Cheap Flights to St Louis City County from $49

The cheapest month to fly to St Louis City County is August when demand is low. Off-peak months are often when you'll find cheap flights. To keep costs down, avoid flying during school breaks and public holidays.

Typically, Chicago, Dallas and Denver have cheap flights to St Louis City County. However, being flexible is the secret to scoring a bargain. Book midweek or during the low season to keep costs down.

You can fly to St Louis City County directly from 55 US cities. To find a nonstop route, use the "Direct flights only" filter when looking for flights to St Louis City County on Expedia. Then, explore the options and find the best departure out of any of these cities:

• Chicago
• Dallas
• Denver
• New York
• Atlanta

Making travel plans in the low season and booking ahead of time are two of the best ways to snag cheap flights to St Louis City County. Or, consider flying on a Thursday, which, on average, is 16% cheaper than leaving on a Sunday.* Want to be the first to know as soon as fares drop? Set up price tracking on the Expedia app to get real-time updates.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

It's possible to get good deals on last-minute flights to St Louis City County, especially if your travel arrangements are flexible. Think about leaving from a different airport, tweaking your trip dates or selecting an alternative airline to get a cheap flight to St Louis City County.

Book your flight to St Louis City County two to four months ahead if you're flying in from an international destination. For domestic travel, the general guideline is 28 days in advance. Lower prices and a wider variety of departure dates, times and seating options are just some of the advantages of booking early.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You can generally find cheap flights to St Louis City County on Sundays. You'll save around 8% on average compared to booking on a Friday, which is often the most expensive day for tickets.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

There are two carriers that travel to St Louis City County. Pack your suitcase and lock in a fare with either of these:

• American Airlines - 927 flights to St Louis City County each month, including 927 flights to Lambert-St. Louis Intl. Airport (STL) per month.
• Delta Air Lines - 637 flights to St Louis City County each month, including 637 flights to Lambert-St. Louis Intl. Airport (STL) per month.

Bundle your flight and hotel and you could save hundreds of dollars. Better still, you can add extras like car rentals and tours to your St Louis City County, Missouri flight and hotel package deal. With Expedia, it's a breeze to look after all your St Louis City County travel arrangements in one place.

If you reserved your flight to St Louis City County within the last 24 hours, you can usually change or cancel it without fees. After that, extra charges may apply depending on the airline's rules and restrictions. To learn more, check out our Customer Service Portal. Bear in mind that some flights are non-refundable, so you may receive a credit for future travel instead of a direct refund. When browsing on Expedia, use the "No cancel fee" or "Changes included" boxes to see tickets with flexible change policies.