How do I get Price Alerts for flights from Iaşi to London Heathrow Airport?

Confirm your travel details to search for the latest offers for flights from Iaşi to London Heathrow Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Iaşi to London Heathrow Airport with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

£76 Cheap Flights from Iaşi to London Heathrow Airport in 2026/27

Find the cheapest flights from Iaşi to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:00 - 18:40IAS Iasi-LHR London Heathrow

4h 40m1 stop Vienna Intl

06:00 - 15:20LHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

£167Austrian Airlines

Sat, 10 Oct - Wed, 14 Oct

16:00 - 08:20IAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

06:00 - 15:20LHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

£168Austrian Airlines

Sat, 10 Oct - Wed, 14 Oct

16:00 - 21:40IAS Iasi-LHR London Heathrow

7h 40m1 stop Vienna Intl

06:00 - 15:20LHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

£169Austrian Airlines

Tue, 6 Oct - Wed, 14 Oct

16:00 - 08:20IAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

06:00 - 15:20LHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

£170Austrian Airlines

Sat, 10 Oct - Wed, 14 Oct

05:20 - 08:20IAS Iasi-LHR London Heathrow

5h 00m1 stop Vienna Intl

06:00 - 15:20LHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

£170Austrian Airlines

Wed, 30 Sep - Wed, 7 Oct

16:00 - 21:40IAS Iasi-LHR London Heathrow

7h 40m1 stop Vienna Intl

06:00 - 15:20LHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

£170Austrian Airlines

Thu, 8 Oct - Wed, 14 Oct

16:00 - 18:40IAS Iasi-LHR London Heathrow

4h 40m1 stop Vienna Intl

06:00 - 01:20LHR London Heathrow-IAS Iasi

17h 20m1 stop Vienna Intl

£170Austrian Airlines

Sat, 10 Oct - Sun, 18 Oct

16:00 - 21:40IAS Iasi-LHR London Heathrow

7h 40m1 stop Vienna Intl

09:05 - 01:20LHR London Heathrow-IAS Iasi

14h 15m1 stop Vienna Intl

£170Austrian Airlines

Tue, 13 Oct - Tue, 20 Oct

05:20 - 08:20IAS Iasi-LHR London Heathrow

5h 00m1 stop Vienna Intl

06:00 - 15:20LHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

£170Austrian Airlines

Fri, 9 Oct - Tue, 13 Oct

05:20 - 08:20IAS Iasi-LHR London Heathrow

5h 00m1 stop Vienna Intl

12:20 - 01:20LHR London Heathrow-IAS Iasi

11h 00m1 stop Vienna Intl

£171Austrian Airlines

Wed, 14 Oct - Tue, 20 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:00 - 08:20IAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

20:25 - 15:20LHR London Heathrow-IAS Iasi

16h 55m2 stops Munich Franz Josef Strauss Vienna Intl

£256Multiple Airlines

Sat, 19 Sep - Mon, 28 Sep

16:00 - 21:40IAS Iasi-LHR London Heathrow

7h 40m1 stop Vienna Intl

06:00 - 01:20LHR London Heathrow-IAS Iasi

17h 20m1 stop Vienna Intl

£260Austrian Airlines

Wed, 16 Sep - Thu, 8 Oct

16:00 - 08:20IAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

06:00 - 01:20LHR London Heathrow-IAS Iasi

17h 20m1 stop Vienna Intl

£262Austrian Airlines

Mon, 21 Sep - Tue, 29 Sep

16:00 - 20:45IAS Iasi-LHR London Heathrow

6h 45m2 stops Vienna Intl Munich Franz Josef Strauss

20:25 - 15:20LHR London Heathrow-IAS Iasi

16h 55m2 stops Munich Franz Josef Strauss Vienna Intl

£281Lufthansa

Sat, 19 Sep - Mon, 28 Sep

16:00 - 21:40IAS Iasi-LHR London Heathrow

7h 40m1 stop Vienna Intl

09:30 - 01:20LHR London Heathrow-IAS Iasi

13h 50m2 stops Frankfurt am Main Vienna Intl

£290Multiple Airlines

Wed, 16 Sep - Thu, 8 Oct

16:00 - 08:20IAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

19:30 - 15:20LHR London Heathrow-IAS Iasi

17h 50m1 stop Vienna Intl

£304Austrian Airlines

Sat, 19 Sep - Mon, 28 Sep

16:00 - 08:20IAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

06:00 - 15:20LHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

£316Austrian Airlines

Sun, 20 Sep - Tue, 29 Sep

16:00 - 20:45IAS Iasi-LHR London Heathrow

6h 45m2 stops Vienna Intl Munich Franz Josef Strauss

09:30 - 01:20LHR London Heathrow-IAS Iasi

13h 50m2 stops Frankfurt am Main Vienna Intl

£326Lufthansa

Wed, 16 Sep - Thu, 8 Oct

16:00 - 22:10IAS Iasi-LHR London Heathrow

8h 10m2 stops Vienna Intl Frankfurt am Main

09:30 - 01:20LHR London Heathrow-IAS Iasi

13h 50m2 stops Frankfurt am Main Vienna Intl

£333Lufthansa

Mon, 21 Sep - Tue, 29 Sep

20:55 - 22:00IAS Iasi-LHR London Heathrow

27h 05m2 stops Bucharest Otopeni Intl Warsaw Frederic Chopin

10:20 - 20:35LHR London Heathrow-IAS Iasi

8h 15m2 stops Warsaw Frederic Chopin Bucharest Otopeni Intl

£342Multiple Airlines

Sun, 20 Sep - Tue, 29 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Lufthansa flights from Iaşi to London Heathrow Airport

Our best Lufthansa deals on Iaşi to London Heathrow Airport flight tickets

Lufthansa

5 Nov

IAS16:05Iasi

28h 25m

2 stops

LHR18:30London Heathrow

11 Nov

LHR08:45London Heathrow

28h 35m

2 stops

IAS15:20Iasi

£199

Lufthansa

2 Oct

IAS05:20Iasi

18h 50m

2 stops

LHR22:10London Heathrow

6 Oct

LHR07:25London Heathrow

15h 55m

2 stops

IAS01:20Iasi

£204

Lufthansa

12 Oct

IAS05:20Iasi

13h 20m

2 stops

LHR16:40London Heathrow

17 Oct

LHR20:25London Heathrow

26h 55m

2 stops

IAS01:20Iasi

£210

Austrian Airlines flights from Iaşi to London Heathrow Airport

Our best Austrian Airlines deals on Iaşi to London Heathrow Airport flight tickets

Austrian Airlines

10 Oct

IAS16:00Iasi

4h 40m

1 stop

LHR18:40London Heathrow

14 Oct

LHR06:00London Heathrow

7h 20m

1 stop

IAS15:20Iasi

£167

Austrian Airlines

10 Oct

IAS16:00Iasi

18h 20m

1 stop

LHR08:20London Heathrow

14 Oct

LHR06:00London Heathrow

7h 20m

1 stop

IAS15:20Iasi

£168

Austrian Airlines

6 Oct

IAS16:00Iasi

7h 40m

1 stop

LHR21:40London Heathrow

14 Oct

LHR06:00London Heathrow

7h 20m

1 stop

IAS15:20Iasi

£169

momondo 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

Fastest return journey

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Sat 10/10

16:00-18:40

1 stop4h 40m

London Heathrow

Wed 14/10

06:00-15:20

1 stop7h 20m

£167

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Sat 10/10

16:00-08:20

1 stop18h 20m

London Heathrow

Wed 14/10

06:00-15:20

1 stop7h 20m

£168

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Tue 6/10

16:00-21:40

1 stop7h 40m

London Heathrow

Wed 14/10

06:00-15:20

1 stop7h 20m

£169

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Sat 10/10

16:00-08:20

1 stop18h 20m

London Heathrow

Wed 14/10

06:00-15:20

1 stop7h 20m

£170

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Wed 30/9

05:20-08:20

1 stop5h 00m

London Heathrow

Wed 7/10

06:00-15:20

1 stop7h 20m

£170

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Thu 8/10

16:00-21:40

1 stop7h 40m

London Heathrow

Wed 14/10

06:00-15:20

1 stop7h 20m

£170

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Sat 10/10

16:00-18:40

1 stop4h 40m

London Heathrow

Sun 18/10

06:00-01:20

1 stop17h 20m

£170

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Tue 13/10

16:00-21:40

1 stop7h 40m

London Heathrow

Tue 20/10

09:05-01:20

1 stop14h 15m

£170

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Fri 9/10

05:20-08:20

1 stop5h 00m

London Heathrow

Tue 13/10

06:00-15:20

1 stop7h 20m

£170

IaşiLondon

IAS Iasi - LHR London Heathrow

IASLHR

Iasi

Wed 14/10

05:20-08:20

1 stop5h 00m

London Heathrow

Tue 20/10

12:20-01:20

1 stop11h 00m

£171

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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

Best price found	£76
Fastest flight time	4h 40m
Direct flights	None

The best one-way flight to London Heathrow Airport from Iaşi in the past 72 hours is £76. The best return flight deal from Iaşi to London Heathrow Airport found on momondo in the last 72 hours is £167.

The fastest flight from Iaşi to London Heathrow Airport takes 4h 40m

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

Frequently asked questions about flying from Iaşi to London Heathrow Airport

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 4h 40m.
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.

Frequently asked questions about flying from Iaşi to London Heathrow Airport

How do I get Price Alerts for flights from Iaşi to London Heathrow Airport?
Confirm your travel details to search for the latest offers for flights from Iaşi to London Heathrow Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Iaşi to London Heathrow Airport with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Eastbourne

Wembley

Gatwick

Milton Keynes

Stratford-upon-Avon

Southend-on-Sea

Luton

Northampton

Slough

Ipswich

Swindon

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Poole

Chichester

Salisbury

Hayes

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.