$171 Cheap Flights from Austin (AUS) to Billings (BIL)

Austin (AUS) to Billings (BIL) at a glance

Explore a range of options for Billings flights as you travel from Austin (AUS) to Billings (BIL) on this domestic short-haul route. Evaluate various airlines, from full-service carriers to budget-friendly choices, to discover the itinerary that aligns with your budget and travel preferences. Get all the essential information for flights departing from Austin-Bergstrom International Airport to Logan International Airport and prepare to experience the renowned attractions and neighborhoods of Billings.

• Fastest flight duration: around 4 hours in-flight, plus roughly 1h 30m layover with one stop
• Route distance: roughly 1,200 miles (1,930 km)
• Flights per week: around 9 departures on average
• Typical fares (one-way): economy tickets often range from $150–$410, depending on seasonality and how far ahead you book

Flights from Austin-Bergstrom International Airport (AUS) to Logan International Airport (BIL)

Based on recent traveler bookings, here are the top airlines favored for flights from Austin to Billings, particularly for one-stop services. Popular layover options include Denver International Airport (DEN, approximately 1 hour 30 minutes), Dallas-Fort Worth International Airport (DFW, about 1 hour 30 minutes), and Salt Lake City International Airport (SLC, around 1 hour 45 minutes). This variety allows you to balance price, total travel time, and cabin class to create the best itinerary for your journey.

• United: As a comprehensive carrier providing one-stop service, United captures around 47% of departures on this route. One-way fares generally range from $150 to $425, with an in-flight duration of 4 hours and a total travel time of about 5h 30m, including layovers.
• American Airlines: This established carrier, offering one-stop service, comprises about 32% of departures on the route. Passengers can expect one-way fares typically between $160 and $445, with 4 hours of flying time and an overall journey time close to 5h 30m, factoring in layovers.
• Delta: Delta operates as a full-service airline with one-stop options, accounting for roughly 17% of flights on this route. Fares for one-way tickets usually fall between $150 and $380, with 4 hours spent in the air and a total travel duration of around 5h 30m, including layover time.
• Alaska Airlines: Representing about 3% of departures, Alaska Airlines provides one-stop service as a full-service carrier. One-way fares typically range from $180 to $280, with an in-flight experience of 4 hours and an overall journey time nearing 5h 30m, inclusive of layovers.

Best time to fly from Austin (AUS) to Billings (BIL)

The most popular months for travelers flying from Austin to Billings are April, June, and July, when peak temperatures in Billings reach up to 74.7°F in July. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 24.8°F. For better deals, February usually offers the lowest average one-way fare around $227. Flight availability peaks in August, with approximately 12 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: February usually offers good deals with average one-way fare around $227, roughly 14% cheaper than the yearly average.
• More budget-friendly months to fly: April, March, and November typically offer average one-way fares roughly ranging from $233 to $249.
• Most flight options: August has the highest number of flights from Austin to Billings, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Austin (AUS) to Billings (BIL)

• San Antonio to Billings (SAT-BIL): San Antonio International Airport (SAT) is located approximately 67 miles from Austin-Bergstrom International Airport (AUS). One-way economy tickets on this route generally fall between $160 and $445, influenced by the season and timing of your booking. Travelers often find one-stop options here, with common layover locations including Denver International Airport (DEN) and Dallas-Fort Worth International Airport (DFW). Major airlines for this route are United and Delta, and first-class service is also offered.
• Austin to Cody (AUS-COD): Yellowstone Regional Airport (COD) is about 92 miles from Logan International Airport (BIL). Economy fares for this journey usually range from $125 to $590, depending on the time of year and how early you purchase your ticket. This route typically features one-stop flights, primarily connecting through Denver International Airport (DEN). United Airlines is the leading carrier on this route.

How to find the best prices for flights from Austin (AUS) to Billings (BIL)

Getting some of the best deals on flights from Austin to Billings is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Afternoon departures (12pm-6pm) often offer lower prices, while Morning flights (5am-12pm) are the most popular. Additionally, flying on Tuesday generally yields cheaper rates, though Friday remains the most sought-after travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Billings hotel and flight deals.
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Logan International Airport from Austin-Bergstrom International Airport

Billings welcomes travelers from Austin with a range of transport options based on price, convenience, and proximity. Here's how to reach Billings efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Billings, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
• Car rental: Renting a car from Logan International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Logan International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Logan International Airport, Billings Seaport, a seaport, is conveniently located just 0.1 miles away on foot, making it easily accessible for travelers looking to continue their journey by sea.

Austin to Billings Flights

The cheapest times to fly from Austin to Billings

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 Austin to Billings are during the month of November. You can find some of the cheapest flights from Austin to Billings with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Austin to Billings

Sunday is one of the best days to book for cheap flights from Austin to Billings: 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 Austin to Billings

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 Austin to Billings in 2026. You can also book with separate airlines for your outbound and return journeys, from $171 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 Austin to Billings 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 Austin to Billings 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.