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Cheap flights from Portsmouth to Basel from £106

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EAP
13 Jul — 20 Jul1
1 adult

Cheap flight deals from Portsmouth to Basel

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

Round-trip from

£203

One-way from

£106

Popular in

July

Cheapest in

March

Average price

£128
KLM
  • KLM
  • 21/7-1/8
  • 2 total stops
  • 29h 30m total
  • Portsmouth to Basel
19/11
  • 19/11
  • 1 total stop
  • 25h 50m total
  • Portsmouth to Basel
Highest demand for flights based on searches. 17% potential increase in price (£16 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£2 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Portsmouth to Basel

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

Mon 21/718:25SOU - BSL
1 stop14h 10mKLM
Fri 1/818:25BSL - SOU
1 stop15h 20mKLM
Deal found 6/7£203
Thu 21/820:50SOU - BSL
1 stop12h 35mMultiple Airlines
Thu 28/806:00BSL - SOU
2 stops14h 30mMultiple Airlines
Deal found 7/7£254
Sat 6/1209:45SOU - BSL
2 stops10h 45mBritish Airways
Tue 9/1211:00BSL - SOU
2 stops9h 25mBritish Airways
Deal found 6/7£453

Cheapflights Fare Finder

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

Fly from

Portsmouth

Fly to

Basel

Route

Depart

Return

Price

SouthamptonBasel

SOU - BSL

SOUBSL

Southampton Eastleigh

Mon 21/7

18:25-09:35

1 stop14h 10m

Basel EuroAirport Swiss

Fri 1/8

18:25-08:45

1 stop15h 20m

£203

SouthamptonBasel

SOU - BSL

SOUBSL

Southampton Eastleigh

Thu 21/8

20:50-10:25

1 stop12h 35m

Basel EuroAirport Swiss

Thu 28/8

06:00-19:30

2 stops14h 30m

£254

SouthamptonBasel

SOU - BSL

SOUBSL

Southampton Eastleigh

Sat 6/12

09:45-21:30

2 stops10h 45m

Basel EuroAirport Swiss

Tue 9/12

11:00-19:25

2 stops9h 25m

£453

SouthamptonBasel

SOU - BSL

SOUBSL

Southampton Eastleigh

Wed 19/11

18:10-21:00

1 stop25h 50m

£106

SouthamptonBasel

SOU - BSL

SOUBSL

Southampton Eastleigh

Tue 26/8

09:20-21:40

1 stop11h 20m

£120

SouthamptonBasel

SOU - BSL

SOUBSL

Southampton Eastleigh

Tue 29/7

16:30-10:55

2 stops17h 25m

£299

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Best time to book a flight from Portsmouth to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel 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 Basel

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

Currently, March is the cheapest month in which you can book a flight from Portsmouth to Basel (average of £81). Flying from Portsmouth to Basel in July is currently the most expensive (average of £198). 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 EAP?

Find hourly flight availability from Portsmouth to Basel. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 July 2025.

When flying from Portsmouth to Basel, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Basel. Price data was last updated on 30 June 2024.

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

Reviews of airlines servicing Basel

Get insights into the airlines that provide service to Basel. 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 Basel. Reviews last updated 8 July 2025.
Read reviews from past customers who have flown with KLM and British Airways from Portsmouth to Basel. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.4

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

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.

Crew

8.4

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

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.

Crew

8.4

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

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 Basel. 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 into for flights to Basel from Portsmouth?

    Basel All airports (EAP) is the airport you will fly into if you book a flight from Portsmouth to Basel. You should not have trouble finding flights to All airports from Portsmouth; the airport handles an average of 0 inbound flights from Portsmouth per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Basel airport from Portsmouth. It is only a 0.2 mi journey from All airports (EAP) to Basel’s city center.

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

    The top 3 most reliable airlines when flying from Portsmouth to Basel are Japan Airlines (83%), British Airways (82%) and American Airlines (81%).

  • What are the cheapest flights from Portsmouth to Basel?

    On average you can expect to pay £120 for a flight from Portsmouth to Basel. The cheapest flight overall is £57 while the most popular route, (Southampton Eastleigh - Basel EuroAirport Swiss) is currently priced at £208.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to Basel (average of £81). Flying from Portsmouth to Basel in July is currently the most expensive (average of £198). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Portsmouth to Basel

Discover the top 4 airlines that operate flights from Portsmouth to Basel. 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 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£30Average£80FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£50Average£102FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£78Average£138FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£131Average£172FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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