$1,273 Cheap Flights from St. Louis (STL) to Antananarivo (TNR)

View $1,273 flight on Mon, Oct 6, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Antananarivo (TNR-Ivato Intl.)

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Cheap Flights from St. Louis to Antananarivo (STL-TNR)

Prices were available within the past 7 days and start at $1,273 for one-way flights and $1,766 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Oct 6 - Mon, Oct 13
STL
St. Louis
TNR
Antananarivo
$1,766 Roundtrip, found 4 days ago
$1,766
Roundtrip
found 4 days ago
Select United flight, departing Mon, Oct 6 from St. Louis to Antananarivo, returning Mon, Oct 13, priced at $1,766 found 4 days ago
United
Wed, Oct 8 - Mon, Oct 13
STL
St. Louis
TNR
Antananarivo
$1,791 Roundtrip, found 4 days ago
$1,791
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 8 from St. Louis to Antananarivo, returning Mon, Oct 13, priced at $1,791 found 4 days ago
United
Tue, Oct 7 - Mon, Oct 13
STL
St. Louis
TNR
Antananarivo
$1,804 Roundtrip, found 4 days ago
$1,804
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 7 from St. Louis to Antananarivo, returning Mon, Oct 13, priced at $1,804 found 4 days ago
United
Sat, Oct 4 - Mon, Oct 13
STL
St. Louis
TNR
Antananarivo
$1,816 Roundtrip, found 4 days ago
$1,816
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 4 from St. Louis to Antananarivo, returning Mon, Oct 13, priced at $1,816 found 4 days ago
United
Wed, Oct 8 - Wed, Oct 15
STL
St. Louis
TNR
Antananarivo
$1,823 Roundtrip, found 9 hours ago
$1,823
Roundtrip
found 9 hours ago
Select United flight, departing Wed, Oct 8 from St. Louis to Antananarivo, returning Wed, Oct 15, priced at $1,823 found 9 hours ago
United
Sun, Oct 5 - Mon, Oct 13
STL
St. Louis
TNR
Antananarivo
$1,830 Roundtrip, found 4 days ago
$1,830
Roundtrip
found 4 days ago
Select United flight, departing Sun, Oct 5 from St. Louis to Antananarivo, returning Mon, Oct 13, priced at $1,830 found 4 days ago
KLM
Mon, Oct 6 - Thu, Oct 16
STL
St. Louis
TNR
Antananarivo
$1,943 Roundtrip, found 4 days ago
$1,943
Roundtrip
found 4 days ago
Select KLM flight, departing Mon, Oct 6 from St. Louis to Antananarivo, returning Thu, Oct 16, priced at $1,943 found 4 days ago
Delta
Mon, Oct 13 - Sat, Oct 18
STL
St. Louis
TNR
Antananarivo
$2,072 Roundtrip, found 9 hours ago
$2,072
Roundtrip
found 9 hours ago
Select Delta flight, departing Mon, Oct 13 from St. Louis to Antananarivo, returning Sat, Oct 18, priced at $2,072 found 9 hours ago
Lufthansa
Wed, Jun 10 - Fri, Jun 19
STL
St. Louis
TNR
Antananarivo
$2,078 Roundtrip, found 1 day ago
$2,078
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Jun 10 from St. Louis to Antananarivo, returning Fri, Jun 19, priced at $2,078 found 1 day ago
Air Canada
Wed, Jun 10 - Fri, Jun 19
STL
St. Louis
TNR
Antananarivo
$2,159 Roundtrip, found 1 day ago
$2,159
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Jun 10 from St. Louis to Antananarivo, returning Fri, Jun 19, priced at $2,159 found 1 day ago

Alternative airports near Antananarivo

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

Select flight to Ivato Intl. TNR. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $1,923
TNR
Ivato Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $1,923

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Ivato Intl. Airport (TNR) cost?
Snag a cheap one-way flight from $1,273 or cheap return flight from $1,766 from Lambert-St. Louis Intl. Airport (STL) to Ivato Intl. Airport (TNR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Ivato Intl. Airport (TNR)?
The cheapest month to fly from STL to TNR is October, when demand is low. Off-peak season is typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Ivato Intl. Airport (TNR)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from STL to TNR. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Ivato Intl. Airport (TNR)?
There aren't any daily direct flights from Lambert-St. Louis Intl. Airport (STL) to Ivato Intl. Airport (TNR). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from STL to TNR?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Ivato Intl. Airport (TNR)?
Choose a flight from Lambert-St. Louis Intl. Airport (STL) to Ivato Intl. Airport (TNR) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Ivato Intl. Airport (TNR) last-minute?
Waiting until right before your break to book a ticket from STL to TNR often results in higher prices. While it's possible to find some last-minute deals, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of scoring a bargain.
Is it cheaper to book a STL to TNR flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to TNR flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply secure your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Ivato Intl. Airport (TNR)?
Typically, you can reschedule or cancel your STL to TNR flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Ivato Intl.
Roundtrip price
$1,766
Distance
9569 mi

Book with confidence

Book with confidence

St. Louis to Antananarivo Flights

The cheapest times to fly from St. Louis to Antananarivo

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 Antananarivo are during the month of October. You can find some of the cheapest flights from St. Louis to Antananarivo with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Antananarivo: 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 Antananarivo

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 Antananarivo in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,273 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 Antananarivo 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 Antananarivo 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.

 

St. Louis to Antananarivo Flights

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