$1,108 Cheap Flights from Belfast (BFS) to Austin (AUS)

View $1,108 flight on Sun, Oct 19, 2025Opens in a new window

Popular airlines from Belfast International Airport (BFS) to Austin-Bergstrom Intl. Airport (AUS)

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Cheap Flights from Belfast to Austin (BFS-AUS)

Prices were available within the past 7 days and start at $1,108 for one-way flights and $911 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Mon, Aug 25 - Thu, Sep 4
BHD
Belfast
AUS
Austin
$911 Roundtrip, found 16 hours ago
$911
Roundtrip
found 16 hours ago
Select Virgin Atlantic flight, departing Mon, Aug 25 from Belfast to Austin, returning Thu, Sep 4, priced at $911 found 16 hours ago
Delta
Mon, Aug 25 - Thu, Sep 4
BHD
Belfast
AUS
Austin
$921 Roundtrip, found 16 hours ago
$921
Roundtrip
found 16 hours ago
Select Delta flight, departing Mon, Aug 25 from Belfast to Austin, returning Thu, Sep 4, priced at $921 found 16 hours ago
Delta
Mon, Aug 25 - Thu, Sep 4
BHD
Belfast
AUS
Austin
$925 Roundtrip, found 16 hours ago
$925
Roundtrip
found 16 hours ago
Select Delta flight, departing Mon, Aug 25 from Belfast to Austin, returning Thu, Sep 4, priced at $925 found 16 hours ago
Virgin Atlantic
Mon, Aug 25 - Thu, Sep 4
BHD
Belfast
AUS
Austin
$929 Roundtrip, found 16 hours ago
$929
Roundtrip
found 16 hours ago
Select Virgin Atlantic flight, departing Mon, Aug 25 from Belfast to Austin, returning Thu, Sep 4, priced at $929 found 16 hours ago
Delta
Mon, Aug 25 - Thu, Sep 4
BHD
Belfast
AUS
Austin
$933 Roundtrip, found 16 hours ago
$933
Roundtrip
found 16 hours ago
Select Delta flight, departing Mon, Aug 25 from Belfast to Austin, returning Thu, Sep 4, priced at $933 found 16 hours ago
KLM
Mon, Aug 25 - Thu, Sep 4
BHD
Belfast
AUS
Austin
$938 Roundtrip, found 16 hours ago
$938
Roundtrip
found 16 hours ago
Select KLM flight, departing Mon, Aug 25 from Belfast to Austin, returning Thu, Sep 4, priced at $938 found 16 hours ago
KLM
Mon, Aug 25 - Thu, Sep 4
BHD
Belfast
AUS
Austin
$946 Roundtrip, found 16 hours ago
$946
Roundtrip
found 16 hours ago
Select KLM flight, departing Mon, Aug 25 from Belfast to Austin, returning Thu, Sep 4, priced at $946 found 16 hours ago
Delta
Mon, Aug 25 - Thu, Sep 4
BHD
Belfast
AUS
Austin
$948 Roundtrip, found 16 hours ago
$948
Roundtrip
found 16 hours ago
Select Delta flight, departing Mon, Aug 25 from Belfast to Austin, returning Thu, Sep 4, priced at $948 found 16 hours ago
Delta
Mon, Aug 25 - Thu, Sep 4
BHD
Belfast
AUS
Austin
$952 Roundtrip, found 16 hours ago
$952
Roundtrip
found 16 hours ago
Select Delta flight, departing Mon, Aug 25 from Belfast to Austin, returning Thu, Sep 4, priced at $952 found 16 hours ago
British Airways
Mon, Aug 25 - Thu, Sep 4
BHD
Belfast
AUS
Austin
$1,153 Roundtrip, found 16 hours ago
$1,153
Roundtrip
found 16 hours ago
Select British Airways flight, departing Mon, Aug 25 from Belfast to Austin, returning Thu, Sep 4, priced at $1,153 found 16 hours ago
Flights from Belfast (BHD) to Austin (AUS)
Origin airport
George Best Belfast City
Destination airport
Austin-Bergstrom Intl.
Roundtrip price
$910
Distance
4613 mi

Belfast to Austin Flights

The cheapest times to fly from Belfast to Austin

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

 

The best time to book a flight from Belfast to Austin

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

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 Belfast to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,108 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 Belfast to Austin 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 Belfast to Austin 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.

 

Frequently asked questions

How much does a flight from Belfast Intl. Airport (BFS) to Austin-Bergstrom Intl. Airport (AUS) cost?
Discover the latest flight deals from BFS to AUS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BFS to AUS?
The cheapest flights from BFS to AUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BFS to AUS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BFS to AUS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Belfast Intl. Airport (BFS) to Austin-Bergstrom Intl. Airport (AUS)?
Direct flights from Belfast Intl. Airport (BFS) to Austin-Bergstrom Intl. Airport (AUS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BFS to AUS?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, carrier 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 Belfast Intl. Airport (BFS) to Austin-Bergstrom Intl. Airport (AUS)?
Opt for a flight from Belfast Intl. Airport (BFS) to Austin-Bergstrom Intl. Airport (AUS) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Belfast Intl. Airport (BFS) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Holding off until right before your break to book a ticket from BFS to AUS often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book a BFS to AUS flight and hotel package?
Compared with arranging flights and hotels separately, booking a BFS to AUS flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the stress out of planning your trip. Just pick your flights and select from our wide range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Belfast Intl. Airport (BFS) to Austin-Bergstrom Intl. Airport (AUS)?
If you reserved your BFS to AUS flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.