Cheap flights from London Heathrow Airport to Belfast Intl Airport from $107
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Belfast Intl Airport departing on 7/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Belfast
Cheap round-trip flights
Cheap one-way flights
See travel insights to Belfast from
How to get the cheapest flight ticket from London Heathrow Airport 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 London Heathrow Airport and Belfast Intl Airport?
What is the cheapest month to fly to Belfast Intl Airport?
The month of March is, on average, the cheapest month to fly to Belfast Intl Airport from London Heathrow Airport, with most prices found around $125. If you’re not able to fly to Belfast Intl Airport in March, then February is your next best option. Flight prices from London Heathrow Airport to Belfast Intl Airport during February average around $131.
What is the cheapest day to depart on your flight to Belfast Intl Airport?
The cheapest day to depart on your flight to Belfast Intl Airport is on a Thursday when prices can be found for as low as $69. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Belfast Intl Airport for around $109.
What is the cheapest time of day to depart on your flight to Belfast Intl Airport?
In the evening is the cheapest time of day to fly from London Heathrow Airport to Belfast Intl Airport when you can find flight prices for as low as $113. Flying to Belfast Intl Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Belfast Intl Airport is in the afternoon when prices are around $185.
How far in advance should I book a flight to Belfast Intl Airport?
You are more likely to see cheaper flights to Belfast Intl Airport from London Heathrow Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Belfast Intl Airport for around $153 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast Intl Airport from London Heathrow Airport for as low as $101 on momondo.
When to book flights from London Heathrow Airport to Belfast Intl Airport
Cheap London Heathrow Airport to Belfast Intl Airport (LHR to BFS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Belfast Intl Airport
How far is London Heathrow to Belfast Intl by plane?
The straight-line distance from London Heathrow to Belfast Intl is 324.6 mi. 3h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from London Heathrow Airport to Belfast Intl Airport?
Prices for flights from London Heathrow Airport to Belfast Intl Airport were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Belfast Intl Airport?
As of February 2025, there are 2 operators available to choose from for flights from London Heathrow Airport to Belfast Intl Airport.
How old do you have to be to fly from London Heathrow Airport to Belfast Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from London Heathrow Airport to Belfast Intl Airport?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Belfast Intl Airport is British Airways, representing 91% of all bookings. The subsequent popular airline is easyJet at 9%.
Best airlines flying from London Heathrow Airport to Belfast Intl Airport
Compare and see reviews for airlines that fly from London Heathrow Airport to Belfast Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $85 | Free Cancellation | Rating 6.6 6,754 reviews | |||
| PriceFrom $86 | Free Cancellation | Rating 6.9 1,812 reviews |
Traveling to a place near Belfast?
Book flights to Belfast if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Belfast?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Belfast. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Belfast with flexible booking policies on momondo?
Flights from London to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from London to Belfast?
momondo provides multiple filters to help you find the best flight to Belfast from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from London to Belfast right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Belfast from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.