Cheap flights from Belfast to Southampton from £24
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Southampton departing on 14/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise 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 Belfast to London
Cheap return flights
Cheap one-way flights
Cheap direct flights
easyJet flights from Belfast to Southampton
Our best easyJet deals on Belfast to Southampton flight tickets
Aer Lingus flights from Belfast to Southampton
Our best Aer Lingus deals on Belfast to Southampton flight tickets
See travel insights to London from
How to get the cheapest flight ticket from Belfast to Southampton
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 cheapest month to fly to Southampton?
The month of March is, on average, the cheapest month to fly to Southampton from Belfast, with most prices found around £63. If you’re not able to fly to Southampton in March, then January is your next best option. Flight prices from Belfast to Southampton during January average around £75.
What is the cheapest day to depart on your flight to Southampton?
Our data shows that Tuesday is the least expensive day to fly to Southampton. Tickets to fly out on this day can be as low as £0. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £146. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southampton.
What is the cheapest time of day to depart on your flight to Southampton?
According to our data, the cheapest time of day to fly to Southampton is in the evening. momondo users have found flights departing from Belfast to Southampton in the evening for as low as £101. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £113 on average. Flights to Southampton from Belfast at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Belfast to Southampton Eastleigh flight route?
Fly from Belfast Intl to Southampton Eastleigh for the best Belfast - Southampton Eastleigh flight prices
How far in advance should I book a flight to Southampton?
You are more likely to see cheaper flights to Southampton from Belfast when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Southampton for around £96 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southampton from Belfast for as low as £71 on momondo.
What cabin class options are available on Belfast to Southampton Eastleigh flights?
There are 1 cabin classes available to choose from on Belfast to Southampton Eastleigh flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Belfast to Southampton Eastleigh?
easyJet, Aer Lingus, and British Airways are the most popular carriers operating from Belfast to Southampton Eastleigh
Which airlines fly to Southampton?
British Airways, easyJet and Aer Lingus are the top three most popular airlines that fly to Southampton from Belfast according to our data. British Airways is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 6 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.
How many flights depart from Belfast to Southampton on average per day?
4 flights are operational daily from Belfast to Southampton as of April 2025. The most popular departure time for this route is 06:00, with 66% of flights per day taking off at midday.
How many flights depart from Belfast to Southampton on average per week?
As of April 2025, there are 30 flights per week flying from Belfast to Southampton. The most common day of the week flights depart is Fri, with 23% of flights taking off on this day.
Cheap Belfast to Southampton flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Belfast to Southampton
How far is Belfast to Southampton Eastleigh by plane?
The distance between Belfast and Southampton Eastleigh is about 317.1 mi. In terms of flight time, this usually takes a little over 1h 15m.
When did momondo last update prices for flights from Belfast to Southampton Eastleigh Airport?
Prices for flights from Belfast to Southampton Eastleigh Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Belfast to Southampton Eastleigh Airport?
As of April 2025, there are 2 operators available to choose from for flights from Belfast to Southampton Eastleigh Airport.
How old do you have to be to fly from Belfast to Southampton Eastleigh 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 Belfast to Southampton Eastleigh Airport.
What documentation or ID do you need to fly to Southampton Eastleigh Airport?
The required travel and health documents for your Southampton Eastleigh 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 Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Belfast to Southampton
Compare and see reviews for airlines that fly from Belfast to Southampton with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £47 | Free Cancellation | Rating 6.9 1,797 reviews | |||
| PriceFrom £59 | Free Cancellation | Rating 7.0 1,063 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Belfast to Southampton?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Southampton from Belfast.
Can I find flights from Belfast to Southampton with flexible booking policies on momondo?
momondo does allow users to show only those flights to Southampton from Belfast which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Belfast to Southampton?
momondo provides multiple filters to help you find the best flight to Southampton from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Belfast to Southampton right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Southampton, momondo offers a useful price alert feature which will track prices for flights to Southampton from Belfast and alert you when they change.