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Cheap flights from London Heathrow Airport to Iaşi from £104

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAS
15 Apr — 22 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Iasi are usually found in January or June, booked 15 days in advance, depart on a Wednesday or Sunday and return on a Wednesday

Cheap flight deals from Heathrow to Iaşi

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 10 April 2025.

Round-trip from

£151

One-way from

£104

Popular in

December

Cheapest in

January

Average price

£224
Austrian Airlines
  • Austrian Airlines
  • 29/4-2/5
  • 2 total stops
  • 26h 20m total
  • London to Iaşi
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13/8
  • 13/8
  • 1 total stop
  • 16h 45m total
  • London to Iaşi
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Heathrow to Iaşi

Cheapest flights from Heathrow to Iaşi
Explore the most affordable flight options available from Heathrow to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 April 2025.

Tue 29/406:00LHR - IAS
1 stop17h 20mAustrian Airlines
Fri 2/516:00IAS - LHR
1 stop18h 20mAustrian Airlines
Deal found 9/4£151
Tue 6/507:25LHR - IAS
2 stops15h 55mMultiple Airlines
Thu 22/516:00IAS - LHR
1 stop7h 40mMultiple Airlines
Deal found 9/4£186
Mon 12/520:25LHR - IAS
2 stops26h 55mLufthansa
Wed 21/505:20IAS - LHR
2 stops17h 25mLufthansa
Deal found 9/4£213
Mon 2/614:45LHR - IAS
2 stops16h 05mKLM
Wed 11/609:15IAS - LHR
2 stops13h 40mKLM
Deal found 10/4£288

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow 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 10 April 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Iaşi that are best for you.

Fly from

Heathrow

Fly to

Iaşi

Route

Depart

Return

Price

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 29/4

06:00-01:20

1 stop17h 20m

Iasi

Fri 2/5

16:00-08:20

1 stop18h 20m

£151

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 6/5

07:25-01:20

2 stops15h 55m

Iasi

Thu 22/5

16:00-21:40

1 stop7h 40m

£186

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 12/5

20:25-01:20

2 stops26h 55m

Iasi

Wed 21/5

05:20-20:45

2 stops17h 25m

£213

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 2/6

14:45-08:50

2 stops16h 05m

Iasi

Wed 11/6

09:15-20:55

2 stops13h 40m

£288

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Wed 13/8

15:05-09:50

1 stop16h 45m

£104

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Thu 8/5

09:05-01:20

1 stop14h 15m

£115

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Thu 8/5

06:55-01:20

2 stops16h 25m

£137

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Wed 13/8

14:45-08:50

2 stops16h 05m

£235

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 21/7

19:45-19:25

2 stops21h 40m

£341

Flights are sorted by cheapest return flights first.

Deals found on 9/4

Best time to book a flight from Heathrow to Iaşi

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

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Iaşi. Price data was last updated on 4 April 2025.

The price you pay for your flight from London Heathrow Airport to Iaşi may vary depending on when you book. For the best chance of a lower fare, look to book 14 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 Heathrow Airport to Iaşi?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Iaşi (average of £69). Flying from London Heathrow Airport 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 LHR to IAS?

Find hourly flight availability from Heathrow 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 10 April 2025.

One of the essential ways to save on airfare from London Heathrow Airport 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 50% on airfare.

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 10 April 2025.
To help decide which airline to fly from London to Iaşi, see what other customers have to say about KLM, Austrian Airlines and Air France. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

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
1,321 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

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
774 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

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.
Air France
7.4
Good
1,428 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

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.
Lufthansa
6.7
Okay
6,984 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

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 Heathrow 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 Heathrow?

    If you book a flight to Iaşi from London Heathrow, you will be flying to Iasi, which is the city’s only airport. Iasi (IAS) is located 1.3 mi from the center of Iaşi. There are 0 flights from London Heathrow to Iasi per day from 3 different airlines.

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

    Currently priced at £151, Austrian Airlines will fly you from London Heathrow Airport to Iaşi and back. In addition to Austrian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and KLM - these airlines can fly you to your destination from £213 and £288, respectively. Users have found that Austrian Airlines is 42% cheaper than the other options available to this destination.

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

    £115 is the cheapest one-way deal found within the past few days, from Austrian Airlines. You may also be able to find cheap deals on Lufthansa and KLM, with prices starting from £137 and £235, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Iaşi?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Iaşi (average of £69). Flying from London Heathrow Airport 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

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Top 3 airlines flying from Heathrow to Iaşi

Discover the top 3 airlines that operate flights from Heathrow 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 10 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£77Average£217FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Austrian AirlinesCheapest£147Average£328FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
TAROMCheapest£283Average£360FlexibilityNo cancel feeOn-time86%
Search TAROM flights

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

When you search for this flight from Heathrow to Iaşi, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Can Cheapflights find flights from Heathrow to Iaşi with no change fees?

Need flexible booking options for your flight to Iaşi from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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