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Cheap flights from St. Louis to Port Louis from $1,776

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Port Louis departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Port Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:05 pm - 8:00 amSTL  Lambert-St Louis-MRU Port Louis Sir Seewoosagur Ram.
29h 55m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
10:20 am - 10:00 pmMRU  Port Louis Sir Seewoosagur Ram.-STL Lambert-St Louis
45h 40m2 stops Vienna Intl Newark
$1,776Multiple Airlines
Mon, Nov 2 - Thu, Nov 12
Austrian Airlines Logo
1:08 pm - 8:40 amSTL  Lambert-St Louis-MRU Port Louis Sir Seewoosagur Ram.
57h 32m3 stops Chicago O'Hare Intl Brussels Bruxelles-National Vienna Intl
Austrian Airlines Logo
10:20 am - 4:59 pmMRU  Port Louis Sir Seewoosagur Ram.-STL Lambert-St Louis
40h 39m2 stops Vienna Intl Chicago O'Hare Intl
$1,804Austrian Airlines
Mon, Nov 2 - Thu, Nov 12
Multiple Airlines Logo
6:10 am - 10:55 amSTL  Lambert-St Louis-MRU Port Louis Sir Seewoosagur Ram.
42h 45m2 stops Cancun Paris Orly
Multiple Airlines Logo
8:40 am - 1:45 pmMRU  Port Louis Sir Seewoosagur Ram.-STL Lambert-St Louis
39h 05m1 stop Frankfurt am Main
$4,291Multiple Airlines
Mon, Nov 2 - Thu, Nov 12
Multiple Airlines Logo
8:55 am - 9:25 amSTL  Lambert-St Louis-MRU Port Louis Sir Seewoosagur Ram.
39h 30m2 stops Toronto Pearson Intl Dubai Intl
Multiple Airlines Logo
4:15 pm - 2:00 pmMRU  Port Louis Sir Seewoosagur Ram.-STL Lambert-St Louis
30h 45m2 stops Dubai Intl Toronto Pearson Intl
$7,797Multiple Airlines
Sun, Oct 11 - Mon, Oct 19
Multiple Airlines Logo
8:55 am - 9:25 amSTL  Lambert-St Louis-MRU Port Louis Sir Seewoosagur Ram.
39h 30m2 stops Toronto Pearson Intl Dubai Intl
Multiple Airlines Logo
4:15 pm - 2:00 pmMRU  Port Louis Sir Seewoosagur Ram.-STL Lambert-St Louis
30h 45m2 stops Dubai Intl Toronto Pearson Intl
$7,798Multiple Airlines
Sun, Oct 11 - Mon, Oct 19
Emirates Logo
2:40 pm - 9:25 amSTL  Lambert-St Louis-MRU Port Louis Sir Seewoosagur Ram.
57h 45m2 stops Toronto Pearson Intl Dubai Intl
Emirates Logo
6:30 pm - 2:00 pmMRU  Port Louis Sir Seewoosagur Ram.-STL Lambert-St Louis
28h 30m2 stops Dubai Intl Toronto Pearson Intl
$7,902Emirates
Sun, Oct 11 - Mon, Oct 19
Lufthansa Logo
7:01 pm - 1:30 pmSTL  Lambert-St Louis-MRU Port Louis Sir Seewoosagur Ram.
57h 29m3 stops Chicago O'Hare Intl Frankfurt am Main Victoria Seychelles Intl
Lufthansa Logo
5:10 pm - 1:25 pmMRU  Port Louis Sir Seewoosagur Ram.-STL Lambert-St Louis
29h 15m2 stops Victoria Seychelles Intl Frankfurt am Main
$18,672Lufthansa
Sun, Oct 11 - Mon, Oct 19
Multiple Airlines Logo
3:30 pm - 8:00 amSTL  Lambert-St Louis-MRU Port Louis Sir Seewoosagur Ram.
55h 30m2 stops Frankfurt am Main Zurich
Multiple Airlines Logo
8:15 am - 1:25 pmMRU  Port Louis Sir Seewoosagur Ram.-STL Lambert-St Louis
38h 10m1 stop Frankfurt am Main
$19,226Multiple Airlines
Sun, Oct 11 - Mon, Oct 19
Multiple Airlines Logo
7:01 pm - 6:05 amSTL  Lambert-St Louis-MRU Port Louis Sir Seewoosagur Ram.
50h 04m2 stops Chicago O'Hare Intl Frankfurt am Main
Multiple Airlines Logo
8:15 am - 1:25 pmMRU  Port Louis Sir Seewoosagur Ram.-STL Lambert-St Louis
38h 10m1 stop Frankfurt am Main
$19,325Multiple Airlines
Sun, Oct 11 - Mon, Oct 19
Multiple Airlines Logo
7:01 pm - 6:05 amSTL  Lambert-St Louis-MRU Port Louis Sir Seewoosagur Ram.
50h 04m2 stops Chicago O'Hare Intl Frankfurt am Main
Multiple Airlines Logo
8:15 am - 1:25 pmMRU  Port Louis Sir Seewoosagur Ram.-STL Lambert-St Louis
38h 10m1 stop Frankfurt am Main
$19,464Multiple Airlines
Sun, Oct 11 - Mon, Oct 19

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Lufthansa flights from St. Louis to Port Louis

Our best Lufthansa deals on St. Louis to Port Louis flight tickets
Lufthansa
Oct 11
STL7:01 pmLambert-St Louis
57h 29m
3 stops
MRU1:30 pmPort Louis Sir Seewoosagur Ram.
Oct 19
MRU5:10 pmPort Louis Sir Seewoosagur Ram.
29h 15m
2 stops
STL1:25 pmLambert-St Louis
$18,672
Lufthansa
Oct 11
STL7:01 pmLambert-St Louis
57h 29m
3 stops
MRU1:30 pmPort Louis Sir Seewoosagur Ram.
Oct 19
MRU5:10 pmPort Louis Sir Seewoosagur Ram.
36h 59m
3 stops
STL9:09 pmLambert-St Louis
$21,305

momondo 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, momondo users made 832,500 searches. Data last updated August 17, 2026.
Use the filters below to find and compare flights from St. Louis to Port Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPort Louis

STL Lambert-St Louis - MRU Port Louis Sir Seewoosagur Ram.

STLMRU

Lambert-St Louis

Mon 11/2

4:05 pm-8:00 am

2 stops29h 55m

Port Louis Sir Seewoosagur Ram.

Thu 11/12

10:20 am-10:00 pm

2 stops45h 40m

$1,776

St. LouisPort Louis

STL Lambert-St Louis - MRU Port Louis Sir Seewoosagur Ram.

STLMRU

Lambert-St Louis

Mon 11/2

1:08 pm-8:40 am

3 stops57h 32m

Port Louis Sir Seewoosagur Ram.

Thu 11/12

10:20 am-4:59 pm

2 stops40h 39m

$1,804

St. LouisPort Louis

STL Lambert-St Louis - MRU Port Louis Sir Seewoosagur Ram.

STLMRU

Lambert-St Louis

Mon 11/2

6:10 am-10:55 am

2 stops42h 45m

Port Louis Sir Seewoosagur Ram.

Thu 11/12

8:40 am-1:45 pm

1 stop39h 05m

$4,291
Quickest round-trip

St. LouisPort Louis

STL Lambert-St Louis - MRU Port Louis Sir Seewoosagur Ram.

STLMRU

Lambert-St Louis

Sun 10/11

8:55 am-9:25 am

2 stops39h 30m

Port Louis Sir Seewoosagur Ram.

Mon 10/19

4:15 pm-2:00 pm

2 stops30h 45m

$7,797

St. LouisPort Louis

STL Lambert-St Louis - MRU Port Louis Sir Seewoosagur Ram.

STLMRU

Lambert-St Louis

Sun 10/11

8:55 am-9:25 am

2 stops39h 30m

Port Louis Sir Seewoosagur Ram.

Mon 10/19

4:15 pm-2:00 pm

2 stops30h 45m

$7,798

St. LouisPort Louis

STL Lambert-St Louis - MRU Port Louis Sir Seewoosagur Ram.

STLMRU

Lambert-St Louis

Sun 10/11

2:40 pm-9:25 am

2 stops57h 45m

Port Louis Sir Seewoosagur Ram.

Mon 10/19

6:30 pm-2:00 pm

2 stops28h 30m

$7,902

St. LouisPort Louis

STL Lambert-St Louis - MRU Port Louis Sir Seewoosagur Ram.

STLMRU

Lambert-St Louis

Sun 10/11

7:01 pm-1:30 pm

3 stops57h 29m

Port Louis Sir Seewoosagur Ram.

Mon 10/19

5:10 pm-1:25 pm

2 stops29h 15m

$18,672

St. LouisPort Louis

STL Lambert-St Louis - MRU Port Louis Sir Seewoosagur Ram.

STLMRU

Lambert-St Louis

Sun 10/11

3:30 pm-8:00 am

2 stops55h 30m

Port Louis Sir Seewoosagur Ram.

Mon 10/19

8:15 am-1:25 pm

1 stop38h 10m

$19,226

St. LouisPort Louis

STL Lambert-St Louis - MRU Port Louis Sir Seewoosagur Ram.

STLMRU

Lambert-St Louis

Sun 10/11

7:01 pm-6:05 am

2 stops50h 04m

Port Louis Sir Seewoosagur Ram.

Mon 10/19

8:15 am-1:25 pm

1 stop38h 10m

$19,325

St. LouisPort Louis

STL Lambert-St Louis - MRU Port Louis Sir Seewoosagur Ram.

STLMRU

Lambert-St Louis

Sun 10/11

7:01 pm-6:05 am

2 stops50h 04m

Port Louis Sir Seewoosagur Ram.

Mon 10/19

8:15 am-1:25 pm

1 stop38h 10m

$19,464

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to Port Louis

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Port Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Port Louis (STL to MRU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Port Louis

Fastest flight time

29h 55m

Direct flights

None
The fastest flight from St. Louis to Port Louis takes 29h 55m
There are no direct flights from St. Louis to Port Louis. There are no popular flight routes from St. Louis to Port Louis.
Search flight deals

Frequently asked questions about flying from St. Louis to Port Louis

  • How far is Lambert-St Louis to Port Louis Sir Seewoosagur Ram. by plane?

    A flight from Lambert-St Louis to Port Louis Sir Seewoosagur Ram. will travel around 10124.0 mi. In terms of flight time, this usually takes a little over 29h 55m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Port Louis Sir Seewoosagur Ram. Airport?

    Prices for flights from Lambert-St Louis Airport to Port Louis Sir Seewoosagur Ram. Airport are updated daily.

  • How old do you have to be to fly from Lambert-St Louis Airport to Port Louis Sir Seewoosagur Ram. Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Port Louis Sir Seewoosagur Ram. Airport.

  • What documentation or ID do you need to fly to Port Louis Sir Seewoosagur Ram. Airport?

    The travel and health documents you'll need for your trip to Port Louis Sir Seewoosagur Ram. Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Port Louis Sir Seewoosagur Ram. Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from St. Louis to Port Louis

  • How do I get Price Alerts for flights from St. Louis to Port Louis?

    Search flight deals from St. Louis to Port Louis. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from St. Louis to Port Louis with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Port Louis?

Book flights to Port Louis if you plan to visit one of these locations
Flic en Flac
Le Morne
Bel Ombre
Grand Baie
Belle Mare
Balaclava
Trou d'Eau Douce
Trou Aux Biches
Cap Malheureux
Mont Choisy
Pointe aux Piments

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Port Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Port Louis for you.

Can I find flights from St. Louis to Port Louis with flexible booking policies on momondo?

Flights from St. Louis to Port Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Port Louis?

momondo provides multiple filters to help you find the best flight to Port Louis from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Port Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Port Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cabin classes currently available on flights to Port Louis

List of cabin classes available on flights landing in Port Louis. Availability may vary depending on flight origin and airline.
First Class to Port Louis
Business Class to Port Louis