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$401+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BHD
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
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 octubre 28, 2025.

Round-trip from

$683
(British Airways)

One-way from

$401
(Cheapflightsfares)

Popular in

July

Cheapest in

May
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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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 octubre 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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.
sáb. 12/131:47 pmAUS - BHD
2 stops15h 23mAmerican Airlines
mié. 12/176:35 amBHD - AUS
1 stop16h 15mAmerican Airlines
Deal found 10/28$1,227
This Ovago deal was found by Cheapflights users on 10/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/137:00 pmAUS - BHD
1 stop31h 25mBritish Airways
mié. 12/176:35 amBHD - AUS
1 stop16h 15mBritish Airways
Deal found 10/28$1,464

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 octubre 28, 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

mié. 2/11

7:00 pm-7:30 am

1 stop30h 30m

Belfast City

mié. 2/18

3:40 pm-4:50 pm

1 stop31h 10m

$683

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

mié. 2/11

2:50 pm-2:15 pm

2 stops17h 25m

Belfast City

mié. 2/18

6:35 am-9:27 pm

2 stops20h 52m

$686

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

vie. 3/27

8:00 pm-2:15 pm

1 stop13h 15m

Belfast City

mar. 3/31

4:25 pm-3:25 pm

1 stop29h 00m

$744

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

vie. 3/27

2:05 pm-9:00 pm

2 stops25h 55m

Belfast City

mar. 3/31

6:30 am-9:56 pm

2 stops21h 26m

$830

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

vie. 3/27

1:40 pm-4:50 pm

2 stops22h 10m

Belfast City

mar. 3/31

6:30 am-9:06 pm

2 stops20h 36m

$913

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

mar. 12/9

7:00 pm-4:45 pm

1 stop15h 45m

$401

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

mar. 12/9

2:29 pm-11:30 am

2 stops15h 01m

$411

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

mar. 12/9

7:05 am-1:20 pm

3 stops24h 15m

$550

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

mar. 12/9

12:19 pm-9:50 am

3 stops39h 31m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 octubre 28, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 23% on flights from Austin to Belfast by exploring options for tickets at noon.

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 octubre 28, 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
7,483 reviews

Boarding

6.9

Comfort

6.7

Crew

7.6

Entertainment

6.4

Food

6.3

Overall

6.7

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
7,483 reviews
British Airways
6.7
Okay
7,483 reviews

Boarding

6.9

Comfort

6.7

Crew

7.6

Entertainment

6.4

Food

6.3

Overall

6.7

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 17h 25m. 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.

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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$751Average$944FlexibilityNo cancel feeOn-time70%

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