HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Antananarivo

$2,403+ Cheap flights from St. Louis (STL) to Antananarivo (TNR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TNR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Antananarivo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Antananarivo

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Antananarivo (TNR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$2,726
(Air France)
From Lambert-St Louis to Antananarivo
Search Deals

Find flight deals from St. Louis to Antananarivo

Cheapest flights from St. Louis to Antananarivo
Explore the most affordable flight options available from St. Louis to Antananarivo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Booking.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/154:05 pmSTL - TNR
3 stops64h 45mMultiple Airlines
Tue 9/306:35 pmTNR - STL
3 stops33h 07mMultiple Airlines
Deal found 9/9$2,403
This Air France deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1711:21 amSTL - TNR
2 stops26h 59mAir France
Fri 10/2412:30 amTNR - STL
2 stops29h 34mAir France
Deal found 9/10$2,726
This KLM deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:15 pmSTL - TNR
2 stops26h 05mKLM
Mon 9/2912:30 amTNR - STL
2 stops29h 30mKLM
Deal found 9/9$2,889
This SmartFares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/173:30 pmSTL - TNR
2 stops40h 05mMultiple Airlines
Sat 10/254:25 pmTNR - STL
2 stops30h 30mMultiple Airlines
Deal found 9/10$3,167
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/149:15 amSTL - TNR
3 stops33h 15mMultiple Airlines
Tue 9/162:50 pmTNR - STL
3 stops32h 28mMultiple Airlines
Deal found 9/10$3,545
This Emirates deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:14 pmSTL - TNR
3 stops40h 51mEmirates
Thu 11/66:35 pmTNR - STL
3 stops34h 04mEmirates
Deal found 9/9$3,767
This KLM deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:04 amSTL - TNR
2 stops27h 16mKLM
Mon 9/1512:30 amTNR - STL
2 stops29h 30mKLM
Deal found 9/10$4,741
This KLM deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/172:15 pmSTL - TNR
2 stops24h 05mKLM
Fri 10/311:20 amTNR - STL
2 stops48h 23mKLM
Deal found 9/11$4,857

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Antananarivo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from St. Louis to Antananarivo that are best for you.

Fly from

St. Louis

Fly to

Antananarivo

Route

Depart

Return

Price

St. LouisAntananarivo

STL - TNR

STLTNR

Lambert-St Louis

Fri 10/17

11:21 am-10:20 pm

2 stops26h 59m

Antananarivo

Fri 10/24

12:30 am-10:04 pm

2 stops29h 34m

$2,726

St. LouisAntananarivo

STL - TNR

STLTNR

Lambert-St Louis

Fri 10/17

3:30 pm-3:35 pm

2 stops40h 05m

Antananarivo

Sat 10/25

4:25 pm-2:55 pm

2 stops30h 30m

$3,167

St. LouisAntananarivo

STL - TNR

STLTNR

Lambert-St Louis

Sun 11/2

3:14 pm-5:05 pm

3 stops40h 51m

Antananarivo

Thu 11/6

6:35 pm-7:39 pm

3 stops34h 04m

$3,767

St. LouisAntananarivo

STL - TNR

STLTNR

Lambert-St Louis

Fri 10/17

2:15 pm-10:20 pm

2 stops24h 05m

Antananarivo

Fri 10/31

1:20 am-5:43 pm

2 stops48h 23m

$4,857

St. LouisAntananarivo

STL - TNR

STLTNR

Lambert-St Louis

Fri 10/17

3:30 pm-2:00 pm

2 stops38h 30m

Antananarivo

Sat 11/1

4:30 pm-2:55 pm

2 stops30h 25m

$6,629

St. LouisAntananarivo

STL - TNR

STLTNR

Lambert-St Louis

Fri 10/17

3:23 pm-4:50 pm

3 stops41h 27m

Antananarivo

Sat 11/1

6:35 pm-8:39 pm

3 stops34h 04m

$7,399

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from St. Louis to Antananarivo

Have a flexible travel schedule? Discover the best time to fly to Antananarivo from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Antananarivo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Antananarivo?

    Air France, Emirates, and KLM can get you from St. Louis to Antananarivo in just under 24h 05m. Your travel time can differ by up to 16h 46m. There are 9563 mi between St. Louis and Antananarivo. This flight may include one or multiple stops.

  • Can I find deals for flights from St. Louis to Antananarivo that include hotel bookings?

    Yes. In addition to deals on St. Louis to Antananarivo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Antananarivo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Antananarivo.

  • Can I find deals for business class flights from St. Louis to Antananarivo?

    Yes. Cheapflights offers flight deals from St. Louis to Antananarivo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Antananarivo?

    Currently, March is the cheapest month in which you can book a flight from St. Louis to Antananarivo (average of $1,157). Flying from St. Louis to Antananarivo in December is currently the most expensive (average of $2,175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Antananarivo

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Antananarivo flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.