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.

£75+ Flights from Iaşi to London Heathrow Airport

Cheap flight deals from Iaşi to Heathrow

Round-trip from	£139
One-way from	£75
Popular in	August
Cheapest in	March
Average price	£97

Austrian Airlines
23/1-27/1
2 total stops
40h 45m total
Iaşi to London

Search Deals

13/1
2 total stops
19h 45m total
Iaşi to London

Search Deals

Highest demand for flights based on searches. 36% potential increase in price (£57 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 November 2025

Search Deals

Find 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 19 November 2025.

Wed 17/1216:05IAS - LHR

1 stop18h 15mAustrian Airlines

Fri 26/1206:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 18/11£189

Thu 25/1216:05IAS - LHR

1 stop7h 35mAustrian Airlines

Wed 31/1206:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 18/11£195

Fri 5/1216:05IAS - LHR

2 stops8h 50mLufthansa

Mon 8/1206:30LHR - IAS

2 stops6h 50mLufthansa

Deal found 18/11£216

Thu 25/1216:05IAS - LHR

1 stop7h 35mMultiple Airlines

Wed 31/1206:30LHR - IAS

2 stops6h 50mMultiple Airlines

Deal found 18/11£241

Sun 7/1216:05IAS - LHR

1 stop18h 15mMultiple Airlines

Thu 11/1206:30LHR - IAS

2 stops6h 50mMultiple Airlines

Deal found 18/11£246

Wed 26/1116:05IAS - LHR

1 stop7h 35mMultiple Airlines

Wed 3/1220:15LHR - IAS

2 stops17h 05mMultiple Airlines

Deal found 18/11£267

Mon 22/1216:05IAS - LHR

1 stop18h 15mAustrian Airlines

Sun 4/106:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 17/11£272

Thu 4/1216:05IAS - LHR

2 stops8h 50mMultiple Airlines

Sun 7/1206:00LHR - IAS

1 stop7h 20mMultiple Airlines

Deal found 18/11£287

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 19 November 2025.

Wed 4/316:05IAS - LHR

1 stop24h 00mAustrian Airlines

Sat 7/319:25LHR - IAS

1 stop17h 55mAustrian Airlines

Deal found 19/11£142

Fri 16/116:05IAS - LHR

2 stops6h 55mMultiple Airlines

Mon 19/106:00LHR - IAS

1 stop7h 20mMultiple Airlines

Deal found 19/11£159

Wed 21/116:05IAS - LHR

2 stops8h 50mLufthansa

Sat 24/113:50LHR - IAS

2 stops23h 30mLufthansa

Deal found 18/11£173

Fri 16/116:05IAS - LHR

1 stop7h 35mAustrian Airlines

Mon 19/106:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 19/11£143

Sun 18/116:05IAS - LHR

1 stop18h 15mAustrian Airlines

Sat 24/114:50LHR - IAS

1 stop22h 30mAustrian Airlines

Deal found 18/11£143

Wed 4/316:05IAS - LHR

2 stops20h 20mMultiple Airlines

Sat 7/314:50LHR - IAS

1 stop22h 30mMultiple Airlines

Deal found 19/11£167

Wed 4/316:05IAS - LHR

2 stops8h 50mLufthansa

Sat 7/320:15LHR - IAS

2 stops17h 05mLufthansa

Deal found 18/11£181

Fri 16/116:05IAS - LHR

2 stops6h 55mLufthansa

Mon 19/106:30LHR - IAS

2 stops6h 50mLufthansa

Deal found 19/11£190

Wed 17/1216:05IAS - LHR

1 stop18h 15mAustrian Airlines

Fri 26/1206:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 18/11£189

Thu 26/221:45IAS - LHR

1 stop12h 20mMultiple Airlines

Sat 7/307:50LHR - IAS

1 stop11h 10mMultiple Airlines

Deal found 18/11£229

Fri 5/1216:05IAS - LHR

2 stops8h 50mLufthansa

Mon 8/1206:30LHR - IAS

2 stops6h 50mLufthansa

Deal found 18/11£216

Sat 4/416:00IAS - LHR

1 stop7h 40mAustrian Airlines

Sun 5/406:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 18/11£236

Last-minute flights from Iaşi to Heathrow
Discover last-minute flight deals from Iaşi to Heathrow. Data last updated 19 November 2025 and is based on user searches.

Wed 26/1116:05IAS - LHR

1 stop7h 35mMultiple Airlines

Wed 3/1220:15LHR - IAS

2 stops17h 05mMultiple Airlines

Deal found 18/11£267

Wed 26/1116:05IAS - LHR

2 stops8h 50mLufthansa

Wed 3/1220:15LHR - IAS

2 stops17h 05mLufthansa

Deal found 18/11£302

Wed 26/1116:05IAS - LHR

1 stop7h 35mAustrian Airlines

Wed 3/1206:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 18/11£414

Thu 27/1121:00IAS - LHR

2 stops14h 35mMultiple Airlines

Sat 6/1206:30LHR - IAS

2 stops10h 55mMultiple Airlines

Deal found 17/11£354

Fri 28/1109:25IAS - LHR

2 stops13h 25mMultiple Airlines

Mon 1/1219:20LHR - IAS

2 stops23h 10mMultiple Airlines

Deal found 17/11£371

Fri 28/1116:05IAS - LHR

1 stop7h 35mAustrian Airlines

Sun 30/1106:00LHR - IAS

1 stop7h 20mAustrian Airlines

Deal found 19/11£401

Fri 28/1116:05IAS - LHR

1 stop7h 35mMultiple Airlines

Sun 30/1106:30LHR - IAS

2 stops6h 50mMultiple Airlines

Deal found 19/11£451

Fri 28/1116:05IAS - LHR

2 stops8h 50mLufthansa

Sun 30/1106:30LHR - IAS

2 stops6h 50mLufthansa

Deal found 19/11£501

Sat 29/1114:10IAS - LHR

2 stops19h 30mKLM

Wed 3/1210:00LHR - IAS

2 stops21h 00mKLM

Deal found 17/11£347

Sat 29/1105:25IAS - LHR

2 stops28h 15mMultiple Airlines

Thu 11/1219:30LHR - IAS

2 stops17h 50mMultiple Airlines

Deal found 18/11£556

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 19 November 2025.

Tue 13/115:25IAS - LHR

2 stops19h 45mMultiple Airlines

Deal found 18/11£75

Wed 14/109:25IAS - LHR

1 stop26h 25mMultiple Airlines

Deal found 18/11£78

Sat 13/1211:55IAS - LHR

1 stop9h 55mMultiple Airlines

Deal found 17/11£87

Mon 12/113:55IAS - LHR

1 stop7h 30mMultiple Airlines

Deal found 19/11£94

Sat 10/105:00IAS - LHR

3 stops30h 10mMultiple Airlines

Deal found 17/11£103

Mon 22/1223:35IAS - LHR

1 stop10h 30mMultiple Airlines

Deal found 17/11£110

Mon 12/116:05IAS - LHR

1 stop7h 35mAustrian Airlines

Deal found 19/11£113

Wed 26/1115:20IAS - LHR

1 stop28h 40mMultiple Airlines

Deal found 17/11£115

Mon 24/1119:55IAS - LHR

1 stop22h 05mMultiple Airlines

Deal found 18/11£120

Fri 8/516:00IAS - LHR

1 stop7h 40mAustrian Airlines

Deal found 18/11£131

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

Wed 4/3

16:05-14:05

1 stop24h 00m

London Heathrow

Sat 7/3

19:25-15:20

1 stop17h 55m

£142

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 16/1

16:05-21:40

1 stop7h 35m

London Heathrow

Mon 19/1

06:00-15:20

1 stop7h 20m

£143

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sun 18/1

16:05-08:20

1 stop18h 15m

London Heathrow

Sat 24/1

14:50-15:20

1 stop22h 30m

£143

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 16/1

16:05-21:00

2 stops6h 55m

London Heathrow

Mon 19/1

06:00-15:20

1 stop7h 20m

£159

IaşiLondon

IAS - LHR

IASLHR

Iasi

Wed 4/3

16:05-10:25

2 stops20h 20m

London Heathrow

Sat 7/3

14:50-15:20

1 stop22h 30m

£167

IaşiLondon

IAS - LHR

IASLHR

Iasi

Wed 21/1

16:05-22:55

2 stops8h 50m

London Heathrow

Sat 24/1

13:50-15:20

2 stops23h 30m

£173

IaşiLondon

IAS - LHR

IASLHR

Iasi

Wed 4/3

16:05-22:55

2 stops8h 50m

London Heathrow

Sat 7/3

20:15-15:20

2 stops17h 05m

£181

IaşiLondon

IAS - LHR

IASLHR

Iasi

Wed 17/12

16:05-08:20

1 stop18h 15m

London Heathrow

Fri 26/12

06:00-15:20

1 stop7h 20m

£189

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 16/1

16:05-21:00

2 stops6h 55m

London Heathrow

Mon 19/1

06:30-15:20

2 stops6h 50m

£190

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 5/12

16:05-22:55

2 stops8h 50m

London Heathrow

Mon 8/12

06:30-15:20

2 stops6h 50m

£216

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 23 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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Crawley

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Romford

Chichester

Ipswich

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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 £75

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Iaşi to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 19 November 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 19 November 2025.

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

See prices for flight routes from nearby airports that may be better suited for you.

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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 19 November 2025.