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Cheap flights from St. Louis to Bengaluru from $505

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 6/18. 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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Find the cheapest flights from St. Louis to Bengaluru

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
6:12 pm - 8:45 am
STL
-
BLR
52h 03m
2 stops
Etihad Airways Logo
4:35 am - 11:56 pm
BLR
-
STL
29h 51m
2 stops
$1,046Etihad Airways
Thu, Jul 23 - Tue, Aug 4
Multiple Airlines Logo
7:05 am - 7:55 pm
STL
-
BLR
26h 20m
2 stops
Multiple Airlines Logo
10:15 pm - 10:17 pm
BLR
-
STL
34h 32m
2 stops
$1,055Multiple Airlines
Sun, Apr 5 - Sat, Apr 11
Multiple Airlines Logo
5:51 am - 2:15 pm
STL
-
BLR
45h 54m
2 stops
Multiple Airlines Logo
4:55 pm - 4:41 pm
BLR
-
STL
34h 16m
2 stops
$1,063Multiple Airlines
Tue, Apr 21 - Thu, Apr 23
Multiple Airlines Logo
6:00 am - 3:15 am
STL
-
BLR
34h 45m
2 stops
Multiple Airlines Logo
4:35 am - 8:29 pm
BLR
-
STL
26h 24m
2 stops
$1,064Multiple Airlines
Tue, Jun 9 - Mon, Jul 6
Qatar Airways Logo
12:27 pm - 2:30 am
STL
-
BLR
27h 33m
2 stops
Qatar Airways Logo
4:25 am - 11:56 pm
BLR
-
STL
30h 01m
2 stops
$1,084Qatar Airways
Wed, May 6 - Wed, May 13
Qatar Airways Logo
12:27 pm - 2:30 am
STL
-
BLR
27h 33m
2 stops
Qatar Airways Logo
4:25 am - 7:33 pm
BLR
-
STL
25h 38m
2 stops
$1,089Qatar Airways
Wed, May 6 - Wed, May 13
Qatar Airways Logo
4:30 pm - 2:30 am
STL
-
BLR
23h 30m
2 stops
Qatar Airways Logo
4:00 am - 7:20 pm
BLR
-
STL
25h 50m
2 stops
$1,098Qatar Airways
Mon, May 4 - Wed, Jul 8
Multiple Airlines Logo
9:08 am - 3:15 am
STL
-
BLR
31h 37m
2 stops
Multiple Airlines Logo
4:35 am - 8:29 pm
BLR
-
STL
26h 24m
2 stops
$1,104Multiple Airlines
Wed, Jun 24 - Sun, Jul 12
Qatar Airways Logo
4:30 pm - 2:35 am
STL
-
BLR
23h 35m
2 stops
Qatar Airways Logo
4:25 am - 11:59 pm
BLR
-
STL
30h 04m
2 stops
$1,111Qatar Airways
Mon, May 4 - Mon, Jul 6
Multiple Airlines Logo
8:57 am - 3:15 am
STL
-
BLR
31h 48m
2 stops
Multiple Airlines Logo
10:15 pm - 6:04 pm
BLR
-
STL
30h 19m
2 stops
$1,118Multiple Airlines
Sat, May 9 - Sat, May 16

Etihad Airways flights from St. Louis to Bengaluru

Our best Etihad Airways deals on St. Louis to Bengaluru flight tickets
Etihad Airways
Jul 23
STL6:12 pmLambert-St Louis
52h 03m
2 stops
BLR8:45 amBengaluru Intl
Aug 4
BLR4:35 amBengaluru Intl
29h 51m
2 stops
STL11:56 pmLambert-St Louis
$1,046
Etihad Airways
Jul 23
STL6:12 pmLambert-St Louis
52h 03m
2 stops
BLR8:45 amBengaluru Intl
Aug 4
BLR4:35 amBengaluru Intl
29h 51m
2 stops
STL11:56 pmLambert-St Louis
$1,301

British Airways flights from St. Louis to Bengaluru

Our best British Airways deals on St. Louis to Bengaluru flight tickets
British Airways
May 6
STL9:35 pmLambert-St Louis
20h 45m
1 stop
BLR4:50 amBengaluru Intl
May 13
BLR6:50 amBengaluru Intl
23h 10m
1 stop
STL7:30 pmLambert-St Louis
$1,319
British Airways
May 6
STL9:35 pmLambert-St Louis
20h 45m
1 stop
BLR4:50 amBengaluru Intl
May 13
BLR6:50 amBengaluru Intl
23h 10m
1 stop
STL7:30 pmLambert-St Louis
$1,450
British Airways
May 12
STL9:35 pmLambert-St Louis
20h 45m
1 stop
BLR4:50 amBengaluru Intl
Jun 10
BLR6:50 amBengaluru Intl
23h 10m
1 stop
STL7:30 pmLambert-St Louis
$1,485

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 March 25, 2026.
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

Cheapest round-trip

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Thu 7/23

6:12 pm-8:45 am

2 stops52h 03m

Bengaluru Intl

Tue 8/4

4:35 am-11:56 pm

2 stops29h 51m

$1,046

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 4/5

7:05 am-7:55 pm

2 stops26h 20m

Bengaluru Intl

Sat 4/11

10:15 pm-10:17 pm

2 stops34h 32m

$1,055

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Tue 4/21

5:51 am-2:15 pm

2 stops45h 54m

Bengaluru Intl

Thu 4/23

4:55 pm-4:41 pm

2 stops34h 16m

$1,063

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Tue 6/9

6:00 am-3:15 am

2 stops34h 45m

Bengaluru Intl

Mon 7/6

4:35 am-8:29 pm

2 stops26h 24m

$1,064

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 5/6

12:27 pm-2:30 am

2 stops27h 33m

Bengaluru Intl

Wed 5/13

4:25 am-11:56 pm

2 stops30h 01m

$1,084

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 5/6

12:27 pm-2:30 am

2 stops27h 33m

Bengaluru Intl

Wed 5/13

4:25 am-7:33 pm

2 stops25h 38m

$1,089
Quickest round-trip

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Mon 5/4

4:30 pm-2:30 am

2 stops23h 30m

Bengaluru Intl

Wed 7/8

4:00 am-7:20 pm

2 stops25h 50m

$1,098

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 6/24

9:08 am-3:15 am

2 stops31h 37m

Bengaluru Intl

Sun 7/12

4:35 am-8:29 pm

2 stops26h 24m

$1,104

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Mon 5/4

4:30 pm-2:35 am

2 stops23h 35m

Bengaluru Intl

Mon 7/6

4:25 am-11:59 pm

2 stops30h 04m

$1,111

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sat 5/9

8:57 am-3:15 am

2 stops31h 48m

Bengaluru Intl

Sat 5/16

10:15 pm-6:04 pm

2 stops30h 19m

$1,118

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 January is, on average, the cheapest month to fly to Bengaluru from St. Louis, with most prices found around $1,145. If you are unable to visit Bengaluru during the month of January, then departing from St. Louis during the month August is also very affordable. Most momondo users find prices during this month for around $1,188.

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 $1,386 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 $1,038 on momondo.

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

You could potentially save up to 1% 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 30m

Direct flights

None
The fastest flight from St. Louis to Bengaluru takes 22h 30m
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 30m, 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
LufthansaPriceFrom $1,026Free CancellationRating
6.8
7,869 reviews
Search Lufthansa flights
Qatar AirwaysPriceFrom $1,030Free CancellationRating
7.4
3,732 reviews
Search Qatar Airways flights
DeltaPriceFrom $1,096Free CancellationRating
7.9
8,326 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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