Cheap flights from Chennai to St. Louis from ₹ 72,630
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chennai to St. Louis departing on 23/4. 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 Chennai to St. Louis
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 St. Louis?
In general, October is the cheapest month to fly from Chennai to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 92,137. If you are unable to visit St. Louis during the month of October, then departing from Chennai during the month September is also very affordable. Most momondo users find prices during this month for around ₹ 92,921.
What is the cheapest day to depart on your flight to St. Louis?
According to our data, Monday is the cheapest day to fly to St. Louis from Chennai. The lowest ticket price found for a Monday departure recently was ₹ 0. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to St. Louis is Sunday, with ticket prices averaging around ₹ 159,874.
What is the cheapest time of day to depart on your flight to St. Louis?
According to our data, the cheapest time of day to fly to St. Louis is at midday. momondo users have found flights departing from Chennai to St. Louis at midday for as low as ₹ 0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to St. Louis are more costly in the evening, with an average ticket price of ₹ 150,243. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
How have Chennai to St. Louis flight prices changed over time?
As of March 2025, prices for Chennai to St. Louis flights are approximately 36% cheaper when compared to flights at the same time last year.
When to book flights from Chennai to St. Louis
Cheap Chennai to St. Louis (MAA to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chennai to St. Louis
How far is Chennai to Lambert-St Louis by plane?
There are 14170.0 km between Chennai and Lambert-St Louis.
When did momondo last update prices for flights from Chennai Airport to Lambert-St Louis Airport?
Prices for flights from Chennai Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Chennai Airport to Lambert-St Louis Airport?
As of March 2025, there are 2 operators available to choose from for flights from Chennai Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Chennai Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chennai Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Chennai to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chennai to St. Louis is British Airways (73% of total bookings). The next most popular airline is Lufthansa (27%).
Best airlines flying from Chennai to St. Louis
Compare and see reviews for airlines that fly from Chennai to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom ₹ 84,942 | Free Cancellation | Rating 6.6 6,727 reviews | |||
| PriceFrom ₹ 103,328 | Free Cancellation | Rating 6.7 6,956 reviews |
Travelling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chennai to St. Louis?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Chennai.
Can I find flights from Chennai to St. Louis with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Chennai to St. Louis flights to just show those with flexible booking policies.
How can momondo help me find flights from Chennai to St. Louis?
momondo helps you find the best flight between Chennai and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Chennai to St. Louis right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Chennai to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.