Cheap flights from Southampton to Belfast Intl Airport from £36
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Belfast Intl Airport departing on 31/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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easyJet flights from Southampton to Belfast Intl Airport
Our best easyJet deals on Southampton to Belfast Intl Airport flight tickets
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How to get the cheapest flight ticket from Southampton 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 cheapest month to fly to Belfast Intl Airport?
The month of September is, on average, the cheapest month to fly to Belfast Intl Airport from Southampton, with most prices found around £71. If you’re not able to fly to Belfast Intl Airport in September, then January is your next best option. Flight prices from Southampton to Belfast Intl Airport during January average around £73.
What is the cheapest day to depart on your flight to Belfast Intl Airport?
The cheapest day to depart from Southampton to Belfast Intl Airport is on a Wednesday when prices can be found for as low as £63. The most expensive day to fly to Belfast Intl Airport is Friday, with ticket prices averaging around £78.
What is the cheapest time of day to depart on your flight to Belfast Intl Airport?
The cheapest time of day to fly to Belfast Intl Airport is in the morning when flights can be purchased for as low as £84. In the afternoon is when there is more demand to fly to Belfast Intl Airport, so prices are often more expensive at around £112 per ticket.
What is the cheapest Southampton Eastleigh to Belfast Intl flight route?
Fly from Southampton Eastleigh to Belfast Intl for the best Southampton Eastleigh - Belfast Intl flight prices
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 Southampton when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to Belfast Intl Airport for around £86 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast Intl Airport from Southampton for as low as £70 on momondo.
What cabin class options are available on Southampton Eastleigh to Belfast Intl flights?
There are 1 cabin classes available to choose from on Southampton Eastleigh to Belfast Intl 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 Southampton Eastleigh to Belfast Intl?
easyJet is the most popular carrier operating from Southampton Eastleigh to Belfast Intl
Which airlines fly to Belfast Intl Airport?
easyJet, British Airways and Aer Lingus are the top three most popular airlines that fly to Belfast Intl Airport from Southampton according to our data. easyJet is the first choice among our users, with 64% of people opting to fly with this airline when travelling to Belfast Intl Airport. Keep in mind that there are 5 different airlines that fly to Belfast Intl Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from Southampton to Belfast Intl Airport
Cheap Southampton to Belfast Intl Airport (SOU to BFS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Southampton to Belfast Intl Airport
How far is Southampton Eastleigh to Belfast Intl by plane?
The distance between Southampton Eastleigh and Belfast Intl is about 327.5 mi. Flights usually cover this in 1h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Southampton Eastleigh Airport to Belfast Intl Airport?
Prices for flights from Southampton Eastleigh Airport to Belfast Intl Airport refresh daily.
How many operators does momondo search for flights from Southampton Eastleigh Airport to Belfast Intl Airport?
As of March 2025, there are 2 operators available to choose from for flights from Southampton Eastleigh Airport to Belfast Intl Airport.
How old do you have to be to fly from Southampton Eastleigh Airport to Belfast Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southampton Eastleigh Airport to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Southampton to Belfast Intl Airport?
Based on momondo bookings for flights between Southampton and Belfast Intl Airport, the leading plane model is ATR 72-201 / 202, making up 47.28% of the total bookings. Other popular models include Airbus A319 with 22.79%, Airbus A320-100/200 with 17.01%, and Embraer ERJ-145 with 3.40%.
What is the most popular airline from Southampton to Belfast Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Southampton to Belfast Intl Airport is Aer Lingus, representing 63% of all bookings. The subsequent popular airline is easyJet at 37%.
Best airlines flying from Southampton to Belfast Intl Airport
Compare and see reviews for airlines that fly from Southampton to Belfast Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £37 | Free Cancellation | Rating 6.9 1,792 reviews | |||
| PriceFrom £56 | Free Cancellation | Rating 7.0 1,061 reviews |
Travelling 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 Southampton to Belfast?
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 Belfast from Southampton.
Can I find flights from Southampton to Belfast with flexible booking policies on momondo?
Yes. All flights to Belfast from Southampton on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Southampton to Belfast?
Once all potential Southampton to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Southampton to Belfast right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Southampton to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.