Cheap Flights from Long Beach (LGB) to St. Louis (CPS)

Popular airlines from Long Beach Municipal Airport (LGB) to St. Louis, MO (CPS-St. Louis Downtown)

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Flights from Long Beach (LGB) to St. Louis (CPS)
Origin airport
Long Beach Municipal
Destination airport
St. Louis Downtown
Distance
1588 mi

Long Beach to St. Louis Flights

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

The best time to book a flight from Long Beach to St. Louis

Sunday is one of the best days to book for cheap flights from Long Beach 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 Long Beach 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 Long Beach 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 Long Beach 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 Long Beach 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.

Frequently asked questions

Is it cheaper to buy a plane ticket from Long Beach Municipal Airport (LGB) to St. Louis Downtown Airport last minute?
When it comes to booking your flights, it pays to be prepared. While you may be able to find a last-minute deal on a Long Beach Airport to CPS flight, tickets usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international flights it’s between three and four months.
What airports do you fly into for East St. Louis from Long Beach?
With St. Louis Downtown Airport (CPS), Lambert-St. Louis Intl. Airport (STL) and MidAmerica-St. Louis Airport (BLV) to choose from, traveling from Long Beach to East St. Louis is a piece of cake. The city’s busiest terminal, St. Louis Downtown Airport (CPS), is about 2 mi south of the downtown area. Besides the price of tickets, consider factors like the ease of getting from the airport and the distance to your hotel before deciding where you’ll get off the plane. Get your East St. Louis vacation off to a terrific start by discovering Busch Stadium and Gateway Arch.
Can I change the date of my flight from Long Beach Municipal Airport (LGB) to St. Louis Downtown Airport (CPS)?
You can easily make changes to your LGB to St. Louis Downtown Airport trip by logging in to the Expedia Trips portal. Before making any amendments, read the rules in your itinerary to learn what you’re able to do and if fees apply for changes. Some airlines charge a change fee per person, in addition to any difference in fares. But if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also stop by our Customer Service portal for more useful advice and to connect with our Virtual Agent.

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