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$384+ Cheap flights from Austin (AUS) to Belfast

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BHD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Austin to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Belfast (BF1). 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 17, 2025.

Round-trip from

$831
(Delta)

One-way from

$384
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$845
From Austin Bergstrom to Belfast
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One-way flight from Austin Bergstrom to Belfast
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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

Cheapest flights from Austin to Belfast
Explore the most affordable flight options available from Austin to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:15 pmAUS - BHD
1 stop16h 30mBritish Airways
Tue 10/74:25 pmBHD - AUS
1 stop29h 25mBritish Airways
Deal found 9/14$831
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:31 pmAUS - BHD
2 stops14h 59mMultiple Airlines
Tue 11/188:45 amBHD - AUS
1 stop14h 05mMultiple Airlines
Deal found 9/16$840
This Virgin Atlantic deal was found by Cheapflights users on 9/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:00 pmAUS - BHD
2 stops24h 15mVirgin Atlantic
Tue 10/75:25 pmBHD - AUS
2 stops33h 31mVirgin Atlantic
Deal found 9/16$852
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:51 pmAUS - BHD
2 stops17h 24mAmerican Airlines
Tue 10/74:25 pmBHD - AUS
1 stop29h 25mAmerican Airlines
Deal found 9/14$904
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.
Thu 10/3012:12 pmAUS - BFS
3 stops23h 48mMultiple Airlines
Thu 11/64:35 pmBFS - AUS
3 stops30h 15mMultiple Airlines
Deal found 9/14$1,234

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Belfast 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 17, 2025.
Use the filters below to find and compare flights from Austin to Belfast that are best for you.

Fly from

Austin

Fly to

Belfast

Route

Depart

Return

Price

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Fri 10/3

1:49 pm-9:15 pm

2 stops25h 26m

Belfast City

Tue 10/7

6:30 am-5:22 pm

2 stops16h 52m

$831

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Fri 10/3

10:15 pm-8:45 pm

1 stop16h 30m

Belfast City

Tue 10/7

4:25 pm-3:50 pm

1 stop29h 25m

$831

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Tue 11/11

2:31 pm-11:30 am

2 stops14h 59m

Belfast City

Tue 11/18

8:45 am-4:50 pm

1 stop14h 05m

$840

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Fri 10/3

3:00 pm-9:15 pm

2 stops24h 15m

Belfast City

Tue 10/7

5:25 pm-8:56 pm

2 stops33h 31m

$852

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Fri 10/3

6:51 pm-6:15 pm

2 stops17h 24m

Belfast City

Tue 10/7

4:25 pm-3:50 pm

1 stop29h 25m

$904

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Thu 10/30

12:12 pm-5:00 pm

3 stops23h 48m

Belfast Intl

Thu 11/6

4:35 pm-4:50 pm

3 stops30h 15m

$1,234

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Mon 12/15

10:35 am-4:45 pm

3 stops24h 10m

$384

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Tue 12/9

7:00 pm-4:45 pm

1 stop15h 45m

$398

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 10/19

2:23 pm-1:05 pm

2 stops16h 42m

$409

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Tue 12/9

12:42 pm-10:30 am

2 stops15h 48m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 14 results
1
2

Best time to book a flight from Austin to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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

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

Find hourly flight availability from Austin to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

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

How much does it cost to fly round-trip from Austin to Belfast?

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. 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. Reviews last updated September 17, 2025.
See what other customers who have flown with British Airways from Austin to Belfast have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,367 reviews

Overall

6.7

Boarding

6.9

Crew

7.6

Comfort

6.7

Food

6.3

Entertainment

6.4

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
7,367 reviews
British Airways
6.7
Okay
7,367 reviews

Overall

6.7

Boarding

6.9

Crew

7.6

Comfort

6.7

Food

6.3

Entertainment

6.4

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. 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?

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

  • How long is the flight from Austin to Belfast?

    Departing from Austin to Belfast will take you 16h 30m. The distance from Austin to Belfast is about 4610 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, British Airways ($751), offers the cheapest pricing from Austin to Belfast. British Airways is currently priced 22% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin to Belfast 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?

    Currently, February is the cheapest month in which you can book a flight from Austin to Belfast (average of $657). Flying from Austin to Belfast 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Austin to Belfast

Discover the top airline that operate flights from Austin to Belfast. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$751Average$944FlexibilityNo cancel feeOn-time70%

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