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Cheap flights from Shannon to Southampton from £138

SNN — SOU
11 Oct — 18 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Shannon to Southampton

Enter your travel dates to find the best prices.

Cheapest flights from Shannon to Southampton

Sun 25/1020:15 -
2 stops14h 00m
Sun 1/1114:00 -
2 stops21h 10m
Deal found 10/9£138
Sun 27/920:35 -
2 stops15h 15m
Thu 1/1020:00 -
2 stops23h 50m
Deal found 10/9£169
Sun 11/1007:30 -
2 stops12h 00m
Tue 13/1009:15 -
2 stops11h 20m
Deal found 8/9£503

Find flight deals from Shannon to Southampton

Round-trip from

£138

Popular in

November

Cheapest in

May

Average price

£48
25/10-1/11
  • 25/10-1/11
  • 4 total stops
  • 35h 10m total
  • Shannon to Southampton
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Highest demand for flights based on searches. 20% potential increase in price (£15 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

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Route

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Cheapest return flight

ShannonSouthampton

SNN Shannon - SOU Southampton Eastleigh

SNNSOU

Shannon

Sun 25/10

20:15-10:15

2 stops14h 00m

Southampton Eastleigh

Sun 1/11

14:00-11:10

2 stops21h 10m

£138

ShannonSouthampton

SNN Shannon - SOU Southampton Eastleigh

SNNSOU

Shannon

Sun 27/9

20:35-11:50

2 stops15h 15m

Southampton Eastleigh

Thu 1/10

09:25-08:55

1 stop23h 30m

£180
Fastest return journey

ShannonSouthampton

SNN Shannon - SOU Southampton Eastleigh

SNNSOU

Shannon

Sun 11/10

07:30-19:30

2 stops12h 00m

Southampton Eastleigh

Tue 13/10

09:15-20:35

2 stops11h 20m

£503

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Sorted by cheapest first

Best time to book a flight from Shannon to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Shannon with our price prediction graph.
Estimated return price

Related info for your journey

  • How long is the flight from Shannon, Clare to Southampton?

    There are many flights that can get you from Shannon, Clare to Southampton in 12h. Fly via Aer Lingus to get the fastest option. Shannon, Clare and Southampton are separated by a distance of 344 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Shannon 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.

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