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Cheap flights from Portsmouth to Interlaken from £196

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ZRH
8 Apr — 15 Apr1
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 3 April 2025.

Round-trip from

£196

Popular in

April

Cheapest in

February

Average price

£344
KLM
  • KLM
  • 17/5-24/5
  • 2 total stops
  • 29h 40m total
  • Portsmouth to Interlaken
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 3 April 2025.

Sat 17/518:05SOU - ZRH
1 stop13h 30mKLM
Sat 24/517:35ZRH - SOU
1 stop16h 10mKLM
Deal found 2/4£196
Sat 17/518:00SOU - ZRH
3 stops23h 55mMultiple Airlines
Sat 24/506:35ZRH - SOU
1 stop27h 00mMultiple Airlines
Deal found 2/4£327
Wed 16/412:30SOU - ZRH
2 stops9h 05mBritish Airways
Sun 26/1016:30ZRH - SOU
2 stops16h 40mBritish Airways
Deal found 2/4£702

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 3 April 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

Sat 17/5

18:05-08:35

1 stop13h 30m

Zurich

Sat 24/5

17:35-08:45

1 stop16h 10m

£196

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Sat 17/5

18:00-18:55

3 stops23h 55m

Zurich

Sat 24/5

06:35-08:35

1 stop27h 00m

£327

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Wed 16/4

12:30-22:35

2 stops9h 05m

Zurich

Sun 26/10

16:30-08:10

2 stops16h 40m

£702

SouthamptonZurich

SOU - ZRH

SOUZRH

Southampton Eastleigh

Thu 7/8

16:30-09:00

2 stops15h 30m

£265

Flights are sorted by cheapest return flights first.

Deals found on 1/4

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 3 April 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 30 June 2024.

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 3 April 2025.

The most flights from P0R to IN9 are scheduled on a Wednesday (32 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Interlaken by month

Plan your trip to Interlaken by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Interlaken ranges from 63.0 - 128.0 inches per month. June is typically the wettest month, when rainfall can reach 128.0 mm. January is typically the driest time to visit Interlaken when rainfall is around 63.0 mm.

Temperature in Interlaken by month

Plan your trip to Interlaken by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Interlaken, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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 3 April 2025.
Get a feel of what it's like to fly with KLM and British Airways from Portsmouth to Interlaken by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,323 reviews
Check prices

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,718 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • 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: Edelweiss Air (100%), Helvetic Airways (91%), ANA (90%).

  • What are the cheapest flights from Portsmouth to Interlaken?

    On average you can expect to pay £1,778 for a flight from Portsmouth to Interlaken. The cheapest flight overall is £74 while the most popular route, (Southampton Eastleigh - Zurich) is currently priced at £196.

  • 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.

See more FAQs

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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 3 April 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£31Average£49FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£44Average£109FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Jet2Cheapest£57Average£121FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
easyJetCheapest£69Average£117FlexibilityNo cancel feeOn-timeN/A
Search easyJet flights
British AirwaysCheapest£76Average£160FlexibilityNo cancel feeOn-time70%
Search British Airways flights
SWISSCheapest£89Average£186FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest£117Average£169FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£135Average£171FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£153Average£238FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest£180Average£344FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

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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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