Cheap Flights from Ipiales (IPI) to St. Louis (STL)

Popular airlines from Ipiales (IPI-San Luis) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Ipiales to St. Louis (IPI-STL)

Prices were available within the past 7 days and start at for one-way flights and $7,349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Wed, Oct 1 - Tue, Oct 21
IPI
Ipiales
STL
St. Louis
$7,349 Roundtrip, found 5 days ago
$7,349
Roundtrip
found 5 days ago
Select avianca flight, departing Wed, Oct 1 from Ipiales to St. Louis, returning Tue, Oct 21, priced at $7,349 found 5 days ago

Frequently asked questions

How much does a flight from Ipiales (IPI-San Luis) to Lambert-St. Louis Intl. Airport (STL) cost?
Grab a cheap one-way flight or cheap return flight from $7,349 from Ipiales (IPI-San Luis) 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 Ipiales (IPI-San Luis) to Lambert-St. Louis Intl. Airport (STL)?
Traveling in October can help you save, as it's the cheapest month for flights between IPI and STL. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Ipiales (IPI-San Luis) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline flying from IPI to STL, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Ipiales (IPI-San Luis) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to catch a flight with a layover when traveling from Ipiales (IPI-San Luis) to Lambert-St. Louis Intl. Airport (STL). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from IPI to STL?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ipiales (IPI-San Luis) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Ipiales (IPI-San Luis) to Lambert-St. Louis Intl. Airport (STL) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Ipiales (IPI-San Luis) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your flight from IPI to STL right before your trip is usually more expensive. However, if you're flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book an IPI to STL flight and hotel package?
Opting for an IPI to STL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ipiales (IPI-San Luis) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your IPI to STL flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
San Luis
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$7,349
Distance
2738 mi

Book with confidence

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Ipiales to St. Louis Flights

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

 

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

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

 

Ipiales to St. Louis Flights

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*Available to One Key members.