STL - BLR

$1,046 Find Cheap Flights from St. Louis to Bengaluru

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Bengaluru departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Bengaluru

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Bengaluru, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Bengaluru, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$1,055
Typical prices: $1,042-$1,361
Multiple Airlines
Sun 4/5Sat 4/11
STL - BLR • 2 stops
Top airlines
Cheapest • from $1,084 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Bengaluru. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $1,706 (round-trip)
Shortest trip • 20h 22m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 24% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Bengaluru!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Bengaluru that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Bengaluru

Sun, Apr 5 - Sat, Apr 11
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
Tue, May 5 - Tue, Jul 7
Multiple Airlines Logo
8:54 am - 3:15 am
STL
-
BLR
31h 51m
2 stops
Multiple Airlines Logo
4:35 am - 8:29 pm
BLR
-
STL
26h 24m
2 stops
$1,063Multiple Airlines
Wed, May 6 - Wed, May 13
Qatar Airways Logo
4:30 pm - 2:30 am
STL
-
BLR
23h 30m
2 stops
Qatar Airways Logo
4:25 am - 11:56 pm
BLR
-
STL
30h 01m
2 stops
$1,084Qatar Airways
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
8:57 am - 7:55 pm
STL
-
BLR
24h 28m
2 stops
Multiple Airlines Logo
4:55 pm - 7:30 pm
BLR
-
STL
37h 05m
2 stops
$1,086Multiple Airlines
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
Mon, May 4 - Wed, Jul 8
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 - Mon, Jul 6
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, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
6:00 am - 7:55 pm
STL
-
BLR
27h 25m
2 stops
Multiple Airlines Logo
4:35 am - 11:54 pm
BLR
-
STL
29h 49m
2 stops
$1,126Multiple Airlines
Sun, May 3 - Wed, Jul 8
Qatar Airways Logo
2:33 pm - 2:30 am
STL
-
BLR
25h 27m
2 stops
Qatar Airways Logo
4:00 am - 7:20 pm
BLR
-
STL
25h 50m
2 stops
$1,161Qatar Airways
Sat, Mar 28 - Fri, Apr 10
Qatar Airways Logo
6:20 pm - 2:30 am
STL
-
BLR
45h 40m
2 stops
Qatar Airways Logo
4:25 am - 10:24 pm
BLR
-
STL
28h 29m
2 stops
$1,165Qatar Airways
Booking Insights

KAYAK's insights & trends for St. Louis to Bengaluru flights

Get data-powered insights and trends into flights from St. Louis to Bengaluru to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Bengaluru?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Bengaluru departing in April.

What is the cheapest month to fly from St. Louis to Bengaluru?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Bengaluru, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Bengaluru is January, where tickets cost $1,145 (return) on average. On the other hand, the most expensive months are July and December, where the average cost of round-trip tickets is $1,615 and $1,602 respectively.

How far in advance should I book a flight from St. Louis to Bengaluru?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Bengaluru, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Bengaluru, you should book around 4 weeks before departure, which saves you about 24% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Good to know

Low seasonSeptember
Cheapest flight$1,055
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly with an average 11% increase in price.
Flight from St. Louis to Bengaluru (Bangalore)

When to book flights from St. Louis to Bengaluru

Are your dates flexible? Find out the best times to travel from St. Louis to Bengaluru based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Bengaluru (Bangalore)

  • What is the cheapest flight from St. Louis to Bengaluru?

    In the last 3 days, the lowest price for a flight from St. Louis to Bengaluru was $1,055 for a round-trip ticket.

  • Do I need a passport to fly between St. Louis and Bengaluru (Bangalore)?

    A passport is required to fly from St. Louis to Bengaluru (Bangalore).

  • Which airports will I be using when flying from St. Louis to Bengaluru (Bangalore)?

    When flying out of St. Louis you will be using Lambert-St Louis. You will be landing at Bengaluru (Bangalore), also known as Bengaluru Intl.

  • Which aircraft models fly most regularly from St. Louis to Bengaluru (Bangalore)?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Bengaluru (Bangalore)?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between St. Louis and Bengaluru (Bangalore), with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from St. Louis to Bengaluru, Delta or Qatar Airways?

    The two airlines most popular with KAYAK users for flights from St. Louis to Bengaluru are Delta and Qatar Airways. With an average price for the route of $1,767 and an overall rating of 7.9, Delta is the most popular choice. Qatar Airways is also a great choice for the route, with an average price of $1,272 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from St. Louis to Bengaluru (Bangalore)?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Bengaluru (Bangalore).

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Bengaluru (Bangalore)?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bengaluru (Bangalore) from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Bengaluru (Bangalore)?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bengaluru (Bangalore) with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and BLR can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Bengaluru (Bangalore)?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bengaluru (Bangalore) from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from St. Louis to Bengaluru

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Bengaluru. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Bengaluru? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8318 reviews
8.1Boarding
7.8Entertainment
7.9Comfort
8.5Crew
7.2Food
Airline reviews

Kayak botched up the booking, i had to call delta and fix. In the process Delta failed to honor my comfort plus seat assignment that i had previously.

2.0 MediocreSreekumar, Mar 2026
FLL - DTW
Read more Delta reviews

Kayak botched up the booking, i had to call delta and fix. In the process Delta failed to honor my comfort plus seat assignment that i had previously.

Entertainment is ok! Boarding and seat with zone is terrible. I paid for the seats but you didn’t give me what I paid for which is exit isles.

the crew cancel the morning service due to the weather. Then the flight got deverted to Nashville . we were on the ground for over two hours the only gave us water once... no food or any snacks.... the crew should have handled better and offered something to passengers.

My recent experience was excellent on Delta! I flew with Delta Comfort and I was really comfortable in my seat. I enjoyed the in-flight service. The flight attendants were so friendly and hospitable. I love the snack on the flight as well. This was my first time flying on Delta and I will definitely consider flying with them again.

My flight was cencaled due with the bad weather on Sunday the crew was poorly mistaken my luggage supposed depart with my flight instead I didn’t have my luggage for almost 3 days the website is poorly respond to my complain until I have someone to do it my connection smooth their not even respon or email me even the have my luggage

Delta needs to step its game up get a more reliable internet service. Internet service was non-existent for this flight.

Mechanical Delay of over an hour with multiple gate changes. Entertainment system down for rejuvenation.

This was a Latam operated flight. Seats seemed a bit narrow in business class. Older aircraft.

I had a flight cancel and had it rerouted. When the rerouted they put me at a window seat instead of an isle. It was hard sitting by the window because the couple with masks on were making out. I get motion sickness which is why I need to have the isle seat.

NEVER MADE THE FLIGHT BECAUSE DELTA SAID THEY CAN NOT

Extremely uncomfortable seats with very little cushioning, unable to recline enough to sleep comfortably on this 13 hour overnight flight. My body was in pain by the end.

When we checked in at the Siem Reap Airport in Cambodia, we were only given three boarding passes and told that we would have to check in with American when we arrived in Boston. This was a source of stress for us. After we landed in Boston, we had a long passage from Terminal E to Terminal B (American Airline ticketing counter). Because the electronic ticketing kiosks for check-in would not recognize our Confirmation Code, we had to wait for an hour in a long line where only two AA reps were taking care of Special Services passengers. In many years of both business and recreational travel, I have never had this experience. I would expect more from AA being in partnership with other airlines to do a better job with this.

Our experience on the Doha to Hyderabad segment was extremely stressful due to prolonged delays and a lack of clear communication from the airline. We were traveling as a family, including children, and the uncertainty around timing and next steps caused significant distress. There was very little proactive information provided during the delay, and we were not given clear written explanations about what was happening or how long it might take. This made it difficult to manage the situation, especially while caring for children in a transit environment. In addition, one member of our party was ultimately unable to continue travel, which added to the emotional strain and disruption of the trip. Overall, the experience highlighted gaps in communication, customer care, and handling of unexpected situations. We are sharing this feedback so that future passengers, especially families, are supported with clearer communication and better assistance during irregular operations.

The seat cushions are absolutely lacking, not sure if they know the passengers are traveling for 14 hours straight, but the padding made our back and butt ache like crazy. The entertainment console had its own problems, either the headphone jack wasn't working or the power outlet via usb or ac outlet was not working. Not to mention the seat handles were not adjustable in some planes in the middle or on the aisle. Qatar/Indigo may be operating a very old fleet of planes to make as much profit as possible, but passengers may not be following them for long, should this treatment of its customers continue. Qatar/Indigo, wake up and do it right by your customers, or they may not be your customers anymore.

It would help id flight crew were not rude and showed some courtesy. They were shouting at passengers and yelling instructions as if we were school children at lunch cafeteria!!

Looks like a local flight. Food was horrible. No entertainment system.

All good. Over four hours flight if provided snacks like Qatar Airways would be better

Lobster starter in business class was not good, tough, served cold, and without butter. Movie selection was missing latest releases, did not offer older classic, high quality movies

Food was absolutely pathetic. I wasted so much food which I thought was inedible. I also loathe the inflight entertainment system which has very little content

My entire row did not have power for the full duration of a 14.5 hour flight. Could not charge any devices such as laptop or phones for the entirety of the long flight. The flight attendants tried to remedy the issue by resetting the power, but were not successful. The only other solution provided was to move me to another seat on the plane which was in the middle row. I had paid for a “preferred” seat that was a window seat. This was a downgrade being offered due to the power issue.

Lufthansa cancelled our flight from Los Angeles to Naples Italy on March 10 for scheduled flight on March 12 Very stressful experience trying to arrange alternatives. Will never fly again with Lufthansa

Everything could have been better. What needed to be wrong with United went wrong

The staff was bit rude when I asked for an extra drink after one beer, asked for one wine glass.

Very good, i got two seats for myself, and was comfortable with the blanket i got

I hated the FRA Airport. Confusing signage, including the path to Immigration and Security It seems that the airport grew haphazardly over the years. I have been through multiple WW Hubs with much better experiences.

Economy Priority seats are extremely uncomfortable. There is no way to escape the boxed in feeling, particularely because the distance between to rows are too short, the hard edge of the front row is keeping legs confined. There is no elevated place to put your feet. I am of average, European size.

Terrible. Both flights were significantly delayed, no luggage, made me check my small bag when many, many others had much larger carry-ons, not even a bottle of water . . . I will not fly Discover Airlines again.

Boarding was by group and we had to take the bus. There were no elevators so had to walk down the stairs. It would help to have escalators or elevators. Note I had a special needs child and the gate crew was rushing us in. The bus was full but we were packed with no seats to sit.

The food from Delhi to Frankfurt went bad or something cause I got sick after I ate the meal and felt ill the rest of my travel back to NY

Everything was on time, even though the layover in Frankfurt was 22hrs

Everything you need to know for your flight from St. Louis to Bengaluru

Information on your arrival and departure airports