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Cheap flights from Austin to Belfast from £671

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Belfast departing on 16/8. 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
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
22:30 - 18:45
AUS
-
BHD
14h 15m
1 stop
British Airways Logo
20:35 - 20:35
BHD
-
AUS
30h 00m
1 stop
£671British Airways
Sun, 16 Aug - Thu, 20 Aug
British Airways Logo
17:55 - 14:35
AUS
-
BHD
14h 40m
1 stop
British Airways Logo
06:30 - 20:35
BHD
-
AUS
20h 05m
1 stop
£672British Airways
Sun, 23 Aug - Thu, 27 Aug
British Airways Logo
22:30 - 18:45
AUS
-
BHD
14h 15m
1 stop
British Airways Logo
19:30 - 15:25
BHD
-
AUS
25h 55m
1 stop
£674British Airways
Sun, 23 Aug - Thu, 27 Aug
British Airways Logo
22:30 - 19:20
AUS
-
BHD
14h 50m
1 stop
British Airways Logo
19:35 - 20:35
BHD
-
AUS
31h 00m
1 stop
£705British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
22:30 - 19:20
AUS
-
BHD
14h 50m
1 stop
British Airways Logo
19:35 - 20:35
BHD
-
AUS
31h 00m
1 stop
£706British Airways
Sat, 22 Aug - Mon, 31 Aug
British Airways Logo
22:30 - 19:20
AUS
-
BHD
14h 50m
1 stop
British Airways Logo
19:35 - 20:35
BHD
-
AUS
31h 00m
1 stop
£707British 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 - 20:35
BHD
-
AUS
31h 00m
1 stop
£740British 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 - 15:25
BHD
-
AUS
25h 50m
1 stop
£743British Airways
Sat, 22 Aug - Mon, 31 Aug
Multiple Airlines Logo
06:00 - 22:40
AUS
-
BFS
34h 40m
3 stops
Multiple Airlines Logo
06:20 - 09:31
BFS
-
AUS
33h 11m
3 stops
£949Multiple Airlines
Sat, 9 May - Sat, 16 May
Multiple Airlines Logo
18:05 - 17:10
AUS
-
BFS
17h 05m
1 stop
Multiple Airlines Logo
10:10 - 09:31
BFS
-
AUS
29h 21m
2 stops
£1,275Multiple Airlines
Sat, 9 May - Sat, 16 May

British Airways flights from Austin to Belfast

Our best British Airways deals on Austin to Belfast flight tickets
British Airways
16 Aug
AUS22:30Austin Bergstrom
14h 15m
1 stop
BHD18:45Belfast City
20 Aug
BHD20:35Belfast City
30h 00m
1 stop
AUS20:35Austin Bergstrom
£671
British Airways
23 Aug
AUS17:55Austin Bergstrom
14h 40m
1 stop
BHD14:35Belfast City
27 Aug
BHD06:30Belfast City
20h 05m
1 stop
AUS20:35Austin Bergstrom
£672
British Airways
23 Aug
AUS22:30Austin Bergstrom
14h 15m
1 stop
BHD18:45Belfast City
27 Aug
BHD19:30Belfast City
25h 55m
1 stop
AUS15:25Austin Bergstrom
£674

American Airlines flights from Austin to Belfast

Our best American Airlines deals on Austin to Belfast flight tickets
American Airlines
20 Apr
AUS20:30Austin Bergstrom
15h 00m
2 stops
BHD17:30Belfast City
12 May
BHD12:40Belfast City
13h 55m
1 stop
AUS20:35Austin Bergstrom
£753
American Airlines
22 Aug
AUS19:50Austin Bergstrom
16h 25m
2 stops
BHD18:15Belfast City
31 Aug
BHD09:40Belfast City
19h 00m
2 stops
AUS22:40Austin Bergstrom
£755
American Airlines
22 Aug
AUS17:33Austin Bergstrom
15h 32m
2 stops
BHD15:05Belfast City
31 Aug
BHD06:30Belfast City
16h 13m
2 stops
AUS16:43Austin Bergstrom
£755

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 12 April 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 16/8

22:30-18:45

1 stop14h 15m

Belfast City

Thu 20/8

20:35-20:35

1 stop30h 00m

£671
Fastest return journey

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 23/8

17:55-14:35

1 stop14h 40m

Belfast City

Thu 27/8

06:30-20:35

1 stop20h 05m

£672

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 23/8

22:30-18:45

1 stop14h 15m

Belfast City

Thu 27/8

19:30-15:25

1 stop25h 55m

£674

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-19:20

1 stop14h 50m

Belfast City

Mon 31/8

19:35-20:35

1 stop31h 00m

£705

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-19:20

1 stop14h 50m

Belfast City

Mon 31/8

19:35-20:35

1 stop31h 00m

£706

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

22:30-19:20

1 stop14h 50m

Belfast City

Mon 31/8

19:35-20:35

1 stop31h 00m

£707

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

15:39-15:05

2 stops17h 26m

Belfast City

Mon 31/8

19:35-20:35

1 stop31h 00m

£740

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 22/8

16:48-18:15

2 stops19h 27m

Belfast City

Mon 31/8

19:35-15:25

1 stop25h 50m

£743

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Sat 9/5

06:00-22:40

3 stops34h 40m

Belfast Intl

Sat 16/5

06:20-09:31

3 stops33h 11m

£949

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Sat 9/5

18:05-17:10

1 stop17h 05m

Belfast Intl

Sat 16/5

10:10-09:31

2 stops29h 21m

£1,275

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

12h 30m

Direct flights

None
The fastest flight from Austin to Belfast takes 12h 30m
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 12h 30m 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.

Frequently asked questions about flying from Austin to Belfast

  • How do I get Price Alerts for flights from Austin to Belfast?

    Confirm your travel details to search for the latest offers for flights from Austin to Belfast. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Austin to Belfast with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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