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Cheap flights from Basel EuroAirport Swiss to Southampton from £272

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — SOU
8 Jul — 15 Jul1
1 adult

Cheap flight deals from Basel to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from Basel (BSL) to Southampton (SOU). 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 3 July 2025.

Round-trip from

£279

One-way from

£272

Popular in

July

Cheapest in

March

Average price

£134
KLM
  • KLM
  • 16/8-23/8
  • 2 total stops
  • 30h 20m total
  • Basel to Southampton
British Airways
  • British Airways
  • 4/8
  • 2 total stops
  • 13h 50m total
  • Basel to Southampton
Highest demand for flights based on searches. 14% potential increase in price (£12 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 Basel to Southampton

Cheapest flights from Basel to Southampton
Explore the most affordable flight options available from Basel to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Sat 16/818:25BSL - SOU
1 stop15h 20mKLM
Sat 23/817:35SOU - BSL
1 stop15h 00mKLM
Deal found 2/7£279
Sat 16/806:00BSL - SOU
1 stop8h 20mMultiple Airlines
Sat 23/809:20SOU - BSL
2 stops9h 55mMultiple Airlines
Deal found 2/7£454
Fri 19/919:15BSL - SOU
2 stops15h 10mBritish Airways
Mon 22/908:40SOU - BSL
2 stops8h 40mBritish Airways
Deal found 1/7£612

Cheapflights Fare Finder

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

Fly from

Basel

Fly to

Southampton

Route

Depart

Return

Price

BaselSouthampton

BSL - SOU

BSLSOU

Basel EuroAirport Swiss

Sat 16/8

18:25-08:45

1 stop15h 20m

Southampton Eastleigh

Sat 23/8

17:35-09:35

1 stop15h 00m

£279

BaselSouthampton

BSL - SOU

BSLSOU

Basel EuroAirport Swiss

Sat 16/8

06:00-13:20

1 stop8h 20m

Southampton Eastleigh

Sat 23/8

09:20-20:15

2 stops9h 55m

£454

BaselSouthampton

BSL - SOU

BSLSOU

Basel EuroAirport Swiss

Fri 19/9

19:15-09:25

2 stops15h 10m

Southampton Eastleigh

Mon 22/9

08:40-18:20

2 stops8h 40m

£612

BaselSouthampton

BSL - SOU

BSLSOU

Basel EuroAirport Swiss

Mon 4/8

19:20-08:10

2 stops13h 50m

£272

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Best time to book a flight from Basel to Southampton

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

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

Currently, September is the cheapest month in which you can book a flight from Basel EuroAirport Swiss to Southampton (average of £203). Flying from Basel EuroAirport Swiss to Southampton in November is currently the most expensive (average of £262). 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 Southampton

Get insights into the airlines that provide service to Southampton. 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 Southampton. Reviews last updated 3 July 2025.
Read reviews from past customers who have flown with KLM and British Airways from Basel EuroAirport Swiss to Southampton. 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

Overall

7.8

Boarding

7.8

Food

7.2

Comfort

7.7

Entertainment

7.1

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

Overall

7.8

Boarding

7.8

Food

7.2

Comfort

7.7

Entertainment

7.1

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

Overall

7.8

Boarding

7.8

Food

7.2

Comfort

7.7

Entertainment

7.1

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 Basel to Southampton. 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 Basel to Southampton that include hotel bookings?

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Basel EuroAirport Swiss to Southampton (average of £203). Flying from Basel EuroAirport Swiss to Southampton in November is currently the most expensive (average of £262). 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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