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Cheap flights from Austin to Belfast from £309

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 7/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 - 17:40
AUS
-
BHD
13h 10m
1 stop
British Airways Logo
15:20 - 15:25
BHD
-
AUS
30h 05m
1 stop
£679British Airways
Sun, 6 Sep - Mon, 21 Sep
British Airways Logo
22:30 - 17:40
AUS
-
BHD
13h 10m
1 stop
British Airways Logo
19:35 - 00:16
BHD
-
AUS
34h 41m
2 stops
£699British Airways
Sun, 6 Sep - Mon, 21 Sep
British Airways Logo
15:28 - 14:35
AUS
-
BHD
17h 07m
2 stops
British Airways Logo
19:35 - 00:16
BHD
-
AUS
34h 41m
2 stops
£701British Airways
Sun, 6 Sep - Mon, 21 Sep
British Airways Logo
17:55 - 12:00
AUS
-
BHD
12h 05m
1 stop
British Airways Logo
12:40 - 20:35
BHD
-
AUS
13h 55m
1 stop
£712British Airways
Wed, 5 Aug - Tue, 29 Sep
British Airways Logo
15:42 - 13:35
AUS
-
BHD
15h 53m
2 stops
British Airways Logo
09:40 - 20:35
BHD
-
AUS
16h 55m
1 stop
£732British Airways
Wed, 5 Aug - Tue, 29 Sep
American Airlines Logo
15:42 - 13:35
AUS
-
BHD
15h 53m
2 stops
American Airlines Logo
12:40 - 23:48
BHD
-
AUS
17h 08m
2 stops
£738American Airlines
Wed, 5 Aug - Tue, 29 Sep
British Airways Logo
22:30 - 19:20
AUS
-
BHD
14h 50m
1 stop
British Airways Logo
11:35 - 15:25
BHD
-
AUS
33h 50m
1 stop
£738British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
22:30 - 20:30
AUS
-
BHD
16h 00m
1 stop
British Airways Logo
15:20 - 20:35
BHD
-
AUS
35h 15m
1 stop
£739British Airways
Sat, 22 Aug - Mon, 31 Aug
Multiple Airlines Logo
18:05 - 16:55
AUS
-
BHD
16h 50m
1 stop
Multiple Airlines Logo
17:30 - 15:30
BHD
-
AUS
28h 00m
2 stops
£741Multiple Airlines
Sat, 22 Aug - Mon, 31 Aug
Multiple Airlines Logo
18:05 - 16:55
AUS
-
BHD
16h 50m
1 stop
Multiple Airlines Logo
17:30 - 15:30
BHD
-
AUS
28h 00m
2 stops
£741Multiple Airlines
Sat, 22 Aug - Mon, 31 Aug

KLM flights from Austin to Belfast

Our best KLM deals on Austin to Belfast flight tickets
KLM
16 Jul
AUS18:04Austin Bergstrom
16h 51m
2 stops
BHD16:55Belfast City
22 Jul
BHD09:50Belfast City
20h 28m
2 stops
AUS00:18Austin Bergstrom
£871
KLM
16 Jul
AUS18:04Austin Bergstrom
16h 51m
2 stops
BHD16:55Belfast City
22 Jul
BHD09:50Belfast City
16h 32m
2 stops
AUS20:22Austin Bergstrom
£872
KLM
16 Jul
AUS07:35Austin Bergstrom
19h 45m
2 stops
BHD09:20Belfast City
22 Jul
BHD17:30Belfast City
29h 31m
2 stops
AUS17:01Austin Bergstrom
£873

British Airways flights from Austin to Belfast

Our best British Airways deals on Austin to Belfast flight tickets
British Airways
6 Sept
AUS22:30Austin Bergstrom
13h 10m
1 stop
BHD17:40Belfast City
21 Sept
BHD15:20Belfast City
30h 05m
1 stop
AUS15:25Austin Bergstrom
£679
British Airways
6 Sept
AUS22:30Austin Bergstrom
13h 10m
1 stop
BHD17:40Belfast City
21 Sept
BHD19:35Belfast City
34h 41m
2 stops
AUS00:16Austin Bergstrom
£699
British Airways
6 Sept
AUS15:28Austin Bergstrom
17h 07m
2 stops
BHD14:35Belfast City
21 Sept
BHD19:35Belfast City
34h 41m
2 stops
AUS00:16Austin Bergstrom
£701

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 17 May 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 6/9

22:30-17:40

1 stop13h 10m

Belfast City

Mon 21/9

15:20-15:25

1 stop30h 05m

£679

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 6/9

22:30-17:40

1 stop13h 10m

Belfast City

Mon 21/9

19:35-00:16

2 stops34h 41m

£699

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 6/9

15:28-14:35

2 stops17h 07m

Belfast City

Mon 21/9

19:35-00:16

2 stops34h 41m

£701
Fastest return journey

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Wed 5/8

17:55-12:00

1 stop12h 05m

Belfast City

Tue 29/9

12:40-20:35

1 stop13h 55m

£712

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Wed 5/8

15:42-13:35

2 stops15h 53m

Belfast City

Tue 29/9

09:40-20:35

1 stop16h 55m

£732

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Wed 5/8

15:42-13:35

2 stops15h 53m

Belfast City

Tue 29/9

12:40-23:48

2 stops17h 08m

£738

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-19:20

1 stop14h 50m

Belfast City

Mon 31/8

11:35-15:25

1 stop33h 50m

£738

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-20:30

1 stop16h 00m

Belfast City

Mon 31/8

15:20-20:35

1 stop35h 15m

£739

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

18:05-16:55

1 stop16h 50m

Belfast City

Mon 31/8

17:30-15:30

2 stops28h 00m

£741

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

18:05-16:55

1 stop16h 50m

Belfast City

Mon 31/8

17:30-15:30

2 stops28h 00m

£741

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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

13h 10m

Direct flights

None
The fastest flight from Austin to Belfast takes 13h 10m
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 13h 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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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