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$661 Cheap Flights from St. Louis (STL) to Chennai (MAA)

Cheap Flights from St. Louis to Chennai (STL-MAA)

Prices were available within the past 7 days and start at $661 for one-way flights and $1,022 for roundtrip, for the period specified. Prices and availability are subject to change.

Alternative airports near Chennai

Prices were available within the past 7 days. Prices and availability are subject to change.

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St. Louis (STL) to Chennai (MAA) at a glance

Explore a range of airlines offering flights from St. Louis (STL) to Chennai (MAA) on this international long-haul journey. Compare various options, from full-service carriers to budget-friendly choices, to find the itinerary that aligns with your travel plans, budget, and schedule. Discover essential details for flights from Lambert-St. Louis International Airport (STL) to Chennai International Airport (MAA) as you prepare to experience the vibrant sights and neighborhoods of Chennai.

  • Fastest flight duration: around 18 hours in-flight, plus roughly 2h 45m layover with one stop
  • Route distance: roughly 8,800 miles (14,160 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $535–$1950, depending on seasonality and how far ahead you book

Flights from Lambert-St. Louis International Airport (STL) to Chennai International Airport (MAA)

Based on the latest traveler bookings, here are the top airlines favored for flights from St. Louis to Chennai, particularly for one-stop and multi-stop itineraries. Common layover points include Hamad International Airport, DOH (approximately 3h 15m layover), O'Hare International Airport, ORD (around 2h 45m layover), and Philadelphia International Airport, PHL (about 5h 15m layover). This variety allows you to balance price, total travel duration, and cabin class to curate the ideal travel plan.

  • Lufthansa: This full-service airline provides one-stop flights, with one-way ticket prices generally falling between $705 and $1525. It represents about 26% of departures on this route, featuring an in-flight duration of 18 hours and a total travel time of around 20 hours and 45 minutes, including the layover.
  • Qatar Airways: Offering multi-stop service, Qatar Airways is a full-service carrier with one-way fares typically ranging from $535 to $2060. It accounts for roughly 22% of departures for this route, with an in-flight time of 19 hours and 15 minutes, resulting in a total journey time of about 25 hours and 15 minutes, including layovers.
  • United: Another full-service airline, United provides one-stop options, with one-way fares generally between $725 and $2010. This carrier makes up approximately 14% of departures on this route, with an in-flight duration of 18 hours, totaling about 20 hours and 45 minutes of travel time, factoring in the layover.
  • Etihad Airways: This full-service airline features multi-stop flights, with one-way ticket prices typically ranging from $555 to $835. It accounts for around 10% of departures on this route, offering an in-flight time of 19 hours and 15 minutes and a total journey duration of about 25 hours and 15 minutes, including layovers.

Alternative routes from St. Louis (STL) to Chennai (MAA)

  • St. Louis to Tirupati (STL-TIR): Tirupati Airport (TIR) is located approximately 61 miles from Chennai International Airport (MAA).
  • Springfield to Chennai (SPI-MAA): Abraham Lincoln Capital Airport (SPI) is about 85 miles from Lambert-St. Louis International Airport (STL).

How to find the best prices for flights from St. Louis (STL) to Chennai (MAA)

Getting some of the best deals on flights from St. Louis to Chennai is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, but most travelers tend to book within 2 weeks. Morning departures (5 AM-12 PM) often feature lower prices, while afternoon flights (12 PM-6 PM) are more popular. Additionally, flying on Wednesday generally offers better deals, although Friday remains the most sought-after travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Chennai International Airport from Lambert-St. Louis International Airport

Chennai welcomes travelers from St. Louis with a range of transport options based on price, convenience, and proximity. Here's how to reach Chennai efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Chennai, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Chennai International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Chennai International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Chennai International Airport, the nearest transport links are easily accessible, with Chennai International Airport Metro Station (a metro station) located about 0.1 miles away on foot and Chennai Tirusulam Station (a train station) just 0.2 miles away on foot. Additionally, Chennai Seaport (a seaport) is approximately 5.8 miles from the airport and is best reached by car.

St. Louis to Chennai Flights

The cheapest times to fly from St. Louis to Chennai

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Chennai are during the month of October. You can find some of the cheapest flights from St. Louis to Chennai with Expedia's search tool and vast selection of airlines.

The best time to book a flight from St. Louis to Chennai

Sunday is one of the best days to book for cheap flights from St. Louis to Chennai: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from St. Louis to Chennai

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Chennai in 2026. You can also book with separate airlines for your outbound and return journeys, from $661 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Chennai flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Chennai airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently Asked Questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.) cost?

You can find cheap one-way flights from $661 and cheap return flights $1,022 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.) with Expedia. One-way flights typically cost between $836 and $6359, and return flights often range between $1273 and $8700. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.)?

The cheapest month to fly from STL to MAA is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.)?

Enter STL to MAA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

What is the cheapest airline that flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.)?

Cathay Pacific is one of the cheapest airlines offering connecting flights from St. Louis, MO (STL) to Chennai (MAA), with round-trip tickets starting from around $1,198. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.)?

To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.)?

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.)?

The earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.) typically departs at around 5:00 AM local time, operated by American Airlines and British Airways. This is a seasonal service active in February. Departing early can give you a head start on your adventures in Chennai. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.)?

For flights from Lambert-St. Louis Intl. (STL) to Chennai Intl. (MAA), the most popular departure times are in the late afternoon, from 3pm to 6pm. This accounts for around 45% of total traffic. Many major carriers, including Lufthansa, American Airlines, and British Airways, offer flights during this window. Many travelers prefer this time because it allows for a full day of activities before heading to the airport.

How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.)?

Flights from STL to MAA with one stop typically take around 22 hours 20 minutes, covering approximately 8,811 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.)?

Business class seats are offered on the STL to MAA route. Airlines that offer business class service on this route include:

  • American Airlines
  • Lufthansa
  • United Airlines
  • Air Canada

First class is available with United Airlines.

How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.) flight with Expedia?

It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

What airports do you fly into for Chennai from Lambert-St. Louis Intl. (STL)?

If you're planning to travel to Chennai from Lambert-St. Louis Intl. (STL), you can fly into Chennai Intl. (MAA) Some flights may connect through major hubs like O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW), Pearson Intl. (YYZ) before reaching Chennai. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.) at the last minute?

Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.) flight and hotel package?

Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.) Chennai Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.)?

If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chennai (MAA-Chennai Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
St. Louis Lambert Intl. Airport
Destination airport
Chennai International Airport
Distance
8,810 miles away
Airlines serving
Qatar Airways, British Airways, Lufthansa, Cathay Pacific, Emirates, Air Canada, American Airlines
Popular airline
Qatar Airways
Roundtrip price
$1,022
*Available to One Key members.