Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Bengaluru from $1,017

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Bengaluru departing on 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Bengaluru

Cheap round-trip flights

Qatar Airways Logo
6:00 am - 2:30 amSTL-BLR
34h 00m2 stops
Qatar Airways Logo
4:05 am - 10:58 pmBLR-STL
30h 23m2 stops
$1,017Qatar Airways
Find Deal
Sun, Oct 19 - Mon, Nov 17
Qatar Airways Logo
9:35 am - 2:20 amSTL-BLR
30h 15m2 stops
Qatar Airways Logo
3:50 am - 7:30 pmBLR-STL
27h 10m2 stops
$1,032Qatar Airways
Find Deal
Wed, Oct 29 - Tue, Nov 4
Qatar Airways Logo
11:58 am - 2:20 amSTL-BLR
26h 52m2 stops
Qatar Airways Logo
3:50 am - 10:24 pmBLR-STL
30h 04m2 stops
$1,050Qatar Airways
Find Deal
Sun, Jan 18 - Sat, Feb 21
Qatar Airways Logo
8:49 am - 2:30 amSTL-BLR
31h 11m2 stops
Qatar Airways Logo
3:50 am - 10:34 pmBLR-STL
30h 14m2 stops
$1,055Qatar Airways
Find Deal
Sat, Oct 18 - Tue, Nov 18
Lufthansa Logo
12:25 pm - 12:30 amSTL-BLR
25h 35m2 stops
Lufthansa Logo
3:30 am - 1:55 pmBLR-STL
21h 55m1 stop
$1,080Lufthansa
Find Deal
Mon, Oct 13 - Sat, Nov 22
Lufthansa Logo
12:25 pm - 12:30 amSTL-BLR
25h 35m2 stops
Lufthansa Logo
2:50 am - 5:39 pmBLR-STL
26h 19m2 stops
$1,095Lufthansa
Find Deal
Mon, Oct 13 - Sun, Nov 23
Air Canada Logo
1:30 pm - 12:30 amSTL-BLR
24h 30m2 stops
Air Canada Logo
2:50 am - 3:29 pmBLR-STL
48h 09m2 stops
$1,131Air Canada
Find Deal
Mon, Oct 13 - Sat, Nov 22
Multiple Airlines Logo
4:05 pm - 1:50 amSTL-BLR
22h 15m2 stops
Multiple Airlines Logo
6:45 pm - 3:29 pmBLR-STL
32h 14m2 stops
$1,161Multiple Airlines
Find Deal
Sun, Jan 18 - Sun, Feb 22
Multiple Airlines Logo
4:05 pm - 12:30 amSTL-BLR
21h 55m2 stops
Multiple Airlines Logo
3:30 am - 1:55 pmBLR-STL
21h 55m1 stop
$1,202Multiple Airlines
Find Deal
Fri, Oct 17 - Tue, Nov 18
British Airways Logo
8:42 am - 4:40 amSTL-BLR
33h 28m2 stops
British Airways Logo
7:15 am - 11:56 pmBLR-STL
28h 11m2 stops
$1,250British Airways
Find Deal
Mon, Oct 13 - Wed, Nov 26

Qatar Airways flights from St. Louis to Bengaluru

Our best Qatar Airways deals on St. Louis to Bengaluru flight tickets
Qatar Airways
Oct 19
STL6:00 amLambert-St Louis
34h 00m
2 stops
BLR2:30 amBengaluru Intl
Nov 17
BLR4:05 amBengaluru Intl
30h 23m
2 stops
STL10:58 pmLambert-St Louis
$1,017
Find similar
Qatar Airways
Oct 29
STL9:35 amLambert-St Louis
30h 15m
2 stops
BLR2:20 amBengaluru Intl
Nov 4
BLR3:50 amBengaluru Intl
27h 10m
2 stops
STL7:30 pmLambert-St Louis
$1,032
Find similar
Qatar Airways
Jan 18
STL11:58 amLambert-St Louis
26h 52m
2 stops
BLR2:20 amBengaluru Intl
Feb 21
BLR3:50 amBengaluru Intl
30h 04m
2 stops
STL10:24 pmLambert-St Louis
$1,050
Find similar

Lufthansa flights from St. Louis to Bengaluru

Our best Lufthansa deals on St. Louis to Bengaluru flight tickets
Lufthansa
Oct 13
STL12:25 pmLambert-St Louis
25h 35m
2 stops
BLR12:30 amBengaluru Intl
Nov 22
BLR3:30 amBengaluru Intl
21h 55m
1 stop
STL1:55 pmLambert-St Louis
$1,080
Find similar
Lufthansa
Oct 13
STL12:25 pmLambert-St Louis
25h 35m
2 stops
BLR12:30 amBengaluru Intl
Nov 23
BLR2:50 amBengaluru Intl
26h 19m
2 stops
STL5:39 pmLambert-St Louis
$1,095
Find similar
Lufthansa
Oct 13
STL12:25 pmLambert-St Louis
25h 35m
2 stops
BLR12:30 amBengaluru Intl
Nov 20
BLR3:30 amBengaluru Intl
21h 55m
1 stop
STL1:55 pmLambert-St Louis
$1,107
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 September 16, 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

Sun 10/19

6:00 am-2:30 am

2 stops34h 00m

Bengaluru Intl

Mon 11/17

4:05 am-10:58 pm

2 stops30h 23m

$1,017

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Wed 10/29

9:35 am-2:20 am

2 stops30h 15m

Bengaluru Intl

Tue 11/4

3:50 am-7:30 pm

2 stops27h 10m

$1,032

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 1/18

11:58 am-2:20 am

2 stops26h 52m

Bengaluru Intl

Sat 2/21

3:50 am-10:24 pm

2 stops30h 04m

$1,050

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sat 10/18

8:49 am-2:30 am

2 stops31h 11m

Bengaluru Intl

Tue 11/18

3:50 am-10:34 pm

2 stops30h 14m

$1,055

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Mon 10/13

12:25 pm-12:30 am

2 stops25h 35m

Bengaluru Intl

Sat 11/22

3:30 am-1:55 pm

1 stop21h 55m

$1,080

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Mon 10/13

12:25 pm-12:30 am

2 stops25h 35m

Bengaluru Intl

Sun 11/23

2:50 am-5:39 pm

2 stops26h 19m

$1,095

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Mon 10/13

1:30 pm-12:30 am

2 stops24h 30m

Bengaluru Intl

Sat 11/22

2:50 am-3:29 pm

2 stops48h 09m

$1,131

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Sun 1/18

4:05 pm-1:50 am

2 stops22h 15m

Bengaluru Intl

Sun 2/22

6:45 pm-3:29 pm

2 stops32h 14m

$1,161

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Fri 10/17

4:05 pm-12:30 am

2 stops21h 55m

Bengaluru Intl

Tue 11/18

3:30 am-1:55 pm

1 stop21h 55m

$1,202

St. LouisBengaluru

STL - BLR

STLBLR

Lambert-St Louis

Mon 10/13

8:42 am-4:40 am

2 stops33h 28m

Bengaluru Intl

Wed 11/26

7:15 am-11:56 pm

2 stops28h 11m

$1,250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 $1,166. 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 $1,367 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 $1,300 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 39% 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 55m, 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 $1,030Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
KLMPriceFrom $1,174Free CancellationRating
7.8
1,386 reviews
Search KLM flights
LufthansaPriceFrom $1,188Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
DeltaPriceFrom $1,229Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Japan AirlinesPriceFrom $1,251Free CancellationRating
8.3
1,559 reviews
Search Japan Airlines 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.

An easier way to manage your Bengaluru trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 10/16
Thu 10/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to India