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Cheap flights from Southampton to Basel EuroAirport Swiss from £179

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BSL
6 Jul — 13 Jul1
1 adult

Cheap flight deals from Southampton to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Basel (BSL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 July 2025.

Round-trip from

£179

Popular in

July

Cheapest in

March

Average price

£127
KLM
  • KLM
  • 21/7-1/8
  • 2 total stops
  • 29h 30m total
  • Southampton 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 (£3 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Southampton to Basel

Cheapest flights from Southampton to Basel
Explore the most affordable flight options available from Southampton to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Mon 21/718:25SOU - BSL
1 stop14h 10mKLM
Fri 1/818:25BSL - SOU
1 stop15h 20mKLM
Deal found 29/6£179
Thu 14/820:50SOU - BSL
1 stop10h 20mMultiple Airlines
Thu 21/807:00BSL - SOU
2 stops13h 30mMultiple Airlines
Deal found 30/6£265
Sat 5/718:55SOU - BSL
1 stop14h 05measyJet
Sun 6/720:30BSL - SOU
1 stop24h 25measyJet
Deal found 30/6£335
Mon 21/708:30SOU - BSL
2 stops25h 30mBritish Airways
Fri 1/806:00BSL - SOU
2 stops7h 00mBritish Airways
Deal found 30/6£516

Cheapflights Fare Finder

Customise your flight search to find flights from Southampton 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 1 July 2025.
Use the filters below to find and compare flights from Southampton to Basel EuroAirport Swiss that are best for you.

Fly from

Southampton

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

£179

SouthamptonBasel

SOU - BSL

SOUBSL

Southampton Eastleigh

Thu 14/8

20:50-08:10

1 stop10h 20m

Basel EuroAirport Swiss

Thu 21/8

07:00-19:30

2 stops13h 30m

£265

SouthamptonBasel

SOU - BSL

SOUBSL

Southampton Eastleigh

Mon 21/7

08:30-11:00

2 stops25h 30m

Basel EuroAirport Swiss

Fri 1/8

06:00-12:00

2 stops7h 00m

£516

SouthamptonBasel

SOU - BSL

SOUBSL

Southampton Eastleigh

Thu 7/8

16:30-10:55

2 stops17h 25m

£451

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Best time to book a flight from Southampton to Basel

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

What is the cheapest month to book a flight from Southampton to Basel EuroAirport Swiss?

Currently, March is the cheapest month in which you can book a flight from Southampton to Basel EuroAirport Swiss (average of £81). Flying from Southampton to Basel EuroAirport Swiss 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.

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 1 July 2025.
Read reviews from past customers who have flown with KLM and British Airways from Southampton to Basel EuroAirport Swiss. 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.

Boarding

7.8

Entertainment

7.1

Overall

7.8

Comfort

7.7

Food

7.2

Crew

8.4

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.

Boarding

7.8

Entertainment

7.1

Overall

7.8

Comfort

7.7

Food

7.2

Crew

8.4

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.

Boarding

7.8

Entertainment

7.1

Overall

7.8

Comfort

7.7

Food

7.2

Crew

8.4

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 Southampton to Basel. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find deals for flights from Southampton to Basel that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton 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 Southampton to Basel EuroAirport Swiss?

    Currently, March is the cheapest month in which you can book a flight from Southampton to Basel EuroAirport Swiss (average of £81). Flying from Southampton to Basel EuroAirport Swiss 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.

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