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Cheap flights from London to Iaşi from £39

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAS
23 Apr — 30 Apr1
1 adult

Cheapflights Tip: The best prices from London to Iasi are usually found in January or March, booked 33 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 18 April 2025.

Round-trip from

£80

One-way from

£39

Popular in

December

Cheapest in

January

Average price

£206

Good round-trip deal

£126 or less

Good one-way deal

£56 or less
12/5-21/5
  • 12/5-21/5
  • 1 total stop
  • 25h 15m total
  • London to Iaşi
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Wizz Air
  • Wizz Air
  • 1/5
  • Nonstop
  • 3h 15m total
  • London to Iaşi
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Highest demand for flights based on searches. 5% potential increase in price (£7 potential increase over avg. return price).
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Cheapest flight prices on average. 14% potential price decrease (£17 potential savings vs. average return price).
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Average for round-trip flights in April 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

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 18 April 2025.

Mon 12/520:50LTN - IAS
Nonstop3h 15mMultiple Airlines
Wed 21/519:05IAS - LTN
1 stop22h 00mMultiple Airlines
Deal found 17/4£80
Sat 7/620:50LTN - IAS
Nonstop3h 15mWizz Air
Mon 9/606:10IAS - LTN
Nonstop3h 20mWizz Air
Deal found 17/4£85
Mon 12/521:50STN - IAS
1 stop9h 55mRyanair
Tue 20/510:10IAS - STN
1 stop13h 00mRyanair
Deal found 17/4£91
Mon 19/507:20STN - IAS
1 stop9h 20mMultiple Airlines
Wed 21/505:10IAS - STN
1 stop15h 30mMultiple Airlines
Deal found 17/4£104
Mon 12/520:20LGW - IAS
1 stop13h 00mWizz Air
Wed 21/512:15IAS - LGW
1 stop10h 25mWizz Air
Deal found 17/4£105
Mon 12/520:20LGW - IAS
1 stop11h 25mMultiple Airlines
Tue 20/510:10IAS - LGW
1 stop11h 30mMultiple Airlines
Deal found 17/4£106
Sun 5/1006:00LHR - IAS
1 stop17h 20mAustrian Airlines
Fri 17/1005:20IAS - LHR
1 stop5h 00mAustrian Airlines
Deal found 17/4£151
Mon 12/520:45LHR - IAS
1 stop11h 05mMultiple Airlines
Wed 21/520:55IAS - LHR
1 stop22h 10mMultiple Airlines
Deal found 17/4£178
Mon 12/520:25LHR - IAS
2 stops26h 55mLufthansa
Wed 21/505:20IAS - LHR
2 stops15h 05mLufthansa
Deal found 17/4£214
Mon 19/519:10LCY - IAS
2 stops28h 10mMultiple Airlines
Wed 21/505:20IAS - LCY
2 stops13h 05mMultiple Airlines
Deal found 17/4£296
Mon 12/519:10LCY - IAS
2 stops28h 10mLufthansa
Tue 20/516:00IAS - LCY
2 stops26h 25mLufthansa
Deal found 17/4£322
Tue 6/517:10LCY - IAS
2 stops13h 40mKLM
Thu 22/509:15IAS - LCY
2 stops10h 05mKLM
Deal found 17/4£328

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 18 April 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

Mon 12/5

20:50-02:05

Nonstop3h 15m

Iasi

Wed 21/5

19:05-15:05

1 stop22h 00m

£80

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sat 7/6

20:50-02:05

Nonstop3h 15m

Iasi

Mon 9/6

06:10-07:30

Nonstop3h 20m

£85

LondonIaşi

STN - IAS

STNIAS

London Stansted

Mon 12/5

21:50-09:45

1 stop9h 55m

Iasi

Tue 20/5

10:10-21:10

1 stop13h 00m

£91

LondonIaşi

STN - IAS

STNIAS

London Stansted

Mon 19/5

07:20-18:40

1 stop9h 20m

Iasi

Wed 21/5

05:10-18:40

1 stop15h 30m

£104

LondonIaşi

LGW - IAS

LGWIAS

London Gatwick

Mon 12/5

20:20-11:20

1 stop13h 00m

Iasi

Wed 21/5

12:15-20:40

1 stop10h 25m

£105

LondonIaşi

LGW - IAS

LGWIAS

London Gatwick

Mon 12/5

20:20-09:45

1 stop11h 25m

Iasi

Tue 20/5

10:10-19:40

1 stop11h 30m

£106

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 6/5

10:25-01:20

1 stop12h 55m

Iasi

Thu 22/5

16:00-08:20

1 stop18h 20m

£160

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 12/5

20:45-09:50

1 stop11h 05m

Iasi

Wed 21/5

20:55-17:05

1 stop22h 10m

£178

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 12/5

20:25-01:20

2 stops26h 55m

Iasi

Wed 21/5

05:20-18:25

2 stops15h 05m

£214

LondonIaşi

LCY - IAS

LCYIAS

London City

Mon 19/5

19:10-01:20

2 stops28h 10m

Iasi

Wed 21/5

05:20-16:25

2 stops13h 05m

£296

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 29 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 11 April 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 33 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, January is the cheapest month in which you can book a flight from London to Iaşi (average of £69). Flying from London to Iaşi in December is currently the most expensive (average of £359). 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 18 April 2025.

One of the essential ways to save on airfare from London to Iaşi is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 42% 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 28 April 2024.

Travellers seeking maximum savings on their London to Iaşi flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday 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 18 April 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).

Rainfall in Iaşi by month

Plan your trip to Iaşi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Iaşi ranges from 20.0 - 70.0 inches per month. June is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Iaşi when rainfall is around 20.0 mm.

Temperature in Iaşi by month

Plan your trip to Iaşi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Iaşi, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -4.0 C).

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 18 April 2025.
Get a feel of what it's like to fly with KLM, EL AL and Austrian Airlines from London to Iaşi by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,329 reviews
Check prices

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,329 reviews
KLM
7.8
Good
1,329 reviews
Check prices

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
EL AL
7.8
Good
525 reviews
KLM
7.8
Good
1,329 reviews
Check prices

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
775 reviews
KLM
7.8
Good
1,329 reviews
Check prices

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Ryanair
6.8
Okay
5,039 reviews
KLM
7.8
Good
1,329 reviews
Check prices

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Wizz Air
6.8
Okay
356 reviews
KLM
7.8
Good
1,329 reviews
Check prices

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 4 different airlines.

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

    Currently priced at £85, 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 Ryanair and Austrian Airlines - these airlines can fly you to your destination from £91 and £160, respectively. Wizz Air is priced at 52% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Wizz Air, with whom users have recently found tickets for as low as £39. However, be on the lookout for offers from Ryanair and Austrian Airlines, as they are both options that can get you from London to Iaşi for a low price.

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

    While some choose either London Luton - Iasi or London Gatwick - Iasi, London Heathrow - 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, January is the cheapest month in which you can book a flight from London to Iaşi (average of £69). Flying from London to Iaşi in December is currently the most expensive (average of £359). 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 18 April 2025.
Wizz Air flights from London to Iasi
Wizz Air flights from London to Iasi

Top 4 airlines flying from London to Iaşi

Discover the top 4 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 18 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£25Average£127FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Wizz AirCheapest£57Average£194FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Austrian AirlinesCheapest£142Average£314FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
TAROMCheapest£273Average£348FlexibilityNo cancel feeOn-time86%
Search TAROM 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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