STL - BLR

$1,385 Find Cheap Flights from St. Louis to Bengaluru (Bangalore)

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 6/19. 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 (Bangalore)

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Bengaluru (Bangalore), 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 (Bangalore), as well as popular online travel agencies
Travelers love KAYAK
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Everything you should know

Cheapest round-trip
$1,385
Typical prices: $1,807-$1,513
Multiple Airlines
Fri 6/19Sun 6/28
STL - BLR • 2 stops
Top airlines
Cheapest • from $1,530 (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 $1,745 (round-trip)
Shortest trip • 20h 22m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 26% 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

Fri, Jun 19 - Sun, Jun 28
Multiple Airlines Logo
9:23 am - 3:15 am
STL
-
BLR
31h 22m
2 stops
Multiple Airlines Logo
10:00 am - 1:12 pm
BLR
-
STL
37h 42m
2 stops
$1,385Multiple Airlines
Mon, Jun 22 - Mon, Jul 13
Multiple Airlines Logo
6:00 am - 3:15 am
STL
-
BLR
34h 45m
2 stops
Multiple Airlines Logo
10:15 pm - 8:04 pm
BLR
-
STL
32h 19m
2 stops
$1,422Multiple Airlines
Mon, Jun 15 - Wed, Jul 15
Multiple Airlines Logo
5:03 pm - 8:45 am
STL
-
BLR
29h 12m
2 stops
Multiple Airlines Logo
10:15 pm - 8:04 pm
BLR
-
STL
32h 19m
2 stops
$1,465Multiple Airlines
Tue, Jun 2 - Mon, Jul 20
Multiple Airlines Logo
5:08 am - 7:55 pm
STL
-
BLR
28h 17m
2 stops
Multiple Airlines Logo
4:35 am - 8:52 am
BLR
-
STL
38h 47m
2 stops
$1,482Multiple Airlines
Mon, Jun 22 - Sun, Jul 12
Lufthansa Logo
1:13 pm - 1:20 am
STL
-
BLR
25h 37m
2 stops
Lufthansa Logo
3:00 am - 1:25 pm
BLR
-
STL
20h 55m
1 stop
$1,530Lufthansa
Tue, Jun 16 - Thu, Jul 16
Multiple Airlines Logo
7:03 am - 7:55 pm
STL
-
BLR
26h 22m
2 stops
Multiple Airlines Logo
4:35 am - 12:16 am
BLR
-
STL
30h 11m
2 stops
$1,569Multiple Airlines
Mon, Jun 15 - Tue, Jul 14
Multiple Airlines Logo
1:05 pm - 1:20 am
STL
-
BLR
25h 45m
2 stops
Multiple Airlines Logo
3:00 am - 1:25 pm
BLR
-
STL
20h 55m
1 stop
$1,586Multiple Airlines
Fri, Jun 5 - Sat, Jul 4
Multiple Airlines Logo
9:09 am - 7:55 pm
STL
-
BLR
24h 16m
2 stops
Multiple Airlines Logo
4:35 am - 7:29 pm
BLR
-
STL
25h 24m
2 stops
$1,609Multiple Airlines
Sat, Jun 6 - Fri, Jun 12
Multiple Airlines Logo
7:41 pm - 8:50 am
STL
-
BLR
50h 39m
2 stops
Multiple Airlines Logo
4:45 am - 9:21 pm
BLR
-
STL
27h 06m
2 stops
$1,634Multiple Airlines
Mon, Jun 22 - Tue, Aug 4
Qatar Airways Logo
11:15 am - 3:15 am
STL
-
BLR
29h 30m
2 stops
Qatar Airways Logo
4:00 am - 9:49 pm
BLR
-
STL
28h 19m
2 stops
$1,645Qatar 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 June.

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

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 (Bangalore) is April, where tickets cost $1,041 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $1,836 and $1,705 respectively.

Good to know

Low seasonMarch
Cheapest flight$1,385
Best time to beat the crowds but there is an average 15% increase in price.
Most popular time to fly and prices are also 6% lower on average.
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 (Bangalore)?

    In the last 3 days, the lowest price for a flight from St. Louis to Bengaluru (Bangalore) was $1,385 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 (Bangalore), Delta or Qatar Airways?

    The two airlines most popular with KAYAK users for flights from St. Louis to Bengaluru (Bangalore) 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 $1,260 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.

  • Which airlines provide the cheapest flights from St. Louis to Bengaluru (Bangalore)?

    In the past 3 days, the cheapest round-trip tickets from St. Louis to Bengaluru (Bangalore) were found on Lufthansa ($1,530) and Qatar Airways ($1,645).

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 (Bangalore). 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 8457 reviews
8.1Boarding
7.9Comfort
8.5Crew
7.2Food
7.8Entertainment
Airline reviews

Much better than Latam, the worse airline company ever. I hope I don't have the need to fly Latam ever in my life again.

10.0 ExcellentIrmara, May 2026
MCO - BOS
Read more Delta reviews

Much better than Latam, the worse airline company ever. I hope I don't have the need to fly Latam ever in my life again.

Seats in Delta Main are unbelievably close to the seat in front of. Hard to get a backpack under the seat.

The flight was operated by Latam. The aircraft had a technical issue and the flight was delayed for the next day. They grounded other passengers to get their airplane assigned to my flight. Most of he ground staff don't speak English (Orlando Airport), but were very polite.The crew on the other hand could speak English and Portuguese. On board service was good.

The agent at check in and at the gate were less than thrilled to be at work. I'm not a fan of Kayak's placement on the plane. I got put in the middle seat and none of my preferences were used.

In ATL they have two sets of departure screens. Follow what is on your airline's departure board - the ATL Airport Authority departure board had completely incorrect details about the gate assignment for my flight, which would have made me miss boarding.

Flight was delayed it was hot while sitting on the plane, one engine was working on the plane until they had to do some jimmy rigging down the runway in order for the other engine to charge up. It was ridiculous

The flight was very good and the staff was very friendly and helpful!

The only thing I would say is we tried to get on a standby earlier flight, but with our fair we couldn’t. That seems senseless to leave with open seats..

Very easy to use and convenient, you can perform any action within the same portal

In a world of delays, Delta was on time both ways! Boarding was fast and efficient. Staff was friendly. AND wifi worked.

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.

Definitely get premium economy on a flight this long if you can. Your legs and while body will thank you.

Flight was delayed by several hours and then cancelled due to weather. But Staff was very helpful getting me on a different flight. United should offer food coupons and tooth brush and paste for stranded passengers

I upgraded to the business class cabin. It was the poorest business class I have ever experienced. No access to any business lounge in Tampa airport. Seats are not comfortable. I had a window seat and had to step/crawl over the next seat. Food was mediocre and service below average for business class. Bathroom location was ridiculous. No place to wait. I cannot believe I paid this kind of money and will never fly Lufthansa Discover again. They really should reimburse me somehow.

Boarding was disorganized. The door to one to the toilets wouldn’t lock. The plane was shockingly cramped, and clearly used for domestic flights due to the menus for items to sell domestic travelers. United should be ashamed of its small seats, tiny unclean toilets, and money grubbing stance toward services, compared to Lufthansa, Emirates, and most international carriers United is awful.

Was never allowed on and not refunded the full amount of the ticket plus charged a $300 processing fee.

Terrible. Lost our luggage for 4 days. Did not advise passengers there was a strike in Barcelona Airport and had zero personnel on hand at airport to advise passengers on where to go to file claims. We had to fend for ourselves. No assistance at all other than an online claims submission process that we had to find out about on our own.

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

Very friendly, service oriented and responsive crew. Very pleased with th service!

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

Information on your arrival and departure airports