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Cheap flights from London to Ios from £44

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — JTR
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Ios are usually found in November or January, booked 77 days in advance, depart on a Wednesday or Sunday and return on a Saturday

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 11 August 2026.

Wed 30/909:00 -
Nonstop3h 45m
Wed 7/1023:30 -
2 stops26h 05m
Deal found 9/8£137
Mon 28/909:00 -
2 stops25h 50m
Wed 7/1023:30 -
1 stop11h 00m
Deal found 7/8£137
Wed 23/916:35 -
Nonstop3h 55m
Wed 30/923:20 -
Nonstop4h 00m
Deal found 9/8£137
Mon 28/908:15 -
1 stop12h 15m
Wed 7/1023:30 -
2 stops26h 05m
Deal found 7/8£138
Mon 12/1020:35 -
1 stop11h 50m
Mon 19/1022:00 -
1 stop19h 15m
Deal found 10/8£138
Wed 30/909:00 -
Nonstop3h 45m
Sun 4/1022:00 -
1 stop15h 35m
Deal found 10/8£138
Wed 30/916:35 -
Nonstop3h 55m
Wed 7/1023:20 -
Nonstop4h 00m
Deal found 9/8£138
Sun 4/1019:40 -
1 stop10h 15m
Thu 15/1017:30 -
2 stops25h 55m
Deal found 10/8£139
Sun 4/1007:00 -
2 stops25h 30m
Thu 15/1023:50 -
1 stop10h 40m
Deal found 10/8£139
Sun 27/907:40 -
Nonstop3h 55m
Wed 30/923:20 -
Nonstop4h 00m
Deal found 10/8£139
Sun 27/906:00 -
1 stop14h 05m
Wed 30/923:30 -
2 stops22h 50m
Deal found 10/8£140
Mon 28/908:30 -
1 stop12h 00m
Tue 6/1023:20 -
2 stops22h 35m
Deal found 7/8£140

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 11 August 2026.

Round-trip from

£137

One-way from

£44

Popular in

December

Cheapest in

November

Average price

£256
Ryanair
  • Ryanair
  • 30/9-7/10
  • 2 total stops
  • 29h 50m total
  • London to Ios
Search Deals
easyJet
  • easyJet
  • 26/10
  • Nonstop
  • 3h 50m total
  • London to Ios
Search Deals
High demand for flights, 4% potential price rise
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 August 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 11 August 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 London Luton - JTR Thera Santorini

LTNJTR

London Luton

Mon 5/10

20:35-10:25

1 stop11h 50m

Thera Santorini

Sat 10/10

07:40-04:55

2 stops23h 15m

£139

LondonThera

LTN London Luton - JTR Thera Santorini

LTNJTR

London Luton

Tue 6/10

06:20-22:45

1 stop14h 25m

Thera Santorini

Sun 11/10

22:00-14:35

2 stops18h 35m

£147

LondonThera

LGW London Gatwick - JTR Thera Santorini

LGWJTR

London Gatwick

Sun 27/9

07:40-13:35

Nonstop3h 55m

Thera Santorini

Wed 30/9

23:20-01:20

Nonstop4h 00m

£150

LondonThera

LTN London Luton - JTR Thera Santorini

LTNJTR

London Luton

Mon 28/9

07:15-23:25

2 stops14h 10m

Thera Santorini

Wed 7/10

23:30-21:25

2 stops23h 55m

£153

LondonThera

LGW London Gatwick - JTR Thera Santorini

LGWJTR

London Gatwick

Mon 12/10

06:35-12:30

Nonstop3h 55m

Thera Santorini

Mon 19/10

13:15-15:25

Nonstop4h 10m

£158

LondonThera

LGW London Gatwick - JTR Thera Santorini

LGWJTR

London Gatwick

Mon 5/10

06:35-12:30

Nonstop3h 55m

Thera Santorini

Sat 10/10

11:30-19:15

1 stop9h 45m

£158

LondonThera

LGW London Gatwick - JTR Thera Santorini

LGWJTR

London Gatwick

Sun 30/8

06:10-18:35

1 stop10h 25m

Thera Santorini

Wed 2/9

23:20-01:20

Nonstop4h 00m

£168

LondonThera

LGW London Gatwick - JTR Thera Santorini

LGWJTR

London Gatwick

Wed 9/9

16:35-22:30

Nonstop3h 55m

Thera Santorini

Wed 16/9

23:20-01:20

Nonstop4h 00m

£172

LondonThera

LTN London Luton - JTR Thera Santorini

LTNJTR

London Luton

Thu 1/10

14:40-22:55

1 stop6h 15m

Thera Santorini

Sun 4/10

22:00-15:45

2 stops19h 45m

£176

LondonThera

LTN London Luton - JTR Thera Santorini

LTNJTR

London Luton

Sat 3/10

13:40-23:15

1 stop7h 35m

Thera Santorini

Sat 10/10

07:40-04:55

2 stops23h 15m

£178

Flights are sorted by cheapest return flights first.

Deals found on 8/8

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

What is the cheapest time of day to fly from LON to IO5?

Find hourly flight availability from London to Ios. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 August 2026.

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

How much does it cost for a return flight from London to Ios?

Airfare is below average for this route at the moment.
London to Ios flights typically cost between £187 and £345 in September.
The cheapest return price found within the last 5 days was £137 on Ryanair (30 Sept–7 Oct).

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 11 August 2026.
Check out reviews from past customers who have flown with Aegean Airlines,Ryanair, andeasyJet 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.
Aegean Airlines
8.2
Very Good
901 reviews
Check prices

Crew

8.7

Boarding

7.8

Food

7.4

Comfort

7.9

Overall

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Theodoros,Nov 2024

ATH - SKG

Excellent crew on board. No issues or silly conflicts during boarding.
Aegean Airlines
8.2
Very Good
901 reviews
Aegean Airlines
8.2
Very Good
901 reviews
Check prices

Crew

8.7

Boarding

7.8

Food

7.4

Comfort

7.9

Overall

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Theodoros,Nov 2024

ATH - SKG

Excellent crew on board. No issues or silly conflicts during boarding.
Ryanair
6.9
Okay
5,462 reviews
Aegean Airlines
8.2
Very Good
901 reviews
Check prices

Crew

8.7

Boarding

7.8

Food

7.4

Comfort

7.9

Overall

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Theodoros,Nov 2024

ATH - SKG

Excellent crew on board. No issues or silly conflicts during boarding.
easyJet
6.9
Okay
1,922 reviews
Aegean Airlines
8.2
Very Good
901 reviews
Check prices

Crew

8.7

Boarding

7.8

Food

7.4

Comfort

7.9

Overall

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Theodoros,Nov 2024

ATH - SKG

Excellent crew on board. No issues or silly conflicts during boarding.
British Airways
6.7
Okay
8,159 reviews
Aegean Airlines
8.2
Very Good
901 reviews
Check prices

Crew

8.7

Boarding

7.8

Food

7.4

Comfort

7.9

Overall

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Theodoros,Nov 2024

ATH - SKG

Excellent crew on board. No issues or silly conflicts during boarding.
Wizz Air
6.3
Okay
171 reviews
Aegean Airlines
8.2
Very Good
901 reviews
Check prices

Crew

8.7

Boarding

7.8

Food

7.4

Comfort

7.9

Overall

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Theodoros,Nov 2024

ATH - SKG

Excellent crew on board. No issues or silly conflicts during boarding.

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 easyJet, SWISS, and Ryanair fly from London to Ios in about 3h 45m. The time it takes to get you to your destination can typically vary by up to 8h 50m. There are 1631 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 (£44), and Sky Express (£76).

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

    Most travelers choose London Heathrow - Thera Santorini, London Gatwick - Thera Santorini or London Stansted - 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 £285 for a flight from London to Ios. The cheapest flight overall is £138 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 7 airlines flying from London to Ios

Discover the top 7 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 11 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£39Average£307FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£83Average£177FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£93Average£254FlexibilityNo cancel feeOn-time86%
Search easyJet flights
SWISSCheapest£162Average£220FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aegean AirlinesCheapest£181Average£351FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
LufthansaCheapest£216Average£339FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£227Average£369FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Ios?

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Why should you use Cheapflights to find cheap flight tickets from London to Ios?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ios from London.

Can Cheapflights find flights from London to Ios with no change fees?

Yes! Cheapflights helps users easily find flights from London to Ios with no change fees.

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Not ready to book yet? You can track prices for flights from London to Ios on Cheapflights with our Price Alert feature and get notified when better prices are available.

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