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Cheap flights from London to Ios from £25

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — JTR
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Ios are usually found in November or March, booked 64 days in advance, depart on a Sunday or Wednesday and return on a Sunday

Cheap flight deals from London to Ios

Enter your travel dates to find the best prices.

Cheapest flights from London to Ios
Explore the most affordable flight options available from London to Ios. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 March 2026.

Sun 19/416:45
STN
-
JTR
Nonstop3h 45m
Ryanair
Fri 24/413:15
JTR
-
STN
1 stop12h 05m
Ryanair
Deal found 20/3£96
Wed 6/516:35
LGW
-
JTR
Nonstop3h 55m
easyJet
Wed 13/523:20
JTR
-
LGW
Nonstop4h 00m
easyJet
Deal found 22/3£96
Sun 3/516:45
STN
-
JTR
Nonstop3h 45m
Ryanair
Sun 10/522:55
JTR
-
STN
Nonstop4h 05m
Ryanair
Deal found 19/3£97
Sun 7/616:45
STN
-
JTR
Nonstop3h 45m
Multiple Airlines
Wed 10/608:40
JTR
-
STN
1 stop15h 50m
Multiple Airlines
Deal found 19/3£99
Sun 19/421:45
STN
-
JTR
2 stops23h 40m
Ryanair
Sun 26/422:55
JTR
-
STN
Nonstop4h 05m
Ryanair
Deal found 18/3£100
Sun 26/408:00
STN
-
JTR
1 stop8h 55m
Multiple Airlines
Sun 3/522:55
JTR
-
STN
Nonstop4h 05m
Multiple Airlines
Deal found 22/3£102
Fri 10/411:20
STN
-
JTR
Nonstop3h 45m
Ryanair
Fri 17/417:35
JTR
-
STN
Nonstop4h 05m
Ryanair
Deal found 21/3£103
Fri 17/411:20
STN
-
JTR
Nonstop3h 45m
Ryanair
Fri 24/413:15
JTR
-
STN
1 stop8h 20m
Ryanair
Deal found 19/3£106
Sun 19/416:45
STN
-
JTR
Nonstop3h 45m
Ryanair
Wed 22/419:10
JTR
-
STN
2 stops20h 10m
Ryanair
Deal found 19/3£107
Sun 26/419:40
STN
-
JTR
1 stop10h 15m
Ryanair
Sun 3/522:55
JTR
-
STN
Nonstop4h 05m
Ryanair
Deal found 21/3£109
Sun 19/406:45
LTN
-
JTR
1 stop10h 10m
Ryanair
Fri 24/413:15
JTR
-
LTN
1 stop12h 10m
Ryanair
Deal found 20/3£117
Sun 26/407:40
LGW
-
JTR
Nonstop3h 55m
easyJet
Sat 2/521:05
JTR
-
LGW
Nonstop4h 05m
easyJet
Deal found 19/3£124

Find flight deals from London to Ios

Keep the following information in mind while searching for London to Ios flight deals. Data was last updated 23 March 2026.

Round-trip from

£96

One-way from

£25

Popular in

December

Cheapest in

November

Average price

£134
Ryanair
  • Ryanair
  • 19/4-24/4
  • 1 total stop
  • 15h 50m total
  • London to Ios
Search Deals
Ryanair
  • Ryanair
  • 19/4
  • Nonstop
  • 3h 45m total
  • London to Ios
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Ios 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 23 March 2026.
Use the filters below to find and compare flights from London to Ios that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonThera

LTN - JTR

LTNJTR

London Luton

Sun 19/4

06:45-18:55

1 stop10h 10m

Thera Santorini

Fri 24/4

13:15-23:25

1 stop12h 10m

£141

LondonThera

LTN - JTR

LTNJTR

London Luton

Tue 21/4

05:00-22:45

2 stops15h 45m

Thera Santorini

Thu 23/4

23:50-23:15

1 stop25h 25m

£146

LondonThera

STN - JTR

STNJTR

London Stansted

Mon 20/4

06:20-23:25

1 stop15h 05m

Thera Santorini

Mon 27/4

19:55-08:45

1 stop14h 50m

£146
Fastest return journey

LondonThera

LGW - JTR

LGWJTR

London Gatwick

Wed 1/7

16:35-22:30

Nonstop3h 55m

Thera Santorini

Wed 8/7

23:20-01:20

Nonstop4h 00m

£160

LondonThera

LGW - JTR

LGWJTR

London Gatwick

Sun 19/4

07:40-13:35

Nonstop3h 55m

Thera Santorini

Thu 23/4

13:25-15:35

Nonstop4h 10m

£162

LondonThera

STN - JTR

STNJTR

London Stansted

Mon 20/4

06:45-23:25

2 stops14h 40m

Thera Santorini

Mon 27/4

19:55-11:40

2 stops17h 45m

£166

LondonThera

LTN - JTR

LTNJTR

London Luton

Thu 9/4

21:40-12:30

1 stop12h 50m

Thera Santorini

Mon 13/4

17:20-09:15

1 stop17h 55m

£167

LondonThera

LGW - JTR

LGWJTR

London Gatwick

Mon 13/4

20:15-10:35

1 stop12h 20m

Thera Santorini

Thu 16/4

13:25-15:35

Nonstop4h 10m

£167

LondonThera

LTN - JTR

LTNJTR

London Luton

Thu 23/4

14:40-22:55

1 stop6h 15m

Thera Santorini

Sat 25/4

07:40-15:15

1 stop9h 35m

£169

LondonThera

LGW - JTR

LGWJTR

London Gatwick

Wed 22/4

06:25-12:20

Nonstop3h 55m

Thera Santorini

Sat 25/4

14:50-17:00

Nonstop4h 10m

£169

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

Best time to book a flight from London to Ios

Have a flexible travel schedule? Discover the best time to fly to Ios from London 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 London to Ios

How far ahead should I book a flight from London to Ios?

Use this chart to determine the optimal time to book a return flight from London to Ios. Price data was last updated on 13 March 2026.

The best time to book flights from London to Ios is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Ios

Get insights into the airlines that provide service to Ios. 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 Ios. Reviews last updated 23 March 2026.
Check out reviews from past customers who have flown with Jet2,Aegean Airlines, andRyanair from London to Ios to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jet2
8.2
Very Good
184 reviews
Check prices

Food

7.2

Boarding

8.1

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.
Jet2
8.2
Very Good
184 reviews
Jet2
8.2
Very Good
184 reviews
Check prices

Food

7.2

Boarding

8.1

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.
Aegean Airlines
8.1
Very Good
858 reviews
Jet2
8.2
Very Good
184 reviews
Check prices

Food

7.2

Boarding

8.1

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.
Ryanair
6.9
Okay
5,302 reviews
Jet2
8.2
Very Good
184 reviews
Check prices

Food

7.2

Boarding

8.1

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.
easyJet
6.9
Okay
1,887 reviews
Jet2
8.2
Very Good
184 reviews
Check prices

Food

7.2

Boarding

8.1

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.
British Airways
6.7
Okay
7,811 reviews
Jet2
8.2
Very Good
184 reviews
Check prices

Food

7.2

Boarding

8.1

Overall

8.2

Crew

8.8

Comfort

7.7

Entertainment

6.2

Reviews

1 / 18
10.0
Excellent

Irene,Feb 2026

ALC - EMA

I always fly with Jet 2...I have never had a bad flight with them. From arriving at the airport, to the checking in has been trouble free. My last flight I booked my seat, I dont normally if im travelling on my own, the plane was full so im pleased I did. The flight was smooth on take off and landing.

Related info for your journey

Find useful and relevant information for your journey from London to Ios. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Ios?

    Airlines like Ryanair, easyJet, and SWISS fly from London to Ios in about 3h 55m. The time it takes to get you to your destination can typically vary by up to 18h 40m. There are 1621 mi between London and Ios. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London to Ios one-way?

    The cheapet airlines for a one-way flight from London to Ios are Ryanair (£30), easyJet (£45), and Sky Express (£77).

  • What are the most popular routes from London to Ios?

    Most travelers choose London Heathrow - Thera Santorini, London Gatwick - Thera Santorini or London City - Thera Santorini when deciding on the best route from London to Ios.

  • What are the cheapest flights from London to Ios?

    On average you can expect to pay £288 for a flight from London to Ios. The cheapest flight overall is £129 while the most popular route, (London Heathrow - Thera Santorini) is currently priced at £155.

  • Can I find deals for flights from London to Ios that include hotel bookings?

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

  • How can I find direct flights from London to Ios?

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

  • Can I find deals for business class flights from London to Ios?

    Yes. Cheapflights offers flight deals from London to Ios 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

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from London to Ios

Discover the top 8 airlines that operate flights from London to Ios. 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 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£59Average£174FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Jet2Cheapest£64Average£187FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
easyJetCheapest£77Average£207FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aegean AirlinesCheapest£160Average£359FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air FranceCheapest£175Average£330FlexibilityNo cancel feeOn-time77%
Search Air France flights
SWISSCheapest£184Average£222FlexibilityNo cancel feeOn-time79%
Search SWISS flights
British AirwaysCheapest£198Average£357FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£216Average£319FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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