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Cheap flights from Austin to Belfast from $915

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Belfast departing on 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Austin to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:55 pm - 4:50 pm
AUS
-
BHD
15h 55m
1 stop
British Airways Logo
5:45 pm - 4:45 pm
BHD
-
AUS
29h 00m
1 stop
$915British Airways
Sun, Jan 17 - Thu, Jan 21
British Airways Logo
6:55 pm - 4:50 pm
AUS
-
BHD
15h 55m
1 stop
British Airways Logo
5:45 pm - 4:45 pm
BHD
-
AUS
29h 00m
1 stop
$916British Airways
Sun, Jan 17 - Thu, Jan 21
British Airways Logo
6:55 pm - 4:50 pm
AUS
-
BHD
15h 55m
1 stop
British Airways Logo
5:45 pm - 4:45 pm
BHD
-
AUS
29h 00m
1 stop
$917British Airways
Sun, Jan 17 - Thu, Jan 21
British Airways Logo
10:30 pm - 6:45 pm
AUS
-
BHD
14h 15m
1 stop
British Airways Logo
7:30 pm - 3:25 pm
BHD
-
AUS
25h 55m
1 stop
$968British Airways
Sun, Oct 4 - Tue, Oct 13
Delta Logo
6:05 pm - 4:55 pm
AUS
-
BHD
16h 50m
1 stop
Delta Logo
5:30 pm - 9:20 pm
BHD
-
AUS
33h 50m
2 stops
$995Delta
Mon, Oct 5 - Mon, Oct 12
Delta Logo
12:08 pm - 9:20 am
AUS
-
BHD
15h 12m
2 stops
Delta Logo
5:30 pm - 10:08 pm
BHD
-
AUS
34h 38m
2 stops
$1,000Delta
Sun, Oct 4 - Mon, Oct 12
British Airways Logo
4:35 pm - 8:40 am
AUS
-
BHD
34h 05m
2 stops
British Airways Logo
7:35 pm - 3:25 pm
BHD
-
AUS
25h 50m
1 stop
$1,001British Airways
Sat, Aug 22 - Mon, Aug 31
British Airways Logo
4:35 pm - 8:40 am
AUS
-
BHD
34h 05m
2 stops
British Airways Logo
7:35 pm - 3:25 pm
BHD
-
AUS
25h 50m
1 stop
$1,002British Airways
Sat, Aug 22 - Mon, Aug 31
British Airways Logo
4:35 pm - 8:40 am
AUS
-
BHD
34h 05m
2 stops
British Airways Logo
7:35 pm - 8:35 pm
BHD
-
AUS
31h 00m
1 stop
$1,003British Airways
Sat, Aug 22 - Mon, Aug 31
Multiple Airlines Logo
11:40 am - 11:15 am
AUS
-
BFS
17h 35m
2 stops
Multiple Airlines Logo
9:35 pm - 3:25 pm
BFS
-
AUS
23h 50m
2 stops
$1,142Multiple Airlines
Mon, Sep 7 - Mon, Sep 14

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British Airways flights from Austin to Belfast

Our best British Airways deals on Austin to Belfast flight tickets
British Airways
Jan 17
AUS6:55 pmAustin Bergstrom
15h 55m
1 stop
BHD4:50 pmBelfast City
Jan 21
BHD5:45 pmBelfast City
29h 00m
1 stop
AUS4:45 pmAustin Bergstrom
$915
British Airways
Jan 17
AUS6:55 pmAustin Bergstrom
15h 55m
1 stop
BHD4:50 pmBelfast City
Jan 21
BHD5:45 pmBelfast City
29h 00m
1 stop
AUS4:45 pmAustin Bergstrom
$916
British Airways
Jan 17
AUS6:55 pmAustin Bergstrom
15h 55m
1 stop
BHD4:50 pmBelfast City
Jan 21
BHD5:45 pmBelfast City
29h 00m
1 stop
AUS4:45 pmAustin Bergstrom
$917

American Airlines flights from Austin to Belfast

Our best American Airlines deals on Austin to Belfast flight tickets
American Airlines
Aug 22
AUS6:57 pmAustin Bergstrom
17h 18m
2 stops
BHD6:15 pmBelfast City
Aug 31
BHD6:30 amBelfast City
16h 31m
2 stops
AUS5:01 pmAustin Bergstrom
$1,079
American Airlines
Aug 22
AUS12:42 pmAustin Bergstrom
15h 23m
2 stops
BHD10:05 amBelfast City
Aug 31
BHD6:30 amBelfast City
17h 52m
2 stops
AUS6:22 pmAustin Bergstrom
$1,080

momondo 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, momondo users made 832,500 searches. Data last updated July 26, 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

Price

Cheapest round-trip

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 1/17

6:55 pm-4:50 pm

1 stop15h 55m

Belfast City

Thu 1/21

5:45 pm-4:45 pm

1 stop29h 00m

$915

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 1/17

6:55 pm-4:50 pm

1 stop15h 55m

Belfast City

Thu 1/21

5:45 pm-4:45 pm

1 stop29h 00m

$916

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 1/17

6:55 pm-4:50 pm

1 stop15h 55m

Belfast City

Thu 1/21

5:45 pm-4:45 pm

1 stop29h 00m

$917
Quickest round-trip

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 10/4

10:30 pm-6:45 pm

1 stop14h 15m

Belfast City

Tue 10/13

7:30 pm-3:25 pm

1 stop25h 55m

$968

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Mon 10/5

6:05 pm-4:55 pm

1 stop16h 50m

Belfast City

Mon 10/12

5:30 pm-9:20 pm

2 stops33h 50m

$995

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 10/4

12:08 pm-9:20 am

2 stops15h 12m

Belfast City

Mon 10/12

5:30 pm-10:08 pm

2 stops34h 38m

$1,000

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 8/22

4:35 pm-8:40 am

2 stops34h 05m

Belfast City

Mon 8/31

7:35 pm-3:25 pm

1 stop25h 50m

$1,001

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 8/22

4:35 pm-8:40 am

2 stops34h 05m

Belfast City

Mon 8/31

7:35 pm-3:25 pm

1 stop25h 50m

$1,002

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 8/22

4:35 pm-8:40 am

2 stops34h 05m

Belfast City

Mon 8/31

7:35 pm-8:35 pm

1 stop31h 00m

$1,003

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Mon 9/7

11:40 am-11:15 am

2 stops17h 35m

Belfast Intl

Mon 9/14

9:35 pm-3:25 pm

2 stops23h 50m

$1,142

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Austin to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Belfast

Fastest flight time

14h 15m

Direct flights

None
The fastest flight from Austin to Belfast takes 14h 15m
There are no direct flights from Austin to Belfast. There are no popular flight routes from Austin to Belfast.
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Frequently asked questions about flying from Austin to Belfast

  • How far is Austin Bergstrom to Belfast by plane?

    A flight from Austin Bergstrom to Belfast will travel around 4607.0 mi. Flights usually cover this in 14h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Belfast?

    Prices for flights from Austin Bergstrom Airport to Belfast are refreshed on a daily basis.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Belfast?

  • How old do you have to be to fly from Austin Bergstrom Airport to Belfast?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The necessary travel and health documents for your Belfast trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Austin to Belfast

Compare and see reviews for airlines that fly from Austin to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $622Free CancellationRating
6.7
8,132 reviews
Search British Airways flights

Frequently asked questions about flying from Austin to Belfast

  • How do I get Price Alerts for flights from Austin to Belfast?

    Price Alerts will notify you by email when the price for flights to Belfast from Austin decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Austin to Belfast with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Belfast?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Austin to Belfast for you.

Can I find flights from Austin to Belfast with flexible booking policies on momondo?

All flight searches from Austin to Belfast on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Austin to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Austin.

I’m not ready to book a flight from Austin to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Austin to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

An easier way to manage your Belfast trip

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport