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Cheap flights from Austin to Belfast from $367

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Belfast departing on 12/9. 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
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
7:00 pm - 2:15 pm
AUS
-
BHD
13h 15m1 stop
British Airways Logo
8:25 pm - 4:50 pm
BHD
-
AUS
26h 25m1 stop
$597British Airways
Wed, Feb 11 - Sun, Feb 15
Delta Logo
5:10 pm - 4:50 pm
AUS
-
BHD
17h 40m2 stops
Delta Logo
5:20 pm - 4:10 pm
BHD
-
AUS
28h 50m1 stop
$645Delta
Wed, Feb 11 - Sun, Feb 15
British Airways Logo
5:25 am - 10:20 am
AUS
-
BHD
22h 55m2 stops
British Airways Logo
3:05 pm - 10:31 am
BHD
-
AUS
25h 26m2 stops
$798British Airways
Thu, Jan 1 - Sat, Jan 10
British Airways Logo
6:55 pm - 4:40 pm
AUS
-
BHD
15h 45m1 stop
British Airways Logo
3:05 pm - 10:31 am
BHD
-
AUS
25h 26m2 stops
$800British Airways
Thu, Jan 1 - Sat, Jan 10
British Airways Logo
3:21 pm - 4:35 pm
AUS
-
BHD
19h 14m2 stops
British Airways Logo
9:10 am - 4:50 pm
BHD
-
AUS
13h 40m1 stop
$802British Airways
Wed, Feb 11 - Sun, Feb 15
American Airlines Logo
1:15 pm - 10:15 am
AUS
-
BHD
15h 00m2 stops
American Airlines Logo
9:10 am - 10:04 pm
BHD
-
AUS
18h 54m2 stops
$810American Airlines
Wed, Feb 11 - Sun, Feb 15
British Airways Logo
11:21 am - 9:10 am
AUS
-
BHD
15h 49m2 stops
British Airways Logo
10:40 am - 10:04 pm
BHD
-
AUS
17h 24m2 stops
$812British Airways
Wed, Feb 11 - Sun, Feb 15
Multiple Airlines Logo
5:50 am - 2:55 pm
AUS
-
BFS
27h 05m3 stops
Multiple Airlines Logo
11:05 pm - 11:24 pm
BFS
-
AUS
30h 19m3 stops
$1,016Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
5:50 am - 3:10 pm
AUS
-
BFS
27h 20m3 stops
Multiple Airlines Logo
9:00 pm - 11:24 pm
BFS
-
AUS
32h 24m3 stops
$1,022Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
5:50 am - 8:50 pm
AUS
-
BFS
33h 00m3 stops
Multiple Airlines Logo
9:00 pm - 11:24 pm
BFS
-
AUS
32h 24m3 stops
$1,027Multiple Airlines
Fri, Jan 16 - Fri, Jan 23

American Airlines flights from Austin to Belfast

Our best American Airlines deals on Austin to Belfast flight tickets
American Airlines
Feb 11
AUS1:15 pmAustin Bergstrom
15h 00m
2 stops
BHD10:15 amBelfast City
Feb 15
BHD9:10 amBelfast City
18h 54m
2 stops
AUS10:04 pmAustin Bergstrom
$810
Find similar
American Airlines
Jan 2
AUS11:10 amAustin Bergstrom
17h 20m
2 stops
BHD10:30 amBelfast City
May 29
BHD9:30 amBelfast City
18h 57m
2 stops
AUS10:27 pmAustin Bergstrom
$1,270
Find similar

British Airways flights from Austin to Belfast

Our best British Airways deals on Austin to Belfast flight tickets
British Airways
Feb 11
AUS7:00 pmAustin Bergstrom
13h 15m
1 stop
BHD2:15 pmBelfast City
Feb 15
BHD8:25 pmBelfast City
26h 25m
1 stop
AUS4:50 pmAustin Bergstrom
$597
Find similar
British Airways
Jan 1
AUS5:25 amAustin Bergstrom
22h 55m
2 stops
BHD10:20 amBelfast City
Jan 10
BHD3:05 pmBelfast City
25h 26m
2 stops
AUS10:31 amAustin Bergstrom
$798
Find similar
British Airways
Jan 1
AUS6:55 pmAustin Bergstrom
15h 45m
1 stop
BHD4:40 pmBelfast City
Jan 10
BHD3:05 pmBelfast City
25h 26m
2 stops
AUS10:31 amAustin Bergstrom
$800
Find similar

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 December 4, 2025.
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

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Wed 2/11

7:00 pm-2:15 pm

1 stop13h 15m

Belfast City

Sun 2/15

8:25 pm-4:50 pm

1 stop26h 25m

$597

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Wed 2/11

5:10 pm-4:50 pm

2 stops17h 40m

Belfast City

Sun 2/15

5:20 pm-4:10 pm

1 stop28h 50m

$645

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Thu 1/1

5:25 am-10:20 am

2 stops22h 55m

Belfast City

Sat 1/10

3:05 pm-10:31 am

2 stops25h 26m

$798

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Thu 1/1

6:55 pm-4:40 pm

1 stop15h 45m

Belfast City

Sat 1/10

3:05 pm-10:31 am

2 stops25h 26m

$800

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Wed 2/11

3:21 pm-4:35 pm

2 stops19h 14m

Belfast City

Sun 2/15

9:10 am-4:50 pm

1 stop13h 40m

$802

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Wed 2/11

1:15 pm-10:15 am

2 stops15h 00m

Belfast City

Sun 2/15

9:10 am-10:04 pm

2 stops18h 54m

$810

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Wed 2/11

11:21 am-9:10 am

2 stops15h 49m

Belfast City

Sun 2/15

10:40 am-10:04 pm

2 stops17h 24m

$812

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Sun 1/18

5:50 am-2:55 pm

3 stops27h 05m

Belfast Intl

Sun 1/25

11:05 pm-11:24 pm

3 stops30h 19m

$1,016

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Fri 1/16

5:50 am-3:10 pm

3 stops27h 20m

Belfast Intl

Fri 1/23

9:00 pm-11:24 pm

3 stops32h 24m

$1,022

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Fri 1/16

5:50 am-8:50 pm

3 stops33h 00m

Belfast Intl

Fri 1/23

9:00 pm-11:24 pm

3 stops32h 24m

$1,027

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Austin to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Belfast?

The cheapest day to depart from Austin to Belfast is on a Friday when prices can be found for as low as $776. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Austin to Belfast for around $1,288.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest Austin to Belfast flights are usually those with departure times at noon. Our users have found flights to Belfast at noon for as low as $759. Try not to purchase tickets in the afternoon because they tend to be around $980. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 15m

Direct flights

None
The fastest flight from Austin to Belfast takes 13h 15m
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 $751Free CancellationRating
6.7
7,562 reviews
Search British Airways flights

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.

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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