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Cheap flights from Austin to Belfast from £243

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 11/11. 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

Find the cheapest flights from Austin to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:55 - 16:50
AUS
-
BHD
15h 55m
1 stop
British Airways Logo
17:45 - 16:45
BHD
-
AUS
29h 00m
1 stop
£684British Airways
Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
18:55 - 16:50
AUS
-
BHD
15h 55m
1 stop
British Airways Logo
17:45 - 16:45
BHD
-
AUS
29h 00m
1 stop
£685British Airways
Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
22:30 - 20:35
AUS
-
BHD
16h 05m
1 stop
British Airways Logo
06:30 - 20:35
BHD
-
AUS
20h 05m
1 stop
£742British Airways
Thu, 27 Aug - Fri, 11 Sep
British Airways Logo
16:35 - 08:40
AUS
-
BHD
34h 05m
2 stops
British Airways Logo
19:35 - 20:35
BHD
-
AUS
31h 00m
1 stop
£744British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
16:35 - 08:40
AUS
-
BHD
34h 05m
2 stops
British Airways Logo
15:20 - 15:25
BHD
-
AUS
30h 05m
1 stop
£745British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
16:35 - 08:40
AUS
-
BHD
34h 05m
2 stops
British Airways Logo
19:35 - 15:25
BHD
-
AUS
25h 50m
1 stop
£748British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
16:35 - 08:40
AUS
-
BHD
34h 05m
2 stops
British Airways Logo
15:20 - 15:25
BHD
-
AUS
30h 05m
1 stop
£749British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
22:30 - 20:30
AUS
-
BHD
16h 00m
1 stop
British Airways Logo
19:35 - 20:35
BHD
-
AUS
31h 00m
1 stop
£756British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
17:55 - 15:05
AUS
-
BHD
15h 10m
1 stop
British Airways Logo
15:20 - 15:25
BHD
-
AUS
30h 05m
1 stop
£757British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
22:30 - 20:30
AUS
-
BHD
16h 00m
1 stop
British Airways Logo
19:35 - 20:35
BHD
-
AUS
31h 00m
1 stop
£759British Airways
Sat, 22 Aug - Mon, 31 Aug

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American Airlines flights from Austin to Belfast

Our best American Airlines deals on Austin to Belfast flight tickets
American Airlines
27 Aug
AUS19:50Austin Bergstrom
17h 35m
2 stops
BHD19:25Belfast City
11 Sept
BHD06:30Belfast City
19h 25m
2 stops
AUS19:55Austin Bergstrom
£769
American Airlines
22 Aug
AUS12:42Austin Bergstrom
15h 23m
2 stops
BHD10:05Belfast City
31 Aug
BHD06:30Belfast City
17h 52m
2 stops
AUS18:22Austin Bergstrom
£805
American Airlines
22 Aug
AUS12:42Austin Bergstrom
15h 23m
2 stops
BHD10:05Belfast City
31 Aug
BHD06:30Belfast City
17h 52m
2 stops
AUS18:22Austin Bergstrom
£806

British Airways flights from Austin to Belfast

Our best British Airways deals on Austin to Belfast flight tickets
British Airways
17 Jan
AUS18:55Austin Bergstrom
15h 55m
1 stop
BHD16:50Belfast City
21 Jan
BHD17:45Belfast City
29h 00m
1 stop
AUS16:45Austin Bergstrom
£684
British Airways
17 Jan
AUS18:55Austin Bergstrom
15h 55m
1 stop
BHD16:50Belfast City
21 Jan
BHD17:45Belfast City
29h 00m
1 stop
AUS16:45Austin Bergstrom
£685
British Airways
27 Aug
AUS22:30Austin Bergstrom
16h 05m
1 stop
BHD20:35Belfast City
11 Sept
BHD06:30Belfast City
20h 05m
1 stop
AUS20:35Austin Bergstrom
£742

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 22 July 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 return flight

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 17/1

18:55-16:50

1 stop15h 55m

Belfast City

Thu 21/1

17:45-16:45

1 stop29h 00m

£684

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 17/1

18:55-16:50

1 stop15h 55m

Belfast City

Thu 21/1

17:45-16:45

1 stop29h 00m

£685
Fastest return journey

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Thu 27/8

22:30-20:35

1 stop16h 05m

Belfast City

Fri 11/9

06:30-20:35

1 stop20h 05m

£742

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

16:35-08:40

2 stops34h 05m

Belfast City

Mon 31/8

19:35-20:35

1 stop31h 00m

£744

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

16:35-08:40

2 stops34h 05m

Belfast City

Mon 31/8

15:20-15:25

1 stop30h 05m

£745

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

16:35-08:40

2 stops34h 05m

Belfast City

Mon 31/8

19:35-15:25

1 stop25h 50m

£748

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

16:35-08:40

2 stops34h 05m

Belfast City

Mon 31/8

15:20-15:25

1 stop30h 05m

£749

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-20:30

1 stop16h 00m

Belfast City

Mon 31/8

19:35-20:35

1 stop31h 00m

£756

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

17:55-15:05

1 stop15h 10m

Belfast City

Mon 31/8

15:20-15:25

1 stop30h 05m

£757

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-20:30

1 stop16h 00m

Belfast City

Mon 31/8

19:35-20:35

1 stop31h 00m

£759

Flights are sorted by cheapest return 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 airline that flies from Austin Bergstrom to Belfast?

British Airways is the most popular carrier operating from Austin Bergstrom to Belfast

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

15h 47m

Direct flights

None
The fastest flight from Austin to Belfast takes 15h 47m
There are no direct flights from Austin to Belfast. There are no popular flight routes from Austin to Belfast.
Search flight deals

Frequently asked questions about flying from Austin to Belfast

  • How far is Austin Bergstrom to Belfast by plane?

    Austin Bergstrom and Belfast are 4607.0 mi apart from one another. Typically, this will take 15h 47m by plane in normal conditions.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents required for your trip to Belfast can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find Austin to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

momondo does allow users to show only those flights to Belfast from Austin which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Belfast from Austin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Belfast from Austin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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