$568 Cheap Flights from Tunis (TUN) to St. Louis (STL)

View $568 flight on Tue, Sep 23, 2025Opens in a new window

Popular airlines from Tunis - Carthage Intl. Airport (TUN) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Tunis to St. Louis (TUN-STL)

Prices were available within the past 7 days and start at $568 for one-way flights and $877 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Oct 22 - Fri, Nov 7
TUN
Tunis
STL
St. Louis
$877 Roundtrip, found 5 days ago
$877
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Oct 22 from Tunis to St. Louis, returning Fri, Nov 7, priced at $877 found 5 days ago
Lufthansa
Wed, Oct 22 - Sun, Nov 9
TUN
Tunis
STL
St. Louis
$880 Roundtrip, found 5 days ago
$880
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Oct 22 from Tunis to St. Louis, returning Sun, Nov 9, priced at $880 found 5 days ago
Lufthansa
Wed, Oct 22 - Mon, Nov 10
TUN
Tunis
STL
St. Louis
$881 Roundtrip, found 5 days ago
$881
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Oct 22 from Tunis to St. Louis, returning Mon, Nov 10, priced at $881 found 5 days ago
Delta
Mon, Dec 8 - Mon, Jun 8
TUN
Tunis
STL
St. Louis
$889 Roundtrip, found 9 hours ago
$889
Roundtrip
found 9 hours ago
Select Delta flight, departing Mon, Dec 8 from Tunis to St. Louis, returning Mon, Jun 8, priced at $889 found 9 hours ago
Delta
Mon, Dec 8 - Mon, Jun 8
TUN
Tunis
STL
St. Louis
$889 Roundtrip, found 9 hours ago
$889
Roundtrip
found 9 hours ago
Select Delta flight, departing Mon, Dec 8 from Tunis to St. Louis, returning Mon, Jun 8, priced at $889 found 9 hours ago
Delta
Wed, Oct 22 - Thu, Nov 6
TUN
Tunis
STL
St. Louis
$891 Roundtrip, found 5 days ago
$891
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Oct 22 from Tunis to St. Louis, returning Thu, Nov 6, priced at $891 found 5 days ago
Lufthansa
Wed, Oct 22 - Sat, Nov 1
TUN
Tunis
STL
St. Louis
$892 Roundtrip, found 5 days ago
$892
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Oct 22 from Tunis to St. Louis, returning Sat, Nov 1, priced at $892 found 5 days ago
Air France
Mon, Dec 8 - Mon, Jun 8
TUN
Tunis
STL
St. Louis
$917 Roundtrip, found 9 hours ago
$917
Roundtrip
found 9 hours ago
Select Air France flight, departing Mon, Dec 8 from Tunis to St. Louis, returning Mon, Jun 8, priced at $917 found 9 hours ago
KLM
Thu, Oct 23 - Sun, Oct 26
TUN
Tunis
STL
St. Louis
$948 Roundtrip, found 2 days ago
$948
Roundtrip
found 2 days ago
Select KLM flight, departing Thu, Oct 23 from Tunis to St. Louis, returning Sun, Oct 26, priced at $948 found 2 days ago
Royal Jordanian
Thu, Sep 18 - Mon, Sep 22
TUN
Tunis
STL
St. Louis
$1,403 Roundtrip, found 3 days ago
$1,403
Roundtrip
found 3 days ago
Select Royal Jordanian flight, departing Thu, Sep 18 from Tunis to St. Louis, returning Mon, Sep 22, priced at $1,403 found 3 days ago
Flights from Tunis (TUN) to St. Louis (STL)
Origin airport
Tunis - Carthage Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$876
Distance
5174 mi

Tunis to St. Louis Flights

The cheapest times to fly from Tunis to St. Louis

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

 

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

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

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 Tunis to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $568 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 Tunis to St. Louis 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 Tunis to St. Louis 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.

 

Frequently asked questions

How much does a flight from Tunis - Carthage Intl. Airport (TUN) to Lambert-St. Louis Intl. Airport (STL) cost?
Snag a cheap one-way flight from $568 or cheap return flight from $877 from Tunis - Carthage Intl. Airport (TUN) to Lambert-St. Louis Intl. Airport (STL) 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 Tunis - Carthage Intl. Airport (TUN) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from TUN to STL is October, when there's less demand. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Tunis - Carthage Intl. Airport (TUN) to Lambert-St. Louis Intl. Airport (STL)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from TUN to STL. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Tunis - Carthage Intl. Airport (TUN) to Lambert-St. Louis Intl. Airport (STL)?
Nonstop flights from Tunis - Carthage Intl. Airport (TUN) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from TUN to STL?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tunis - Carthage Intl. Airport (TUN) to Lambert-St. Louis Intl. Airport (STL)?
To land at Lambert-St. Louis Intl. Airport (STL) without delays, book a flight that leaves from Tunis - Carthage Intl. Airport (TUN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Tunis - Carthage Intl. Airport (TUN) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your flight from TUN to STL shortly before your journey is generally more expensive. But if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a TUN to STL flight and hotel package?
You can save money by booking a TUN to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your ideal accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Tunis - Carthage Intl. Airport (TUN) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your TUN to STL flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.