Find flights
When to book
FAQs

Cheap flights from Iaşi to London Heathrow Airport from £101

IAS — LHR
28 Oct — 4 Nov1
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

Tue 10/1114:40 -
1 stop7h 25m
Tue 17/1109:55 -
1 stop11h 45m
Deal found 26/9£159
Thu 19/1116:05 -
1 stop18h 15m
Wed 25/1106:00 -
1 stop7h 20m
Deal found 27/9£167
Thu 12/1116:05 -
1 stop18h 15m
Wed 18/1106:00 -
1 stop7h 20m
Deal found 26/9£168
Thu 5/1116:05 -
1 stop18h 15m
Wed 11/1106:00 -
1 stop7h 20m
Deal found 26/9£171
Mon 16/1123:30 -
1 stop16h 10m
Wed 25/1111:05 -
1 stop26h 25m
Deal found 23/9£173

Find flight deals from Iaşi to Heathrow

Round-trip from

£159

One-way from

£101

Popular in

August

Cheapest in

February

Average price

£187
10/11-17/11
  • 10/11-17/11
  • 2 total stops
  • 19h 10m total
  • Iaşi to London
Search Deals
16/11-31/12
  • 16/11-31/12
  • 2 total stops
  • 10h 35m total
  • Iaşi to London
Search Deals
Highest demand for flights based on searches. 40% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

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

Cheapest return flight

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Mon 16/11

08:30-17:30

1 stop11h 00m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£148
Fastest return journey

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Wed 7/10

05:20-08:20

1 stop5h 00m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£157

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Tue 10/11

14:40-20:05

1 stop7h 25m

London Heathrow

Tue 17/11

09:55-23:40

1 stop11h 45m

£159

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Thu 15/10

16:00-22:10

2 stops32h 10m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£161

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Thu 5/11

16:05-08:20

1 stop18h 15m

London Heathrow

Wed 11/11

06:00-15:20

1 stop7h 20m

£171

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Thu 12/11

16:05-08:20

1 stop18h 15m

London Heathrow

Wed 18/11

06:00-15:20

1 stop7h 20m

£171

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Thu 19/11

16:05-08:20

1 stop18h 15m

London Heathrow

Wed 25/11

06:00-15:20

1 stop7h 20m

£171

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Sat 31/10

05:25-17:00

2 stops13h 35m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£183

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Fri 6/11

16:05-08:20

1 stop18h 15m

London Heathrow

Thu 12/11

06:00-15:20

1 stop7h 20m

£185

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Sun 4/10

17:35-09:45

2 stops18h 10m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£190

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Showing 1-10 of 15 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 18h 15m. 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
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.