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Cheap flights from Portsmouth to Interlaken from £92

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ZRH
2 9月 — 9 9月1
1 adult

Cheap flight deals from Portsmouth to Interlaken

Keep the following information in mind while searching for Portsmouth to Interlaken flight deals. Data was last updated 28 8月 2025.

Round-trip from

£195

One-way from

£92

Popular in

October

Cheapest in

February

Average price

£248
23/9-30/9
  • 23/9-30/9
  • 2 total stops
  • 34h 55m total
  • Portsmouth to Interlaken
Search Deals
easyJet
  • easyJet
  • 7/10
  • 2 total stops
  • 24h 20m total
  • Portsmouth to Interlaken
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Portsmouth to Interlaken

Cheapest flights from Portsmouth to Interlaken
Explore the most affordable flight options available from Portsmouth to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 8月 2025.

週二 23/914:00SOU - ZRH
1 stop18h 20mMultiple Airlines
週二 30/916:30ZRH - SOU
1 stop16h 35mMultiple Airlines
Deal found 26/8£195
週三 1/1017:35SOU - ZRH
1 stop3h 50mKLM
週二 7/1017:35ZRH - SOU
1 stop16h 10mKLM
Deal found 27/8£200
週四 9/1017:35SOU - ZRH
1 stop3h 50mKLM
週四 16/1017:35ZRH - SOU
1 stop16h 10mKLM
Deal found 25/8£200
週五 10/1020:00SOU - ZRH
1 stop13h 35mMultiple Airlines
週五 17/1009:35ZRH - SOU
2 stops10h 20mMultiple Airlines
Deal found 26/8£225
週五 10/1020:00SOU - ZRH
1 stop13h 35mAer Lingus
週五 17/1020:50ZRH - SOU
1 stop12h 50mAer Lingus
Deal found 26/8£229
週四 9/1008:55SOU - ZRH
2 stops24h 20mMultiple Airlines
週四 16/1006:50ZRH - SOU
1 stop6h 55mMultiple Airlines
Deal found 25/8£232
週三 1/1020:00SOU - ZRH
1 stop13h 35mMultiple Airlines
週二 7/1008:50ZRH - SOU
2 stops11h 40mMultiple Airlines
Deal found 27/8£235

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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 28 8月 2025.
Use the filters below to find and compare flights from Portsmouth to Interlaken that are best for you.

Fly from

Portsmouth

Fly to

Interlaken

Route

Depart

Return

Price

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

週二 23/9

14:00-09:20

1 stop18h 20m

Zurich

週二 30/9

16:30-08:05

1 stop16h 35m

£195

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

週三 1/10

17:35-22:25

1 stop3h 50m

Zurich

週二 7/10

17:35-08:45

1 stop16h 10m

£200

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

週四 9/10

17:35-22:25

1 stop3h 50m

Zurich

週四 16/10

17:35-08:45

1 stop16h 10m

£200

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

週五 10/10

20:00-10:35

1 stop13h 35m

Zurich

週五 17/10

09:35-18:55

2 stops10h 20m

£225

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

週五 10/10

20:00-10:35

1 stop13h 35m

Zurich

週五 17/10

20:50-08:40

1 stop12h 50m

£229

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

週四 9/10

08:55-10:15

2 stops24h 20m

Zurich

週四 16/10

06:50-12:45

1 stop6h 55m

£232

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

週三 1/10

20:00-10:35

1 stop13h 35m

Zurich

週二 7/10

08:50-19:30

2 stops11h 40m

£235

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

週二 7/10

12:25-13:45

2 stops24h 20m

£92

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

週二 7/10

20:00-10:35

1 stop13h 35m

£96

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

週四 9/10

17:35-11:05

1 stop16h 30m

£129

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 17 results
1
2

Best time to book a flight from Portsmouth to Interlaken

Have a flexible travel schedule? Discover the best time to fly to Interlaken from Portsmouth 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 Portsmouth to Interlaken

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

Currently, November is the cheapest month in which you can book a flight from Portsmouth to Interlaken (average of £153). Flying from Portsmouth to Interlaken in August is currently the most expensive (average of £238). 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 P0R to IN9?

Find hourly flight availability from Portsmouth 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 28 8月 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Interlaken as you normally would.

What is the cheapest day to fly from Portsmouth to Interlaken?

Use this chart to determine the cheapest time to fly return from Portsmouth to Interlaken. Price data was last updated on 24 August 2025.

Travellers seeking maximum savings on their Portsmouth to Interlaken flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Interlaken

Explore weekly flight availability from Portsmouth to Interlaken. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 28 8月 2025.

The most flights from P0R to IN9 are scheduled on a Thursday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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 28 8月 2025.
Read through reviews of airlines operating flights from Portsmouth to Interlaken, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,382 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,382 reviews
KLM
7.8
Good
1,382 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Interlaken. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portsmouth to Interlaken?

    For as low as £200, KLM can have you in Interlaken from Portsmouth in 3h 50m. The distance between Portsmouth and Interlaken is about 507 mi.

  • What are the cheapest airlines to fly from Portsmouth to Interlaken one-way?

    The cheapest airline one-way is easyJet, with whom users have recently found tickets for as low as £92. However, be on the lookout for offers from Aer Lingus and KLM, as they are both options that can get you from Portsmouth to Interlaken for a low price.

  • What are the most reliable airlines from Portsmouth to Interlaken?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portsmouth to Interlaken on time: Helvetic Airways (83%), Air Canada (67%), Malaysia Airlines (65%).

  • What are the cheapest flights from Portsmouth to Interlaken?

    On average you can expect to pay £873 for a flight from Portsmouth to Interlaken. The cheapest flight overall is £76 while the most popular route, (Southampton Eastleigh - Zurich) is currently priced at £195.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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 Portsmouth to Interlaken?

    Currently, November is the cheapest month in which you can book a flight from Portsmouth to Interlaken (average of £153). Flying from Portsmouth to Interlaken in August is currently the most expensive (average of £238). 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.

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Top 10 airlines flying from Portsmouth to Interlaken

Discover the top 10 airlines that operate flights from Portsmouth 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 28 8月 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£32Average£81FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£42Average£107FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Jet2Cheapest£55Average£115FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
easyJetCheapest£66Average£115FlexibilityNo cancel feeOn-timeN/A
Search easyJet flights
Air SerbiaCheapest£69Average£71FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
British AirwaysCheapest£74Average£162FlexibilityNo cancel feeOn-time70%
Search British Airways flights
SWISSCheapest£85Average£179FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest£134Average£203FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£146Average£231FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest£167Average£281FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

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

Cheapflights makes it easy to find Portsmouth to Interlaken flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

Yes, we can. To see specific flights from Portsmouth to Interlaken with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Portsmouth 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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