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Cheap flights from Iaşi to London from £95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Iaşi to London departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

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Austrian Airlines Logo
16:05 - 08:20IAS-LHR
18h 15m1 stop
Austrian Airlines Logo
19:25 - 15:20LHR-IAS
17h 55m1 stop
£141Austrian Airlines
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Austrian Airlines Logo
16:05 - 21:40IAS-LHR
7h 35m1 stop
Austrian Airlines Logo
19:25 - 15:20LHR-IAS
17h 55m1 stop
£143Austrian Airlines
Find Deal
Thu, 13 Nov - Wed, 19 Nov
Austrian Airlines Logo
16:05 - 21:40IAS-LHR
7h 35m1 stop
Austrian Airlines Logo
19:25 - 15:20LHR-IAS
17h 55m1 stop
£144Austrian Airlines
Find Deal
Thu, 13 Nov - Wed, 19 Nov
Austrian Airlines Logo
16:05 - 21:40IAS-LHR
7h 35m1 stop
Austrian Airlines Logo
06:00 - 15:20LHR-IAS
7h 20m1 stop
£145Austrian Airlines
Find Deal
Thu, 6 Nov - Wed, 12 Nov
Austrian Airlines Logo
16:05 - 21:40IAS-LHR
7h 35m1 stop
Austrian Airlines Logo
06:00 - 15:20LHR-IAS
7h 20m1 stop
£146Austrian Airlines
Find Deal
Fri, 7 Nov - Sun, 9 Nov
Multiple Airlines Logo
16:05 - 22:55IAS-LHR
8h 50m2 stops
Multiple Airlines Logo
19:25 - 15:20LHR-IAS
17h 55m1 stop
£160Multiple Airlines
Find Deal
Thu, 13 Nov - Wed, 19 Nov
Austrian Airlines Logo
16:05 - 08:20IAS-LHR
18h 15m1 stop
Austrian Airlines Logo
19:25 - 15:20LHR-IAS
17h 55m1 stop
£161Austrian Airlines
Find Deal
Sun, 23 Nov - Tue, 2 Dec
Lufthansa Logo
16:05 - 21:00IAS-LHR
6h 55m2 stops
Lufthansa Logo
06:35 - 15:20LHR-IAS
30h 45m2 stops
£178Lufthansa
Find Deal
Thu, 20 Nov - Wed, 26 Nov
Lufthansa Logo
16:05 - 22:55IAS-LHR
8h 50m2 stops
Lufthansa Logo
20:15 - 15:20LHR-IAS
17h 05m2 stops
£179Lufthansa
Find Deal
Wed, 10 Dec - Sat, 10 Jan
Lufthansa Logo
16:05 - 22:55IAS-LHR
8h 50m2 stops
Lufthansa Logo
20:15 - 15:20LHR-IAS
17h 05m2 stops
£184Lufthansa
Find Deal
Thu, 13 Nov - Wed, 19 Nov

Austrian Airlines flights from Iaşi to London Heathrow Airport

Our best Austrian Airlines deals on Iaşi to London Heathrow Airport flight tickets
Austrian Airlines
26 Nov
IAS16:05Iasi
18h 15m
1 stop
LHR08:20London Heathrow
3 Dec
LHR19:25London Heathrow
17h 55m
1 stop
IAS15:20Iasi
£141
Find similar
Austrian Airlines
13 Nov
IAS16:05Iasi
7h 35m
1 stop
LHR21:40London Heathrow
19 Nov
LHR19:25London Heathrow
17h 55m
1 stop
IAS15:20Iasi
£143
Find similar
Austrian Airlines
13 Nov
IAS16:05Iasi
7h 35m
1 stop
LHR21:40London Heathrow
19 Nov
LHR19:25London Heathrow
17h 55m
1 stop
IAS15:20Iasi
£144
Find similar

Lufthansa flights from Iaşi to London Heathrow Airport

Our best Lufthansa deals on Iaşi to London Heathrow Airport flight tickets
Lufthansa
20 Nov
IAS16:05Iasi
6h 55m
2 stops
LHR21:00London Heathrow
26 Nov
LHR06:35London Heathrow
30h 45m
2 stops
IAS15:20Iasi
£178
Find similar
Lufthansa
10 Dec
IAS16:05Iasi
8h 50m
2 stops
LHR22:55London Heathrow
10 Jan
LHR20:15London Heathrow
17h 05m
2 stops
IAS15:20Iasi
£179
Find similar
Lufthansa
13 Nov
IAS16:05Iasi
8h 50m
2 stops
LHR22:55London Heathrow
19 Nov
LHR20:15London Heathrow
17h 05m
2 stops
IAS15:20Iasi
£184
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Iaşi to London Heathrow Airport 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 13 October 2025.
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

IaşiLondon

IAS - LHR

IASLHR

Iasi

Wed 26/11

16:05-08:20

1 stop18h 15m

London Heathrow

Wed 3/12

19:25-15:20

1 stop17h 55m

£141

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 13/11

16:05-21:40

1 stop7h 35m

London Heathrow

Wed 19/11

19:25-15:20

1 stop17h 55m

£143

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 13/11

16:05-21:40

1 stop7h 35m

London Heathrow

Wed 19/11

19:25-15:20

1 stop17h 55m

£144

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 6/11

16:05-21:40

1 stop7h 35m

London Heathrow

Wed 12/11

06:00-15:20

1 stop7h 20m

£145

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 7/11

16:05-21:40

1 stop7h 35m

London Heathrow

Sun 9/11

06:00-15:20

1 stop7h 20m

£146

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 13/11

16:05-22:55

2 stops8h 50m

London Heathrow

Wed 19/11

19:25-15:20

1 stop17h 55m

£160

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sun 23/11

16:05-08:20

1 stop18h 15m

London Heathrow

Tue 2/12

19:25-15:20

1 stop17h 55m

£161

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 20/11

16:05-21:00

2 stops6h 55m

London Heathrow

Wed 26/11

06:35-15:20

2 stops30h 45m

£178

IaşiLondon

IAS - LHR

IASLHR

Iasi

Wed 10/12

16:05-22:55

2 stops8h 50m

London Heathrow

Sat 10/1

20:15-15:20

2 stops17h 05m

£179

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 13/11

16:05-22:55

2 stops8h 50m

London Heathrow

Wed 19/11

20:15-15:20

2 stops17h 05m

£184

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

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 cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Iaşi is on a Saturday. momondo users have found tickets for Saturday departures for as low as £185. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £228.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Iaşi to London Heathrow Airport in the morning for as low as £199. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £209 on average. Flights to London Heathrow Airport from Iaşi in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Iaşi to London Heathrow Airport

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

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

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

Direct flights

None
There are no direct flights from Iaşi to London Heathrow Airport. There are no popular flight routes from Iaşi to London Heathrow Airport.
Search flight deals

  • How far is Iasi to London Heathrow by plane?

    Iasi and London Heathrow are 1288.7 mi apart from one another. By plane, this route typically takes 6h 55m.

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

    Prices for flights from Iasi Airport to London Heathrow Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Iasi Airport to London Heathrow Airport.

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

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Maidstone
Gatwick
Northampton
Slough
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Poole
Swanage
Colchester
Dover
Hayes
Chelmsford

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Iaşi to London . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Iaşi to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Iaşi and London 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 Iaşi to London right now. Can momondo alert me if prices change?

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

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