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Cheap flights from London Heathrow Airport to Iaşi from £76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Iaşi departing on 15/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from London Heathrow Airport to Iaşi

Cheap return flights

Enter your travel dates to find the best prices.
Austrian Airlines Logo
06:00 - 01:20
LHR
-
IAS
17h 20m
1 stop
Austrian Airlines Logo
16:00 - 18:40
IAS
-
LHR
4h 40m
1 stop
£124Austrian Airlines
Thu, 30 Apr - Thu, 7 May
Austrian Airlines Logo
06:00 - 01:20
LHR
-
IAS
17h 20m
1 stop
Austrian Airlines Logo
05:20 - 08:20
IAS
-
LHR
5h 00m
1 stop
£135Austrian Airlines
Thu, 7 May - Mon, 11 May
Austrian Airlines Logo
06:00 - 01:20
LHR
-
IAS
17h 20m
1 stop
Austrian Airlines Logo
16:00 - 21:40
IAS
-
LHR
7h 40m
1 stop
£137Austrian Airlines
Tue, 21 Apr - Wed, 29 Apr
Austrian Airlines Logo
06:00 - 01:20
LHR
-
IAS
17h 20m
1 stop
Austrian Airlines Logo
16:00 - 18:40
IAS
-
LHR
4h 40m
1 stop
£141Austrian Airlines
Thu, 30 Apr - Thu, 7 May
Multiple Airlines Logo
09:00 - 01:20
LHR
-
IAS
14h 20m
2 stops
Multiple Airlines Logo
16:00 - 21:40
IAS
-
LHR
7h 40m
1 stop
£144Multiple Airlines
Thu, 30 Apr - Thu, 7 May
Austrian Airlines Logo
06:00 - 15:20
LHR
-
IAS
7h 20m
1 stop
Austrian Airlines Logo
05:20 - 08:20
IAS
-
LHR
5h 00m
1 stop
£147Austrian Airlines
Wed, 22 Apr - Wed, 29 Apr
Austrian Airlines Logo
09:05 - 01:20
LHR
-
IAS
14h 15m
1 stop
Austrian Airlines Logo
05:20 - 08:20
IAS
-
LHR
5h 00m
1 stop
£149Austrian Airlines
Tue, 21 Apr - Wed, 29 Apr
Multiple Airlines Logo
13:35 - 01:20
LHR
-
IAS
9h 45m
2 stops
Multiple Airlines Logo
16:00 - 21:40
IAS
-
LHR
7h 40m
1 stop
£153Multiple Airlines
Tue, 21 Apr - Wed, 29 Apr
Multiple Airlines Logo
13:35 - 01:20
LHR
-
IAS
9h 45m
2 stops
Multiple Airlines Logo
05:20 - 08:20
IAS
-
LHR
5h 00m
1 stop
£157Multiple Airlines
Tue, 21 Apr - Wed, 29 Apr
Austrian Airlines Logo
09:05 - 01:20
LHR
-
IAS
14h 15m
1 stop
Austrian Airlines Logo
16:00 - 08:20
IAS
-
LHR
18h 20m
1 stop
£160Austrian Airlines
Tue, 28 Apr - Sun, 3 May

Austrian Airlines flights from London Heathrow Airport to Iaşi

Our best Austrian Airlines deals on London Heathrow Airport to Iaşi flight tickets
Austrian Airlines
30 Apr
LHR06:00London Heathrow
17h 20m
1 stop
IAS01:20Iasi
7 May
IAS16:00Iasi
4h 40m
1 stop
LHR18:40London Heathrow
£124
Austrian Airlines
7 May
LHR06:00London Heathrow
17h 20m
1 stop
IAS01:20Iasi
11 May
IAS05:20Iasi
5h 00m
1 stop
LHR08:20London Heathrow
£135
Austrian Airlines
21 Apr
LHR06:00London Heathrow
17h 20m
1 stop
IAS01:20Iasi
29 Apr
IAS16:00Iasi
7h 40m
1 stop
LHR21:40London Heathrow
£137

Lufthansa flights from London Heathrow Airport to Iaşi

Our best Lufthansa deals on London Heathrow Airport to Iaşi flight tickets
Lufthansa
30 Apr
LHR09:00London Heathrow
14h 20m
2 stops
IAS01:20Iasi
7 May
IAS16:00Iasi
8h 10m
2 stops
LHR22:10London Heathrow
£164
Lufthansa
21 Apr
LHR13:35London Heathrow
9h 45m
2 stops
IAS01:20Iasi
29 Apr
IAS05:20Iasi
12h 20m
2 stops
LHR15:40London Heathrow
£167
Lufthansa
21 Apr
LHR13:35London Heathrow
9h 45m
2 stops
IAS01:20Iasi
29 Apr
IAS05:20Iasi
9h 20m
2 stops
LHR12:40London Heathrow
£179

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 11 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Iaşi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Thu 30/4

06:00-01:20

1 stop17h 20m

Iasi

Thu 7/5

16:00-18:40

1 stop4h 40m

£124

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Thu 7/5

06:00-01:20

1 stop17h 20m

Iasi

Mon 11/5

05:20-08:20

1 stop5h 00m

£135

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 21/4

06:00-01:20

1 stop17h 20m

Iasi

Wed 29/4

16:00-21:40

1 stop7h 40m

£137

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Thu 30/4

06:00-01:20

1 stop17h 20m

Iasi

Thu 7/5

16:00-18:40

1 stop4h 40m

£141

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Thu 30/4

09:00-01:20

2 stops14h 20m

Iasi

Thu 7/5

16:00-21:40

1 stop7h 40m

£144
Fastest return journey

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Wed 22/4

06:00-15:20

1 stop7h 20m

Iasi

Wed 29/4

05:20-08:20

1 stop5h 00m

£147

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 21/4

09:05-01:20

1 stop14h 15m

Iasi

Wed 29/4

05:20-08:20

1 stop5h 00m

£149

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 21/4

13:35-01:20

2 stops9h 45m

Iasi

Wed 29/4

16:00-21:40

1 stop7h 40m

£153

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 21/4

13:35-01:20

2 stops9h 45m

Iasi

Wed 29/4

05:20-08:20

1 stop5h 00m

£157

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 28/4

09:05-01:20

1 stop14h 15m

Iasi

Sun 3/5

16:00-08:20

1 stop18h 20m

£160

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Iaşi from

How to get the cheapest flight ticket from London Heathrow Airport to Iaşi

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London Heathrow Airport and Iaşi?

What is the cheapest day to depart on your flight to Iaşi?

The cheapest day to depart from London Heathrow Airport to Iaşi is on a Monday. Travellers who choose to depart for Iaşi on a Monday will often find tickets for as low as £165. Flights from London Heathrow Airport to Iaşi on a Wednesday will generally be more expensive and average around £203. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Iaşi?

Our most recent data shows that the best time of day to fly to Iaşi is in the morning. Flights from London Heathrow Airport to Iaşi during this time can be as low as £173. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £192 on average. Flights to Iaşi from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Can stopping save me money on London Heathrow Airport to Iaşi flights?

You could potentially save up to 45% on your flight if you consider stops on a London Heathrow Airport to Iaşi flight.

When to book flights from London Heathrow Airport to Iaşi

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Iaşi according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Iaşi (LHR to IAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Iaşi

Fastest flight time

7h 20m

Direct flights

None
The fastest flight from London Heathrow Airport to Iaşi takes 7h 20m
There are no direct flights from London Heathrow Airport to Iaşi. There are no popular flight routes from London Heathrow Airport to Iaşi.
Search flight deals

  • How far is London Heathrow to Iasi by plane?

    The distance between London Heathrow and Iasi is about 1288.7 mi. In terms of flight time, this usually takes a little over 7h 20m.

  • When did momondo last update prices for flights from London Heathrow Airport to Iasi Airport?

    Prices for flights from London Heathrow Airport to Iasi Airport were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Iasi Airport?

  • How old do you have to be to fly from London Heathrow Airport to Iasi Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Iasi Airport.

  • What documentation or ID do you need to fly to Iasi Airport?

    The travel and health documents you'll need for your trip to Iasi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iasi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London Heathrow Airport to Iaşi?

Best airlines flying from London Heathrow Airport to Iaşi

Compare and see reviews for airlines that fly from London Heathrow Airport to Iaşi with momondo
Airline
Rating
Free Cancellation
Price
Wizz AirPriceFrom £56Free CancellationRating
6.8
414 reviews
Search Wizz Air flights
Austrian AirlinesPriceFrom £159Free CancellationRating
7.6
901 reviews
Search Austrian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Iaşi?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Iaşi from London.

Can I find flights from London to Iaşi with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Iaşi flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Iaşi?

momondo helps you find the best flight between London and Iaşi by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Iaşi right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Iaşi, momondo offers a useful price alert feature which will track prices for flights to Iaşi from London and alert you when they change.

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