Question 1

What is the cheapest airline to fly from Belfast Intl Airport to Southampton round-trip?

Accepted Answer

Currently priced at £45, easyJet will fly you from Belfast Intl Airport to Southampton and back. In addition to easyJet, many other airlines offer competitively priced options for your trip. This flight start at 55% lower than the current average price 3 months from now.

Question 2

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

Accepted Answer

To ensure you get the cheapest price possible for a flight from Belfast Intl Airport to Southampton, you should look to book at least 33 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 3

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

Accepted Answer

Currently, September is the cheapest month in which you can book a flight from Belfast Intl Airport to Southampton (average of £203). Flying from Belfast Intl Airport 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 4

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

Accepted Answer

Travellers seeking maximum savings on their Belfast Intl Airport 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 5

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 6

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 7

What are the cheapest flights from Belfast Intl Airport to Southampton?

Accepted Answer

On average you can expect to pay £80 for a flight from Belfast Intl Airport to Southampton. The cheapest flight overall is £19 while the most popular route, (Belfast Intl - Southampton Eastleigh) is currently priced at £48.

Question 8

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

Accepted Answer

Thursday flights are generally found to be more expensive for flights from Belfast Intl Airport 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 9

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

Accepted Answer

To save up to 69% on this flight, we recommend booking at least 32 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 Intl Airport to Southampton from £52 1-2 weeks out and tickets from £125 for flights departing within the next 72 hours.

Question 10

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

Accepted Answer

Flights from Belfast Intl Airport to Southampton lean towards being more expensive in June. Prices are generally better when you fly from Belfast Intl Airport to Southampton in January, with the cheapest ticket starting at £26.

Question 11

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

Accepted Answer

Unlike in the afternoon, when flights are generally more expensive, you can save up to 48% on flights from Belfast Intl Airport to Southampton by exploring options for tickets at midday.

Question 12

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

Accepted Answer

Southampton Eastleigh (SOU) is the airport you will fly into if you book a flight from Belfast Intl to Southampton. You should not have trouble finding flights to Eastleigh from Belfast Intl; the airport handles an average of 0 inbound flights from Belfast Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Southampton airport from Belfast Intl. It is only a 3.5 mi journey from Eastleigh (SOU) to Southampton’s city center.

Question 13

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

Accepted Answer

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

Question 14

How can I find direct flights from Belfast Intl 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 Intl to Southampton.

Question 15

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

Accepted Answer

Yes. Cheapflights offers flight deals from Belfast Intl 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 16

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

Accepted Answer

When you search for this flight from Belfast Intl to Southampton, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 17

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

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Belfast Intl to Southampton by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 18

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

Accepted Answer

Certainly. Search results for flights to Southampton from Belfast Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 19

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

Accepted Answer

Of course! You can now track prices for flights from Belfast Intl to Southampton and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	£45
One-way from	£23
Popular in	June
Cheapest in	March
Average price	£130
Good round-trip deal	£57 or less
Good one-way deal	£42 or less

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£37	Average£93	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Aer Lingus	Cheapest£63	Average£117	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Cheap flights from Belfast Intl Airport to Southampton from £23

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Belfast Intl to Southampton Eastleigh are usually found in March or January, booked 34 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from Belfast Intl to Southampton

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Find flight deals from Belfast Intl to Southampton

Cheapest flights from Belfast Intl to SouthamptonExplore the most affordable flight options available from Belfast Intl to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.

Explore the most affordable flight options available from Belfast Intl to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Belfast Intl to Southampton

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from Belfast Intl to Southampton. Price data was last updated on 11 July 2025.

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

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

Find hourly flight availability from Belfast Intl 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 15 July 2025.

Reviews of airlines servicing Southampton

Read reviews from past customers who have flown with easyJet from Belfast Intl Airport to Southampton. 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.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl 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 Intl?

What is the cheapest airline to fly from Belfast Intl Airport to Southampton round-trip?

What are the cheapest flights from Belfast Intl Airport to Southampton?

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

How can I find direct flights from Belfast Intl to Southampton?

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

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

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Alternative routes for Belfast Intl to Southampton

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Top 2 airlines flying from Belfast Intl to Southampton

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

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

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

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

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Cheapest flights from Belfast Intl to Southampton
Explore the most affordable flight options available from Belfast Intl to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.