Cheap Flights to St. Charles , MO

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Find Your Flights to St. Charles STL

Cheap flights to St. Charles (STL)

Get started finding a cheap flight to St. Charles 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.

We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to St. Charles.

Roundtrip prices range from - , and one-ways to St. Charles start as low as .

Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate.

Airlines that fly to St. Charles (STL)

You have several options for which airline you choose to travel with to St. Charles. There are airlines flying into STL: . 

Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value.

For example, if you plan to check a bag or bring a carry-on, check whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked/carry-on baggage in exchange for a slightly higher airfare. 

Additionally, your preferred frequent flyer membership programs may influence your choice of cheap airline. Expedia allows you to enter your membership numbers during checkout to earn points from your airline and Expedia Rewards—all while getting a great deal and planning all your travel in one online platform.

Find the best deals

At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at the optimal times. Airfare to St. Charles (STL) varies throughout the year based on seasonal demand. You’ll see the lowest rates for roundtrips to STL in and in for one-ways.

Cancellation & flexibility

To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24-hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our customer service portal. Some plane tickets are available with no change fees, which you can filter for during your search.

Frequently asked questions

Where can I learn more about changing or canceling my flight to St. Charles?
For more information about updating your flight to St. Charles or canceling it, head over to our Customer Service Portal.
How do I find cheap flights to St. Charles that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight you select. When you’re searching for flights to St. Charles, you’ll see a “no change fees” filter for you to select.
Can I fly to St. Charles now?
Head to our Covid-19 Travel Advisor to learn about possible travel restrictions to St. Charles before flying in. Everything from quarantine requirements to health authority information is constantly updated here to keep you in the know.
What is the name of St. Charles' airport?
If you’re traveling by plane, you won’t have to think too long which airport to choose. St. Charles has just one – Lambert-St. Louis Intl. Airport (STL).
How far is St. Louis Lambert International Airport from central St. Charles?
It’s 7 mi from Lambert-St. Louis Intl. Airport (STL) to downtown St. Charles. Make things easy by working out the best way of commuting from the airport to the city center before you land.
What airport is best to fly into St. Charles?
Situated 7 mi from the center of town, St. Louis Lambert International Airport is the gateway to St. Charles.
How many airlines fly to St. Charles?
There are a total of 12 air carriers connecting St. Charles with 64 airports from all over the globe.
Which airlines fly to St. Charles?
United Airlines and American Airlines frequently fly into St. Charles. Catching a United Airlines flight from Chicago is one of the most preferred ways to travel there.
How many nonstop flights are there to St. Charles?
With roughly 1,319 direct flights each week, you’ll be arriving in St. Charles before you can say, “Are we there yet?”
Where are the most popular flights to St. Charles departing from?
A large number of flights to St. Charles take off from Chicago, Queens Village and Denver airports.
How long is the flight to St. Charles Airport?
If you’re heading to St. Charles from Chicago, you’ll have a flight duration of 1 hour and 15 minutes. Those setting off from Queens Village can expect to be in the air for 2 hours and 51 minutes. From Denver it’s approximately 1 hour and 59 minutes away.
How to book the cheapest flight to St. Charles?
Don’t leave booking your flight to St. Charles until the last minute. That’s one trick savvy travelers use to get the best prices. Booking in advance means more options and less expensive flights. Don’t stop there, though. Do some research and see if there is more than one airport at your destination. Prices often differ depending on which airport you pick. Remember to compare prices across airlines too. Finally, be ready to lock in your seat quickly if you stumble on a great deal. It might not be available for too long! With a bit of knowledge and a little luck, the ideal airfare can be yours.
How to survive the flight to St. Charles?
If you’re poorly prepared, air travel can be testing. But don’t hit the panic button just yet. Follow these useful tips for a hassle-free start to your time in St. Charles.What to pack in your hand luggage:

  • A plane ride can be a cruisy experience if you carry the right gear. Firstly, you’ll want some toiletry items, such as a toothbrush and hairbrush, a clean pair of socks and a few magazines. Next, find a spot in your carry-on bag for your electronic devices, chargers, any vital medications and perhaps a proper neck pillow too. Last, but definitely not least, don’t forget to take your passport, travel docs and your bank cards.

Do not pack the following items in your hand luggage:

  • Pack all your full-sized bottles of shampoo and hair gel in your checked baggage. Any liquids or gels in your carry-on bag larger than 3.4 ounces (100 milliliters) will be confiscated. Sharp or pointed objects, like a Swiss Army knife, and products which are explosive or flammable, such as aerosols and gasoline, are also not allowed.

What to wear on a flight:

  • The answer to a comfortable flight is often as simple as your choice of clothing. Prepare for temperature changes by layering up. This will keep you nice and warm if the cabin starts to cool down. Shoes like sandals and heels are best left in your suitcase. Even though they may be your favorites, opt for flat, closed-toed footwear like slip-ons. Your feet will thank you later.
  • Unfortunately, one risk of long-haul flights is developing DVT (deep vein thrombosis), a blood clot condition caused by prolonged inactivity. To avoid this, make the most of every opportunity to walk around and give your legs a stretch. Compression tights and socks are another simple way to help minimize this risk.

How to get through airport security fast when flying to St. Charles?
The answer is simple — be prepared. We’ve compiled some helpful hints for an easy trip through security. Look out St. Charles, here you come:

  • Have your travel documents and ID within close reach. They’re the first things you’ll be asked to show at security.
  • Next up, both you and your carry-on luggage must be X-rayed. To make the process quick and painless, take off anything that might trigger the alarms. Personal belongings such as your coat, belt and earphones will be required to go through the machine.
  • All electronic devices, including your phone and tablet, are also required to be scanned separately.
  • Any liquids or gels, such as perfume or hairspray, that you want to take on board must be no larger than 3.4 ounces (100 milliliters). Also, they all must fit inside a quart-size (one liter), zip-lock bag.
  • Lightweight sneakers are a good footwear choice as you’re less likely to be asked to remove them when passing through security. Hiking boots and other bulky shoes are often subjected to extra screening.
  • Take all prohibited items out of your carry-on bag. If you have any sharp or pointed objects, pack them safely away in your checked baggage. They won’t be allowed in the cabin.

Flights to St. Charles information
Destination airport
St. Charles
Destination airport IATA code