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Cheap flights from London Southend Airport to Kos from £172

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — KGS
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southend to Kos

Enter your travel dates to find the best prices.

Cheapest flights from Southend to Kos
Explore the most affordable flight options available from Southend to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 February 2026.

Sun 24/511:00
SEN
-
KGS
2 stops11h 35m
Multiple Airlines
Sun 31/511:20
KGS
-
SEN
1 stop10h 15m
Multiple Airlines
Deal found 10/2£537

Find flight deals from Southend to Kos

Discover tips and strategies to find the most affordable flight options for your journey from Southend (SEN) to Kos (KGS). 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 13 February 2026.

Round-trip from

£537

One-way from

£172

Popular in

August

Cheapest in

April

Average price

£216
24/5-31/5
  • 24/5-31/5
  • 3 total stops
  • 21h 50m total
  • London to Kos
Search Deals
3/4
  • 3/4
  • 2 total stops
  • 21h 15m total
  • London to Kos
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southend to Kos 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 13 February 2026.
Use the filters below to find and compare flights from London Southend Airport to Kos that are best for you.

Fly from

Southend

Fly to

Kos

Route

Depart

Return

Price

LondonKos

SEN - KGS

SENKGS

London Southend

Sun 24/5

11:00-00:35

2 stops11h 35m

Kos

Sun 31/5

11:20-19:35

1 stop10h 15m

£537

LondonKos

SEN - KGS

SENKGS

London Southend

Fri 3/4

20:40-19:55

2 stops21h 15m

£172

LondonKos

SEN - KGS

SENKGS

London Southend

Wed 20/5

16:50-11:20

1 stop16h 30m

£187

LondonKos

SEN - KGS

SENKGS

London Southend

Mon 27/4

07:30-17:35

2 stops8h 05m

£197

LondonKos

SEN - KGS

SENKGS

London Southend

Tue 17/3

07:35-08:00

2 stops22h 25m

£203

LondonKos

SEN - KGS

SENKGS

London Southend

Sun 24/5

11:00-21:55

2 stops8h 55m

£229

LondonKos

SEN - KGS

SENKGS

London Southend

Sat 18/7

17:20-08:50

2 stops13h 30m

£254

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Best time to book a flight from Southend to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Southend 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.

Related info for your journey

Find useful and relevant information for your journey from Southend to Kos. 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 Kos from London Southend?

    Kos (KGS), located 12.8 mi from the city center, is the airport you fly into when you book flights from London Southend to Kos. 0 airlines have flights to Kos from London Southend on a regular basis. Booking flights from London Southend to Kos should not be difficult; the airport handles an average of 0 inbound flights from London Southend per day.

  • Can I find deals for flights from Southend to Kos that include hotel bookings?

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

  • How can I find direct flights from Southend to Kos?

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

  • Can I find deals for business class flights from Southend to Kos?

    Yes. Cheapflights offers flight deals from Southend to Kos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Marmari
Kardamena

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Cheapflights makes it easy to find Southend to Kos flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Southend to Kos?

Cheapflights helps you find that perfect flight to Kos from Southend by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Southend to Kos with no change fees?

Yes, we can. To see specific flights from Southend to Kos with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Southend to Kos become cheaper?

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

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