$72+ Cheap flights from Belfast
This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Find flights from Belfast
Cheapest flights from BelfastExplore the most affordable flight options available from Belfast. Find the lowest fares based on data from user searches, with prices last updated on 3 July 2025.
Explore the most affordable flight options available from Belfast. Find the lowest fares based on data from user searches, with prices last updated on 3 July 2025.
Find flights from Belfast within your budget
Find flights departing from Belfast that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 3 July 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches
Fly to
Route
Depart
Return
Price
BelfastPerth
BFS - PER
BFSPER
Belfast Intl
Sat 16/8
06:00-05:50
3 stops40h 50m
Perth
Sat 23/8
07:50-22:30
3 stops45h 40m
BelfastSydney
BFS - SYD
BFSSYD
Belfast Intl
Tue 9/9
20:55-09:00
2 stops51h 05m
Sydney Kingsford Smith
Tue 30/9
11:00-19:25
2 stops41h 25m
BelfastSydney
BHD - SYD
BHDSYD
Belfast City
Tue 9/9
18:15-18:00
2 stops38h 45m
Sydney Kingsford Smith
Tue 30/9
19:30-07:35
2 stops45h 05m
BelfastMelbourne
BHD - MEL
BHDMEL
Belfast City
Sat 16/8
19:00-18:25
2 stops38h 25m
Melbourne
Sat 23/8
20:05-09:05
2 stops46h 00m
BelfastSydney
BHD - SYD
BHDSYD
Belfast City
Tue 28/10
09:55-18:50
2 stops45h 55m
Sydney Kingsford Smith
Tue 2/12
16:20-08:25
2 stops27h 05m
BelfastPerth
BHD - PER
BHDPER
Belfast City
Mon 1/9
18:30-01:10
2 stops23h 40m
Perth
Wed 24/9
22:45-18:40
2 stops26h 55m
BelfastPerth
BHD - PER
BHDPER
Belfast City
Mon 11/8
06:40-21:45
3 stops32h 05m
Perth
Mon 25/8
22:45-17:40
2 stops25h 55m
BelfastSydney
BHD - SYD
BHDSYD
Belfast City
Sat 1/11
17:20-07:55
2 stops27h 35m
Sydney Kingsford Smith
Mon 17/11
11:15-16:50
2 stops40h 35m
BelfastSydney
BHD - SYD
BHDSYD
Belfast City
Mon 3/11
09:50-06:50
2 stops34h 00m
Sydney Kingsford Smith
Fri 21/11
15:50-09:50
2 stops29h 00m
BelfastPerth
BHD - PER
BHDPER
Belfast City
Mon 1/9
18:00-11:55
2 stops34h 55m
Perth
Wed 24/9
15:40-13:05
2 stops28h 25m
Best time to book a flight from Belfast
Have a flexible travel schedule? Discover the best time to fly from Belfast with our price prediction graph.
Travel insights for flights from Belfast
Get recent, data-driven insights about flights from Belfast including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Belfast?
Currently, December is the cheapest month in which you can book a flight from Belfast (average of $1,371). Flying from Belfast in July will prove the most costly (average of $3,514). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Airline reviews for flights from Belfast
Get insights into the airlines that provide service from Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Belfast. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Read through reviews of airlines serving Belfast, such as KLM, Qantas Airways, andQatar Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Anonymous,June 2025
AMS - BOS
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Anonymous,June 2025
AMS - BOS
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Anonymous,June 2025
AMS - BOS
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Anonymous,June 2025
AMS - BOS
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Anonymous,June 2025
AMS - BOS
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Direct flights from Northern Ireland
Book a direct flight from one of these other cities located in Northern Ireland.
Related info for your journey
Access useful and relevant information related to your journey from Belfast. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 3 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Belfast?
Cheapflights helps you search for flights from Belfast via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Belfast?
Cheapflights simply makes it quick and affordable to book flights from Belfast by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Belfast with no change fees?
Yes! Cheapflights helps users easily find flights from Belfast with no change fees.
Can Cheapflights notify me if prices for flights from Belfast become cheaper?
Not ready to book yet? You can track prices for flights from Belfast on Cheapflights with our Price Alerts feature and get notified when better prices are available.