Cheap flights from Southampton to Bonn from £99

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — FRA
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Southampton to Bonn

Keep the following information in mind while searching for Southampton to Bonn flight deals. Data was last updated 29 August 2025.

Round-trip from

£218

One-way from

£99

Popular in

October

Cheapest in

January

Average price

£167
KLM
  • KLM
  • 25/9-29/9
  • 2 total stops
  • 16h 10m total
  • Southampton to Bonn
Aer Lingus
  • Aer Lingus
  • 7/10
  • 1 total stop
  • 12h 45m total
  • Southampton to Bonn
Highest demand for flights based on searches. 12% potential increase in price (£15 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Southampton to Bonn

Cheapest flights from Southampton to Bonn
Explore the most affordable flight options available from Southampton to Bonn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Thu 25/920:00SOU - DUS
1 stop12h 45mMultiple Airlines
Mon 29/906:20DUS - SOU
1 stop3h 25mMultiple Airlines
Deal found 28/8£218
Sun 12/1020:00SOU - DUS
1 stop12h 45mMultiple Airlines
Sun 19/1008:55DUS - SOU
2 stops23h 45mMultiple Airlines
Deal found 28/8£232
Sun 12/1020:00SOU - DUS
1 stop12h 45mAer Lingus
Sun 19/1021:00DUS - SOU
1 stop13h 10mAer Lingus
Deal found 28/8£237
Sun 12/1020:00SOU - DUS
1 stop12h 45mMultiple Airlines
Thu 16/1013:25DUS - SOU
1 stop20h 15mMultiple Airlines
Deal found 27/8£242
Mon 13/1009:20SOU - DUS
1 stop12h 05mKLM
Thu 16/1018:15DUS - SOU
1 stop15h 30mKLM
Deal found 27/8£243
Mon 13/1012:10SOU - DUS
2 stops19h 55mMultiple Airlines
Thu 16/1013:25DUS - SOU
1 stop7h 05mMultiple Airlines
Deal found 27/8£262

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Bonn 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 29 August 2025.
Use the filters below to find and compare flights from Southampton to Bonn that are best for you.

Fly from

Southampton

Fly to

Bonn

Route

Depart

Return

Price

SouthamptonDüsseldorf

SOU - DUS

SOUDUS

Southampton Eastleigh

Thu 25/9

20:00-09:45

1 stop12h 45m

Duesseldorf Intl

Mon 29/9

06:20-08:45

1 stop3h 25m

£218

SouthamptonDüsseldorf

SOU - DUS

SOUDUS

Southampton Eastleigh

Sun 12/10

20:00-09:45

1 stop12h 45m

Duesseldorf Intl

Sun 19/10

08:55-07:40

2 stops23h 45m

£232

SouthamptonDüsseldorf

SOU - DUS

SOUDUS

Southampton Eastleigh

Sun 12/10

20:00-09:45

1 stop12h 45m

Duesseldorf Intl

Sun 19/10

21:00-09:10

1 stop13h 10m

£237

SouthamptonDüsseldorf

SOU - DUS

SOUDUS

Southampton Eastleigh

Sun 12/10

20:00-09:45

1 stop12h 45m

Duesseldorf Intl

Thu 16/10

13:25-08:40

1 stop20h 15m

£242

SouthamptonDüsseldorf

SOU - DUS

SOUDUS

Southampton Eastleigh

Mon 13/10

09:20-22:25

1 stop12h 05m

Duesseldorf Intl

Thu 16/10

18:15-08:45

1 stop15h 30m

£243

SouthamptonDüsseldorf

SOU - DUS

SOUDUS

Southampton Eastleigh

Mon 13/10

12:10-09:05

2 stops19h 55m

Duesseldorf Intl

Thu 16/10

13:25-19:30

1 stop7h 05m

£262

SouthamptonDüsseldorf

SOU - DUS

SOUDUS

Southampton Eastleigh

Tue 7/10

20:00-09:45

1 stop12h 45m

£99

SouthamptonDüsseldorf

SOU - DUS

SOUDUS

Southampton Eastleigh

Tue 7/10

12:25-09:45

2 stops20h 20m

£126

SouthamptonDüsseldorf

SOU - DUS

SOUDUS

Southampton Eastleigh

Thu 11/9

20:00-09:45

1 stop12h 45m

£141

SouthamptonDüsseldorf

SOU - DUS

SOUDUS

Southampton Eastleigh

Tue 14/10

20:00-09:45

1 stop12h 45m

£143

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 14 results
1
2

Best time to book a flight from Southampton to Bonn

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

What is the cheapest month to book a flight from Southampton to Bonn?

Currently, February is the cheapest month in which you can book a flight from Southampton to Bonn (average of £187). Flying from Southampton to Bonn in June is currently the most expensive (average of £247). 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 SOU to BN9?

Find hourly flight availability from Southampton to Bonn. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Bonn as you normally would.

Reviews of airlines servicing Bonn

Get insights into the airlines that provide service to Bonn. 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 Bonn. Reviews last updated 29 August 2025.
See what other customers who have flown with KLM from Southampton to Bonn have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

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.

Comfort

7.7

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

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 Southampton to Bonn. 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 from for flights from Southampton to Bonn?

    Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Bonn. On average, Eastleigh has 0 outbound flights to Bonn per day from 1 airline. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

  • How long is the flight from Southampton to Bonn?

    Departing from Southampton to Bonn will take you 12h 45m. The distance between Southampton and Bonn is about 353 mi.

  • Can I find deals for flights from Southampton to Bonn that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton to Bonn 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 Bonn?

    Currently, February is the cheapest month in which you can book a flight from Southampton to Bonn (average of £187). Flying from Southampton to Bonn in June is currently the most expensive (average of £247). 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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Alternative routes for Southampton to Bonn

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Southampton to Bonn

Discover the top airline that operate flights from Southampton to Bonn. 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£167Average£247FlexibilityNo cancel feeOn-time75%
Search KLM flights

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Need flexible booking options for your flight to Bonn from Southampton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Southampton to Bonn become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Bonn from Southampton today and book when prices fit your budget.

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