$556 Cheap Flights from St. Louis (STL) to Bengaluru (BLR)

View $556 flight on Mon, Apr 28, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Kempegowda Intl. Airport (BLR)

Find available prices by choosing your travel dates.

Cheap Flights from St. Louis to Bengaluru (STL-BLR)

Prices were available within the past 7 days and start at $556 for one-way flights and $1,011 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Sep 7 - Tue, Sep 16
STL
St. Louis
BLR
Bengaluru
$1,011 Roundtrip, found 6 days ago
$1,011
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Sep 7 from St. Louis to Bengaluru, returning Tue, Sep 16, priced at $1,011 found 6 days ago
Alaska Airlines
Sun, Sep 7 - Tue, Sep 16
STL
St. Louis
BLR
Bengaluru
$1,022 Roundtrip, found 6 days ago
$1,022
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Sep 7 from St. Louis to Bengaluru, returning Tue, Sep 16, priced at $1,022 found 6 days ago
Alaska Airlines
Wed, Nov 12 - Sun, Dec 14
STL
St. Louis
BLR
Bengaluru
$1,046 Roundtrip, found 2 days ago
$1,046
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Nov 12 from St. Louis to Bengaluru, returning Sun, Dec 14, priced at $1,046 found 2 days ago
Alaska Airlines
Wed, Nov 12 - Sun, Dec 14
STL
St. Louis
BLR
Bengaluru
$1,054 Roundtrip, found 2 days ago
$1,054
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Nov 12 from St. Louis to Bengaluru, returning Sun, Dec 14, priced at $1,054 found 2 days ago
Alaska Airlines
Wed, Aug 20 - Fri, Sep 12
STL
St. Louis
BLR
Bengaluru
$1,055 Roundtrip, found 5 days ago
$1,055
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Aug 20 from St. Louis to Bengaluru, returning Fri, Sep 12, priced at $1,055 found 5 days ago
Alaska Airlines
Tue, Jan 13 - Mon, Feb 9
STL
St. Louis
BLR
Bengaluru
$1,055 Roundtrip, found 2 days ago
$1,055
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Jan 13 from St. Louis to Bengaluru, returning Mon, Feb 9, priced at $1,055 found 2 days ago
Qatar Airways
Wed, Nov 12 - Sun, Dec 14
STL
St. Louis
BLR
Bengaluru
$1,057 Roundtrip, found 2 days ago
$1,057
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Wed, Nov 12 from St. Louis to Bengaluru, returning Sun, Dec 14, priced at $1,057 found 2 days ago
American Airlines
Mon, Apr 28 - Wed, May 28
STL
St. Louis
BLR
Bengaluru
$1,066 Roundtrip, found 2 hours ago
$1,066
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Mon, Apr 28 from St. Louis to Bengaluru, returning Wed, May 28, priced at $1,066 found 2 hours ago
Air Canada
Mon, May 12 - Fri, May 23
STL
St. Louis
BLR
Bengaluru
$1,210 Roundtrip, found 2 days ago
$1,210
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, May 12 from St. Louis to Bengaluru, returning Fri, May 23, priced at $1,210 found 2 days ago
Virgin Atlantic
Tue, Jan 13 - Mon, Feb 9
STL
St. Louis
BLR
Bengaluru
$1,228 Roundtrip, found 2 days ago
$1,228
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Tue, Jan 13 from St. Louis to Bengaluru, returning Mon, Feb 9, priced at $1,228 found 2 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Kempegowda Intl. Airport (BLR) cost?
Discover the latest flight deals from STL to BLR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to BLR?
The cheapest flights from STL to BLR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to BLR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from STL to BLR. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Kempegowda Intl. Airport (BLR)?
You’ll need to catch a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Kempegowda Intl. Airport (BLR). Direct flights don’t operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from STL to BLR?
Usually you’ll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Kempegowda Intl. Airport (BLR)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Kempegowda Intl. Airport (BLR) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Kempegowda Intl. Airport (BLR) last-minute?
Last-minute bookings from STL to BLR are generally more expensive. To lock in the lowest prices, start searching for flights ahead of time. That being said, if you’re flexible with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book a STL to BLR flight and hotel package?
You can save money by securing a STL to BLR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one place. Once you’ve selected your ideal flights and accommodations, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Kempegowda Intl. Airport (BLR)?
If you reserved your STL to BLR flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.
*Available to One Key members.