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Cheap flights from St. Louis to Port Louis from $1,567

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 11/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:05 pm - 6:35 amSTL-MRU
28h 30m2 stops
Multiple Airlines Logo
4:25 pm - 3:29 pmMRU-STL
33h 04m2 stops
$1,567Multiple Airlines
Find Deal
jue., nov. 27 - jue., dic. 4
Multiple Airlines Logo
4:05 pm - 9:10 amSTL-MRU
31h 05m2 stops
Multiple Airlines Logo
4:25 pm - 3:29 pmMRU-STL
33h 04m2 stops
$1,601Multiple Airlines
Find Deal
mar., nov. 11 - mar., nov. 18
Multiple Airlines Logo
4:05 pm - 6:35 amSTL-MRU
28h 30m2 stops
Multiple Airlines Logo
4:25 pm - 3:40 pmMRU-STL
33h 15m3 stops
$1,627Multiple Airlines
Find Deal
jue., nov. 27 - jue., dic. 4
Multiple Airlines Logo
11:05 am - 7:10 amSTL-MRU
34h 05m3 stops
Multiple Airlines Logo
10:20 am - 11:33 pmMRU-STL
47h 13m2 stops
$1,854Multiple Airlines
Find Deal
lun., dic. 22 - mié., dic. 31
Lufthansa Logo
6:35 pm - 8:40 amSTL-MRU
28h 05m3 stops
Lufthansa Logo
8:50 am - 9:43 pmMRU-STL
46h 53m3 stops
$1,887Lufthansa
Find Deal
lun., dic. 22 - mié., dic. 31
Multiple Airlines Logo
11:05 am - 9:10 amSTL-MRU
36h 05m3 stops
Multiple Airlines Logo
4:25 pm - 3:29 pmMRU-STL
33h 04m2 stops
$1,967Multiple Airlines
Find Deal
mar., nov. 11 - mar., nov. 18
KLM Logo
1:55 pm - 8:20 amSTL-MRU
32h 25m2 stops
KLM Logo
10:40 am - 4:35 pmMRU-STL
39h 55m2 stops
$2,000KLM
Find Deal
sáb., nov. 29 - mié., dic. 3
Air Canada Logo
10:00 am - 9:10 amSTL-MRU
37h 10m3 stops
Air Canada Logo
4:25 pm - 3:40 pmMRU-STL
33h 15m3 stops
$2,026Air Canada
Find Deal
jue., nov. 27 - jue., dic. 4
Lufthansa Logo
12:44 pm - 2:30 pmSTL-MRU
39h 46m3 stops
Lufthansa Logo
6:10 pm - 5:03 pmMRU-STL
32h 53m3 stops
$2,198Lufthansa
Find Deal
sáb., nov. 29 - mié., dic. 3
Air Canada Logo
12:31 pm - 9:10 amSTL-MRU
34h 39m3 stops
Air Canada Logo
4:25 pm - 2:24 pmMRU-STL
31h 59m3 stops
$2,388Air Canada
Find Deal
mar., nov. 11 - mar., nov. 18

Lufthansa flights from St. Louis to Port Louis

Our best Lufthansa deals on St. Louis to Port Louis flight tickets
Lufthansa
Dec 22
STL6:35 pmLambert-St Louis
28h 05m
3 stops
MRU8:40 amPort Louis Sir Seewoosagur Ram.
Dec 31
MRU8:50 amPort Louis Sir Seewoosagur Ram.
46h 53m
3 stops
STL9:43 pmLambert-St Louis
$1,887
Find similar
Lufthansa
Nov 29
STL12:44 pmLambert-St Louis
39h 46m
3 stops
MRU2:30 pmPort Louis Sir Seewoosagur Ram.
Dec 3
MRU6:10 pmPort Louis Sir Seewoosagur Ram.
32h 53m
3 stops
STL5:03 pmLambert-St Louis
$2,198
Find similar
Lufthansa
Nov 29
STL1:10 pmLambert-St Louis
39h 20m
3 stops
MRU2:30 pmPort Louis Sir Seewoosagur Ram.
Dec 3
MRU6:10 pmPort Louis Sir Seewoosagur Ram.
32h 53m
3 stops
STL5:03 pmLambert-St Louis
$2,702
Find similar

Air Canada flights from St. Louis to Port Louis

Our best Air Canada deals on St. Louis to Port Louis flight tickets
Air Canada
Nov 27
STL10:00 amLambert-St Louis
37h 10m
3 stops
MRU9:10 amPort Louis Sir Seewoosagur Ram.
Dec 4
MRU4:25 pmPort Louis Sir Seewoosagur Ram.
33h 15m
3 stops
STL3:40 pmLambert-St Louis
$2,026
Find similar
Air Canada
Nov 11
STL12:31 pmLambert-St Louis
34h 39m
3 stops
MRU9:10 amPort Louis Sir Seewoosagur Ram.
Nov 18
MRU4:25 pmPort Louis Sir Seewoosagur Ram.
31h 59m
3 stops
STL2:24 pmLambert-St Louis
$2,388
Find similar

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 octubre 14, 2025.
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

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

jue. 11/27

4:05 pm-6:35 am

2 stops28h 30m

Port Louis Sir Seewoosagur Ram.

jue. 12/4

4:25 pm-3:29 pm

2 stops33h 04m

$1,567

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

mar. 11/11

4:05 pm-9:10 am

2 stops31h 05m

Port Louis Sir Seewoosagur Ram.

mar. 11/18

4:25 pm-3:29 pm

2 stops33h 04m

$1,601

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

jue. 11/27

4:05 pm-6:35 am

2 stops28h 30m

Port Louis Sir Seewoosagur Ram.

jue. 12/4

4:25 pm-3:40 pm

3 stops33h 15m

$1,627

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

lun. 12/22

11:05 am-7:10 am

3 stops34h 05m

Port Louis Sir Seewoosagur Ram.

mié. 12/31

10:20 am-11:33 pm

2 stops47h 13m

$1,854

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

lun. 12/22

6:35 pm-8:40 am

3 stops28h 05m

Port Louis Sir Seewoosagur Ram.

mié. 12/31

8:50 am-9:43 pm

3 stops46h 53m

$1,887

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

mar. 11/11

11:05 am-9:10 am

3 stops36h 05m

Port Louis Sir Seewoosagur Ram.

mar. 11/18

4:25 pm-3:29 pm

2 stops33h 04m

$1,967

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

sáb. 11/29

1:55 pm-8:20 am

2 stops32h 25m

Port Louis Sir Seewoosagur Ram.

mié. 12/3

10:40 am-4:35 pm

2 stops39h 55m

$2,000

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

jue. 11/27

10:00 am-9:10 am

3 stops37h 10m

Port Louis Sir Seewoosagur Ram.

jue. 12/4

4:25 pm-3:40 pm

3 stops33h 15m

$2,026

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

sáb. 11/29

12:44 pm-2:30 pm

3 stops39h 46m

Port Louis Sir Seewoosagur Ram.

mié. 12/3

6:10 pm-5:03 pm

3 stops32h 53m

$2,198

St. LouisPort Louis

STL - MRU

STLMRU

Lambert-St Louis

mar. 11/11

12:31 pm-9:10 am

3 stops34h 39m

Port Louis Sir Seewoosagur Ram.

mar. 11/18

4:25 pm-2:24 pm

3 stops31h 59m

$2,388

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

Direct flights

None
There are no direct flights from St. Louis to Port Louis. There are no popular flight routes from St. Louis to Port Louis.
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  • 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 28h 05m.

  • 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.

  • 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
Grand Baie
Belle Mare
Balaclava
Trou Aux Biches
Bel Ombre
Mont Choisy
Pointe aux Piments
Cap Malheureux
Trou d'Eau Douce

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?

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