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Cheap flights from London to Ios

LON — JTR
12 Nov — 19 Nov1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Ios are usually found in January or April, booked 75 days in advance, depart on a Wednesday or Sunday and return on a Friday

Find flight deals from London to Ios

Popular in

December

Cheapest in

January

Average price

£215
Highest demand for flights based on searches. 13% potential increase in price (£31 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£13 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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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?

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.

Reviews of airlines servicing Ios

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
8.1
Very Good
913 reviews
Check prices

Entertainment

6.9

Food

7.4

Overall

8.1

Comfort

7.9

Crew

8.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

David,Sept 2026

CHQ - ATH

Many issues, seat broken, tray tables broken, climate varied, divider not between business class and economy, passenger behind continually pushing and banging back of seat. Will be sending a complete account of issues
Aegean Airlines
8.1
Very Good
913 reviews
Aegean Airlines
8.1
Very Good
913 reviews
Check prices

Entertainment

6.9

Food

7.4

Overall

8.1

Comfort

7.9

Crew

8.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

David,Sept 2026

CHQ - ATH

Many issues, seat broken, tray tables broken, climate varied, divider not between business class and economy, passenger behind continually pushing and banging back of seat. Will be sending a complete account of issues
Ryanair
6.9
Okay
5,441 reviews
Aegean Airlines
8.1
Very Good
913 reviews
Check prices

Entertainment

6.9

Food

7.4

Overall

8.1

Comfort

7.9

Crew

8.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

David,Sept 2026

CHQ - ATH

Many issues, seat broken, tray tables broken, climate varied, divider not between business class and economy, passenger behind continually pushing and banging back of seat. Will be sending a complete account of issues
easyJet
6.9
Okay
1,924 reviews
Aegean Airlines
8.1
Very Good
913 reviews
Check prices

Entertainment

6.9

Food

7.4

Overall

8.1

Comfort

7.9

Crew

8.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

David,Sept 2026

CHQ - ATH

Many issues, seat broken, tray tables broken, climate varied, divider not between business class and economy, passenger behind continually pushing and banging back of seat. Will be sending a complete account of issues
British Airways
6.7
Okay
8,259 reviews
Aegean Airlines
8.1
Very Good
913 reviews
Check prices

Entertainment

6.9

Food

7.4

Overall

8.1

Comfort

7.9

Crew

8.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

David,Sept 2026

CHQ - ATH

Many issues, seat broken, tray tables broken, climate varied, divider not between business class and economy, passenger behind continually pushing and banging back of seat. Will be sending a complete account of issues
Wizz Air
6.2
Okay
174 reviews
Aegean Airlines
8.1
Very Good
913 reviews
Check prices

Entertainment

6.9

Food

7.4

Overall

8.1

Comfort

7.9

Crew

8.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

David,Sept 2026

CHQ - ATH

Many issues, seat broken, tray tables broken, climate varied, divider not between business class and economy, passenger behind continually pushing and banging back of seat. Will be sending a complete account of issues

Related info for your journey

  • 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 (£29), 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 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 £318 for a flight from London to Ios. The cheapest flight overall is £221 while the most popular route, (London Heathrow - Thera Santorini) is currently priced at £239.

  • 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

Top 7 airlines flying from London to Ios

AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£40Average£313FlexibilityNo cancel feeOn-timeN/A
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RyanairCheapest£85Average£206FlexibilityNo cancel feeOn-timeN/A
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easyJetCheapest£99Average£264FlexibilityNo cancel feeOn-time86%
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SWISSCheapest£166Average£227FlexibilityNo cancel feeOn-time79%
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Aegean AirlinesCheapest£184Average£359FlexibilityNo cancel feeOn-time87%
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LufthansaCheapest£221Average£346FlexibilityNo cancel feeOn-time76%
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British AirwaysCheapest£239Average£376FlexibilityNo cancel feeOn-time70%
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