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Cheap flights from Iaşi to London Heathrow Airport from £78

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAS — LHR
30 Mar — 6 Apr1
1 adult

Cheap flight deals from Iaşi to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Iaşi (IAS) to Heathrow (LHR). 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 25 March 2025.

Round-trip from

£155

One-way from

£78

Popular in

July

Cheapest in

March

Average price

£73
Austrian Airlines
  • Austrian Airlines
  • 16/5-18/5
  • 2 total stops
  • 22h 20m total
  • Iaşi to London
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5/4
  • 5/4
  • 1 total stop
  • 10h 30m total
  • Iaşi to London
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (£51 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Find flight deals from Iaşi to Heathrow

Cheapest flights from Iaşi to Heathrow
Explore the most affordable flight options available from Iaşi to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Fri 16/505:20IAS - LHR
1 stop5h 00mAustrian Airlines
Sun 18/506:00LHR - IAS
1 stop17h 20mAustrian Airlines
Deal found 24/3£155
Fri 16/505:20IAS - LHR
1 stop5h 25mMultiple Airlines
Tue 20/515:30LHR - IAS
2 stops7h 50mMultiple Airlines
Deal found 25/3£185
Fri 16/505:20IAS - LHR
2 stops12h 20mLufthansa
Tue 27/506:55LHR - IAS
2 stops16h 25mLufthansa
Deal found 25/3£209
Thu 8/509:15IAS - LHR
2 stops10h 20mKLM
Fri 16/506:30LHR - IAS
2 stops15h 00mKLM
Deal found 25/3£462
Fri 28/305:25IAS - LHR
2 stops10h 20mAir France
Fri 28/319:35LHR - IAS
2 stops25h 55mAir France
Deal found 25/3£742

Cheapflights Fare Finder

Customise your flight search to find flights from Iaşi to Heathrow 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 25 March 2025.
Use the filters below to find and compare flights from Iaşi to London Heathrow Airport that are best for you.

Fly from

Iaşi

Fly to

Heathrow

Route

Depart

Return

Price

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 16/5

05:20-08:20

1 stop5h 00m

London Heathrow

Sun 18/5

06:00-01:20

1 stop17h 20m

£155

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 16/5

05:20-08:45

1 stop5h 25m

London Heathrow

Tue 20/5

15:30-01:20

2 stops7h 50m

£185

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 16/5

05:20-15:40

2 stops12h 20m

London Heathrow

Tue 27/5

06:55-01:20

2 stops16h 25m

£209

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 8/5

09:15-17:35

2 stops10h 20m

London Heathrow

Fri 16/5

06:30-23:30

2 stops15h 00m

£462

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sat 5/4

05:45-14:15

1 stop10h 30m

£78

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 2/6

05:20-08:20

1 stop5h 00m

£131

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 2/6

16:00-22:10

2 stops8h 10m

£184

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Best time to book a flight from Iaşi to Heathrow

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

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

Find hourly flight availability from Iaşi to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

One of the essential ways to save on airfare from Iaşi to London Heathrow Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 6% on airfare.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 25 March 2025.
Read reviews from past customers who have flown KLM, Austrian Airlines and Lufthansa from Iaşi to London. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

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
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

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
7.5
Good
769 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

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
6,949 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

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 Iaşi to Heathrow. 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 from for flights from Iaşi to London Heathrow?

    If you book a flight to London Heathrow from Iaşi, you will be flying from 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 Iasi to London Heathrow per day from 0 different airlines.

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

    Flying on Austrian Airlines is currently your cheapest option to London Heathrow Airport, with prices starting at £155. Additional return tickets that might be worth considering are offered by Lufthansa and KLM, with the lowest prices starting at £209 and £462, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Iaşi to London Heathrow Airport (average of £112). Flying from Iaşi to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near Iaşi?

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Can Cheapflights notify me if prices for flights from Iaşi to Heathrow become cheaper?

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