Cheap flights from Belfast to London Heathrow

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adult
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.

Info about flights from Belfast to London Heathrow

Some useful info about flights from Belfast to London Heathrow to help you plan your next trip

Average flight duration 1h 19m
Cheapest month April
Average number of flights per week 10
First flight time 05:45
Last flight time 21:40
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

How much is a ticket from Belfast to London Heathrow?

Flight prices from Belfast to London change depending on demand and time of booking.

Select your dates to check current offers.

Flying at off-peak hours — such as early morning or late evening — can help you save. Also, the best deals tend to appear in the weeks leading up to departure.

Flying between Belfast and London? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

  • Airports in Belfast: You can fly from either Belfast - International or City.
  • Airports in London: London has 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Belfast airports in a single search.

Flights from Belfast - International to London - Heathrow

Plan smarter: flights from Belfast to London Heathrow

Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.

Other popular destinations

Travelers flying to United Kingdom also checked out: Edinburgh, Glasgow, London, Manchester, Newquay.

Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.

Frequently Asked Questions

Frequently asked questions about flights from Belfast to London Heathrow.

How much does an airline ticket from Belfast to London Heathrow cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Belfast to London Heathrow.

How far is Belfast from London?

Belfast is about 523 km from London.

What are the airports in London?

London has 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the airports in Belfast?

Belfast has another airport: City.

What are the most popular cities in United Kingdom?

The most popular cities in United Kingdom according to our users' searches are: Edinburgh, Glasgow, London, Manchester, Newquay.

When should I book a flight from Belfast to London?

The best time to book a flight from Belfast to London is 5 months in advance, while the worst time is 22 weeks in advance.

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

The cheapest month to fly from Belfast to London is April.

What is the most expensive month to fly from Belfast to London?

The most expensive month to fly from Belfast to London is January.

What is the best day of the week to fly from Belfast to London?

This information is not available at the moment.