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Cheap flights from Iaşi to London Heathrow Airport from £74

IAS — LHR
13 Oct — 20 Oct1
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

Thu 8/1005:45 -
1 stop10h 30m
Wed 14/1009:55 -
2 stops12h 30m
Deal found 9/9£163
Tue 6/1016:00 -
1 stop4h 40m
Tue 13/1006:00 -
1 stop7h 20m
Deal found 8/9£167
Tue 6/1016:00 -
1 stop7h 40m
Wed 14/1006:00 -
1 stop7h 20m
Deal found 11/9£169
Thu 8/1016:00 -
1 stop7h 40m
Wed 14/1006:00 -
1 stop7h 20m
Deal found 12/9£170
Sat 10/1016:00 -
1 stop4h 40m
Sun 18/1006:00 -
1 stop17h 20m
Deal found 11/9£171
Sat 10/1016:00 -
1 stop4h 40m
Mon 19/1006:00 -
1 stop7h 20m
Deal found 8/9£174
Mon 12/1016:00 -
1 stop7h 40m
Sat 17/1019:30 -
1 stop17h 50m
Deal found 12/9£178
Fri 9/1005:20 -
1 stop5h 00m
Sat 17/1019:30 -
1 stop17h 50m
Deal found 8/9£180

Find flight deals from Iaşi to Heathrow

Round-trip from

£163

One-way from

£74

Popular in

August

Cheapest in

February

Average price

£183
8/10-14/10
  • 8/10-14/10
  • 3 total stops
  • 23h 00m total
  • Iaşi to London
Search Deals
7/10-31/12
  • 7/10-31/12
  • 2 total stops
  • 16h 10m total
  • Iaşi to London
Search Deals
Highest demand for flights based on searches. 40% potential increase in price (£65 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Thu 22/10

14:40-20:05

1 stop31h 25m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£121

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Wed 21/10

05:20-21:40

1 stop18h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£136
Fastest return journey

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Mon 5/10

05:20-08:20

1 stop5h 00m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£136

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Sat 17/10

16:00-21:40

1 stop7h 40m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£148

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Wed 21/10

05:20-18:25

2 stops15h 05m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£154

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Sat 19/9

06:00-20:05

2 stops16h 05m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£159

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Fri 18/9

13:20-20:05

2 stops32h 45m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£162

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Sat 10/10

16:00-18:40

1 stop4h 40m

London Heathrow

Sun 18/10

06:00-01:20

1 stop17h 20m

£171

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Thu 8/10

16:00-21:40

1 stop7h 40m

London Heathrow

Wed 14/10

06:00-15:20

1 stop7h 20m

£171

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Mon 12/10

19:00-09:20

3 stops16h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£171

Flights are sorted by cheapest return flights first.

Deals found on 8/9

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

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 4h 40m. 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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Hayes
Northampton
Croydon
Colchester
Eastbourne
Brentford
Enfield
Southend-on-Sea
Barnet
Salisbury
Watford
Southall
Swindon

Browse thousands of different options on Cheapflights for your next trip

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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.

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

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