$34 Cheap Flights to Brentwood, MO

How much is the cheapest flight to Brentwood?

Prices were available within the past 7 days and start at $34 for one-way flights and $67 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines

Tips to find the cheapest flights to Brentwood

The cheapest day to fly

Get started finding a cheap flight to Brentwood 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.

The cheapest month to fly

December is the cheapest month to fly to Brentwood. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Brentwood. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Brentwood, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Brentwood

The lowest price for round-trip flights to Brentwood in 2024 starts from from $67, while one-way tickets start from from $34. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Brentwood. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Brentwood

Frontier Airlines are just some of the airlines that can typically offer cheap tickets to Brentwood. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Brentwood and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Brentwood, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Brentwood. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Brentwood plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Brentwood

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Brentwood.

Stopover savings

The cheapest tickets to Brentwood are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Brentwood. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Brentwood for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Brentwood. Simply download the free Expedia app to your smart device and activate Brentwood flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Brentwood. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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

How do I find cheap flights to Brentwood that have flexible change policies?
When it comes to flying these days, flexibility is crucial. That’s why we have a “No change fee” search function to help you find flexible, affordable flights to Brentwood. It’s to the left of your screen right underneath the “Flexible change policies” heading.
Which airlines fly to Brentwood?
You can choose from two great airlines that travel to or near Brentwood. Pack your bags and jet away with either of these:

  • American Airlines - 927 flights to or near Brentwood each month, including 927 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • United Airlines - 524 flights to or near Brentwood each month, including 524 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to Brentwood?
Book in advance, fly to or from nearby airports, avoid vacation periods — there are loads of ways! Another one is to make use of Expedia’s “flexible dates” function. Search for your Brentwood flight, then check out the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Brentwood was $67.
How much is a flight to Brentwood?
If you were traveling one way from Dallas (DFW), you could’ve locked in a cheap seat for just $34 in the last seven days. Return flights to Brentwood ranged from only $67 to $118 during this same period.
What are the most popular airports to fly into in Brentwood?
Brentwood’s main entryway is Lambert-St. Louis Intl. Airport (STL). Get your amazing adventure underway by securing an airfare on one of the 5,604 flights per month to this destination.
When is the cheapest time to fly to Brentwood?
If you’re not set on what date you travel to Brentwood, fly out early in the week. The cheapest day to take off is generally Tuesday, followed closely by Monday. Saturday is typically the priciest day, with lots of vacationers choosing to take off on the weekend.
How much is a plane ticket to Brentwood?
Flights to Brentwood varied from $67 to $118 in the last seven days. Typically, the quicker you book the better the price.
What months are the cheapest to book a flight to Brentwood?
February is the best month to get your hands on cheap flights to Brentwood. Keep in mind that the priciest time to purchase tickets in the U.S. Isn’t during the peak of summer, but in December.
How long is a flight to Brentwood?
Whether or not you’ll have time to read one chapter of your favorite book or a few depends on where you’re coming from. To give you a rough idea, here are the average flight times for three leading domestic routes to Brentwood:

  • Denver, CO (DEN-Denver Intl.) to Lambert-St. Louis Intl. Airport (STL) - 2 hours and 1 minute
  • Chicago, IL (ORD-O’Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 24 minutes
  • New York, NY (LGA-LaGuardia) to Lambert-St. Louis Intl. Airport (STL) - 2 hours and 51 minutes

Flights to Brentwood information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Roundtrip price
$66

Trending flights to Brentwood

Prices were available within the past 7 days and start at $34 for one-way flights and $67 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
*Available to One Key members.