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Port Louis

$1,539+ Cheap flights from St. Louis (STL) to Port Louis (MRU)

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MRU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from St. Louis to Port Louis

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Port Louis (MRU). 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

$1,539
(Ovago)
From Lambert-St Louis to Port Louis Sir Seewoosagur Ram.
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Find flight deals from St. Louis to Port Louis

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

This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/26:43 pmSTL - MRU
3 stops57h 47mMultiple Airlines
Sun 11/97:25 pmMRU - STL
3 stops30h 21mMultiple Airlines
Deal found 9/10$1,539
This Lufthansa deal was found by Cheapflights users on 9/8. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:31 pmSTL - MRU
3 stops39h 59mLufthansa
Wed 12/36:10 pmMRU - STL
3 stops39h 32mLufthansa
Deal found 9/8$1,935
This Air France deal was found by Cheapflights users on 9/8. 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.
Sat 11/294:30 pmSTL - MRU
2 stops29h 50mAir France
Wed 12/310:40 amMRU - STL
2 stops41h 17mAir France
Deal found 9/8$1,979

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Port Louis 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 Port Louis that are best for you.

Fly from

St. Louis

Fly to

Port Louis

Route

Depart

Return

Price

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

Sat 2/21

4:05 pm-9:10 am

2 stops31h 05m

Port Louis Sir Seewoosagur Ram.

Sat 3/21

4:25 pm-3:29 pm

2 stops32h 04m

$1,551

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

Sun 11/2

3:50 pm-7:10 am

2 stops53h 20m

Port Louis Sir Seewoosagur Ram.

Sun 11/9

7:25 pm-3:46 pm

3 stops30h 21m

$1,594

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

Sat 2/21

1:27 pm-2:30 pm

3 stops39h 03m

Port Louis Sir Seewoosagur Ram.

Sat 3/21

8:40 am-2:55 pm

1 stop39h 15m

$1,616

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

Sat 2/21

1:27 pm-2:30 pm

3 stops39h 03m

Port Louis Sir Seewoosagur Ram.

Sat 3/21

8:40 am-2:55 pm

1 stop39h 15m

$1,698

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

Sat 11/29

12:31 pm-2:30 pm

3 stops39h 59m

Port Louis Sir Seewoosagur Ram.

Wed 12/3

6:10 pm-11:42 pm

3 stops39h 32m

$1,935

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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

Have a flexible travel schedule? Discover the best time to fly to Port Louis 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Port Louis

What is the cheapest time of day to fly from STL to MRU?

Find hourly flight availability from St. Louis to Port Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from St. Louis to Port Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Port Louis. 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 Port Louis?

    There are many flights that can get you from St. Louis to Port Louis in 31h 05m. Fly via Air Canada or Lufthansa to get the fastest option. The distance from St. Louis to Port Louis is about 10149 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Port Louis 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 Port Louis?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Port Louis (average of $1,173). Flying from St. Louis to Port Louis in July is currently the most expensive (average of $1,907). 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

Traveling to a place near Port Louis?

Book flights to Port Louis if you plan to visit one of these locations
Belle Mare
Flic en Flac
Pointe aux Piments
Balaclava
Le Morne
Trou d'Eau Douce
Grand Baie

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