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Belfast Intl

$859+ Cheap flights from Austin (AUS) to Belfast Intl (BFS)

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BFS
Okt 14 — Okt 211
Di 10/14
Di 10/21
1 adult, Economy
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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 September 14, 2025.

Round-trip from

$1,063
(Mytrip)

One-way from

$859
(Thrive Travel)

Popular in

July

Cheapest in

May

Average price

$845
From Austin Bergstrom to Belfast Intl
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One-way flight from Austin Bergstrom to Belfast Intl
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Highest demand for flights based on searches. 24% potential increase in price ($318 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($79 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Austin to Belfast Intl

Cheapest flights from Austin to Belfast Intl
Explore the most affordable flight options available from Austin to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 10/291:09 pmAUS - BFS
3 stops27h 31mMultiple Airlines
Mi 11/57:55 amBFS - AUS
3 stops31h 35mMultiple Airlines
Deal found 9/14$1,063

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 14, 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

Mi 10/29

1:09 pm-9:40 pm

3 stops27h 31m

Belfast Intl

Mi 11/5

7:55 am-9:30 am

3 stops31h 35m

$1,063

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

So 10/19

12:27 pm-8:20 pm

2 stops25h 53m

$859

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Do 10/23

12:27 pm-8:35 pm

2 stops26h 08m

$958

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Di 12/9

4:10 pm-4:00 pm

2 stops17h 50m

$1,589

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Do 10/16

4:05 pm-8:10 pm

2 stops22h 05m

$2,247

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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 round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Austin to Belfast Intl Airport

What is the cheapest time of day to fly from AUS to BFS?

Find hourly flight availability from Austin to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Austin to Belfast Intl Airport by exploring options for tickets at noon.

Reviews of airlines servicing Belfast Intl

Get insights into the airlines that provide service to Belfast Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast Intl. Reviews last updated September 14, 2025.
Read reviews from past customers who have flown British Airways from Austin to Belfast Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,361 reviews

Comfort

6.7

Food

6.3

Crew

7.6

Overall

6.7

Entertainment

6.4

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,361 reviews
British Airways
6.7
Okay
7,361 reviews

Comfort

6.7

Food

6.3

Crew

7.6

Overall

6.7

Entertainment

6.4

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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) is the airport you will fly out of if you book a flight from Austin to Belfast Intl. You should not have trouble finding flights to Belfast Intl from Austin Bergstrom; the airport handles an average of 0 outbound flights to Belfast Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Austin airport to Belfast Intl. It is only a 7.5 mi journey to Austin Bergstrom (AUS) from Austin’s city center.

  • What is the cheapest airline to fly from Austin to Belfast Intl Airport round-trip?

    Our cheapest airline available from Austin to Belfast Intl Airport is British Airways. Our recent data shows that you can find tickets from as low as $751 on this airline. This flight start at 22% lower than the current average price 3 months from now.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Austin to Belfast Intl Airport (average of $657). Flying from Austin to Belfast Intl Airport in June is currently the most expensive (average of $1,189). 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.

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Top airline flying from Austin to Belfast Intl

Discover the top airline that operate flights from Austin to Belfast Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$751Average$944FlexibilityNo cancel feeOn-time70%

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