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Cheap flights from Southampton to Interlaken from £123

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — ZRH
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Southampton to Interlaken

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Interlaken
Explore the most affordable flight options available from Southampton to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Wed 3/1212:25SOU - ZRH
1 stop6h 05mAer Lingus
Wed 10/1220:10ZRH - SOU
1 stop13h 35mAer Lingus
Deal found 5/11£195
Wed 3/1212:25SOU - ZRH
1 stop6h 05mMultiple Airlines
Wed 10/1221:35ZRH - SOU
2 stops17h 00mMultiple Airlines
Deal found 5/11£201
Sat 6/1217:30SOU - ZRH
1 stop16h 30mKLM
Sat 13/1206:50ZRH - SOU
1 stop11h 10mKLM
Deal found 6/11£242
Sat 6/1215:20SOU - ZRH
2 stops16h 35mMultiple Airlines
Sat 13/1216:05ZRH - SOU
2 stops17h 40mMultiple Airlines
Deal found 6/11£244
Thu 18/1218:05SOU - ZRH
1 stop15h 55mKLM
Thu 25/1219:10ZRH - SOU
1 stop13h 55mKLM
Deal found 5/11£246
Thu 18/1214:45SOU - ZRH
1 stop4h 15mMultiple Airlines
Thu 25/1221:35ZRH - SOU
2 stops17h 10mMultiple Airlines
Deal found 5/11£304

Cheap flight deals from Southampton to Interlaken

Keep the following information in mind while searching for Southampton to Interlaken flight deals. Data was last updated 7 November 2025.

Round-trip from

£195

One-way from

£123

Popular in

December

Cheapest in

February

Average price

£204
Aer Lingus
  • Aer Lingus
  • 3/12-10/12
  • 2 total stops
  • 19h 40m total
  • Southampton to Interlaken
Search Deals
KLM
  • KLM
  • 17/4
  • 1 total stop
  • 14h 00m total
  • Southampton to Interlaken
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Interlaken that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Southampton to Interlaken that are best for you.

Fly from

Southampton

Fly to

Interlaken

Route

Depart

Return

Price

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Wed 3/12

12:25-19:30

1 stop6h 05m

Zurich

Wed 10/12

21:35-13:35

2 stops17h 00m

£201

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Sat 6/12

17:30-11:00

1 stop16h 30m

Zurich

Sat 13/12

06:50-17:00

1 stop11h 10m

£242

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Sat 6/12

15:20-08:55

2 stops16h 35m

Zurich

Sat 13/12

16:05-08:45

2 stops17h 40m

£244

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Thu 18/12

18:05-11:00

1 stop15h 55m

Zurich

Thu 25/12

19:10-08:05

1 stop13h 55m

£246

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Wed 25/3

08:40-22:25

1 stop12h 45m

Zurich

Sat 28/3

09:00-07:45

1 stop23h 45m

£284

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Thu 18/12

14:15-09:00

2 stops17h 45m

Zurich

Thu 25/12

21:35-13:45

2 stops17h 10m

£318

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Sat 20/12

17:30-08:15

1 stop13h 45m

Zurich

Sat 27/12

17:30-08:50

1 stop16h 20m

£331

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Fri 17/4

17:35-08:35

1 stop14h 00m

£123

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Fri 17/4

08:55-20:50

2 stops10h 55m

£167

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Best time to book a flight from Southampton to Interlaken

Have a flexible travel schedule? Discover the best time to fly to Interlaken from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, March is the cheapest month in which you can book a flight from Southampton to Interlaken (average of £34). Flying from Southampton to Interlaken in August is currently the most expensive (average of £68). 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.

What is the cheapest time of day to fly from SOU to IN9?

Find hourly flight availability from Southampton to Interlaken. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

A simple way to save on the total cost of your ticket is to fly from Southampton to Interlaken at midday. If you’re flexible enough to do this you can expect to save up to 60% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Interlaken

Get insights into the airlines that provide service to Interlaken. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Interlaken. Reviews last updated 7 November 2025.
Check out reviews from past customers who have flown with KLM from Southampton to Interlaken to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

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

    Located just 3.5 mi from the city center, Southampton Eastleigh is the airport most travelers will use when flying to Interlaken from Southampton. Booking flights from Eastleigh (SOU) to Interlaken should be relatively easy as there are 0 daily outbound flights to Interlaken from 2 different airlines.

  • How long is the flight from Southampton to Interlaken?

    There are many flights that can get you from Southampton to Interlaken in 16h 30m. Fly via KLM to get the fastest option. There are 507 mi between Southampton and Interlaken.

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

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

  • How can I find direct flights from Southampton to Interlaken?

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Southampton to Interlaken (average of £34). Flying from Southampton to Interlaken in August is currently the most expensive (average of £68). 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.

See more FAQs

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Top 2 airlines flying from Southampton to Interlaken

Discover the top 2 airlines that operate flights from Southampton to Interlaken. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£53Average£120FlexibilityNo cancel feeOn-time86%
Search easyJet flights
KLMCheapest£151Average£249FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

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

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southampton to Interlaken flexibly with Cheapflights today.

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

Yes! Start tracking prices for Southampton to Interlaken flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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