$605 Cheap Flights from Bengaluru (BLR) to St. Louis (STL)

View $605 flight on Mon, May 25, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $605 for one-way flights and $1,087 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Sep 5 - Wed, Sep 10
BLR
Bengaluru
STL
St. Louis
$1,087 Roundtrip, found 4 days ago
$1,087
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 5 from Bengaluru to St. Louis, returning Wed, Sep 10, priced at $1,087 found 4 days ago
Delta
Fri, Sep 5 - Sun, Sep 7
BLR
Bengaluru
STL
St. Louis
$1,092 Roundtrip, found 4 days ago
$1,092
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 5 from Bengaluru to St. Louis, returning Sun, Sep 7, priced at $1,092 found 4 days ago
Delta
Wed, Sep 3 - Tue, Sep 9
BLR
Bengaluru
STL
St. Louis
$1,092 Roundtrip, found 4 days ago
$1,092
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Sep 3 from Bengaluru to St. Louis, returning Tue, Sep 9, priced at $1,092 found 4 days ago
Qatar Airways
Tue, Sep 9 - Mon, Sep 15
BLR
Bengaluru
STL
St. Louis
$1,098 Roundtrip, found 4 days ago
$1,098
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Tue, Sep 9 from Bengaluru to St. Louis, returning Mon, Sep 15, priced at $1,098 found 4 days ago
Virgin Atlantic
Mon, Sep 8 - Sun, Sep 14
BLR
Bengaluru
STL
St. Louis
$1,102 Roundtrip, found 4 days ago
$1,102
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Mon, Sep 8 from Bengaluru to St. Louis, returning Sun, Sep 14, priced at $1,102 found 4 days ago
Delta
Fri, Sep 5 - Thu, Sep 11
BLR
Bengaluru
STL
St. Louis
$1,115 Roundtrip, found 4 days ago
$1,115
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 5 from Bengaluru to St. Louis, returning Thu, Sep 11, priced at $1,115 found 4 days ago
Qatar Airways
Mon, Jul 7 - Wed, Jul 16
BLR
Bengaluru
STL
St. Louis
$1,119 Roundtrip, found 5 days ago
$1,119
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Mon, Jul 7 from Bengaluru to St. Louis, returning Wed, Jul 16, priced at $1,119 found 5 days ago
Delta
Wed, Sep 3 - Tue, Sep 9
BLR
Bengaluru
STL
St. Louis
$1,122 Roundtrip, found 4 days ago
$1,122
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Sep 3 from Bengaluru to St. Louis, returning Tue, Sep 9, priced at $1,122 found 4 days ago
KLM
Wed, Sep 3 - Wed, Sep 10
BLR
Bengaluru
STL
St. Louis
$1,140 Roundtrip, found 4 days ago
$1,140
Roundtrip
found 4 days ago
Select KLM flight, departing Wed, Sep 3 from Bengaluru to St. Louis, returning Wed, Sep 10, priced at $1,140 found 4 days ago
Japan Airlines
Tue, Jul 22 - Tue, Jul 29
BLR
Bengaluru
STL
St. Louis
$1,276 Roundtrip, found 6 days ago
$1,276
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Tue, Jul 22 from Bengaluru to St. Louis, returning Tue, Jul 29, priced at $1,276 found 6 days ago
Flights from Bengaluru (BLR) to St. Louis (STL)
Origin airport
Kempegowda Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, British Airways, Cathay Pacific, Japan Airlines, Lufthansa, Qatar Airways, Virgin Atlantic
Roundtrip price
$1,086
Distance
8765 mi

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 September. 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 $605 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.

 

Frequently asked questions

How much does a flight from Kempegowda Intl. Airport (BLR) to Lambert-St. Louis Intl. Airport (STL) cost?
Discover the latest flight deals from BLR to STL 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 BLR to STL?
The cheapest flights from BLR to STL 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 BLR to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BLR to STL. Sort your results by "Price (lowest to highest)" to snap up 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.

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*Available to One Key members.