Cheap flights from St. Louis to Chennai from $918
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Chennai departing on 6/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from St. Louis to Chennai
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chennai?
In general, October is the cheapest month to fly from St. Louis to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,189. If you’re not able to fly to Chennai in October, then September is your next best option. Flight prices from St. Louis to Chennai during September average around $1,192.
What is the cheapest day to depart on your flight to Chennai?
The cheapest day to depart on your flight to Chennai is on a Tuesday when prices can be found for as low as $1,353. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to Chennai on a Wednesday will generally be more expensive and average around $1,678. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Chennai?
In the morning is the cheapest time of day to fly from St. Louis to Chennai when you can find flight prices for as low as $1,399. Flying to Chennai in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Chennai is in the evening when prices are around $1,996.
What is the cheapest Lambert-St Louis to Chennai flight route?
Fly from Lambert-St Louis to Chennai for the best Lambert-St Louis - Chennai flight prices
How far in advance should I book a flight to Chennai?
You are more likely to see cheaper flights to Chennai from St. Louis when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around $1,431 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from St. Louis for as low as $1,142 on momondo.
What cabin class options are available on Lambert-St Louis to Chennai flights?
There are 1 cabin classes available to choose from on Lambert-St Louis to Chennai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Lambert-St Louis to Chennai?
Qatar Airways is the most popular carrier operating from Lambert-St Louis to Chennai
What airlines fly to Chennai?
Lufthansa, Qatar Airways and Emirates are the top three most popular airlines that fly to Chennai from St. Louis according to our data. Lufthansa is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Chennai. Keep in mind that there are 3 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Chennai
Cheap St. Louis to Chennai (STL to MAA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Chennai
How far is Lambert-St Louis to Chennai by plane?
Chennai is 8804.9 mi away from Lambert-St Louis. 20h 45m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Chennai Airport?
Prices for flights from Lambert-St Louis Airport to Chennai Airport are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Chennai Airport?
The number of operators available for flights from Lambert-St Louis Airport to Chennai Airport is 3 as of June 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Chennai Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Chennai Airport.
What documentation or ID do you need to fly to Chennai Airport?
The travel and health documents you'll need for your trip to Chennai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chennai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Chennai?
Based on momondo bookings for flights between St. Louis and Chennai, the leading airline is Lufthansa, making up 52% of the total bookings. Other popular airlines include Qatar Airways with 45% and Emirates with 3%.
Best airlines flying from St. Louis to Chennai
Compare and see reviews for airlines that fly from St. Louis to Chennai with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,129 | Free Cancellation | Rating 8.1 3,264 reviews | |||
| PriceFrom $1,172 | Free Cancellation | Rating 7.4 3,584 reviews | |||
| PriceFrom $1,187 | Free Cancellation | Rating 6.7 7,139 reviews |
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Why should I use momondo to find a flight deal from St. Louis to Chennai?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Chennai. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from St. Louis to Chennai with flexible booking policies on momondo?
Flights from St. Louis to Chennai with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from St. Louis to Chennai?
momondo provides multiple filters to help you find the best flight to Chennai from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from St. Louis to Chennai right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of St. Louis to Chennai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.