Cheap Flights from Southampton to Belfast from US$26

Frequently Asked Questions

• What are the cheapest flights from Southampton to Belfast (SOU-BFS)?

  Based on Trip.com data, easyJet offers one-way fares as low as US$26 on Cheapest nonstop routes (e.g. SOU to BFS on Sun, Sep 27), while easyJet offers Cheapest nonstop round-trips from US$54 departing on Tue, Sep 8 and returning on Mon, Sep 14.

• Which airlines offer direct flights from Southampton to Belfast?

  At the moment, you can catch a nonstop flight from Southampton to Belfast with the following airlines, including: Aer Lingus Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Southampton to Belfast?

  It takes about 1 hour 35 minutes to fly from Southampton to Belfast.

• When is the best time to book flights from Southampton to Belfast?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Southampton to Belfast is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Southampton to Belfast?

  Based on Trip.com data in the past 4 weeks, there is 46 flight per week flying from Southampton to Belfast. You can check the weekly schedule for popular airlines on this route below: Aer Lingus: S/M/T/W/T/F/S -- EI3605 (12:51)

• How can I find the best deals on flights from Southampton to Belfast?

  To find best deals on flights from Southampton to Belfast, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Sep 27, with one-way flights priced at just US$26.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is easyJet.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Belfast travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Southampton (SOU) to Belfast (BFS) the cheapest?

  The cheapest months to fly from Southampton to Belfast is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Southampton to Belfast on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Southampton to Belfast on August 30, 2026 with easyJet, with prices starting at US$32.

• Which airports can I fly to for Belfast from Southampton?

  You can land at any one of the following hubs in Belfast, with Southampton Airport to Belfast City Airport (SOU-BHD) is by far the most common option on this route: Belfast International Airport (BFS) Belfast City Airport (BHD).

• Is there any time difference between Southampton and Belfast?

  The time difference between Belfast and Southampton is 0m.

• How do I change or cancel my ticket from Southampton to Belfast?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Southampton to Belfast?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Southampton to Belfast is US$162. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Southampton to Belfast?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Southampton to Belfast is US$225. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Southampton to Belfast on Trip.com?

  Enter Southampton and Belfast, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Southampton to Belfast route?

  easyJetare the most popular budget airlines flying from Southampton to Belfast. Check baggage, seat and payment fees before comparing the final price.