$386 Cheap Flights from St. Louis (STL) to Augusta (AUG)

View $386 flight on Tue, Nov 4, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Augusta, ME (AUG-Augusta State)

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Cheap Flights from St. Louis to Augusta (STL-AUG)

Prices were available within the past 7 days and start at $386 for one-way flights and $526 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Feb 10 - Mon, Feb 23
STL
St. Louis
AUG
Augusta
$526 Roundtrip, found 2 days ago
$526
Roundtrip
found 2 days ago
Select United flight, departing Tue, Feb 10 from St. Louis to Augusta, returning Mon, Feb 23, priced at $526 found 2 days ago
United
Sat, Feb 14 - Mon, Feb 23
STL
St. Louis
AUG
Augusta
$530 Roundtrip, found 2 days ago
$530
Roundtrip
found 2 days ago
Select United flight, departing Sat, Feb 14 from St. Louis to Augusta, returning Mon, Feb 23, priced at $530 found 2 days ago
Delta
Thu, Jan 1 - Tue, Jan 20
STL
St. Louis
AUG
Augusta
$534 Roundtrip, found 2 days ago
$534
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Jan 1 from St. Louis to Augusta, returning Tue, Jan 20, priced at $534 found 2 days ago
United
Wed, Feb 11 - Mon, Feb 23
STL
St. Louis
AUG
Augusta
$536 Roundtrip, found 2 days ago
$536
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 11 from St. Louis to Augusta, returning Mon, Feb 23, priced at $536 found 2 days ago
United
Wed, Feb 11 - Fri, Feb 20
STL
St. Louis
AUG
Augusta
$540 Roundtrip, found 2 days ago
$540
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 11 from St. Louis to Augusta, returning Fri, Feb 20, priced at $540 found 2 days ago
Delta
Wed, Dec 31 - Sun, Jan 18
STL
St. Louis
AUG
Augusta
$544 Roundtrip, found 2 days ago
$544
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Dec 31 from St. Louis to Augusta, returning Sun, Jan 18, priced at $544 found 2 days ago
United
Thu, Dec 25 - Thu, Jan 8
STL
St. Louis
AUG
Augusta
$546 Roundtrip, found 2 days ago
$546
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 25 from St. Louis to Augusta, returning Thu, Jan 8, priced at $546 found 2 days ago
United
Tue, Feb 10 - Sat, Feb 28
STL
St. Louis
AUG
Augusta
$547 Roundtrip, found 2 days ago
$547
Roundtrip
found 2 days ago
Select United flight, departing Tue, Feb 10 from St. Louis to Augusta, returning Sat, Feb 28, priced at $547 found 2 days ago
United
Thu, Nov 27 - Thu, Dec 11
STL
St. Louis
AUG
Augusta
$550 Roundtrip, found 2 days ago
$550
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 27 from St. Louis to Augusta, returning Thu, Dec 11, priced at $550 found 2 days ago
United
Sat, Feb 14 - Sat, Feb 28
STL
St. Louis
AUG
Augusta
$551 Roundtrip, found 2 days ago
$551
Roundtrip
found 2 days ago
Select United flight, departing Sat, Feb 14 from St. Louis to Augusta, returning Sat, Feb 28, priced at $551 found 2 days ago

Alternative airports near Augusta

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Augusta State AUG. Cheapest and Closest option available. Average driving time to city center is 2 minutes. Flights from $676
AUG
Augusta State
CheapestClosest
Average driving time to city center2 min
Flights from $676

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Augusta State Airport (AUG) cost?
Grab a cheap one-way flight from $386 or cheap return flight from $526 from Lambert-St. Louis Intl. Airport (STL) to Augusta State Airport (AUG) 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 Lambert-St. Louis Intl. Airport (STL) to Augusta State Airport (AUG)?
The cheapest month to fly from STL to AUG is February, when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Augusta State Airport (AUG)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from STL to AUG. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Augusta State Airport (AUG)?
There are no daily direct flights from Lambert-St. Louis Intl. Airport (STL) to Augusta State Airport (AUG). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from STL to AUG?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Augusta State Airport (AUG)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Augusta State Airport (AUG) route, aim to fly before 3 PM. Departures after this hour are 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 Lambert-St. Louis Intl. Airport (STL) to Augusta State Airport (AUG) last-minute?
Holding off until right before your break to book your flight from STL to AUG often results in higher prices. While it's possible to find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book a STL to AUG flight and hotel package?
You can save money by securing a STL to AUG flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your ideal flights and accommodations, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Augusta State Airport (AUG)?
Typically, you can reschedule or cancel your STL to AUG flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, visit our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Augusta State
Roundtrip price
$525
Distance
1127 mi

Book with confidence

St. Louis to Augusta Flights

The cheapest times to fly from St. Louis to Augusta

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 St. Louis to Augusta are during the month of February. You can find some of the cheapest flights from St. Louis to Augusta with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Augusta: 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 St. Louis to Augusta

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 St. Louis to Augusta in 2025. You can also book with separate airlines for your outbound and return journeys, from $386 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 St. Louis to Augusta 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 St. Louis to Augusta 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.

 

St. Louis to Augusta Flights

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*Available to One Key members.