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Cheap flights from St. Louis to Bengaluru from $506

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Bengaluru departing on 11/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:14 pm - 2:00 pmSTL-BLR
35h 16m2 stops
Multiple Airlines Logo
10:00 am - 10:33 pmBLR-STL
72h 03m3 stops
$957Multiple Airlines
Find Deal
Tue, Nov 25 - Sun, Dec 7
Qatar Airways Logo
7:00 am - 2:15 amSTL-BLR
31h 45m2 stops
Qatar Airways Logo
3:15 am - 11:38 pmBLR-STL
31h 53m2 stops
$1,020Qatar Airways
Find Deal
Mon, Nov 24 - Sun, Dec 7
Delta Logo
6:25 am - 3:10 amSTL-BLR
33h 15m2 stops
Delta Logo
5:00 am - 8:39 pmBLR-STL
27h 09m2 stops
$1,028Delta
Find Deal
Thu, Jan 29 - Wed, Feb 25
Delta Logo
3:31 pm - 12:40 amSTL-BLR
21h 39m2 stops
Delta Logo
5:00 am - 4:01 pmBLR-STL
46h 31m2 stops
$1,034Delta
Find Deal
Fri, Jan 30 - Tue, Mar 3
Multiple Airlines Logo
6:25 am - 8:45 amSTL-BLR
38h 50m2 stops
Multiple Airlines Logo
10:00 am - 11:38 pmBLR-STL
49h 08m2 stops
$1,035Multiple Airlines
Find Deal
Sun, Nov 23 - Sun, Dec 7
Qatar Airways Logo
7:00 am - 2:15 amSTL-BLR
31h 45m2 stops
Qatar Airways Logo
3:50 am - 11:59 pmBLR-STL
31h 39m2 stops
$1,045Qatar Airways
Find Deal
Thu, Nov 27 - Mon, Dec 8
Multiple Airlines Logo
6:25 am - 2:00 pmSTL-BLR
44h 05m2 stops
Multiple Airlines Logo
10:00 am - 4:19 pmBLR-STL
41h 49m2 stops
$1,046Multiple Airlines
Find Deal
Sun, Nov 23 - Sun, Dec 7
Lufthansa Logo
1:15 pm - 1:05 amSTL-BLR
24h 20m2 stops
Lufthansa Logo
3:30 am - 1:55 pmBLR-STL
21h 55m1 stop
$1,087Lufthansa
Find Deal
Mon, Feb 2 - Sat, Feb 28
Lufthansa Logo
1:15 pm - 1:05 amSTL-BLR
24h 20m2 stops
Lufthansa Logo
3:30 am - 1:55 pmBLR-STL
21h 55m1 stop
$1,114Lufthansa
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Sat, Jan 31 - Sat, Feb 28
Cathay Pacific Logo
7:00 am - 12:20 amSTL-BLR
53h 50m2 stops
Cathay Pacific Logo
1:25 am - 11:57 pmBLR-STL
34h 02m2 stops
$1,244Cathay Pacific
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Sun, Nov 23 - Sat, Dec 6

Delta flights from St. Louis to Bengaluru

Our best Delta deals on St. Louis to Bengaluru flight tickets
Delta
Jan 29
STL6:25 amLambert-St Louis
33h 15m
2 stops
BLR3:10 amBengaluru Intl
Feb 25
BLR5:00 amBengaluru Intl
27h 09m
2 stops
STL8:39 pmLambert-St Louis
$1,028
Find similar
Delta
Jan 30
STL3:31 pmLambert-St Louis
21h 39m
2 stops
BLR12:40 amBengaluru Intl
Mar 3
BLR5:00 amBengaluru Intl
46h 31m
2 stops
STL4:01 pmLambert-St Louis
$1,034
Find similar
Delta
Nov 25
STL9:04 amLambert-St Louis
28h 06m
2 stops
BLR12:40 amBengaluru Intl
Dec 7
BLR5:00 amBengaluru Intl
27h 17m
2 stops
STL8:47 pmLambert-St Louis
$1,233
Find similar

Lufthansa flights from St. Louis to Bengaluru

Our best Lufthansa deals on St. Louis to Bengaluru flight tickets
Lufthansa
Feb 2
STL1:15 pmLambert-St Louis
24h 20m
2 stops
BLR1:05 amBengaluru Intl
Feb 28
BLR3:30 amBengaluru Intl
21h 55m
1 stop
STL1:55 pmLambert-St Louis
$1,087
Find similar
Lufthansa
Jan 31
STL1:15 pmLambert-St Louis
24h 20m
2 stops
BLR1:05 amBengaluru Intl
Feb 28
BLR3:30 amBengaluru Intl
21h 55m
1 stop
STL1:55 pmLambert-St Louis
$1,114
Find similar
Lufthansa
Jan 30
STL3:50 pmLambert-St Louis
22h 30m
1 stop
BLR1:50 amBengaluru Intl
Feb 28
BLR3:30 amBengaluru Intl
21h 55m
1 stop
STL1:55 pmLambert-St Louis
$1,136
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momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Bengaluru 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from St. Louis to Bengaluru that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Tue 11/25

3:14 pm-2:00 pm

2 stops35h 16m

Bengaluru Intl

Sun 12/7

10:00 am-10:33 pm

3 stops72h 03m

$957

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Mon 11/24

7:00 am-2:15 am

2 stops31h 45m

Bengaluru Intl

Sun 12/7

3:15 am-11:38 pm

2 stops31h 53m

$1,020

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Thu 1/29

6:25 am-3:10 am

2 stops33h 15m

Bengaluru Intl

Wed 2/25

5:00 am-8:39 pm

2 stops27h 09m

$1,028

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 1/30

3:31 pm-12:40 am

2 stops21h 39m

Bengaluru Intl

Tue 3/3

5:00 am-4:01 pm

2 stops46h 31m

$1,034

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 11/23

6:25 am-8:45 am

2 stops38h 50m

Bengaluru Intl

Sun 12/7

10:00 am-11:38 pm

2 stops49h 08m

$1,035

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Thu 11/27

7:00 am-2:15 am

2 stops31h 45m

Bengaluru Intl

Mon 12/8

3:50 am-11:59 pm

2 stops31h 39m

$1,045

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 11/23

6:25 am-2:00 pm

2 stops44h 05m

Bengaluru Intl

Sun 12/7

10:00 am-4:19 pm

2 stops41h 49m

$1,046

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Mon 2/2

1:15 pm-1:05 am

2 stops24h 20m

Bengaluru Intl

Sat 2/28

3:30 am-1:55 pm

1 stop21h 55m

$1,087

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sat 1/31

1:15 pm-1:05 am

2 stops24h 20m

Bengaluru Intl

Sat 2/28

3:30 am-1:55 pm

1 stop21h 55m

$1,114

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 11/23

7:00 am-12:20 am

2 stops53h 50m

Bengaluru Intl

Sat 12/6

1:25 am-11:57 pm

2 stops34h 02m

$1,244

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bengaluru from

How to get the cheapest flight ticket from St. Louis to Bengaluru

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bengaluru?

The month of February is, on average, the cheapest month to fly to Bengaluru from St. Louis, with most prices found around $1,134. If you are unable to visit Bengaluru during the month of February, then departing from St. Louis during the month March is also very affordable. Most momondo users find prices during this month for around $1,177.

What is the cheapest day to depart on your flight to Bengaluru?

Our data shows that Thursday is the least expensive day to fly to Bengaluru. Tickets to fly out on this day can be as low as $1,406. Flights from St. Louis to Bengaluru on a Friday will generally be more expensive and average around $1,506. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Bengaluru?

Flying to Bengaluru from St. Louis in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,487 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Bengaluru is in the afternoon when prices are around $1,490.

What is the cheapest Lambert-St Louis to Bengaluru Intl flight route?

Fly from Lambert-St Louis to Bengaluru Intl for the best Lambert-St Louis - Bengaluru Intl flight prices

How far in advance should I book a flight to Bengaluru?

You are more likely to see cheaper flights to Bengaluru from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Bengaluru for around $1,373 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bengaluru from St. Louis for as low as $1,187 on momondo.

What cabin class options are available on Lambert-St Louis to Bengaluru Intl flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Bengaluru Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Bengaluru flights?

You could potentially save up to 23% on your flight if you consider stops on a St. Louis to Bengaluru flight.

When to book flights from St. Louis to Bengaluru

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Bengaluru according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Bengaluru (STL to BLR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Bengaluru

Direct flights

None
There are no direct flights from St. Louis to Bengaluru. There are no popular flight routes from St. Louis to Bengaluru.
Search flight deals

  • How far is Lambert-St Louis to Bengaluru Intl by plane?

    The straight-line distance from Lambert-St Louis to Bengaluru Intl is 8779.3 mi. Flights usually cover this in 21h 39m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Bengaluru Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Bengaluru Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Bengaluru Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Bengaluru Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Bengaluru Intl Airport.

  • What documentation or ID do you need to fly to Bengaluru Intl Airport?

    The travel and health documents required for your trip to Bengaluru Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bengaluru Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Bengaluru?

Best airlines flying from St. Louis to Bengaluru

Compare and see reviews for airlines that fly from St. Louis to Bengaluru with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $1,025Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights
KLMPriceFrom $1,174Free CancellationRating
7.7
1,406 reviews
Search KLM flights
LufthansaPriceFrom $1,186Free CancellationRating
6.8
7,541 reviews
Search Lufthansa flights
DeltaPriceFrom $1,229Free CancellationRating
7.9
7,998 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Bengaluru?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bengaluru from St. Louis.

Can I find flights from St. Louis to Bengaluru with flexible booking policies on momondo?

All flight searches from St. Louis to Bengaluru on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Bengaluru?

Once all potential St. Louis to Bengaluru flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Bengaluru right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Bengaluru flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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