What are the cheapest airlines flying from Austin to Belfast round-trip?

According to our current data, British Airways ($714), American Airlines ($718), and KLM ($1,175) offers the cheapest pricing from Austin to Belfast. British Airways is currently priced 25% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Austin to Belfast one-way?

The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $456. However, be on the lookout for offers from KLM and American Airlines, as they are both options that can get you from Austin to Belfast for a low price.

What is the cheapest month to book a flight from Austin to Belfast?

Currently, February is the cheapest month in which you can book a flight from Austin to Belfast (average of $657). Flying from Austin to Belfast in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Austin to Belfast?

Travelers seeking maximum savings on their Austin to Belfast flight should consider departing on Friday evenings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Austin to Belfast?

It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Austin to Belfast?

Our data shows that October tends to be the cheapest month to fly to Belfast from Austin. Users have commonly found prices around $958 for the month, but tickets can be as low as $638. Due to multiple factors, prepare for potentially higher prices in July.

What airport do you fly from for flights from Austin to Belfast?

Austin Bergstrom (AUS) is the airport you will fly out of if you book a flight from Austin to Belfast. You should not have trouble finding flights to Belfast from Austin Bergstrom; the airport handles an average of 0 outbound flights to Belfast per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Austin airport to Belfast. It is only a 7.5 mi journey to Austin Bergstrom (AUS) from Austin’s city center.

Can I find deals for flights from Austin to Belfast that include hotel bookings?

Yes. In addition to deals on Austin to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Austin to Belfast?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Belfast.

Can I find deals for business class flights from Austin to Belfast?

Yes. Cheapflights offers flight deals from Austin to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$372+ Flights from Austin to Belfast

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Austin to Belfast with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Austin to Belfast

Cheapest flights from Austin to Belfast
Explore the most affordable flight options available from Austin to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Wed 8/65:45 pmAUS - BHD

1 stop12h 10mBritish Airways

Tue 8/196:35 amBHD - AUS

1 stop15h 15mBritish Airways

Deal found 4/16

$719

Wed 8/65:45 pmAUS - BHD

1 stop12h 10mAmerican Airlines

Tue 8/196:35 amBHD - AUS

2 stops18h 24mAmerican Airlines

Deal found 4/16

$723

Sat 9/66:00 pmAUS - BHD

1 stop21h 15mDelta

Sat 9/276:30 amBHD - AUS

1 stop15h 30mDelta

Deal found 4/16

$784

Thu 4/246:00 pmAUS - BHD

1 stop21h 15mKLM

Fri 5/95:25 pmBHD - AUS

1 stop28h 35mKLM

Deal found 4/16

$850

Sun 6/81:39 pmAUS - BFS

2 stops24h 41mMultiple Airlines

Tue 6/1710:55 pmBFS - AUS

3 stops47h 08mMultiple Airlines

Deal found 4/16

$1,032

Thu 4/1711:55 amAUS - BHD

3 stops27h 00mMultiple Airlines

Wed 5/77:05 amBHD - AUS

2 stops35h 39mMultiple Airlines

Deal found 4/16

$1,210

Wed 5/75:45 pmAUS - BHD

1 stop12h 10mIberia

Sat 5/107:05 amBHD - AUS

1 stop14h 45mIberia

Deal found 4/16

$2,077

Sun 4/206:00 amAUS - BHD

3 stops32h 50mAer Lingus

Tue 4/226:00 pmBHD - AUS

3 stops27h 50mAer Lingus

Deal found 4/16

$4,571

Best flights from Austin to Belfast
Discover carefully curated flight deals from Austin to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Wed 8/610:20 pmAUS - BHD

1 stop16h 25mBritish Airways

Tue 8/196:35 amBHD - AUS

1 stop15h 15mBritish Airways

Deal found 4/17

$714

Wed 8/66:30 pmAUS - BHD

2 stops15h 05mAmerican Airlines

Tue 8/196:35 amBHD - AUS

1 stop15h 15mAmerican Airlines

Deal found 4/17

$718

Sun 6/81:39 pmAUS - BFS

2 stops24h 41mMultiple Airlines

Tue 6/1710:55 pmBFS - AUS

3 stops47h 08mMultiple Airlines

Deal found 4/16

$1,032

Sat 6/76:00 pmAUS - BHD

1 stop16h 55mKLM

Thu 6/196:30 amBHD - AUS

1 stop15h 30mKLM

Deal found 4/17

$1,175

Sat 6/72:43 pmAUS - BHD

2 stops24h 32mDelta

Thu 6/196:30 amBHD - AUS

1 stop15h 30mDelta

Deal found 4/17

$1,180

Last-minute flights from Austin to Belfast
Discover last-minute flight deals from Austin to Belfast. Data last updated April 17, 2025 and is based on user searches.

Sun 4/2012:07 pmAUS - BHD

2 stops17h 23mMultiple Airlines

Tue 4/227:05 amBHD - AUS

3 stops33h 12mMultiple Airlines

Deal found 4/16

$1,320

Sun 4/206:00 amAUS - BHD

3 stops32h 50mAer Lingus

Tue 4/226:00 pmBHD - AUS

3 stops27h 50mAer Lingus

Deal found 4/16

$4,571

Thu 4/246:10 pmAUS - BHD

2 stops15h 20mAmerican Airlines

Fri 5/96:35 amBHD - AUS

1 stop19h 45mAmerican Airlines

Deal found 4/16

$767

Thu 4/248:29 pmAUS - BHD

2 stops16h 16mBritish Airways

Fri 5/911:55 amBHD - AUS

2 stops17h 07mBritish Airways

Deal found 4/16

$777

Thu 4/246:00 pmAUS - BHD

1 stop21h 15mKLM

Fri 5/95:25 pmBHD - AUS

1 stop28h 35mKLM

Deal found 4/16

$850

Thu 4/241:15 pmAUS - BHD

2 stops15h 55mAmerican Airlines

Fri 5/911:55 amBHD - AUS

1 stop14h 25mAmerican Airlines

Deal found 4/17

$768

Thu 4/248:29 pmAUS - BHD

2 stops16h 16mBritish Airways

Fri 5/911:55 amBHD - AUS

2 stops16h 17mBritish Airways

Deal found 4/17

$778

Thu 4/246:00 pmAUS - BHD

1 stop21h 15mKLM

Fri 5/95:25 pmBHD - AUS

1 stop28h 35mKLM

Deal found 4/17

$850

Sat 5/312:07 pmAUS - BFS

3 stops26h 48mMultiple Airlines

Sat 6/75:45 amBFS - AUS

3 stops34h 55mMultiple Airlines

Deal found 4/16

$1,270

One-way flights from Austin to Belfast
Search for one-way flight options from Austin to Belfast. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Sat 5/107:25 pmAUS - BFS

2 stops57h 00mMultiple Airlines

Deal found 4/17

$372

Sat 5/107:25 pmAUS - BHD

2 stops58h 40mMultiple Airlines

Deal found 4/17

$398

Sun 5/116:52 pmAUS - BHD

2 stops16h 53mBritish Airways

Deal found 4/17

$456

Sat 5/106:00 pmAUS - BHD

1 stop16h 55mKLM

Deal found 4/17

$502

Tue 4/225:45 pmAUS - BHD

1 stop15h 35mAmerican Airlines

Deal found 4/16

$567

Tue 4/226:00 amAUS - BHD

3 stops24h 50mAer Lingus

Deal found 4/16

$590

Sun 5/115:45 pmAUS - BHD

1 stop18h 00mIberia

Deal found 4/17

$988

Cheapflights Fare Finder

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

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Thu 4/24

6:10 pm-3:30 pm

2 stops15h 20m

Belfast City

Fri 5/9

6:35 am-8:20 pm

1 stop19h 45m

$767

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Thu 4/24

8:29 pm-6:45 pm

2 stops16h 16m

Belfast City

Fri 5/9

11:55 am-11:02 pm

2 stops17h 07m

$777

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Thu 4/24

6:00 pm-9:15 pm

1 stop21h 15m

Belfast City

Fri 5/9

5:25 pm-4:00 pm

1 stop28h 35m

$850

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Sun 6/8

1:39 pm-8:20 pm

2 stops24h 41m

Belfast Intl

Tue 6/17

10:55 pm-4:03 pm

3 stops47h 08m

$1,032

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 6/7

2:43 pm-9:15 pm

2 stops24h 32m

Belfast City

Thu 6/19

6:30 am-4:00 pm

1 stop15h 30m

$1,180

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 4/20

12:07 pm-11:30 am

2 stops17h 23m

Belfast City

Tue 4/22

7:05 am-10:17 am

3 stops33h 12m

$1,320

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Wed 5/7

5:45 pm-11:55 am

1 stop12h 10m

Belfast City

Sat 5/10

7:05 am-3:50 pm

1 stop14h 45m

$2,077

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sun 4/20

6:00 am-8:50 pm

3 stops32h 50m

Belfast City

Tue 4/22

6:00 pm-3:50 pm

3 stops27h 50m

$4,571

AustinBelfast

AUS - BFS

AUSBFS

Austin Bergstrom

Sat 5/10

7:25 pm-10:25 am

2 stops57h 00m

$372

AustinBelfast

AUS - BHD

AUSBHD

Austin Bergstrom

Sat 5/10

7:25 pm-12:05 pm

2 stops58h 40m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 15 results

Best time to book a flight from Austin to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Austin with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Austin to Belfast

What is the cheapest time of day to fly from AUS to BFS?

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Austin to Belfast by exploring options for tickets at noon.

Rainfall in Belfast by month

In terms of precipitation, rainfall in Belfast ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast when rainfall is around 2.0 in.

Temperature in Belfast by month

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Belfast

Peruse reviews from past customers who have flown with Delta, KLM and American Airlines from Austin to Belfast to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,916 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,327 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus

7.0

Good

1,063 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Iberia

7.0

Good

2,674 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Austin to Belfast?
Austin Bergstrom (AUS) is the airport you will fly out of if you book a flight from Austin to Belfast. You should not have trouble finding flights to Belfast from Austin Bergstrom; the airport handles an average of 0 outbound flights to Belfast per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Austin airport to Belfast. It is only a 7.5 mi journey to Austin Bergstrom (AUS) from Austin’s city center.
What are the cheapest airlines flying from Austin to Belfast round-trip?
According to our current data, British Airways ($714), American Airlines ($718), and KLM ($1,175) offers the cheapest pricing from Austin to Belfast. British Airways is currently priced 25% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Austin to Belfast one-way?
The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $456. However, be on the lookout for offers from KLM and American Airlines, as they are both options that can get you from Austin to Belfast for a low price.
Can I find deals for flights from Austin to Belfast that include hotel bookings?
Yes. In addition to deals on Austin to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Austin to Belfast?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Belfast.
Can I find deals for business class flights from Austin to Belfast?
Yes. Cheapflights offers flight deals from Austin to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Austin to Belfast?
Currently, February is the cheapest month in which you can book a flight from Austin to Belfast (average of $657). Flying from Austin to Belfast in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Austin to Belfast

Hobby to Belfast City flights

Hobby to Belfast Intl flights

George Bush Intcntl to Belfast Intl flights

George Bush Intcntl to Belfast City flights

Austin to Belfast Intl flights

Austin to Belfast City flights

Dallas/Fort Worth to Belfast Intl flights

Dallas/Fort Worth to Belfast City flights

Love Field to Belfast City flights

Top airline flying from Austin to Belfast

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$645	Average$943	FlexibilityNo cancel fee	On-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$372+ Cheap flights from Austin (AUS) to Belfast

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Austin to Belfast with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Austin to Belfast

Cheapest flights from Austin to BelfastExplore the most affordable flight options available from Austin to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Explore the most affordable flight options available from Austin to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Austin to Belfast that are best for you.

Best time to book a flight from Austin to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Austin with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Austin to Belfast

What is the cheapest time of day to fly from AUS to BFS?

Find hourly flight availability from Austin to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

Reviews of airlines servicing Belfast

Related info for your journey

Find useful and relevant information for your journey from Austin to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Austin to Belfast?

What are the cheapest airlines flying from Austin to Belfast round-trip?

What are the cheapest airlines to fly from Austin to Belfast one-way?

Can I find deals for flights from Austin to Belfast that include hotel bookings?

How can I find direct flights from Austin to Belfast?

Can I find deals for business class flights from Austin to Belfast?

What is the cheapest month to book a flight from Austin to Belfast?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Austin to Belfast

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Austin to Belfast

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Austin to Belfast
Explore the most affordable flight options available from Austin to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.