$46 Cheap Flights to Silex, MO

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Today's featured flight deals to Silex

Nonstop
Carry-on included
Lower price than typical

How much is the cheapest flight to Silex?

Prices were available within the past 7 days and start at $46 for one-way flights and $91 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Sep 30 - Wed, Oct 1
ORD
Chicago
STL
St. Louis
$91 Roundtrip, just found
$91
Roundtrip
just found
Select United flight, departing Tue, Sep 30 from Chicago to St. Louis, returning Wed, Oct 1, priced at $91 just found
Frontier Airlines
Thu, Aug 7 - Sun, Aug 24
DFW
Dallas
STL
St. Louis
$100 Roundtrip, found 4 days ago
$100
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Aug 7 from Dallas to St. Louis, returning Sun, Aug 24, priced at $100 found 4 days ago
Southern Airways Express
Sat, Aug 9 - Mon, Aug 11
ORD
Chicago
UIN
Quincy
$118 Roundtrip, found 1 hour ago
$118
Roundtrip
found 1 hour ago
Select Southern Airways Express flight, departing Sat, Aug 9 from Chicago to Quincy, returning Mon, Aug 11, priced at $118 found 1 hour ago
Southwest Airlines
Tue, Oct 7 - Tue, Oct 14
DAL
Dallas
STL
St. Louis
$128 Roundtrip, found 3 days ago
$128
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Oct 7 from Dallas to St. Louis, returning Tue, Oct 14, priced at $128 found 3 days ago
Spirit Airlines
Sun, Aug 24 - Thu, Aug 28
LAX
Los Angeles
STL
St. Louis
$151 Roundtrip, found 10 hours ago
$151
Roundtrip
found 10 hours ago
Select Spirit Airlines flight, departing Sun, Aug 24 from Los Angeles to St. Louis, returning Thu, Aug 28, priced at $151 found 10 hours ago

Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL)

August is typically the cheapest month to fly

From $144 - $691 per traveler.

Graph displaying average flight prices per month

Tips to find the cheapest flights to Silex

The cheapest day to fly

Get started finding a cheap flight to Silex on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

September is the cheapest month to fly to Silex. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Silex. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Silex, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Silex

The lowest price for round-trip flights to Silex in 2025 starts from from $91, while one-way tickets start from from $46. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Silex. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Silex

American Airlines, United, Southwest Airlines, Southern Airways Express, Spirit Airlines, Frontier Airlines are just some of the airlines that can typically offer cheap tickets to Silex. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Silex and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Silex, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Silex. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Silex plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Silex

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Silex.

Stopover savings

The cheapest tickets to Silex are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Silex. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Silex for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Silex. Simply download the free Expedia app to your smart device and activate Silex flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Silex. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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

Where can I learn more about changing or canceling my flight to Silex?
Most flights are free to cancel within 24 hours of making the reservation. However, some flights are non-refundable, and you may receive a flight credit from the airline to use for a future booking. For more information, please visit our Customer Service Portal.
How do I find cheap flights to Silex that have flexible change policies?
It's as easy as counting 1-2-3 with Expedia. Firstly, enter your preferred dates and destination and hit "Search." Next step? Check "No change fee" directly below the "Flexible change policies" filter on the top left of your screen. Step 3. Nab a flexible and cheap flight to Silex.
What is the name of Silex's airport?
If you're arriving by plane, you won't have to decide which airport to fly into. Silex has just one -- Lambert-St. Louis Intl. Airport (STL).
What airport is best to fly into Silex?
Situated 45 mi from the downtown area, Lambert-St. Louis Intl. Airport (STL) will likely be your first stop in Silex.
How many airlines fly to Silex?
There are 12 airlines connecting Silex to 64 airports from all over the globe.
How many nonstop flights are there to Silex?
Planning an awesome Silex adventure is child's play when there are 1,371 nonstop flights each week to choose from.
Where are the most popular flights to Silex departing from?
Flights to Silex departing from Chicago, New York and Dallas airports are the most in demand.
How long is the flight to Silex Airport?
If it's Chicago you're departing, you'll be midair for around 1 hour and 15 minutes before you arrive in Silex. Runway to runway from Queens Village takes approximately 2 hours and 51 minutes and from Denver, the flight time is 1 hour and 59 minutes.
How to book the cheapest flight to Silex?
Don't leave booking your flight to Silex until the last moment. That's one trick well-versed travelers use to get the best deals. Booking well in advance means more options and more affordable flights. Don't stop there, however. Do some research and check if there are a few airports at your destination. Ticket prices often differ depending on which airport you fly into. Be sure to compare fares across airlines too. Last but not least, another easy way to save a few dollars is be ready to book fast. If you see a terrific bargain, don't hold off --- snap it up while you've got the chance.
How to survive the flight to Silex?
Depending on where you're coming from, your trip to Silex could be completely painless or it could go on forever. Here are some handy hints that will help you start your next big adventure on the right foot.What to pack in your hand luggage:

  • First of all, put in your passport, official ID, credit cards and vital medications. Next, you'll want some entertainment to while away the time. A juicy book and a laptop filled with your favorite shows are some great options. If you plan to take a quick snooze, a comfy neck pillow and some noise-canceling headphones will also be useful. Finally, make room for a few toiletry items to ensure you step off the plane feeling fresh as a daisy.

Do not pack the following items in your hand luggage:

  • While the list of prohibited items differs between air carriers, the general rule of thumb is avoid carrying anything sharp, flammable or explosive. This includes tools, metal cutlery, spray paint and flares. Sporting equipment like bows and arrows, and items that could injure passengers, such as firearms and ammunition, won't be allowed on board either.

What to wear on a flight:

  • The long, narrow aisles of your plane are no place for a fashion parade. Layer yourself up with comfortable clothes and pack a cardigan as it tends to get cool in the cabin during long-haul flights. Closed-toed, flat shoes are also a good idea.
  • Unfortunately, one risk of flying long distances is developing deep vein thrombosis (DVT), a blood clot condition caused by extended periods of inactivity. To prevent this from happening, make the most of every opportunity to wander around the cabin. Compression socks and tights are another easy way to help reduce this risk.

How to get through airport security fast when flying to Silex?
A little pre-planning before you arrive at the airport can make your trip to Silex a piece of cake. Check out our handy hints for a speedy journey through security:

  • Airport security personnel first need to establish that you have a valid passport and matching travel documents before you can proceed any further. Have them close by, ready for inspection.
  • After that, both you and your carry-on bag will be X-rayed. To make the process quick and painless, remove anything that is likely to set the alarm off. Items such as your belt, coat and headphones need to go through the machine.
  • Electronic devices like phones and laptops will also have to go through the machine to be scanned. Don't worry though, you'll be back online before you know it.
  • Remember to remove gels and liquids from your hand luggage. They often need to be sent through the X-ray scanner separately. Each product should be in a container no larger than 3.4 ounces (100 milliliters) and everything must fit inside a single quart-size (one liter), clear zip-lock bag.
  • There's a good chance you'll be required to remove your shoes to be X-rayed, so wearing slip-on shoes is always a wise idea.
  • Airlines won't allow any sharp or pointed objects to come on board with you. If you must bring these kinds of items, pack them in your checked baggage.

Flights to Silex information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Roundtrip price
$91

Trending flights to Silex

Prices were available within the past 7 days and start at $46 for one-way flights and $91 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, Aug 6 - Sat, Aug 9
MCO
Orlando
STL
St. Louis
$106 Roundtrip, found 1 hour ago
$106
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, Aug 6 from Orlando to St. Louis, returning Sat, Aug 9, priced at $106 found 1 hour ago

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