A historic town with a prominent church steeple, a large brick building, and autumn-colored trees.

$402 Cheap Flights from Sioux Falls (FSD) to Augusta (AUG)

View $402 flight on Thu, Oct 15, 2026Opens in a new window

Popular airlines from Sioux Falls Regional Airport (FSD) to Augusta, ME (AUG-Augusta State)

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Cheap Flights from Sioux Falls to Augusta (FSD-AUG)

Prices were available within the past 7 days and start at $402 for one-way flights and $675 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 15 - Tue, Oct 20
FSD
Sioux Falls
AUG
Augusta
$675 Roundtrip, found 4 days ago
$675
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 15 from Sioux Falls to Augusta, returning Tue, Oct 20, priced at $675 found 4 days ago
American Airlines
Thu, Oct 15 - Tue, Oct 20
FSD
Sioux Falls
AUG
Augusta
$695 Roundtrip, found 4 days ago
$695
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 15 from Sioux Falls to Augusta, returning Tue, Oct 20, priced at $695 found 4 days ago
American Airlines
Thu, Oct 15 - Tue, Oct 20
FSD
Sioux Falls
AUG
Augusta
$710 Roundtrip, found 4 days ago
$710
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 15 from Sioux Falls to Augusta, returning Tue, Oct 20, priced at $710 found 4 days ago
American Airlines
Thu, Oct 15 - Tue, Oct 20
FSD
Sioux Falls
AUG
Augusta
$727 Roundtrip, found 4 days ago
$727
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 15 from Sioux Falls to Augusta, returning Tue, Oct 20, priced at $727 found 4 days ago
American Airlines
Thu, Sep 10 - Sun, Sep 13
FSD
Sioux Falls
AUG
Augusta
$810 Roundtrip, found 21 hours ago
$810
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Thu, Sep 10 from Sioux Falls to Augusta, returning Sun, Sep 13, priced at $810 found 21 hours ago
American Airlines
Thu, Sep 10 - Sun, Sep 13
FSD
Sioux Falls
AUG
Augusta
$820 Roundtrip, found 21 hours ago
$820
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Thu, Sep 10 from Sioux Falls to Augusta, returning Sun, Sep 13, priced at $820 found 21 hours ago
American Airlines
Thu, Sep 10 - Sun, Sep 13
FSD
Sioux Falls
AUG
Augusta
$830 Roundtrip, found 21 hours ago
$830
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Thu, Sep 10 from Sioux Falls to Augusta, returning Sun, Sep 13, priced at $830 found 21 hours ago
United
Thu, Sep 10 - Sun, Sep 13
FSD
Sioux Falls
AUG
Augusta
$860 Roundtrip, found 21 hours ago
$860
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Sep 10 from Sioux Falls to Augusta, returning Sun, Sep 13, priced at $860 found 21 hours ago
United
Thu, Sep 10 - Sun, Sep 13
FSD
Sioux Falls
AUG
Augusta
$865 Roundtrip, found 21 hours ago
$865
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Sep 10 from Sioux Falls to Augusta, returning Sun, Sep 13, priced at $865 found 21 hours ago
Delta
Thu, Oct 15 - Tue, Oct 20
FSD
Sioux Falls
AUG
Augusta
$954 Roundtrip, found 4 days ago
$954
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Oct 15 from Sioux Falls to Augusta, returning Tue, Oct 20, priced at $954 found 4 days ago

Frequently asked questions

How much does a flight from Sioux Falls Regional Airport (FSD) to Augusta State Airport (AUG) cost?
Lock in a cheap one-way flight from $402 or cheap return flight from $675 from Sioux Falls Regional Airport (FSD) to Augusta State Airport (AUG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sioux Falls Regional Airport (FSD) to Augusta State Airport (AUG)?
The cheapest month to fly from FSD to AUG is October, when there's less demand. Off-peak season is usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Sioux Falls Regional Airport (FSD) to Augusta State Airport (AUG)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest FSD to AUG flight.
How many flights per day from Sioux Falls Regional Airport (FSD) to Augusta State Airport (AUG)?
Nonstop flights from Sioux Falls Regional Airport (FSD) to Augusta State Airport (AUG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FSD to AUG?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sioux Falls Regional Airport (FSD) to Augusta State Airport (AUG)?
To reach Augusta State Airport (AUG) on time, choose a flight that leaves Sioux Falls Regional Airport (FSD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Sioux Falls Regional Airport (FSD) to Augusta State Airport (AUG) last-minute?
Waiting until just before your trip to book a flight from FSD to AUG generally means paying more. While you may come across some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of landing a bargain.
Is it cheaper to book a FSD to AUG flight and hotel package?
You'll typically save money by booking a FSD 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 simple to manage everything in one convenient place. After selecting your ideal flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Sioux Falls Regional Airport (FSD) to Augusta State Airport (AUG)?
If you reserved your FSD to AUG flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type 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, go to our Customer Service portal for further details.

Travel information

Origin airport
Sioux Falls Regional
Destination airport
Augusta State
Roundtrip price
$674
Distance
1334 mi

Book with confidence

Sioux Falls to Augusta Flights

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

 

The best time to book a flight from Sioux Falls to Augusta

Sunday is one of the best days to book for cheap flights from Sioux Falls 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 Sioux Falls 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 Sioux Falls to Augusta in 2026. You can also book with separate airlines for your outbound and return journeys, from $402 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 Sioux Falls 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 Sioux Falls 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.

 

Sioux Falls to Augusta Flights

*Flight schedules are subject to change.

*Available to One Key members.