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Cheap flights from Portsmouth to Interlaken from £112

LHR — ZRH
16 Oct — 23 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Interlaken

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Interlaken

Tue 27/1012:15 -
2 stops21h 10m
Tue 3/1111:05 -
1 stop9h 25m
Deal found 12/9£184
Tue 27/1020:00 -
1 stop13h 25m
Tue 3/1111:05 -
1 stop9h 25m
Deal found 12/9£191
Fri 30/1015:00 -
1 stop16h 55m
Fri 6/1109:40 -
1 stop5h 30m
Deal found 15/9£204
Wed 28/1020:00 -
1 stop13h 25m
Wed 4/1111:05 -
1 stop9h 25m
Deal found 13/9£205
Fri 20/1120:00 -
1 stop13h 25m
Sun 22/1120:20 -
1 stop13h 30m
Deal found 13/9£213
Wed 25/1109:15 -
2 stops9h 25m
Fri 27/1109:40 -
1 stop5h 30m
Deal found 16/9£216
Thu 29/1013:55 -
2 stops7h 30m
Thu 5/1121:15 -
1 stop17h 55m
Deal found 14/9£219
Sat 31/1009:25 -
1 stop24h 35m
Sat 7/1111:55 -
1 stop22h 00m
Deal found 16/9£228
Wed 28/1009:15 -
2 stops8h 10m
Wed 4/1111:05 -
1 stop9h 25m
Deal found 13/9£231
Fri 20/1120:00 -
1 stop13h 25m
Sun 22/1116:30 -
2 stops17h 20m
Deal found 13/9£234

Find flight deals from Portsmouth to Interlaken

Round-trip from

£184

One-way from

£112

Popular in

August

Cheapest in

November

Average price

£149
Aer Lingus
  • Aer Lingus
  • 27/10-3/11
  • 3 total stops
  • 30h 35m total
  • Portsmouth to Interlaken
Search Deals
Aer Lingus
  • Aer Lingus
  • 20/10-31/12
  • 1 total stop
  • 13h 35m total
  • Portsmouth to Interlaken
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£10 potential increase over avg. return price).
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 September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Portsmouth to Interlaken that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonZurich

SOU Southampton Eastleigh - ZRH Zurich

SOUZRH

Southampton Eastleigh

Fri 30/10

15:00-08:55

1 stop16h 55m

Zurich

Fri 6/11

09:40-14:10

1 stop5h 30m

£204

SouthamptonZurich

SOU Southampton Eastleigh - ZRH Zurich

SOUZRH

Southampton Eastleigh

Thu 29/10

20:00-10:25

1 stop13h 25m

Zurich

Thu 5/11

11:05-19:30

1 stop9h 25m

£205

SouthamptonZurich

SOU Southampton Eastleigh - ZRH Zurich

SOUZRH

Southampton Eastleigh

Sat 31/10

09:25-11:00

1 stop24h 35m

Zurich

Sat 7/11

11:55-08:55

1 stop22h 00m

£228

SouthamptonZurich

SOU Southampton Eastleigh - ZRH Zurich

SOUZRH

Southampton Eastleigh

Fri 23/10

17:20-11:05

1 stop16h 45m

Zurich

Wed 31/12

00:00-00:00

Nonstop0h 00m

£229

SouthamptonZurich

SOU Southampton Eastleigh - ZRH Zurich

SOUZRH

Southampton Eastleigh

Sat 17/10

09:20-08:35

1 stop22h 15m

Zurich

Wed 31/12

00:00-00:00

Nonstop0h 00m

£229

SouthamptonZurich

SOU Southampton Eastleigh - ZRH Zurich

SOUZRH

Southampton Eastleigh

Wed 21/10

17:20-18:40

1 stop24h 20m

Zurich

Wed 31/12

00:00-00:00

Nonstop0h 00m

£229

SouthamptonZurich

SOU Southampton Eastleigh - ZRH Zurich

SOUZRH

Southampton Eastleigh

Fri 20/11

17:15-10:25

2 stops16h 10m

Zurich

Sun 22/11

16:30-08:50

2 stops17h 20m

£236

SouthamptonZurich

SOU Southampton Eastleigh - ZRH Zurich

SOUZRH

Southampton Eastleigh

Thu 29/10

20:00-11:00

2 stops14h 00m

Zurich

Thu 5/11

21:00-14:10

2 stops18h 10m

£239

SouthamptonZurich

SOU Southampton Eastleigh - ZRH Zurich

SOUZRH

Southampton Eastleigh

Sun 18/10

12:35-09:35

2 stops20h 00m

Zurich

Wed 31/12

00:00-00:00

Nonstop0h 00m

£254

SouthamptonZurich

SOU Southampton Eastleigh - ZRH Zurich

SOUZRH

Southampton Eastleigh

Thu 22/10

08:55-09:00

2 stops23h 05m

Zurich

Wed 31/12

00:00-00:00

Nonstop0h 00m

£254

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 16 resultsSorted by cheapest first
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

Cheapflights Insights

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

What is the cheapest time of day to fly from P0R to IN9?

A simple way to save on the total cost of your ticket is to fly from Portsmouth to Interlaken in the morning. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the evening.

Weekly flight availability from Portsmouth to Interlaken

The most flights from P0R to IN9 are scheduled on a Tuesday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

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

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

Reviews of airlines servicing Interlaken

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
1,577 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
KLM
7.8
Good
1,577 reviews
KLM
7.8
Good
1,577 reviews
Check prices

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

  • How long is the flight from Portsmouth to Interlaken?

    For as low as £205, Aer Lingus can have you in Interlaken from Portsmouth in 13h 25m. The distance between Portsmouth and Interlaken is about 507 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 (100%), Qatar Airways (78%), British Airways (75%).

  • What are the cheapest flights from Portsmouth to Interlaken?

    On average you can expect to pay £1,168 for a flight from Portsmouth to Interlaken. The cheapest flight overall is £78 while the most popular route, (Southampton Eastleigh - Zurich) is currently priced at £204.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Portsmouth to Interlaken

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£34Average£108FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£38Average£88FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Jet2Cheapest£57Average£117FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
British AirwaysCheapest£70Average£168FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£84Average£278FlexibilityNo cancel feeOn-time75%
Search KLM flights
easyJetCheapest£87Average£144FlexibilityNo cancel feeOn-timeN/A
Search easyJet flights
SWISSCheapest£91Average£205FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest£132Average£177FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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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.

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