$518 Cheap Flights from Bengaluru (BLR) to St. Louis (STL)

View $518 flight on Tue, Feb 10, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $518 for one-way flights and $960 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, Nov 21 - Fri, Jan 30
BLR
Bengaluru
STL
St. Louis
$960 Roundtrip, found 3 days ago
$960
Roundtrip
found 3 days ago
Select British Airways flight, departing Fri, Nov 21 from Bengaluru to St. Louis, returning Fri, Jan 30, priced at $960 found 3 days ago
British Airways
Wed, Mar 11 - Tue, Aug 4
BLR
Bengaluru
STL
St. Louis
$1,008 Roundtrip, found 6 days ago
$1,008
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Mar 11 from Bengaluru to St. Louis, returning Tue, Aug 4, priced at $1,008 found 6 days ago
British Airways
Fri, Oct 10 - Sat, Mar 21
BLR
Bengaluru
STL
St. Louis
$1,076 Roundtrip, found 4 days ago
$1,076
Roundtrip
found 4 days ago
Select British Airways flight, departing Fri, Oct 10 from Bengaluru to St. Louis, returning Sat, Mar 21, priced at $1,076 found 4 days ago
British Airways
Tue, Oct 14 - Tue, Oct 21
BLR
Bengaluru
STL
St. Louis
$1,082 Roundtrip, found 2 days ago
$1,082
Roundtrip
found 2 days ago
Select British Airways flight, departing Tue, Oct 14 from Bengaluru to St. Louis, returning Tue, Oct 21, priced at $1,082 found 2 days ago
Virgin Atlantic
Fri, Nov 21 - Fri, Jan 30
BLR
Bengaluru
STL
St. Louis
$1,098 Roundtrip, found 3 days ago
$1,098
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Fri, Nov 21 from Bengaluru to St. Louis, returning Fri, Jan 30, priced at $1,098 found 3 days ago
Virgin Atlantic
Wed, Mar 11 - Tue, Aug 4
BLR
Bengaluru
STL
St. Louis
$1,103 Roundtrip, found 6 days ago
$1,103
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Wed, Mar 11 from Bengaluru to St. Louis, returning Tue, Aug 4, priced at $1,103 found 6 days ago
Air France
Sun, Dec 21 - Sun, Jan 11
BLR
Bengaluru
STL
St. Louis
$1,104 Roundtrip, found 5 hours ago
$1,104
Roundtrip
found 5 hours ago
Select Air France flight, departing Sun, Dec 21 from Bengaluru to St. Louis, returning Sun, Jan 11, priced at $1,104 found 5 hours ago
KLM
Sun, Dec 21 - Sun, Jan 11
BLR
Bengaluru
STL
St. Louis
$1,106 Roundtrip, found 5 hours ago
$1,106
Roundtrip
found 5 hours ago
Select KLM flight, departing Sun, Dec 21 from Bengaluru to St. Louis, returning Sun, Jan 11, priced at $1,106 found 5 hours ago
KLM
Sun, Dec 21 - Sun, Jan 11
BLR
Bengaluru
STL
St. Louis
$1,107 Roundtrip, found 5 hours ago
$1,107
Roundtrip
found 5 hours ago
Select KLM flight, departing Sun, Dec 21 from Bengaluru to St. Louis, returning Sun, Jan 11, priced at $1,107 found 5 hours ago
Qatar Airways
Wed, Mar 11 - Tue, Aug 4
BLR
Bengaluru
STL
St. Louis
$1,122 Roundtrip, found 6 days ago
$1,122
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Wed, Mar 11 from Bengaluru to St. Louis, returning Tue, Aug 4, priced at $1,122 found 6 days ago

Frequently asked questions

How much does a flight from Kempegowda Intl. Airport (BLR) to Lambert-St. Louis Intl. Airport (STL) cost?
Grab a cheap one-way flight from $518 or cheap return flight from $960 from Kempegowda Intl. Airport (BLR) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Kempegowda Intl. Airport (BLR) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from BLR to STL is November, when there's less demand. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Kempegowda Intl. Airport (BLR) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from BLR to STL. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Kempegowda Intl. Airport (BLR) to Lambert-St. Louis Intl. Airport (STL)?
There are no daily nonstop flights available from Kempegowda Intl. Airport (BLR) to Lambert-St. Louis Intl. Airport (STL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from BLR to STL?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the airline, season 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 Kempegowda Intl. Airport (BLR) to Lambert-St. Louis Intl. Airport (STL)?
To reach Lambert-St. Louis Intl. Airport (STL) on time, pick a flight that takes off from Kempegowda Intl. Airport (BLR) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Kempegowda Intl. Airport (BLR) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until just before your trip to book your flight from BLR to STL often results in higher prices. Although you may find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans for a better chance of scoring a bargain.
Is it cheaper to book a BLR to STL flight and hotel package?
You'll generally save money by securing a BLR to STL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Kempegowda Intl. Airport (BLR) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your BLR to STL flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare 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 more information.

Travel information

Travel information

Origin airport
Kempegowda Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Japan Airlines, Lufthansa, Qatar Airways, Virgin Atlantic
Roundtrip price
$959
Distance
8765 mi

Book with confidence

Book with confidence

Bengaluru to St. Louis Flights

The cheapest times to fly from Bengaluru to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bengaluru to St. Louis are during the month of November. You can find some of the cheapest flights from Bengaluru to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bengaluru to St. Louis

Sunday is one of the best days to book for cheap flights from Bengaluru to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bengaluru to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bengaluru to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $518 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bengaluru to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bengaluru to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Bengaluru to St. Louis Flights

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