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Cheap flights from London Heathrow Airport to Iaşi from £112

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAS
16 Dec — 23 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Heathrow to Iaşi

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Iaşi
Explore the most affordable flight options available from Heathrow to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 November 2025.

Thu 11/1206:30LHR - IAS
2 stops6h 50mMultiple Airlines
Fri 12/1216:05IAS - LHR
1 stop18h 15mMultiple Airlines
Deal found 15/11£207
Thu 11/1206:00LHR - IAS
1 stop7h 20mAustrian Airlines
Fri 12/1216:05IAS - LHR
1 stop7h 35mAustrian Airlines
Deal found 15/11£225
Thu 11/1206:30LHR - IAS
2 stops6h 50mLufthansa
Fri 12/1216:05IAS - LHR
2 stops8h 50mLufthansa
Deal found 15/11£226
Thu 25/1219:25LHR - IAS
1 stop17h 55mAustrian Airlines
Sun 25/116:05IAS - LHR
1 stop7h 35mAustrian Airlines
Deal found 15/11£227
Sat 29/1113:30LHR - IAS
2 stops23h 50mLufthansa
Fri 5/1216:05IAS - LHR
2 stops8h 50mLufthansa
Deal found 14/11£235
Thu 20/1106:00LHR - IAS
1 stop7h 20mAustrian Airlines
Wed 26/1116:05IAS - LHR
1 stop7h 35mAustrian Airlines
Deal found 16/11£259
Sat 15/1116:40LHR - IAS
2 stops44h 40mLufthansa
Sun 23/1116:05IAS - LHR
2 stops29h 30mLufthansa
Deal found 14/11£272
Thu 25/1219:15LHR - IAS
2 stops18h 05mLufthansa
Sun 25/116:05IAS - LHR
2 stops8h 50mLufthansa
Deal found 15/11£274
Sun 30/1106:30LHR - IAS
2 stops6h 50mLufthansa
Thu 4/1216:05IAS - LHR
2 stops8h 50mLufthansa
Deal found 14/11£285
Thu 20/1106:00LHR - IAS
1 stop7h 20mMultiple Airlines
Wed 26/1116:05IAS - LHR
2 stops22h 55mMultiple Airlines
Deal found 16/11£285
Mon 29/1219:15LHR - IAS
2 stops42h 05mMultiple Airlines
Mon 5/116:05IAS - LHR
1 stop18h 15mMultiple Airlines
Deal found 14/11£294
Sat 29/1119:25LHR - IAS
1 stop17h 55mAustrian Airlines
Fri 5/1216:05IAS - LHR
1 stop24h 00mAustrian Airlines
Deal found 14/11£298

Cheap flight deals from Heathrow to Iaşi

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Iaşi (IAS). 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 16 November 2025.

Round-trip from

£139

One-way from

£112

Popular in

May

Cheapest in

January

Average price

£237
Austrian Airlines
  • Austrian Airlines
  • 23/1-26/1
  • 2 total stops
  • 31h 20m total
  • London to Iaşi
Search Deals
6/12
  • 6/12
  • 2 total stops
  • 13h 55m total
  • London to Iaşi
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Iaşi 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 16 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Iaşi that are best for you.

Fly from

Heathrow

Fly to

Iaşi

Route

Depart

Return

Price

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Fri 23/1

06:00-15:20

1 stop7h 20m

Iasi

Mon 26/1

16:05-14:05

1 stop24h 00m

£139

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 14/3

19:25-15:20

1 stop17h 55m

Iasi

Mon 16/3

16:05-14:05

1 stop24h 00m

£147

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sun 11/1

06:00-15:20

1 stop7h 20m

Iasi

Mon 19/1

16:05-21:40

1 stop7h 35m

£148

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 3/1

19:25-15:20

1 stop17h 55m

Iasi

Mon 12/1

16:05-21:40

1 stop7h 35m

£164

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 14/3

08:45-15:20

2 stops28h 35m

Iasi

Mon 16/3

16:05-22:55

2 stops8h 50m

£189

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 10/1

07:40-15:20

2 stops29h 40m

Iasi

Mon 19/1

16:05-18:35

2 stops28h 30m

£190

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Wed 4/3

06:00-15:20

1 stop7h 20m

Iasi

Tue 31/3

16:00-18:40

1 stop4h 40m

£196

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 2/3

06:00-15:20

1 stop7h 20m

Iasi

Wed 1/4

05:20-08:20

1 stop5h 00m

£196

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 6/12

20:50-12:45

2 stops13h 55m

£112

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 25/11

19:25-15:20

1 stop17h 55m

£116

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 18 results
1
2

Best time to book a flight from Heathrow to Iaşi

Have a flexible travel schedule? Discover the best time to fly to Iaşi from Heathrow 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.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Iaşi

What is the cheapest month to book a flight from London Heathrow Airport to Iaşi?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Iaşi (average of £64). Flying from London Heathrow Airport to Iaşi in July is currently the most expensive (average of £282). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to IAS?

Find hourly flight availability from Heathrow to Iaşi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 November 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Iaşi is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 49% on airfare.

Reviews of airlines servicing Iaşi

Get insights into the airlines that provide service to Iaşi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Iaşi. Reviews last updated 16 November 2025.
Read reviews from past customers who have flown with Austrian Airlines and Wizz Air from London Heathrow Airport to Iaşi. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
873 reviews
Check prices

Entertainment

6.8

Crew

8.1

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andra,Aug 2025

LHR - LAX

Flight was very good, few minutes delayed, but good flight. We both are satisfied, thank you!
Austrian Airlines
7.6
Good
873 reviews
Austrian Airlines
7.6
Good
873 reviews
Check prices

Entertainment

6.8

Crew

8.1

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andra,Aug 2025

LHR - LAX

Flight was very good, few minutes delayed, but good flight. We both are satisfied, thank you!
Wizz Air
6.8
Okay
391 reviews
Austrian Airlines
7.6
Good
873 reviews
Check prices

Entertainment

6.8

Crew

8.1

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andra,Aug 2025

LHR - LAX

Flight was very good, few minutes delayed, but good flight. We both are satisfied, thank you!

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Iaşi. 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 into for flights to Iaşi from London Heathrow?

    If you book a flight to Iaşi from London Heathrow, you will be flying to 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 London Heathrow to Iasi per day from 2 different airlines.

  • How long is the flight from London Heathrow Airport to Iaşi?

    Airlines like Austrian Airlines fly from London Heathrow Airport to Iaşi in about 7h 20m. The time it takes to get you to your destination can typically vary by up to . London Heathrow Airport and Iaşi are separated by a distance of 1289 mi.

  • What are the cheapest airlines flying from London Heathrow Airport to Iaşi round-trip?

    Currently priced at £84, Wizz Air will fly you from London Heathrow Airport to Iaşi and back. In addition to Wizz Air, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Austrian Airlines for as low as £171. Users have found that Wizz Air is 66% cheaper than the other options available to this destination.

  • Can I find deals for flights from Heathrow to Iaşi that include hotel bookings?

    Yes. In addition to deals on Heathrow to Iaşi flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Iaşi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Iaşi.

  • Can I find deals for business class flights from Heathrow to Iaşi?

    Yes. Cheapflights offers flight deals from Heathrow to Iaşi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Iaşi?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Iaşi (average of £64). Flying from London Heathrow Airport to Iaşi in July is currently the most expensive (average of £282). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Heathrow to Iaşi

Discover the top 2 airlines that operate flights from Heathrow to Iaşi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£84Average£174FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Austrian AirlinesCheapest£171Average£305FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Iaşi?

When you search for this flight from Heathrow to Iaşi, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Iaşi for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Iaşi from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Iaşi become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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