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Cheap flights from Iaşi to London Heathrow Airport from £70

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAS — LHR
11 Mar — 18 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 9 February 2026.

Mon 23/216:05
IAS
-
LHR
1 stop7h 35m
Austrian Airlines
Mon 2/306:00
LHR
-
IAS
1 stop7h 20m
Austrian Airlines
Deal found 6/2£137
Thu 5/316:05
IAS
-
LHR
1 stop7h 35m
Austrian Airlines
Wed 11/306:00
LHR
-
IAS
1 stop7h 20m
Austrian Airlines
Deal found 7/2£140
Mon 23/216:05
IAS
-
LHR
2 stops8h 50m
Multiple Airlines
Mon 2/306:00
LHR
-
IAS
1 stop7h 20m
Multiple Airlines
Deal found 6/2£153
Fri 6/316:05
IAS
-
LHR
1 stop18h 15m
Austrian Airlines
Thu 12/319:25
LHR
-
IAS
1 stop17h 55m
Austrian Airlines
Deal found 8/2£155
Thu 5/316:05
IAS
-
LHR
2 stops8h 50m
Multiple Airlines
Sun 15/306:00
LHR
-
IAS
1 stop7h 20m
Multiple Airlines
Deal found 8/2£156
Mon 23/316:05
IAS
-
LHR
1 stop7h 35m
Multiple Airlines
Mon 30/320:25
LHR
-
IAS
2 stops16h 55m
Multiple Airlines
Deal found 6/2£159
Thu 5/316:05
IAS
-
LHR
1 stop7h 35m
Multiple Airlines
Sun 8/319:15
LHR
-
IAS
2 stops18h 05m
Multiple Airlines
Deal found 8/2£162
Mon 23/316:05
IAS
-
LHR
1 stop7h 35m
Austrian Airlines
Mon 30/319:30
LHR
-
IAS
1 stop17h 50m
Austrian Airlines
Deal found 6/2£167
Thu 5/316:05
IAS
-
LHR
2 stops8h 50m
Lufthansa
Wed 11/316:40
LHR
-
IAS
2 stops20h 40m
Lufthansa
Deal found 6/2£170

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 9 February 2026.

Round-trip from

£137

One-way from

£70

Popular in

August

Cheapest in

February

Average price

£62
Austrian Airlines
  • Austrian Airlines
  • 23/2-2/3
  • 2 total stops
  • 14h 55m total
  • Iaşi to London
Search Deals
9/3
  • 9/3
  • 1 total stop
  • 17h 15m total
  • Iaşi to London
Search Deals
Highest demand for flights based on searches. 37% potential increase in price (£54 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 9 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

Mon 23/2

16:05-21:40

1 stop7h 35m

London Heathrow

Mon 2/3

06:00-15:20

1 stop7h 20m

£137

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sun 8/3

16:05-21:40

1 stop7h 35m

London Heathrow

Sun 15/3

06:00-15:20

1 stop7h 20m

£140

IaşiLondon

IAS - LHR

IASLHR

Iasi

Wed 18/3

16:05-21:40

1 stop7h 35m

London Heathrow

Wed 25/3

06:00-15:20

1 stop7h 20m

£140

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 5/3

16:05-21:40

1 stop7h 35m

London Heathrow

Sun 15/3

06:00-15:20

1 stop7h 20m

£140

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 6/3

16:05-14:05

1 stop24h 00m

London Heathrow

Thu 12/3

19:25-15:20

1 stop17h 55m

£155

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 5/3

16:05-22:55

2 stops8h 50m

London Heathrow

Sun 15/3

06:00-15:20

1 stop7h 20m

£156

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 23/3

16:05-21:40

1 stop7h 35m

London Heathrow

Mon 30/3

20:25-15:20

2 stops16h 55m

£159

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 5/3

16:05-21:40

1 stop7h 35m

London Heathrow

Sun 8/3

19:15-15:20

2 stops18h 05m

£162

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 23/3

16:05-21:40

1 stop7h 35m

London Heathrow

Mon 30/3

19:30-15:20

1 stop17h 50m

£167

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 5/3

16:05-22:55

2 stops8h 50m

London Heathrow

Wed 11/3

16:40-15:20

2 stops20h 40m

£170

Flights are sorted by cheapest return flights first.

Deals found on 7/2

Showing 1-10 of 19 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
Croydon
Luton
Northampton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Swindon
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames

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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?

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