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Cheap flights from Austin to Belfast Intl Airport from £491

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BFS
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Austin to Belfast Intl

Enter your travel dates to find the best prices.

Best flights from Austin to Belfast Intl
Discover carefully curated flight deals from Austin to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Sat 24/118:10AUS - BFS
2 stops22h 30mMultiple Airlines
Sat 31/106:00BFS - AUS
2 stops16h 10mMultiple Airlines
Deal found 9/12£701
Sun 25/105:50AUS - BFS
3 stops31h 05mMultiple Airlines
Sun 1/222:05BFS - AUS
2 stops24h 05mMultiple Airlines
Deal found 11/12£1,509

Find 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 12 December 2025.

Round-trip from

£701

One-way from

£491
24/1-31/1
  • 24/1-31/1
  • 4 total stops
  • 38h 40m total
  • Austin to Belfast
Search Deals
1/6
  • 1/6
  • 3 total stops
  • 41h 42m total
  • Austin to Belfast
Search Deals

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 12 December 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

Sat 24/1

18:10-22:40

2 stops22h 30m

Belfast Intl

Sat 31/1

06:00-16:10

2 stops16h 10m

£701

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Sun 25/1

05:50-18:55

3 stops31h 05m

Belfast Intl

Sun 1/2

22:05-16:10

2 stops24h 05m

£1,509

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Mon 1/6

16:38-16:20

3 stops41h 42m

£491

Flights are sorted by cheapest return flights first.

Deals found on 10/12

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.

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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