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Cheap flights from Austin to Belfast Intl Airport from £408

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BFS
31 Aug — 7 Sep1
1 adult

Cheap flight deals from Austin to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Belfast Intl (BFS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 August 2025.

Popular in

July

Cheapest in

May

Average price

£809
Highest demand for flights based on searches. 24% potential increase in price (£169 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£44 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Austin to Belfast Intl

One-way flights from Austin to Belfast Intl
Search for one-way flight options from Austin to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 26 August 2025.

Tue 9/1216:10AUS - BFS
2 stops17h 50mMultiple Airlines
Deal found 25/8£408
Mon 15/1216:00AUS - BFS
2 stops23h 00mMultiple Airlines
Deal found 24/8£517
Thu 11/916:05AUS - BFS
2 stops23h 35mMultiple Airlines
Deal found 25/8£789

Cheapflights Fare Finder

 
Customise your flight search to find flights from Austin to Belfast Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from Austin to Belfast Intl Airport that are best for you.

Fly from

Austin

Fly to

Belfast Intl

Route

Depart

Return

Price

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Tue 9/12

16:10-16:00

2 stops17h 50m

£408

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Mon 15/12

16:00-21:00

2 stops23h 00m

£517

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Thu 11/9

16:05-21:40

2 stops23h 35m

£789

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Best time to book a flight from Austin to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Austin with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Austin to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Austin to Belfast Intl?

    Austin Bergstrom (AUS), located 7.5 mi from the city center, is the airport you fly out of when you book flights from Austin to Belfast Intl. 0 airlines have flights from Austin Bergstrom to Belfast Intl on a regular basis. Booking flights from Austin Bergstrom to Belfast Intl should not be difficult; the airport handles an average of 0 outbound flights to Belfast Intl per day.

  • Can I find deals for flights from Austin to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on Austin to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Austin to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Belfast Intl.

  • Can I find deals for business class flights from Austin to Belfast Intl?

    Yes. Cheapflights offers flight deals from Austin to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to Belfast Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Austin to Belfast Intl Airport (average of £67). Flying from Austin to Belfast Intl Airport in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

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Alternative routes for Austin to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Austin to Belfast Intl?

Cheapflights helps you search for flights from Austin to Belfast Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Austin to Belfast Intl?

Cheapflights helps you find that perfect flight to Belfast Intl from Austin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Austin to Belfast Intl with no change fees?

Certainly. Search results for flights to Belfast Intl from Austin shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Austin to Belfast Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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