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Cheap flights from Austin to Belfast from $751

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 8/10. 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
10:30 pm - 8:35 pm
AUS
-
BHD
16h 05m
1 stop
British Airways Logo
6:30 pm - 3:25 pm
BHD
-
AUS
26h 55m
1 stop
$751British Airways
Mon, Aug 10 - Mon, Aug 24
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
$764British Airways
Mon, Apr 27 - Tue, May 12
American Airlines Logo
6:45 pm - 3:30 pm
AUS
-
BHD
14h 45m
2 stops
American Airlines Logo
4:25 pm - 3:25 pm
BHD
-
AUS
29h 00m
1 stop
$779American Airlines
Mon, Apr 27 - Tue, May 12
American Airlines Logo
6:45 pm - 3:30 pm
AUS
-
BHD
14h 45m
2 stops
American Airlines Logo
9:40 am - 7:43 pm
BHD
-
AUS
16h 03m
2 stops
$785American Airlines
Mon, Apr 27 - Tue, May 12
British Airways Logo
4:40 pm - 3:30 pm
AUS
-
BHD
16h 50m
2 stops
British Airways Logo
3:20 pm - 3:25 pm
BHD
-
AUS
30h 05m
1 stop
$789British Airways
Mon, Aug 10 - Mon, Aug 24
British Airways Logo
10:30 pm - 7:20 pm
AUS
-
BHD
14h 50m
1 stop
British Airways Logo
7:35 pm - 3:25 pm
BHD
-
AUS
25h 50m
1 stop
$801British Airways
Sat, Aug 22 - Mon, Aug 31
British Airways Logo
4:08 pm - 3:20 pm
AUS
-
BHD
17h 12m
2 stops
British Airways Logo
6:30 am - 3:25 pm
BHD
-
AUS
14h 55m
1 stop
$803British Airways
Tue, May 12 - Tue, May 19
American Airlines Logo
6:45 pm - 5:35 pm
AUS
-
BHD
16h 50m
2 stops
American Airlines Logo
6:30 am - 5:38 pm
BHD
-
AUS
17h 08m
2 stops
$811American Airlines
Tue, May 12 - Tue, May 19
British Airways Logo
2:33 pm - 3:30 pm
AUS
-
BHD
18h 57m
2 stops
British Airways Logo
7:35 pm - 11:59 pm
BHD
-
AUS
34h 24m
2 stops
$812British Airways
Mon, Aug 10 - Mon, Aug 24
Multiple Airlines Logo
9:25 am - 8:40 pm
AUS
-
BFS
29h 15m
3 stops
Multiple Airlines Logo
7:30 am - 8:20 am
BFS
-
AUS
30h 50m
3 stops
$909Multiple Airlines
Wed, Apr 22 - Wed, Apr 29

British Airways flights from Austin to Belfast

Our best British Airways deals on Austin to Belfast flight tickets
British Airways
Aug 10
AUS10:30 pmAustin Bergstrom
16h 05m
1 stop
BHD8:35 pmBelfast City
Aug 24
BHD6:30 pmBelfast City
26h 55m
1 stop
AUS3:25 pmAustin Bergstrom
$751
British Airways
Apr 27
AUS10:30 pmAustin Bergstrom
14h 15m
1 stop
BHD6:45 pmBelfast City
May 12
BHD7:30 pmBelfast City
25h 55m
1 stop
AUS3:25 pmAustin Bergstrom
$764
British Airways
Aug 10
AUS4:40 pmAustin Bergstrom
16h 50m
2 stops
BHD3:30 pmBelfast City
Aug 24
BHD3:20 pmBelfast City
30h 05m
1 stop
AUS3:25 pmAustin Bergstrom
$789

KLM flights from Austin to Belfast

Our best KLM deals on Austin to Belfast flight tickets
KLM
Apr 11
AUS6:05 pmAustin Bergstrom
33h 15m
1 stop
BHD9:20 amBelfast City
Apr 17
BHD5:30 pmBelfast City
28h 40m
1 stop
AUS4:10 pmAustin Bergstrom
$917
KLM
Apr 11
AUS6:05 pmAustin Bergstrom
33h 15m
1 stop
BHD9:20 amBelfast City
Apr 17
BHD5:30 pmBelfast City
28h 40m
1 stop
AUS4:10 pmAustin Bergstrom
$965
KLM
Jul 5
AUS7:30 amAustin Bergstrom
19h 50m
2 stops
BHD9:20 amBelfast City
Jul 19
BHD5:30 pmBelfast City
28h 24m
2 stops
AUS3:54 pmAustin Bergstrom
$1,037

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 March 11, 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

Mon 8/10

10:30 pm-8:35 pm

1 stop16h 05m

Belfast City

Mon 8/24

6:30 pm-3:25 pm

1 stop26h 55m

$751

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Mon 4/27

10:30 pm-6:45 pm

1 stop14h 15m

Belfast City

Tue 5/12

7:30 pm-3:25 pm

1 stop25h 55m

$764

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Mon 4/27

6:45 pm-3:30 pm

2 stops14h 45m

Belfast City

Tue 5/12

4:25 pm-3:25 pm

1 stop29h 00m

$779
Quickest round-trip

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Mon 4/27

6:45 pm-3:30 pm

2 stops14h 45m

Belfast City

Tue 5/12

9:40 am-7:43 pm

2 stops16h 03m

$785

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Mon 8/10

4:40 pm-3:30 pm

2 stops16h 50m

Belfast City

Mon 8/24

3:20 pm-3:25 pm

1 stop30h 05m

$789

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 8/22

10:30 pm-7:20 pm

1 stop14h 50m

Belfast City

Mon 8/31

7:35 pm-3:25 pm

1 stop25h 50m

$801

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Tue 5/12

4:08 pm-3:20 pm

2 stops17h 12m

Belfast City

Tue 5/19

6:30 am-3:25 pm

1 stop14h 55m

$803

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Tue 5/12

6:45 pm-5:35 pm

2 stops16h 50m

Belfast City

Tue 5/19

6:30 am-5:38 pm

2 stops17h 08m

$811

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Mon 8/10

2:33 pm-3:30 pm

2 stops18h 57m

Belfast City

Mon 8/24

7:35 pm-11:59 pm

2 stops34h 24m

$812

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Wed 4/22

9:25 am-8:40 pm

3 stops29h 15m

Belfast Intl

Wed 4/29

7:30 am-8:20 am

3 stops30h 50m

$909

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

13h 05m

Direct flights

None
The fastest flight from Austin to Belfast takes 13h 05m
There are no direct flights from Austin to Belfast. There are no popular flight routes from Austin to Belfast.
Search flight deals

  • 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 13h 05m, 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 $776Free CancellationRating
6.7
7,781 reviews
Search British Airways flights

  • 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