How long is the flight from Iaşi to London Heathrow Airport?

Austrian Airlines can get you from Iaşi to London Heathrow Airport in just under 24h. Your travel time can differ by up to . Airlines will cover a distance of 1289 mi.

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.

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).

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.

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.

£87+ Flights from Iaşi to London Heathrow Airport

Cheap flight deals from Iaşi to Heathrow

Enter your travel dates to find the best prices.

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 12 December 2025.

Thu 25/1216:05IAS - LHR

1 stop7h 35mAustrian Airlines

Wed 31/1206:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 11/12£187

Thu 25/1216:05IAS - LHR

1 stop7h 35mAustrian Airlines

Thu 1/119:25LHR - IAS

1 stop17h 55mAustrian Airlines

Deal found 10/12£193

Thu 25/1216:05IAS - LHR

2 stops8h 50mMultiple Airlines

Wed 31/1206:00LHR - IAS

1 stop7h 20mMultiple Airlines

Deal found 11/12£214

Thu 25/1216:05IAS - LHR

2 stops8h 50mLufthansa

Thu 1/117:50LHR - IAS

2 stops19h 30mLufthansa

Deal found 10/12£232

Thu 25/1216:05IAS - LHR

2 stops8h 50mLufthansa

Wed 31/1206:30LHR - IAS

2 stops6h 50mLufthansa

Deal found 11/12£242

Mon 22/1216:05IAS - LHR

1 stop18h 15mAustrian Airlines

Mon 5/106:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 11/12£245

Fri 26/1216:05IAS - LHR

1 stop7h 35mAustrian Airlines

Thu 1/119:25LHR - IAS

1 stop17h 55mAustrian Airlines

Deal found 11/12£246

Fri 19/1216:05IAS - LHR

2 stops6h 55mMultiple Airlines

Thu 1/119:25LHR - IAS

1 stop17h 55mMultiple Airlines

Deal found 11/12£246

Fri 19/1216:05IAS - LHR

2 stops8h 50mMultiple Airlines

Sun 4/106:00LHR - IAS

1 stop7h 20mMultiple Airlines

Deal found 11/12£261

Best flights from Iaşi to Heathrow
Discover carefully curated flight deals from Iaşi to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Sun 25/116:05IAS - LHR

1 stop24h 00mAustrian Airlines

Sun 1/213:55LHR - IAS

1 stop23h 25mAustrian Airlines

Deal found 11/12£139

Fri 27/216:05IAS - LHR

2 stops8h 50mMultiple Airlines

Sat 7/319:25LHR - IAS

1 stop17h 55mMultiple Airlines

Deal found 11/12£153

Fri 23/116:05IAS - LHR

2 stops6h 55mLufthansa

Thu 29/120:15LHR - IAS

2 stops17h 05mLufthansa

Deal found 10/12£178

Fri 27/216:05IAS - LHR

1 stop7h 35mAustrian Airlines

Sat 7/319:25LHR - IAS

1 stop17h 55mAustrian Airlines

Deal found 11/12£140

Fri 27/216:05IAS - LHR

1 stop7h 35mAustrian Airlines

Fri 6/306:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 11/12£142

Sun 25/116:05IAS - LHR

2 stops20h 20mMultiple Airlines

Sun 1/213:55LHR - IAS

1 stop23h 25mMultiple Airlines

Deal found 11/12£157

Sun 25/116:05IAS - LHR

2 stops18h 00mLufthansa

Sun 1/220:15LHR - IAS

2 stops17h 05mLufthansa

Deal found 11/12£187

Wed 20/505:20IAS - LHR

1 stop8h 05mMultiple Airlines

Sun 24/509:30LHR - IAS

2 stops13h 50mMultiple Airlines

Deal found 10/12£192

Thu 25/1216:05IAS - LHR

1 stop7h 35mAustrian Airlines

Thu 1/119:25LHR - IAS

1 stop17h 55mAustrian Airlines

Deal found 10/12£193

Fri 29/516:00IAS - LHR

2 stops8h 10mMultiple Airlines

Tue 2/606:00LHR - IAS

1 stop7h 20mMultiple Airlines

Deal found 10/12£196

Thu 21/516:00IAS - LHR

1 stop7h 40mAustrian Airlines

Mon 25/506:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 10/12£195

Wed 20/516:00IAS - LHR

1 stop7h 40mAustrian Airlines

Sun 24/506:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 10/12£211

Last-minute flights from Iaşi to Heathrow
Discover last-minute flight deals from Iaşi to Heathrow. Data last updated 12 December 2025 and is based on user searches.

Thu 25/1216:05IAS - LHR

1 stop7h 35mAustrian Airlines

Wed 31/1206:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 11/12£187

Thu 25/1216:05IAS - LHR

1 stop7h 35mAustrian Airlines

Thu 1/119:25LHR - IAS

1 stop17h 55mAustrian Airlines

Deal found 10/12£193

Mon 12/116:05IAS - LHR

1 stop7h 35mAustrian Airlines

Mon 19/106:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 11/12£139

Mon 12/116:05IAS - LHR

2 stops6h 55mMultiple Airlines

Mon 19/106:00LHR - IAS

1 stop7h 20mMultiple Airlines

Deal found 11/12£156

Thu 22/105:25IAS - LHR

1 stop14h 40mMultiple Airlines

Wed 28/115:30LHR - IAS

1 stop27h 50mMultiple Airlines

Deal found 10/12£170

Fri 23/116:05IAS - LHR

2 stops6h 55mLufthansa

Thu 29/120:15LHR - IAS

2 stops17h 05mLufthansa

Deal found 10/12£178

Sun 25/116:05IAS - LHR

1 stop7h 35mAustrian Airlines

Sun 1/219:25LHR - IAS

1 stop17h 55mAustrian Airlines

Deal found 11/12£140

Sun 25/116:05IAS - LHR

2 stops20h 20mMultiple Airlines

Sun 1/213:55LHR - IAS

1 stop23h 25mMultiple Airlines

Deal found 11/12£157

Sun 25/116:05IAS - LHR

2 stops18h 00mLufthansa

Sun 1/220:15LHR - IAS

2 stops17h 05mLufthansa

Deal found 11/12£187

Wed 28/116:05IAS - LHR

1 stop7h 35mAustrian Airlines

Sat 31/119:25LHR - IAS

1 stop17h 55mAustrian Airlines

Deal found 11/12£140

One-way flights from Iaşi to Heathrow
Search for one-way flight options from Iaşi to Heathrow. Find affordable one-way fares based on user searches. Data last updated 12 December 2025.

Wed 14/121:00IAS - LHR

1 stop27h 30mMultiple Airlines

Deal found 11/12£87

Thu 12/206:20IAS - LHR

1 stop12h 45mMultiple Airlines

Deal found 11/12£93

Sun 25/116:05IAS - LHR

1 stop7h 35mAustrian Airlines

Deal found 11/12£112

Mon 12/116:05IAS - LHR

1 stop7h 35mAustrian Airlines

Deal found 10/12£113

Sun 11/121:00IAS - LHR

2 stops19h 25mMultiple Airlines

Deal found 11/12£128

Thu 15/109:25IAS - LHR

2 stops9h 35mKLM

Deal found 11/12£129

Fri 16/109:25IAS - LHR

2 stops11h 50mKLM

Deal found 11/12£143

Mon 29/1211:05IAS - LHR

2 stops9h 25mMultiple Airlines

Deal found 10/12£169

Find flight deals from Iaşi to Heathrow

Round-trip from	£138
One-way from	£87
Popular in	August
Cheapest in	March
Average price	£106

Austrian Airlines
13/2-21/2
2 total stops
25h 30m total
Iaşi to London

Search Deals

14/1
1 total stop
27h 30m total
Iaşi to London

Search Deals

Highest demand for flights based on searches. 36% potential increase in price (£55 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Iaşi to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sun 25/1

16:05-14:05

1 stop24h 00m

London Heathrow

Sun 1/2

13:55-15:20

1 stop23h 25m

£139

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 27/2

16:05-21:40

1 stop7h 35m

London Heathrow

Sat 7/3

19:25-15:20

1 stop17h 55m

£140

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 27/2

16:05-21:40

1 stop7h 35m

London Heathrow

Fri 6/3

06:00-15:20

1 stop7h 20m

£142

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 27/2

16:05-22:55

2 stops8h 50m

London Heathrow

Sat 7/3

19:25-15:20

1 stop17h 55m

£153

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sun 25/1

16:05-10:25

2 stops20h 20m

London Heathrow

Sun 1/2

13:55-15:20

1 stop23h 25m

£157

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 23/1

16:05-21:00

2 stops6h 55m

London Heathrow

Thu 29/1

20:15-15:20

2 stops17h 05m

£178

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sun 25/1

16:05-08:05

2 stops18h 00m

London Heathrow

Sun 1/2

20:15-15:20

2 stops17h 05m

£187

IaşiLondon

IAS - LHR

IASLHR

Iasi

Wed 20/5

05:20-11:25

1 stop8h 05m

London Heathrow

Sun 24/5

09:30-01:20

2 stops13h 50m

£192

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 25/12

16:05-21:40

1 stop7h 35m

London Heathrow

Thu 1/1

19:25-15:20

1 stop17h 55m

£193

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 21/5

16:00-21:40

1 stop7h 40m

London Heathrow

Mon 25/5

06:00-15:20

1 stop7h 20m

£195

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 20 results

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?

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 evening could potentially save you up to 69% on airfare.

Related info for your journey

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.
How long is the flight from Iaşi to London Heathrow Airport?
Austrian Airlines can get you from Iaşi to London Heathrow Airport in just under 24h. Your travel time can differ by up to . Airlines will cover a distance of 1289 mi.
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.

See more FAQs

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

Deals for Iaşi to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Iaşi to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Iaşi.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Iaşi to Heathrow flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from Iaşi to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Iaşi to London Heathrow Airport from £87

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Iaşi to Heathrow

Cheapest flights from Iaşi to HeathrowExplore 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 12 December 2025.

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 12 December 2025.

Find flight deals from Iaşi to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Iaşi to London Heathrow Airport that are best for you.

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.

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?

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?

How long is the flight from Iaşi to London Heathrow Airport?

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

How can I find direct flights from Iaşi to Heathrow?

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Iaşi to Heathrow

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

Why should you use Cheapflights to find cheap flight tickets from Iaşi to Heathrow?

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

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

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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 12 December 2025.