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Cheap flights from Austin to Belfast from £675

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 15/11. 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 - 13:55AUS  Austin Bergstrom-BHD Belfast City
13h 00m1 stop London Heathrow
British Airways Logo
06:35 - 16:45BHD  Belfast City-AUS Austin Bergstrom
16h 10m1 stop London Heathrow
£675British Airways
Sun, 15 Nov - Wed, 18 Nov
British Airways Logo
18:55 - 16:50AUS  Austin Bergstrom-BHD Belfast City
15h 55m1 stop London Heathrow
British Airways Logo
17:45 - 16:45BHD  Belfast City-AUS Austin Bergstrom
29h 00m1 stop London Heathrow
£680British Airways
Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
18:55 - 16:50AUS  Austin Bergstrom-BHD Belfast City
15h 55m1 stop London Heathrow
British Airways Logo
17:45 - 16:45BHD  Belfast City-AUS Austin Bergstrom
29h 00m1 stop London Heathrow
£681British Airways
Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
18:55 - 16:50AUS  Austin Bergstrom-BHD Belfast City
15h 55m1 stop London Heathrow
British Airways Logo
17:45 - 16:45BHD  Belfast City-AUS Austin Bergstrom
29h 00m1 stop London Heathrow
£682British Airways
Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
11:44 - 10:20AUS  Austin Bergstrom-BHD Belfast City
16h 36m2 stops New York John F Kennedy Intl London Heathrow
British Airways Logo
09:05 - 16:45BHD  Belfast City-AUS Austin Bergstrom
13h 40m1 stop London Heathrow
£715British Airways
Thu, 19 Nov - Thu, 26 Nov
British Airways Logo
11:44 - 10:20AUS  Austin Bergstrom-BHD Belfast City
16h 36m2 stops New York John F Kennedy Intl London Heathrow
British Airways Logo
11:05 - 00:02BHD  Belfast City-AUS Austin Bergstrom
18h 57m2 stops London Heathrow Dallas/Fort Worth
£722British Airways
Thu, 19 Nov - Thu, 26 Nov
British Airways Logo
12:23 - 13:35AUS  Austin Bergstrom-BHD Belfast City
19h 12m2 stops New York John F Kennedy Intl London Heathrow
British Airways Logo
11:35 - 20:35BHD  Belfast City-AUS Austin Bergstrom
15h 00m1 stop London Heathrow
£731British Airways
Wed, 2 Sep - Wed, 9 Sep
British Airways Logo
06:27 - 15:40AUS  Austin Bergstrom-BHD Belfast City
27h 13m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
06:30 - 15:25BHD  Belfast City-AUS Austin Bergstrom
14h 55m1 stop London Heathrow
£732British Airways
Wed, 2 Sep - Fri, 11 Sep
British Airways Logo
22:30 - 18:45AUS  Austin Bergstrom-BHD Belfast City
14h 15m1 stop London Heathrow
British Airways Logo
18:30 - 15:38BHD  Belfast City-AUS Austin Bergstrom
27h 08m2 stops London Heathrow New York John F Kennedy Intl
£735British Airways
Mon, 5 Oct - Mon, 19 Oct
British Airways Logo
12:23 - 13:35AUS  Austin Bergstrom-BHD Belfast City
19h 12m2 stops New York John F Kennedy Intl London Heathrow
British Airways Logo
10:05 - 21:58BHD  Belfast City-AUS Austin Bergstrom
17h 53m2 stops London Heathrow Chicago O'Hare Intl
£736British Airways
Wed, 2 Sep - Wed, 9 Sep

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British Airways flights from Austin to Belfast

Our best British Airways deals on Austin to Belfast flight tickets
British Airways
15 Nov
AUS18:55Austin Bergstrom
13h 00m
1 stop
BHD13:55Belfast City
18 Nov
BHD06:35Belfast City
16h 10m
1 stop
AUS16:45Austin Bergstrom
£675
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
£680
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
£681

KLM flights from Austin to Belfast

Our best KLM deals on Austin to Belfast flight tickets
KLM
5 Oct
AUS10:25Austin Bergstrom
16h 55m
2 stops
BHD09:20Belfast City
19 Oct
BHD17:30Belfast City
28h 19m
2 stops
AUS15:49Austin Bergstrom
£743
KLM
22 Aug
AUS18:05Austin Bergstrom
16h 50m
1 stop
BHD16:55Belfast City
31 Aug
BHD17:30Belfast City
31h 26m
2 stops
AUS18:56Austin Bergstrom
£844
KLM
22 Aug
AUS18:05Austin Bergstrom
16h 50m
1 stop
BHD16:55Belfast City
31 Aug
BHD17:30Belfast City
31h 26m
2 stops
AUS18:56Austin Bergstrom
£845

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 August 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
Fastest return journey

AustinBelfast

AUS Austin Bergstrom - BHD Belfast City

AUSBHD

Austin Bergstrom

Sun 15/11

18:55-13:55

1 stop13h 00m

Belfast City

Wed 18/11

06:35-16:45

1 stop16h 10m

£675

AustinBelfast

AUS Austin Bergstrom - BHD Belfast City

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

£680

AustinBelfast

AUS Austin Bergstrom - BHD Belfast City

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

£681

AustinBelfast

AUS Austin Bergstrom - BHD Belfast City

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

£682

AustinBelfast

AUS Austin Bergstrom - BHD Belfast City

AUSBHD

Austin Bergstrom

Thu 19/11

11:44-10:20

2 stops16h 36m

Belfast City

Thu 26/11

09:05-16:45

1 stop13h 40m

£715

AustinBelfast

AUS Austin Bergstrom - BHD Belfast City

AUSBHD

Austin Bergstrom

Thu 19/11

11:44-10:20

2 stops16h 36m

Belfast City

Thu 26/11

11:05-00:02

2 stops18h 57m

£722

AustinBelfast

AUS Austin Bergstrom - BHD Belfast City

AUSBHD

Austin Bergstrom

Wed 2/9

12:23-13:35

2 stops19h 12m

Belfast City

Wed 9/9

11:35-20:35

1 stop15h 00m

£731

AustinBelfast

AUS Austin Bergstrom - BHD Belfast City

AUSBHD

Austin Bergstrom

Wed 2/9

06:27-15:40

2 stops27h 13m

Belfast City

Fri 11/9

06:30-15:25

1 stop14h 55m

£732

AustinBelfast

AUS Austin Bergstrom - BHD Belfast City

AUSBHD

Austin Bergstrom

Mon 5/10

22:30-18:45

1 stop14h 15m

Belfast City

Mon 19/10

18:30-15:38

2 stops27h 08m

£735

AustinBelfast

AUS Austin Bergstrom - BHD Belfast City

AUSBHD

Austin Bergstrom

Wed 2/9

12:23-13:35

2 stops19h 12m

Belfast City

Wed 9/9

10:05-21:58

2 stops17h 53m

£736

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

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.
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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 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.

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.

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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