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Cheap flights from Iaşi to London Heathrow Airport from £92

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAS — LHR
11 Aug — 18 Aug1
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 12 July 2026.

Thu 15/1016:00
IAS
-
LHR
1 stop7h 40m
Austrian Airlines
Wed 21/1006:00
LHR
-
IAS
1 stop7h 20m
Austrian Airlines
Deal found 12/7£192
Sat 1/816:00
IAS
-
LHR
1 stop7h 40m
Austrian Airlines
Sun 30/806:00
LHR
-
IAS
1 stop17h 20m
Austrian Airlines
Deal found 12/7£193
Tue 4/816:00
IAS
-
LHR
1 stop18h 20m
Austrian Airlines
Mon 24/806:00
LHR
-
IAS
1 stop7h 20m
Austrian Airlines
Deal found 7/7£198
Mon 3/805:20
IAS
-
LHR
1 stop5h 00m
Austrian Airlines
Tue 11/806:00
LHR
-
IAS
1 stop17h 20m
Austrian Airlines
Deal found 9/7£208
Mon 3/805:20
IAS
-
LHR
1 stop5h 00m
Austrian Airlines
Wed 19/806:00
LHR
-
IAS
1 stop7h 20m
Austrian Airlines
Deal found 9/7£209
Fri 7/805:20
IAS
-
LHR
1 stop5h 00m
Austrian Airlines
Fri 14/806:00
LHR
-
IAS
1 stop7h 20m
Austrian Airlines
Deal found 10/7£211
Mon 10/816:00
IAS
-
LHR
1 stop18h 20m
Austrian Airlines
Tue 18/806:00
LHR
-
IAS
1 stop17h 20m
Austrian Airlines
Deal found 11/7£212
Sat 1/816:00
IAS
-
LHR
1 stop7h 40m
Multiple Airlines
Sun 30/809:00
LHR
-
IAS
2 stops14h 20m
Multiple Airlines
Deal found 12/7£213
Tue 4/816:00
IAS
-
LHR
2 stops8h 40m
Multiple Airlines
Mon 24/806:00
LHR
-
IAS
1 stop7h 20m
Multiple Airlines
Deal found 7/7£218
Mon 3/805:20
IAS
-
LHR
2 stops13h 20m
Multiple Airlines
Wed 19/806:00
LHR
-
IAS
1 stop7h 20m
Multiple Airlines
Deal found 9/7£219

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 12 July 2026.

Round-trip from

£192

One-way from

£92

Popular in

August

Cheapest in

February

Average price

£225
Austrian Airlines
  • Austrian Airlines
  • 15/10-21/10
  • 2 total stops
  • 15h 00m total
  • Iaşi to London
Search Deals
5/8
  • 5/8
  • 2 total stops
  • 16h 10m total
  • Iaşi to London
Search Deals
Highest demand for flights based on searches. 39% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 12 July 2026.
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

Cheapest return flight

IaşiLondon

IAS - LHR

IASLHR

Iasi

Tue 4/8

16:00-08:20

1 stop18h 20m

London Heathrow

Mon 24/8

06:00-15:20

1 stop7h 20m

£198

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 10/8

16:00-08:20

1 stop18h 20m

London Heathrow

Tue 18/8

06:00-15:20

1 stop7h 20m

£212

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 3/8

05:20-21:40

1 stop18h 20m

London Heathrow

Wed 12/8

06:00-15:20

1 stop7h 20m

£212

IaşiLondon

IAS - LHR

IASLHR

Iasi

Tue 4/8

16:00-20:45

2 stops6h 45m

London Heathrow

Mon 24/8

20:25-15:20

2 stops16h 55m

£233

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 3/8

05:20-19:40

2 stops16h 20m

London Heathrow

Tue 11/8

09:30-01:20

2 stops13h 50m

£246
Fastest return journey

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 13/8

16:00-20:40

2 stops6h 40m

London Heathrow

Sat 22/8

06:00-15:20

1 stop7h 20m

£252

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 3/8

05:20-18:40

2 stops15h 20m

London Heathrow

Wed 12/8

06:30-15:20

2 stops6h 50m

£252

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 10/8

05:20-22:10

2 stops18h 50m

London Heathrow

Wed 19/8

13:35-15:20

2 stops23h 45m

£255

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 13/8

16:00-12:40

2 stops22h 40m

London Heathrow

Wed 19/8

16:25-15:20

2 stops20h 55m

£255

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 13/8

16:00-20:40

2 stops6h 40m

London Heathrow

Sat 22/8

20:25-15:20

2 stops16h 55m

£260

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 19 resultsSorted by cheapest first
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 and Lufthansa can get you from Iaşi to London Heathrow Airport in just under 6h 45m. Your travel time can differ by up to 11h 35m. Airlines will cover a distance of 1289 mi. This flight may include one or multiple stops.

  • 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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Croydon
Ilford
Hayes
Brentford
Colchester
Northampton
Watford
Kingston upon Thames
Eastbourne
Swindon
Poole
Southall
Aylesbury
Romford

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

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

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