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Cheap flights from St. Louis to Bengaluru from $417

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 2/28. 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.
Qatar Airways Logo
3:20 pm - 2:15 am
STL
-
BLR
23h 25m2 stops
Qatar Airways Logo
3:15 am - 10:09 pm
BLR
-
STL
30h 24m2 stops
$957Qatar Airways
Wed, Jan 28 - Tue, Feb 17
Qatar Airways Logo
2:54 pm - 2:20 am
STL
-
BLR
23h 56m2 stops
Qatar Airways Logo
3:15 am - 6:14 pm
BLR
-
STL
26h 29m2 stops
$964Qatar Airways
Wed, Jan 14 - Tue, Jan 27
Qatar Airways Logo
3:20 pm - 2:15 am
STL
-
BLR
23h 25m2 stops
Qatar Airways Logo
3:15 am - 10:09 pm
BLR
-
STL
30h 24m2 stops
$972Qatar Airways
Tue, Jan 27 - Mon, Feb 16
Qatar Airways Logo
2:54 pm - 2:15 am
STL
-
BLR
23h 51m2 stops
Qatar Airways Logo
3:15 am - 1:54 pm
BLR
-
STL
46h 09m2 stops
$980Qatar Airways
Wed, Jan 14 - Tue, Jan 20
Qatar Airways Logo
2:54 pm - 2:15 am
STL
-
BLR
23h 51m2 stops
Qatar Airways Logo
3:50 am - 10:09 pm
BLR
-
STL
29h 49m2 stops
$991Qatar Airways
Thu, Jan 29 - Mon, Feb 16
Qatar Airways Logo
2:54 pm - 2:15 am
STL
-
BLR
23h 51m2 stops
Qatar Airways Logo
3:50 am - 10:05 pm
BLR
-
STL
29h 45m2 stops
$1,011Qatar Airways
Fri, Jan 30 - Wed, Feb 18
Qatar Airways Logo
2:54 pm - 2:15 am
STL
-
BLR
23h 51m2 stops
Qatar Airways Logo
3:50 am - 7:25 pm
BLR
-
STL
27h 05m2 stops
$1,025Qatar Airways
Mon, Jan 26 - Mon, Feb 16
Delta Logo
1:05 pm - 12:15 am
STL
-
BLR
23h 40m2 stops
Delta Logo
2:30 am - 8:43 pm
BLR
-
STL
29h 43m2 stops
$1,032Delta
Sun, Jan 25 - Thu, Feb 19
Qatar Airways Logo
6:00 am - 2:20 am
STL
-
BLR
32h 50m2 stops
Qatar Airways Logo
3:15 am - 6:13 pm
BLR
-
STL
26h 28m2 stops
$1,036Qatar Airways
Sat, Jan 31 - Fri, Feb 6
Qatar Airways Logo
9:32 am - 2:20 am
STL
-
BLR
29h 18m2 stops
Qatar Airways Logo
3:50 am - 11:55 pm
BLR
-
STL
30h 35m2 stops
$1,048Qatar Airways
Sat, Mar 7 - Fri, Mar 20

Qatar Airways flights from St. Louis to Bengaluru

Our best Qatar Airways deals on St. Louis to Bengaluru flight tickets
Qatar Airways
Jan 28
STL3:20 pmLambert-St Louis
23h 25m
2 stops
BLR2:15 amBengaluru Intl
Feb 17
BLR3:15 amBengaluru Intl
30h 24m
2 stops
STL10:09 pmLambert-St Louis
$957
Find similar
Qatar Airways
Jan 14
STL2:54 pmLambert-St Louis
23h 56m
2 stops
BLR2:20 amBengaluru Intl
Jan 27
BLR3:15 amBengaluru Intl
26h 29m
2 stops
STL6:14 pmLambert-St Louis
$964
Find similar
Qatar Airways
Jan 27
STL3:20 pmLambert-St Louis
23h 25m
2 stops
BLR2:15 amBengaluru Intl
Feb 16
BLR3:15 amBengaluru Intl
30h 24m
2 stops
STL10:09 pmLambert-St Louis
$972
Find similar

Delta flights from St. Louis to Bengaluru

Our best Delta deals on St. Louis to Bengaluru flight tickets
Delta
Jan 25
STL1:05 pmLambert-St Louis
23h 40m
2 stops
BLR12:15 amBengaluru Intl
Feb 19
BLR2:30 amBengaluru Intl
29h 43m
2 stops
STL8:43 pmLambert-St Louis
$1,032
Find similar
Delta
Jan 2
STL6:05 amLambert-St Louis
31h 05m
2 stops
BLR12:40 amBengaluru Intl
Jan 10
BLR2:30 amBengaluru Intl
32h 25m
2 stops
STL11:25 pmLambert-St Louis
$6,185
Find similar

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 December 18, 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

Wed 1/28

3:20 pm-2:15 am

2 stops23h 25m

Bengaluru Intl

Tue 2/17

3:15 am-10:09 pm

2 stops30h 24m

$957

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 1/14

2:54 pm-2:20 am

2 stops23h 56m

Bengaluru Intl

Tue 1/27

3:15 am-6:14 pm

2 stops26h 29m

$964

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Tue 1/27

3:20 pm-2:15 am

2 stops23h 25m

Bengaluru Intl

Mon 2/16

3:15 am-10:09 pm

2 stops30h 24m

$972

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 1/14

2:54 pm-2:15 am

2 stops23h 51m

Bengaluru Intl

Tue 1/20

3:15 am-1:54 pm

2 stops46h 09m

$980

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Thu 1/29

2:54 pm-2:15 am

2 stops23h 51m

Bengaluru Intl

Mon 2/16

3:50 am-10:09 pm

2 stops29h 49m

$991

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 1/30

2:54 pm-2:15 am

2 stops23h 51m

Bengaluru Intl

Wed 2/18

3:50 am-10:05 pm

2 stops29h 45m

$1,011

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Mon 1/26

2:54 pm-2:15 am

2 stops23h 51m

Bengaluru Intl

Mon 2/16

3:50 am-7:25 pm

2 stops27h 05m

$1,025

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 1/25

1:05 pm-12:15 am

2 stops23h 40m

Bengaluru Intl

Thu 2/19

2:30 am-8:43 pm

2 stops29h 43m

$1,032

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sat 1/31

6:00 am-2:20 am

2 stops32h 50m

Bengaluru Intl

Fri 2/6

3:15 am-6:13 pm

2 stops26h 28m

$1,036

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sat 3/7

9:32 am-2:20 am

2 stops29h 18m

Bengaluru Intl

Fri 3/20

3:50 am-11:55 pm

2 stops30h 35m

$1,048

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 typical price of a round-trip flight between St. Louis and Bengaluru?

What is the cheapest month to fly to Bengaluru?

The month of March is, on average, the cheapest month to fly to Bengaluru from St. Louis, with most prices found around $1,169. If you are unable to visit Bengaluru during the month of March, then departing from St. Louis during the month February 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 $1,359 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 $1,135 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 3% 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

Fastest flight time

22h 15m

Direct flights

None
The fastest flight from St. Louis to Bengaluru takes 22h 15m
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 22h 15m, 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
3,685 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,184Free CancellationRating
6.8
7,634 reviews
Search Lufthansa 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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