$6,607 Cheap Flights from El Centro (IPL) to St. Louis (STL)

View $6,607 flight on Sun, Nov 30, 2025Opens in a new window

Popular airlines from El Centro, CA (IPL-Imperial County) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from El Centro to St. Louis (IPL-STL)

Prices were available within the past 7 days and start at $6,607 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Imperial County Airport (IPL) to Lambert-St. Louis Intl. Airport (STL) cost?
Grab a cheap one-way flight from $6,607 or cheap return flight from Imperial County Airport (IPL) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Imperial County Airport (IPL) to Lambert-St. Louis Intl. Airport (STL)?
is the most affordable month to fly from IPL to STL. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Imperial County Airport (IPL) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline that'll fly you from IPL to STL, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Imperial County Airport (IPL) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to book a flight with a layover when traveling from Imperial County Airport (IPL) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from IPL to STL?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Imperial County Airport (IPL) to Lambert-St. Louis Intl. Airport (STL)?
Book a flight from Imperial County Airport (IPL) to Lambert-St. Louis Intl. Airport (STL) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**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 Imperial County Airport (IPL) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from IPL to STL are typically more expensive. To lock in the lowest rates, start searching for flights well ahead of time. That said, if your travel plans are flexible, you may score a cheap ticket right before your trip.
Is it cheaper to book an IPL to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking an IPL to STL flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Imperial County Airport (IPL) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you can reschedule or cancel your IPL to STL flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Origin airport
Imperial County
Destination airport
Lambert-St. Louis Intl.
Distance
1465 mi

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El Centro to St. Louis Flights

The cheapest times to fly from El Centro 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 El Centro to St. Louis are during the month of . You can find some of the cheapest flights from El Centro to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from El Centro to St. Louis

Sunday is one of the best days to book for cheap flights from El Centro 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 El Centro 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 El Centro to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $6,607 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 El Centro 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 El Centro 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.

 

El Centro to St. Louis Flights

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