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Cheap flights from Austin to Belfast from £296

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 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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
17:55 - 15:05
AUS
-
BHD
15h 10m
1 stop
British Airways Logo
15:20 - 15:25
BHD
-
AUS
30h 05m
1 stop
£672British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
22:30 - 18:15
AUS
-
BHD
13h 45m
1 stop
British Airways Logo
19:35 - 15:25
BHD
-
AUS
25h 50m
1 stop
£673British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
22:30 - 18:15
AUS
-
BHD
13h 45m
1 stop
British Airways Logo
19:35 - 20:35
BHD
-
AUS
31h 00m
1 stop
£674British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
15:39 - 15:05
AUS
-
BHD
17h 26m
2 stops
British Airways Logo
19:35 - 15:25
BHD
-
AUS
25h 50m
1 stop
£708British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
16:48 - 18:15
AUS
-
BHD
19h 27m
2 stops
British Airways Logo
19:35 - 20:35
BHD
-
AUS
31h 00m
1 stop
£709British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
16:48 - 19:20
AUS
-
BHD
20h 32m
2 stops
British Airways Logo
15:20 - 20:35
BHD
-
AUS
35h 15m
1 stop
£717British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
16:48 - 15:05
AUS
-
BHD
16h 17m
2 stops
British Airways Logo
19:35 - 23:59
BHD
-
AUS
34h 24m
2 stops
£718British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
15:39 - 15:05
AUS
-
BHD
17h 26m
2 stops
British Airways Logo
19:35 - 23:59
BHD
-
AUS
34h 24m
2 stops
£718British Airways
Sat, 22 Aug - Mon, 31 Aug
American Airlines Logo
20:30 - 19:25
AUS
-
BHD
16h 55m
2 stops
American Airlines Logo
09:35 - 21:56
BHD
-
AUS
18h 21m
2 stops
£731American Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
09:55 - 14:25
AUS
-
BFS
22h 30m
2 stops
Multiple Airlines Logo
18:35 - 14:00
BFS
-
AUS
25h 25m
2 stops
£960Multiple Airlines
Fri, 1 May - Fri, 8 May

British Airways flights from Austin to Belfast

Our best British Airways deals on Austin to Belfast flight tickets
British Airways
22 Aug
AUS17:55Austin Bergstrom
15h 10m
1 stop
BHD15:05Belfast City
31 Aug
BHD15:20Belfast City
30h 05m
1 stop
AUS15:25Austin Bergstrom
£672
British Airways
22 Aug
AUS22:30Austin Bergstrom
13h 45m
1 stop
BHD18:15Belfast City
31 Aug
BHD19:35Belfast City
25h 50m
1 stop
AUS15:25Austin Bergstrom
£673
British Airways
22 Aug
AUS22:30Austin Bergstrom
13h 45m
1 stop
BHD18:15Belfast City
31 Aug
BHD19:35Belfast City
31h 00m
1 stop
AUS20:35Austin Bergstrom
£674

American Airlines flights from Austin to Belfast

Our best American Airlines deals on Austin to Belfast flight tickets
American Airlines
16 Apr
AUS20:30Austin Bergstrom
16h 55m
2 stops
BHD19:25Belfast City
23 Apr
BHD09:35Belfast City
18h 21m
2 stops
AUS21:56Austin Bergstrom
£731
American Airlines
2 May
AUS20:30Austin Bergstrom
16h 50m
2 stops
BHD19:20Belfast City
9 May
BHD07:05Belfast City
19h 54m
2 stops
AUS20:59Austin Bergstrom
£769
American Airlines
16 Apr
AUS17:55Austin Bergstrom
15h 35m
1 stop
BHD15:30Belfast City
23 Apr
BHD12:45Belfast City
13h 50m
1 stop
AUS20:35Austin Bergstrom
£1,551

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 21 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

17:55-15:05

1 stop15h 10m

Belfast City

Mon 31/8

15:20-15:25

1 stop30h 05m

£672

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-18:15

1 stop13h 45m

Belfast City

Mon 31/8

19:35-15:25

1 stop25h 50m

£673

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-18:15

1 stop13h 45m

Belfast City

Mon 31/8

19:35-20:35

1 stop31h 00m

£674

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

15:39-15:05

2 stops17h 26m

Belfast City

Mon 31/8

19:35-15:25

1 stop25h 50m

£708

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

16:48-18:15

2 stops19h 27m

Belfast City

Mon 31/8

19:35-20:35

1 stop31h 00m

£709

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

16:48-19:20

2 stops20h 32m

Belfast City

Mon 31/8

15:20-20:35

1 stop35h 15m

£717

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

16:48-15:05

2 stops16h 17m

Belfast City

Mon 31/8

19:35-23:59

2 stops34h 24m

£718

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

15:39-15:05

2 stops17h 26m

Belfast City

Mon 31/8

19:35-23:59

2 stops34h 24m

£718
Fastest return journey

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Thu 16/4

20:30-19:25

2 stops16h 55m

Belfast City

Thu 23/4

09:35-21:56

2 stops18h 21m

£731

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Fri 1/5

09:55-14:25

2 stops22h 30m

Belfast Intl

Fri 8/5

18:35-14:00

2 stops25h 25m

£960

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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, KLM, and Aer Lingus are the most popular carriers 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 00m

Direct flights

None
The fastest flight from Austin to Belfast takes 13h 00m
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 13h 00m 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