Explore the cheapest flights from Guernsey to Southampton in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at €71, and round-trip direct tickets start at €149.

Displayed flight fares from Guernsey to Southampton are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flying from Guernsey to Southampton

The distance between Guernsey and Southampton is approximately 190.41 km. It takes around 45 minutes on average to fly from Guernsey to Southampton. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price€71
Cheapest round-trip ticket price€149
Off-season for travelNovember
Peak season for travelJuly
Flight distance190.41 km
Average flight time45 minutes

When is the cheapest time to fly from Guernsey to Southampton?

The cheapest time for Guernsey to Southampton flights: Feb 15 to Feb 22 — one way flight prices from €69.

Cheapest flights
From price
Search
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
  • 18
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Guernsey to Southampton, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Guernsey to Southampton (GCI-SOU)?

    Based on Trip.com data, Aurigny Air Services offers one-way fares as low as €71 on Cheapest nonstop routes (e.g. GCI to SOU on Thu, Jan 8), while Aurigny Air Services offers Cheapest nonstop round-trips from €149 departing on Thu, Jan 8 and returning on Wed, Jan 14.
  • It takes around 45 minutes to fly from Guernsey (GCI) to Southampton (SOU).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Guernsey to Southampton 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.
  • To find best deals on flights from Guernsey to Southampton, 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 Thu, Jan 8, with one-way flights priced at just €71.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Aurigny Air Services.
    · 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 Southampton travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Guernsey to Southampton is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Guernsey to Southampton on December 16, 2025 with Aurigny Air Services, with prices starting at €176.
  • The time difference between Southampton and Guernsey is 0h.
  • 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.