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Cheap flights from London to Iaşi from £27

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAS
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Iasi are usually found in January or November, booked 74 days in advance, depart on a Thursday or Monday and return on a Sunday

Cheap flight deals from London to Iaşi

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Iaşi (IAS). 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 17 November 2025.

Round-trip from

£68

One-way from

£27

Popular in

December

Cheapest in

January

Average price

£71

Good round-trip deal

£111 or less

Good one-way deal

£58 or less
Wizz Air
  • Wizz Air
  • 10/1-19/1
  • 2 total stops
  • 22h 50m total
  • London to Iaşi
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Wizz Air
  • Wizz Air
  • 18/1
  • Nonstop
  • 3h 15m total
  • London to Iaşi
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Highest demand for flights based on searches. 1% potential increase in price (£2 potential increase over avg. return price).
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Cheapest flight prices on average. 13% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from London (LON) to Iasi.
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Price to beat on a one-way flight from London (LON) to Iasi.
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Find flight deals from London to Iaşi

Enter your travel dates to find the best prices.

Cheapest flights from London to Iaşi
Explore the most affordable flight options available from London to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 November 2025.

Sat 6/1222:10STN - IAS
1 stop12h 35mMultiple Airlines
Sat 13/1206:00IAS - STN
1 stop11h 05mMultiple Airlines
Deal found 16/11£75
Tue 25/1121:05LTN - IAS
Nonstop3h 15mWizz Air
Tue 2/1218:50IAS - LTN
Nonstop3h 35mWizz Air
Deal found 15/11£83
Sat 6/1222:10STN - IAS
1 stop11h 15mMultiple Airlines
Sat 20/1219:25IAS - STN
1 stop13h 35mMultiple Airlines
Deal found 15/11£89
Sun 7/1209:35LTN - IAS
1 stop12h 45mMultiple Airlines
Sat 13/1206:55IAS - LTN
Nonstop3h 35mMultiple Airlines
Deal found 16/11£100
Sun 30/1106:55LTN - IAS
1 stop10h 05mMultiple Airlines
Wed 3/1218:50IAS - LTN
Nonstop3h 35mMultiple Airlines
Deal found 17/11£108
Sat 6/1222:10STN - IAS
1 stop12h 35mRyanair
Sat 13/1210:30IAS - STN
2 stops13h 15mRyanair
Deal found 16/11£109
Sun 7/1209:10LTN - IAS
Nonstop3h 15mWizz Air
Sat 13/1206:55IAS - LTN
Nonstop3h 35mWizz Air
Deal found 16/11£109
Sun 7/1217:55STN - IAS
2 stops24h 35mMultiple Airlines
Sat 13/1206:00IAS - STN
1 stop11h 05mMultiple Airlines
Deal found 16/11£109
Sat 6/1205:25LTN - IAS
2 stops29h 20mMultiple Airlines
Sat 13/1206:55IAS - LTN
Nonstop3h 35mMultiple Airlines
Deal found 16/11£113
Thu 11/1207:50STN - IAS
1 stop15h 45mMultiple Airlines
Fri 12/1218:05IAS - STN
1 stop7h 40mMultiple Airlines
Deal found 15/11£116
Sat 6/1222:10STN - IAS
1 stop12h 35mMultiple Airlines
Sat 10/107:45IAS - STN
1 stop11h 45mMultiple Airlines
Deal found 15/11£119
Thu 20/1109:10LTN - IAS
Nonstop3h 15mWizz Air
Wed 26/1118:50IAS - LTN
Nonstop3h 35mWizz Air
Deal found 16/11£128

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Iaşi 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 17 November 2025.
Use the filters below to find and compare flights from London to Iaşi that are best for you.

Fly from

London

Fly to

Iaşi

Route

Depart

Return

Price

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sun 11/1

09:35-00:20

1 stop12h 45m

Iasi

Tue 20/1

06:55-08:30

Nonstop3h 35m

£68

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sun 11/1

20:50-11:25

1 stop12h 35m

Iasi

Tue 20/1

06:55-08:30

Nonstop3h 35m

£70

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Thu 29/1

09:00-21:20

1 stop10h 20m

Iasi

Sat 31/1

06:55-08:30

Nonstop3h 35m

£87

LondonIaşi

STN - IAS

STNIAS

London Stansted

Sat 6/12

22:10-11:25

1 stop11h 15m

Iasi

Sat 20/12

19:25-07:00

1 stop13h 35m

£89

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Mon 2/2

09:50-23:55

2 stops12h 05m

Iasi

Thu 5/2

06:55-08:30

Nonstop3h 35m

£96

LondonIaşi

STN - IAS

STNIAS

London Stansted

Sun 11/1

08:30-01:35

1 stop15h 05m

Iasi

Tue 20/1

11:55-19:35

1 stop9h 40m

£97

LondonIaşi

STN - IAS

STNIAS

London Stansted

Thu 8/1

18:05-11:25

1 stop15h 20m

Iasi

Tue 13/1

20:20-11:25

1 stop17h 05m

£99

LondonIaşi

STN - IAS

STNIAS

London Stansted

Sat 10/1

18:00-11:25

1 stop15h 25m

Iasi

Mon 19/1

06:00-21:55

2 stops17h 55m

£106

LondonIaşi

STN - IAS

STNIAS

London Stansted

Sun 1/2

11:45-00:20

1 stop10h 35m

Iasi

Thu 5/2

10:20-20:05

1 stop11h 45m

£107

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sun 30/11

06:55-19:00

1 stop10h 05m

Iasi

Wed 3/12

18:50-20:25

Nonstop3h 35m

£108

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 60 results
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Best time to book a flight from London to Iaşi

Have a flexible travel schedule? Discover the best time to fly to Iaşi 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 Iaşi

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

Use this chart to determine the optimal time to book a return flight from London to Iaşi. Price data was last updated on 14 November 2025.

The price you pay for your flight from London to Iaşi may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London to Iaşi?

Currently, March is the cheapest month in which you can book a flight from London to Iaşi (average of £22). Flying from London to Iaşi in August is currently the most expensive (average of £143). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from London to Iaşi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 November 2025.

One of the essential ways to save on airfare from London to Iaşi is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 31% on airfare.

What is the cheapest day to fly from London to Iaşi?

Use this chart to determine the cheapest time to fly return from London to Iaşi. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Iaşi flight should consider departing on Thursday at midday when fares are most often at their lowest. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Iaşi

Explore weekly flight availability from London to Iaşi. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 November 2025.

The most flights from LON to IAS are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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

Reviews of airlines servicing Iaşi

Get insights into the airlines that provide service to Iaşi. 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 Iaşi. Reviews last updated 17 November 2025.
Read through reviews of airlines operating flights from London to Iaşi, such as Austrian Airlines, Wizz Air, andWizz Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
873 reviews
Check prices

Food

6.8

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
873 reviews
Austrian Airlines
7.6
Good
873 reviews
Check prices

Food

6.8

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Wizz Air
6.8
Okay
391 reviews
Austrian Airlines
7.6
Good
873 reviews
Check prices

Food

6.8

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Wizz Air
6.8
Okay
1,062 reviews
Austrian Airlines
7.6
Good
873 reviews
Check prices

Food

6.8

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Related info for your journey

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

    Located just 1.3 mi from the city center, Iasi is the airport most travelers will use when flying to Iaşi from London. Booking flights from London to Iasi (IAS) should be relatively easy as there are 2 daily inbound flights from London from 3 different airlines.

  • How long is the flight from London to Iaşi?

    For as low as £70, Wizz Air can have you in Iaşi from London in 12h 35m. Airlines will cover a distance of 1287 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Iaşi round-trip?

    Currently priced at £25, Wizz Air will fly you from London to Iaşi and back. In addition to Wizz Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Wizz Air and Austrian Airlines - these airlines can fly you to your destination from £58 and £171, respectively. Wizz Air is priced at 84% lower than the current average price of a flight leaving 3 months from now.

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

    While some choose either London Heathrow - Iasi or London Gatwick - Iasi, London Luton - Iasi is the most popular route from London to Iaşi.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from London to Iaşi?

    Currently, March is the cheapest month in which you can book a flight from London to Iaşi (average of £22). Flying from London to Iaşi in August is currently the most expensive (average of £143). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to Iaşi on these airlines

Choose from the following airlines for your flight from London to Iaşi. Flights are based on user searches made on Cheapflights and were last updated on 17 November 2025.
Wizz Air flights from London to Iasi
Wizz Air flights from London to Iasi

Top 3 airlines flying from London to Iaşi

Discover the top 3 airlines that operate flights from London to Iaşi. 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 17 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£25Average£127FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Wizz AirCheapest£58Average£176FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Austrian AirlinesCheapest£171Average£305FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find London to Iaşi 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 London to Iaşi?

Cheapflights helps you find that perfect flight to Iaşi from London 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 London to Iaşi with no change fees?

Yes, we can. To see specific flights from London to Iaşi 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 London to Iaşi become cheaper?

Yes, Cheapflights offers price alerts on London to Iaşi flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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