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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
Jul 12 — Jul 191
Sat 7/12
Sat 7/19
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 July 7, 2025.

Round-trip from

$695
(American Airlines)

One-way from

$450
(Justfly.com)

Popular in

July

Cheapest in

October

Average price

$1,682
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. 28% potential increase in price ($354 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($78 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 7, 2025.

This American Airlines deal was found by Cheapflights users on 7/7. 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.
Wed 8/612:25 pmAUS - BHD
2 stops14h 55mAmerican Airlines
Tue 8/199:35 amBHD - AUS
2 stops19h 06mAmerican Airlines
Deal found 7/7$695
This Ovago deal was found by Cheapflights users on 7/6. 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.
Mon 9/156:30 pmAUS - BHD
2 stops15h 10mBritish Airways
Mon 9/227:30 pmBHD - AUS
2 stops25h 43mBritish Airways
Deal found 7/6$772
This Delta deal was found by Cheapflights users on 7/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:09 pmAUS - BHD
2 stops21h 06mDelta
Tue 10/75:25 pmBHD - AUS
2 stops29h 47mDelta
Deal found 7/6$823
This KLM deal was found by Cheapflights users on 7/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:20 pmAUS - BHD
2 stops16h 35mKLM
Sat 10/116:30 amBHD - AUS
1 stop15h 30mKLM
Deal found 7/6$903
This Mytrip deal was found by Cheapflights users on 7/6. 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 7/3111:20 amAUS - BFS
3 stops23h 20mMultiple Airlines
Mon 8/410:00 pmBFS - AUS
3 stops28h 01mMultiple Airlines
Deal found 7/6$1,372
This Mytrip deal was found by Cheapflights users on 7/6. 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 7/314:05 pmAUS - BHD
2 stops22h 50mMultiple Airlines
Mon 8/46:55 amBHD - AUS
3 stops23h 03mMultiple Airlines
Deal found 7/6$1,703

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 July 7, 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

Wed 8/6

12:25 pm-9:20 am

2 stops14h 55m

Belfast City

Tue 8/19

9:35 am-10:41 pm

2 stops19h 06m

$695

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Mon 9/15

6:30 pm-3:40 pm

2 stops15h 10m

Belfast City

Mon 9/22

7:30 pm-3:13 pm

2 stops25h 43m

$772

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Fri 10/3

6:09 pm-9:15 pm

2 stops21h 06m

Belfast City

Tue 10/7

5:25 pm-5:12 pm

2 stops29h 47m

$823

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 10/5

6:20 pm-4:55 pm

2 stops16h 35m

Belfast City

Sat 10/11

6:30 am-4:00 pm

1 stop15h 30m

$903

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Thu 7/31

11:20 am-4:40 pm

3 stops23h 20m

Belfast Intl

Mon 8/4

10:00 pm-8:01 pm

3 stops28h 01m

$1,372

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Thu 7/31

4:05 pm-8:55 pm

2 stops22h 50m

Belfast City

Mon 8/4

6:55 am-11:58 pm

3 stops23h 03m

$1,703

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Tue 12/9

2:40 pm-11:30 am

2 stops14h 50m

$401

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Thu 9/11

5:45 pm-3:30 pm

1 stop15h 45m

$454

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Tue 12/9

7:58 am-12:50 pm

3 stops22h 52m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

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 July 7, 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 July 7, 2025.
See what other customers who have flown with Delta, KLM, and American Airlines 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.
Delta
8.0
Very good
7,962 reviews

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,962 reviews
Delta
8.0
Very good
7,962 reviews

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,368 reviews
Delta
8.0
Very good
7,962 reviews

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,962 reviews

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.6
Okay
7,095 reviews
Delta
8.0
Very good
7,962 reviews

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Austin to Belfast round-trip?

    According to our current data, American Airlines ($695), British Airways ($772), and Delta ($823) offers the cheapest pricing from Austin to Belfast. American Airlines is currently priced 23% 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 July 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$645Average$943FlexibilityNo cancel feeOn-time70%

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