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$404+ Cheap flights from St. Louis (STL) to Sicily

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CTA
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from St. Louis to Sicily

Keep the following information in mind while searching for St. Louis to Sicily flight deals. Data was last updated julio 31, 2025.

Round-trip from

$782
(Booking.com)

One-way from

$404
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,305
From Lambert-St Louis to Sicily
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One-way flight from Lambert-St Louis to Sicily
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Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from St. Louis to Sicily

Cheapest flights from St. Louis to Sicily
Explore the most affordable flight options available from St. Louis to Sicily. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This Booking.com deal was found by Cheapflights users on 7/29. 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.
mar. 10/74:05 pmSTL - CTA
2 stops20h 25mMultiple Airlines
mié. 10/156:00 amCTA - STL
2 stops40h 44mMultiple Airlines
Deal found 7/29$782
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/112:25 pmSTL - CTA
2 stops28h 05mLufthansa
mié. 10/156:00 amCTA - STL
2 stops16h 44mLufthansa
Deal found 7/30$785
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/56:40 amSTL - CTA
2 stops18h 15mDelta
lun. 8/118:55 amCTA - STL
2 stops21h 27mDelta
Deal found 7/28$1,304
This Air Canada deal was found by Cheapflights users on 7/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/74:05 pmSTL - CTA
2 stops20h 25mAir Canada
mié. 10/157:05 amCTA - STL
3 stops34h 44mAir Canada
Deal found 7/29$1,358
This Austrian Airlines deal was found by Cheapflights users on 7/31. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/1311:25 amSTL - CTA
2 stops19h 35mAustrian Airlines
sáb. 8/162:50 pmCTA - STL
2 stops34h 17mAustrian Airlines
Deal found 7/31$2,806

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Sicily 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 julio 31, 2025.
Use the filters below to find and compare flights from St. Louis to Sicily that are best for you.

Fly from

St. Louis

Fly to

Sicily

Route

Depart

Return

Price

St. LouisCatania

STL - CTA

STLCTA

Lambert-St Louis

mar. 10/7

4:05 pm-7:30 pm

2 stops20h 25m

Catania Fontanarossa

mié. 10/15

6:00 am-3:44 pm

2 stops40h 44m

$782

St. LouisCatania

STL - CTA

STLCTA

Lambert-St Louis

mié. 10/1

12:25 pm-11:30 pm

2 stops28h 05m

Catania Fontanarossa

mié. 10/15

6:00 am-3:44 pm

2 stops16h 44m

$785

St. LouisCatania

STL - CTA

STLCTA

Lambert-St Louis

mar. 10/7

4:05 pm-7:30 pm

2 stops20h 25m

Catania Fontanarossa

mié. 10/15

7:05 am-10:49 am

3 stops34h 44m

$1,358

St. LouisCatania

STL - CTA

STLCTA

Lambert-St Louis

mié. 8/13

11:25 am-2:00 pm

2 stops19h 35m

Catania Fontanarossa

sáb. 8/16

2:50 pm-6:07 pm

2 stops34h 17m

$2,806

St. LouisCatania

STL - CTA

STLCTA

Lambert-St Louis

vie. 8/8

7:29 pm-9:40 am

3 stops55h 11m

$404

St. LouisCatania

STL - CTA

STLCTA

Lambert-St Louis

vie. 8/8

7:59 pm-5:15 pm

2 stops38h 16m

$505

St. LouisCatania

STL - CTA

STLCTA

Lambert-St Louis

vie. 8/8

11:18 am-12:00 pm

2 stops17h 42m

$537

St. LouisCatania

STL - CTA

STLCTA

Lambert-St Louis

vie. 8/8

3:30 pm-4:00 pm

1 stop17h 30m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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

Have a flexible travel schedule? Discover the best time to fly to Sicily 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 Sicily

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

Find hourly flight availability from St. Louis to Sicily. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

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

How much does it cost to fly round-trip from St. Louis to Sicily?

Reviews of airlines servicing Sicily

Get insights into the airlines that provide service to Sicily. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sicily. Reviews last updated julio 31, 2025.
Read through reviews of airlines operating flights from St. Louis to Sicily, such as KLM, Austrian Airlines, and Air Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Austrian Airlines
7.6
Good
823 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,851 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Iberia
7.0
Good
2,859 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,275 reviews
KLM
7.8
Good
1,383 reviews

Entertainment

7.1

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

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

  • What airport do you fly from for flights from St. Louis to Sicily?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Sicily.

  • What are the cheapest airlines to fly from St. Louis to Sicily one-way?

    For one-way options, check prices for Iberia. According to our data, you can fly for as low as $505. Users have also found prices from $537 and $624 on KLM and Lufthansa, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Sicily (average of $667). Flying from St. Louis to Sicily in June is currently the most expensive (average of $1,317). 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

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Alternative routes for St. Louis to Sicily

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from St. Louis to Sicily

Discover the top 2 airlines that operate flights from St. Louis to Sicily. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$803Average$1,308FlexibilityNo cancel feeOn-time76%
DeltaCheapest$1,033Average$1,328FlexibilityNo cancel feeOn-timeN/A

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