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Cheap flights from Austin to Belfast from £518

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 5/8. 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 return flights

Enter your travel dates to find the best prices.
British Airways Logo
22:30 - 08:40
AUS
-
BHD
28h 10m
1 stop
British Airways Logo
18:30 - 15:25
BHD
-
AUS
26h 55m
1 stop
£571British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
22:30 - 08:40
AUS
-
BHD
28h 10m
1 stop
British Airways Logo
19:35 - 20:35
BHD
-
AUS
31h 00m
1 stop
£572British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
08:38 - 18:15
AUS
-
BHD
27h 37m
2 stops
British Airways Logo
19:35 - 23:59
BHD
-
AUS
34h 24m
2 stops
£587British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
08:38 - 15:05
AUS
-
BHD
24h 27m
2 stops
British Airways Logo
19:35 - 23:59
BHD
-
AUS
34h 24m
2 stops
£588British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
16:40 - 15:05
AUS
-
BHD
16h 25m
2 stops
British Airways Logo
19:35 - 15:25
BHD
-
AUS
25h 50m
1 stop
£593British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
16:40 - 15:05
AUS
-
BHD
16h 25m
2 stops
British Airways Logo
18:30 - 15:25
BHD
-
AUS
26h 55m
1 stop
£600British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
22:30 - 08:40
AUS
-
BHD
28h 10m
1 stop
British Airways Logo
18:30 - 15:25
BHD
-
AUS
26h 55m
1 stop
£607British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
22:30 - 08:40
AUS
-
BHD
28h 10m
1 stop
British Airways Logo
18:30 - 15:25
BHD
-
AUS
26h 55m
1 stop
£608British Airways
Sat, 22 Aug - Mon, 31 Aug
Multiple Airlines Logo
22:30 - 20:50
AUS
-
BFS
16h 20m
2 stops
Multiple Airlines Logo
22:25 - 15:25
BFS
-
AUS
47h 00m
2 stops
£858Multiple Airlines
Sat, 1 Aug - Sat, 8 Aug
Multiple Airlines Logo
13:26 - 22:00
AUS
-
BFS
27h 34m
3 stops
Multiple Airlines Logo
06:55 - 12:21
BFS
-
AUS
34h 26m
3 stops
£1,055Multiple Airlines
Fri, 20 Mar - Wed, 25 Mar

British Airways flights from Austin to Belfast

Our best British Airways deals on Austin to Belfast flight tickets
British Airways
22 Aug
AUS22:30Austin Bergstrom
28h 10m
1 stop
BHD08:40Belfast City
31 Aug
BHD18:30Belfast City
26h 55m
1 stop
AUS15:25Austin Bergstrom
£571
British Airways
22 Aug
AUS22:30Austin Bergstrom
28h 10m
1 stop
BHD08:40Belfast City
31 Aug
BHD19:35Belfast City
31h 00m
1 stop
AUS20:35Austin Bergstrom
£572
British Airways
22 Aug
AUS08:38Austin Bergstrom
27h 37m
2 stops
BHD18:15Belfast City
31 Aug
BHD19:35Belfast City
34h 24m
2 stops
AUS23:59Austin Bergstrom
£587

American Airlines flights from Austin to Belfast

Our best American Airlines deals on Austin to Belfast flight tickets
American Airlines
17 Apr
AUS20:30Austin Bergstrom
15h 40m
2 stops
BHD18:10Belfast City
25 Apr
BHD07:05Belfast City
19h 54m
2 stops
AUS20:59Austin Bergstrom
£633
American Airlines
17 Apr
AUS20:30Austin Bergstrom
15h 40m
2 stops
BHD18:10Belfast City
25 Apr
BHD07:05Belfast City
19h 54m
2 stops
AUS20:59Austin Bergstrom
£668

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 7 March 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

Sat 22/8

22:30-08:40

1 stop28h 10m

Belfast City

Mon 31/8

18:30-15:25

1 stop26h 55m

£571

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-08:40

1 stop28h 10m

Belfast City

Mon 31/8

19:35-20:35

1 stop31h 00m

£572

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

08:38-18:15

2 stops27h 37m

Belfast City

Mon 31/8

19:35-23:59

2 stops34h 24m

£587

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

08:38-15:05

2 stops24h 27m

Belfast City

Mon 31/8

19:35-23:59

2 stops34h 24m

£588
Fastest return journey

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

16:40-15:05

2 stops16h 25m

Belfast City

Mon 31/8

19:35-15:25

1 stop25h 50m

£593

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

16:40-15:05

2 stops16h 25m

Belfast City

Mon 31/8

18:30-15:25

1 stop26h 55m

£600

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-08:40

1 stop28h 10m

Belfast City

Mon 31/8

18:30-15:25

1 stop26h 55m

£607

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-08:40

1 stop28h 10m

Belfast City

Mon 31/8

18:30-15:25

1 stop26h 55m

£608

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Sat 1/8

22:30-20:50

2 stops16h 20m

Belfast Intl

Sat 8/8

22:25-15:25

2 stops47h 00m

£858

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Fri 20/3

13:26-22:00

3 stops27h 34m

Belfast Intl

Wed 25/3

06:55-12:21

3 stops34h 26m

£1,055

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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 10m

Direct flights

None
The fastest flight from Austin to Belfast takes 15h 10m
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?

    Austin Bergstrom and Belfast are 4607.0 mi apart from one another. Typically, this will take 15h 10m 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