Question 1

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

Accepted Answer

Currently priced at £41, easyJet will fly you from Belfast to Southampton and back. In addition to easyJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Aer Lingus and British Airways - these airlines can fly you to your destination from £87 and £225, respectively. easyJet is priced at 56% lower than the current average price of a flight leaving 3 months from now.

Question 2

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

Accepted Answer

One-way options have recently been found by users for as low as £37 on easyJet. Other airlines that offer cheap prices include Aer Lingus from £47 and Loganair from £258 one-way.

Question 3

How far ahead should I book a flight from Belfast to Southampton?

Accepted Answer

Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from Belfast to Southampton. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 4

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

Accepted Answer

Currently, September is the cheapest month in which you can book a flight from Belfast to Southampton (average of £203). Flying from Belfast to Southampton in November is currently the most expensive (average of £262). 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.

Question 5

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

Accepted Answer

Travellers seeking maximum savings on their Belfast to Southampton flight should consider departing on Saturday at midday when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Southampton, 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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Question 8

What are the cheapest flights from Belfast to Southampton?

Accepted Answer

While on average a flight from Belfast to Southampton is generally £81, our data shows the cheapest flight currently is £24. When looking at the most popular route, (Belfast Intl - Southampton Eastleigh), you can expect to pay £42 for that flight.

Question 9

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

Accepted Answer

Thursday flights are generally found to be more expensive for flights from Belfast to Southampton. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Southampton.

Question 10

How far in advance should I book a flight from Belfast to Southampton?

Accepted Answer

To save up to 102% on this flight, we recommend booking at least 60 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Belfast to Southampton from £60 1-2 weeks out and tickets from £122 for flights departing within the next 72 hours.

Question 11

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

Accepted Answer

Flights from Belfast to Southampton lean towards being more expensive in June. Prices are generally better when you fly from Belfast to Southampton in January, with the cheapest ticket starting at £25.

Question 12

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

Accepted Answer

Unlike in the evening, when flights are generally more expensive, you can save up to 54% on flights from Belfast to Southampton by exploring options for tickets at midday.

Question 13

What airport do you fly into for flights to Southampton from Belfast?

Accepted Answer

Southampton Eastleigh (SOU), located 3.5 mi from the city center, is the airport you fly into when you book flights from Belfast to Southampton. 2 airlines have flights to Eastleigh from Belfast on a regular basis. Booking flights from Belfast to Southampton Eastleigh should not be difficult; the airport handles an average of 0 inbound flights from Belfast per day.

Question 14

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

Accepted Answer

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

Question 15

How can I find direct flights from Belfast to Southampton?

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

How does Cheapflights help users find flights from Belfast to Southampton?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Southampton from Belfast today with Cheapflights!

Question 18

Why should you use Cheapflights to find cheap flight tickets from Belfast to Southampton?

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Southampton for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 19

Can Cheapflights find flights from Belfast to Southampton with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Belfast to Southampton with no change fees.

Question 20

Can Cheapflights notify me if prices for flights from Belfast to Southampton become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southampton from Belfast today and book when prices fit your budget.

Round-trip from	£41
One-way from	£37
Popular in	June
Cheapest in	March
Average price	£123

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£37	Average£91	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Aer Lingus	Cheapest£58	Average£112	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Cheap flights from Belfast to Southampton from £37

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Belfast to Southampton Eastleigh are usually found in March or January, booked 33 days in advance, depart on a Friday or Monday and return on a Tuesday

Cheap flight deals from Belfast to Southampton

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Belfast to Southampton

Cheapest flights from Belfast to SouthamptonExplore the most affordable flight options available from Belfast to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Explore the most affordable flight options available from Belfast to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Belfast to Southampton

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

Cheapflights Insights

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

How far ahead should I book a flight from Belfast to Southampton?

Use this chart to determine the optimal time to book a return flight from Belfast to Southampton. Price data was last updated on 27 June 2025.

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

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

Find hourly flight availability from Belfast to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2025.

Reviews of airlines servicing Southampton

Read through reviews of airlines operating flights from Belfast to Southampton, such as KLM, Aer Lingus, andeasyJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Belfast to Southampton. 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 into for flights to Southampton from Belfast?

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

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

What are the cheapest flights from Belfast to Southampton?

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

How can I find direct flights from Belfast to Southampton?

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

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

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 Belfast to Southampton

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

Top 2 airlines flying from Belfast to Southampton

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Belfast to Southampton?

Why should you use Cheapflights to find cheap flight tickets from Belfast to Southampton?

Can Cheapflights find flights from Belfast to Southampton with no change fees?

Can Cheapflights notify me if prices for flights from Belfast to Southampton become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Belfast to Southampton
Explore the most affordable flight options available from Belfast to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.