

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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 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,035Average$1,183FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,184Average$1,492FlexibilityNo cancel feeOn-time76%
DeltaCheapest$1,229Average$1,487FlexibilityNo cancel feeOn-timeN/A

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