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Cheap flights from Iaşi to London Heathrow Airport from £71

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAS — LHR
23 Mar — 30 Mar1
1 adult
1 adult, Economy, 0 bags

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 21 February 2026.

Mon 9/316:05
IAS
-
LHR
1 stop7h 35m
Austrian Airlines
Fri 13/306:00
LHR
-
IAS
1 stop7h 20m
Austrian Airlines
Deal found 20/2£140
Thu 5/316:05
IAS
-
LHR
1 stop7h 35m
Austrian Airlines
Wed 11/306:00
LHR
-
IAS
1 stop7h 20m
Austrian Airlines
Deal found 17/2£141
Mon 9/316:05
IAS
-
LHR
2 stops6h 55m
Multiple Airlines
Fri 13/306:00
LHR
-
IAS
1 stop7h 20m
Multiple Airlines
Deal found 20/2£157
Thu 19/316:05
IAS
-
LHR
1 stop7h 35m
Austrian Airlines
Mon 23/306:00
LHR
-
IAS
1 stop7h 20m
Austrian Airlines
Deal found 17/2£157
Thu 5/316:05
IAS
-
LHR
2 stops6h 55m
Multiple Airlines
Wed 11/306:00
LHR
-
IAS
1 stop7h 20m
Multiple Airlines
Deal found 17/2£158
Sun 12/416:00
IAS
-
LHR
1 stop18h 20m
Austrian Airlines
Tue 21/406:00
LHR
-
IAS
1 stop17h 20m
Austrian Airlines
Deal found 20/2£166
Thu 5/316:05
IAS
-
LHR
2 stops8h 50m
Lufthansa
Wed 11/311:10
LHR
-
IAS
2 stops26h 10m
Lufthansa
Deal found 18/2£172
Sun 5/416:00
IAS
-
LHR
1 stop18h 20m
Austrian Airlines
Sun 12/406:00
LHR
-
IAS
1 stop17h 20m
Austrian Airlines
Deal found 19/2£174
Mon 9/316:05
IAS
-
LHR
2 stops6h 55m
Lufthansa
Wed 18/320:15
LHR
-
IAS
2 stops17h 05m
Lufthansa
Deal found 18/2£180

Find 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 21 February 2026.

Round-trip from

£140

One-way from

£71

Popular in

August

Cheapest in

February

Average price

£64
Austrian Airlines
  • Austrian Airlines
  • 9/3-13/3
  • 2 total stops
  • 14h 55m total
  • Iaşi to London
Search Deals
25/3
  • 25/3
  • 1 total stop
  • 10h 40m total
  • Iaşi to London
Search Deals
Highest demand for flights based on searches. 37% 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 February 2026
Search Deals

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 21 February 2026.
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

Sun 8/3

16:05-08:20

1 stop18h 15m

London Heathrow

Mon 16/3

06:00-15:20

1 stop7h 20m

£156

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 5/3

16:05-14:05

1 stop24h 00m

London Heathrow

Wed 11/3

06:00-15:20

1 stop7h 20m

£156

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 9/3

16:05-22:55

2 stops8h 50m

London Heathrow

Wed 18/3

06:00-15:20

1 stop7h 20m

£157

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 19/3

16:05-21:40

1 stop7h 35m

London Heathrow

Mon 23/3

06:00-15:20

1 stop7h 20m

£157

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 5/3

16:05-21:00

2 stops6h 55m

London Heathrow

Wed 11/3

06:00-15:20

1 stop7h 20m

£158

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 5/3

16:05-21:00

2 stops6h 55m

London Heathrow

Wed 11/3

11:10-15:20

2 stops26h 10m

£172

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sun 5/4

16:00-08:20

1 stop18h 20m

London Heathrow

Sun 12/4

06:00-01:20

1 stop17h 20m

£174

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 9/3

16:05-21:00

2 stops6h 55m

London Heathrow

Wed 18/3

20:15-15:20

2 stops17h 05m

£180

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 6/4

05:20-08:20

1 stop5h 00m

London Heathrow

Mon 13/4

06:00-15:20

1 stop7h 20m

£189

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sun 8/3

16:05-15:50

2 stops25h 45m

London Heathrow

Mon 16/3

19:15-15:20

2 stops42h 05m

£192

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 16 results
1
2

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.

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.

  • 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 7h 35m. 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

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

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