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Cheap flights from Iaşi to London Heathrow Airport from £80

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAS — LHR
29 Jun — 6 Jul1
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 30 May 2026.

Sat 6/616:00
IAS
-
LHR
1 stop7h 40m
Austrian Airlines
Sun 7/606:00
LHR
-
IAS
1 stop17h 20m
Austrian Airlines
Deal found 26/5£211
Thu 4/616:00
IAS
-
LHR
1 stop18h 20m
Austrian Airlines
Thu 11/606:00
LHR
-
IAS
1 stop17h 20m
Austrian Airlines
Deal found 26/5£213
Thu 4/616:00
IAS
-
LHR
1 stop21h 25m
Austrian Airlines
Tue 9/609:05
LHR
-
IAS
1 stop14h 15m
Austrian Airlines
Deal found 28/5£218
Thu 4/616:00
IAS
-
LHR
1 stop7h 40m
Austrian Airlines
Sun 7/606:00
LHR
-
IAS
1 stop17h 20m
Austrian Airlines
Deal found 28/5£220
Wed 3/605:45
IAS
-
LHR
1 stop10h 30m
Multiple Airlines
Tue 9/615:00
LHR
-
IAS
1 stop17h 30m
Multiple Airlines
Deal found 29/5£222
Thu 18/616:00
IAS
-
LHR
1 stop18h 20m
Austrian Airlines
Wed 24/606:00
LHR
-
IAS
1 stop7h 20m
Austrian Airlines
Deal found 29/5£222
Thu 18/620:50
IAS
-
LHR
1 stop22h 15m
Multiple Airlines
Wed 24/606:50
LHR
-
IAS
1 stop11h 10m
Multiple Airlines
Deal found 27/5£224
Sat 6/616:00
IAS
-
LHR
1 stop21h 25m
Austrian Airlines
Sat 13/619:30
LHR
-
IAS
1 stop17h 50m
Austrian Airlines
Deal found 26/5£228
Thu 18/620:50
IAS
-
LHR
1 stop26h 45m
Multiple Airlines
Thu 25/606:50
LHR
-
IAS
1 stop11h 35m
Multiple Airlines
Deal found 26/5£228
Thu 4/616:00
IAS
-
LHR
1 stop7h 40m
Multiple Airlines
Thu 11/609:00
LHR
-
IAS
2 stops14h 20m
Multiple Airlines
Deal found 26/5£229

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 30 May 2026.

Round-trip from

£222

One-way from

£80

Popular in

August

Cheapest in

February

Average price

£112
Austrian Airlines
  • Austrian Airlines
  • 18/6-24/6
  • 2 total stops
  • 25h 40m total
  • Iaşi to London
Search Deals
25/6
  • 25/6
  • 1 total stop
  • 10h 30m total
  • Iaşi to London
Search Deals
Highest demand for flights based on searches. 37% potential increase in price (£56 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 May 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 30 May 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

Thu 18/6

20:50-17:05

1 stop22h 15m

London Heathrow

Wed 24/6

06:50-20:00

1 stop11h 10m

£224
Fastest return journey

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sat 13/6

16:00-21:40

1 stop7h 40m

London Heathrow

Mon 22/6

06:00-15:20

1 stop7h 20m

£281

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 18/6

14:25-17:35

2 stops29h 10m

London Heathrow

Wed 24/6

20:55-22:10

2 stops23h 15m

£287

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 12/6

07:50-07:40

2 stops25h 50m

London Heathrow

Tue 16/6

20:55-19:30

2 stops20h 35m

£292

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sat 13/6

16:00-17:40

2 stops27h 40m

London Heathrow

Mon 22/6

20:25-01:20

2 stops26h 55m

£296

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 18/6

16:00-22:10

2 stops8h 10m

London Heathrow

Mon 22/6

07:30-01:20

2 stops39h 50m

£349

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 11/6

16:00-08:20

1 stop18h 20m

London Heathrow

Wed 17/6

19:30-15:20

1 stop17h 50m

£350
Cheapest one-way

IaşiLondon

IAS - LHR

IASLHR

Iasi

Wed 24/6

19:00-09:10

2 stops16h 10m

£84

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 25/6

14:40-09:10

1 stop20h 30m

£115

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 14/9

05:45-12:55

2 stops9h 10m

£138

Flights are sorted by cheapest return flights first.

Deals found on 28/5

Showing 1-10 of 14 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 KLM can get you from Iaşi to London Heathrow Airport in just under 7h 40m. Your travel time can differ by up to 21h 30m. 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
Northampton
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Swindon
Romford
Guildford
Borehamwood

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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?

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.

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