Cheap flights from Chennai to St. Louis from $966
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 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Chennai to St. Louis
Cheap round-trip flights
Cheap one-way flights
Lufthansa flights from Chennai to St. Louis
Our best Lufthansa deals on Chennai to St. Louis flight tickets
Air Canada flights from Chennai to St. Louis
Our best Air Canada deals on Chennai to St. Louis flight tickets
See travel insights to St. Louis from
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 $1,058. The month of December is another great option to travel to St. Louis, with average flight prices from Chennai averaging around $1,086.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $1,282. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,748. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Chennai in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,339 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,363 per ticket.
How have Chennai to St. Louis flight prices changed over time?
As of April 2025, prices for Chennai to St. Louis flights are approximately 28% more expensive 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?
A flight from Chennai to Lambert-St Louis will travel around 8804.9 mi. By plane, this route typically takes 22h 05m.
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 refresh daily.
How many operators does momondo search for flights from Chennai Airport to Lambert-St Louis Airport?
The number of operators available for flights from Chennai Airport to Lambert-St Louis Airport is 2 as of April 2025.
How old do you have to be to fly from Chennai Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chennai Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chennai to St. Louis?
momondo data reveals that the most frequently booked airline on the route from Chennai to St. Louis is British Airways, representing 63% of all bookings. The subsequent popular airline is Lufthansa at 37%.
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 $971 | Free Cancellation | Rating 6.6 6,842 reviews | |||
| PriceFrom $1,234 | Free Cancellation | Rating 6.7 7,044 reviews |
Traveling 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. All flights to St. Louis from Chennai on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Chennai to St. Louis?
Once you have performed a search for Chennai to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Chennai to St. Louis right now. Can momondo alert me if prices change?
Price alerts on flights to St. Louis from Chennai are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.