$951+ Cheap flights from Austin (AUS) to Belfast
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BHD
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Austin to Belfast
Cheapest
Best
Last-minute
Cheapest flights from Austin to BelfastExplore 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 October 30, 2026.
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 October 30, 2026.
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/182:15 pm -
2 stops17h 50m
Mon 12/286:35 am -
1 stop16h 10m
Deal found 10/28![British Airways logo]()
$2,554
Best flights from Austin to BelfastDiscover carefully curated flight deals from Austin to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Austin to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This British Airways deal was found by Cheapflights users on 10/29. 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.
Mon 3/16:55 pm -
1 stop13h 20m
Fri 3/56:45 am -
1 stop16h 00m
Deal found 10/29![British Airways logo]()
$951
This KLM deal was found by Cheapflights users on 10/27. 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.
Sat 4/102:40 pm -
2 stops16h 10m
Sat 4/175:25 pm -
2 stops31h 22m
Deal found 10/27![KLM logo]()
$1,084
This British Airways deal was found by Cheapflights users on 10/27. 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.
Sat 2/278:09 am -
2 stops21h 01m
Sun 3/79:20 am -
2 stops19h 38m
Deal found 10/27![British Airways logo]()
$1,067
Last-minute flights from Austin to BelfastDiscover last-minute flight deals from Austin to Belfast. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Belfast. Data last updated October 30, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:55 pm -
1 stop12h 55m
Sun 12/136:30 am -
1 stop16h 15m
Deal found 10/30![British Airways logo]()
$1,368
This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/294:41 pm -
2 stops18h 09m
Sun 12/136:30 am -
1 stop16h 15m
Deal found 10/30![Multiple Airlines logo]()
$1,426
Find 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 October 30, 2026.
Round-trip from | $951 (British Airways) |
|---|
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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Austin to Belfast that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
AustinBelfast
AUS Austin Bergstrom - BHD Belfast City
AUSBHD
Austin Bergstrom
Mon 3/1
6:55 pm-2:15 pm
1 stop13h 20m
Belfast City
Fri 3/5
6:45 am-4:45 pm
1 stop16h 00m
$951
AustinBelfast
AUS Austin Bergstrom - BHD Belfast City
AUSBHD
Austin Bergstrom
Sat 2/27
8:09 am-11:10 am
2 stops21h 01m
Belfast City
Sun 3/7
9:20 am-10:58 pm
2 stops19h 38m
$1,067
AustinBelfast
AUS Austin Bergstrom - BHD Belfast City
AUSBHD
Austin Bergstrom
Sat 4/10
2:40 pm-12:50 pm
2 stops16h 10m
Belfast City
Sat 4/17
5:25 pm-6:47 pm
2 stops31h 22m
$1,084
Sorted by cheapest first
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.
AUS-BF1
AUS-BHD
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
AUS-BF1
AUS-BHD
No data available for this route at this time. Please check back soon.
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 October 30, 2026.
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.
Boarding
7.0
Overall
6.7
Food
6.4
Comfort
6.8
Entertainment
6.5
Crew
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Boarding
7.0
Overall
6.7
Food
6.4
Comfort
6.8
Entertainment
6.5
Crew
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Related info for your journey
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Complete your trip
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Austin and Belfast flights
Browse other Austin and Belfast flight options. Last updated on October 30, 2026.
Other flights from Austin
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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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$643 | Average$1,235 | FlexibilityNo cancel fee | On-time70% |