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Cheap flights from Austin to Belfast from £282

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 15/12. 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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Cheap return flights

Multiple Airlines Logo
12:12 - 17:00AUS-BFS
23h 48m3 stops
Multiple Airlines Logo
16:35 - 16:50BFS-AUS
30h 15m3 stops
£905Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
17:10 - 20:25AUS-BFS
22h 15m2 stops
Multiple Airlines Logo
16:35 - 16:50BFS-AUS
30h 15m3 stops
£963Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov

momondo Fare Finder

 
Customise your flight search to find flights from Austin to Belfast Intl Airport 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 September 2025.
Use the filters below to find and compare flights from Austin to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Thu 30/10

12:12-17:00

3 stops23h 48m

Belfast Intl

Thu 6/11

16:35-16:50

3 stops30h 15m

£905

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Thu 30/10

17:10-20:25

2 stops22h 15m

Belfast Intl

Thu 6/11

16:35-16:50

3 stops30h 15m

£963

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Mon 15/12

10:35-16:45

3 stops24h 10m

£282

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Sun 19/10

12:27-15:40

2 stops21h 13m

£647

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Sun 19/10

12:27-20:20

2 stops25h 53m

£648

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Austin to Belfast Intl Airport

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 typical price of a round-trip flight between Austin and Belfast Intl Airport?

When to book flights from Austin to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Austin to Belfast Intl Airport (AUS to BFS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Belfast Intl Airport

Direct flights

None
There are no direct flights from Austin to Belfast Intl Airport. There are no popular flight routes from Austin to Belfast Intl Airport.
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  • How far is Austin Bergstrom to Belfast Intl by plane?

    The straight-line distance from Austin Bergstrom to Belfast Intl is 4594.9 mi. Typically, this will take 22h 15m by plane in normal conditions.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Belfast Intl Airport?

    Prices for flights from Austin Bergstrom Airport to Belfast Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Austin Bergstrom Airport to Belfast Intl Airport?

    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 Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The travel and health documents required for your trip to Belfast Intl Airport 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 Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Ballymena
Newry
Armagh
Cookstown
Dungannon
Portadown

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Belfast?

Finding the right flight to Belfast from Austin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

Can I find flights from Austin to Belfast with flexible booking policies on momondo?

All flight searches from Austin to Belfast on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Austin to Belfast?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Austin to Belfast.

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 Intl Airport trip

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