Find flights
When to book
FAQs

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAS — LHR
12 Feb — 19 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 13 January 2026.

Round-trip from

£138

One-way from

£80

Popular in

August

Cheapest in

January

Average price

£71
Austrian Airlines
  • Austrian Airlines
  • 26/1-1/2
  • 2 total stops
  • 41h 55m total
  • Iaşi to London
Search Deals
25/2
  • 25/2
  • 1 total stop
  • 23h 05m total
  • Iaşi to London
Search Deals
Highest demand for flights based on searches. 37% potential increase in price (£55 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 January 2026
Search Deals

Find 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 13 January 2026.

Mon 26/116:05
IAS
-
LHR
1 stop24h 00m
Austrian Airlines
Sun 1/219:25
LHR
-
IAS
1 stop17h 55m
Austrian Airlines
Deal found 11/1£138
Fri 30/116:05
IAS
-
LHR
1 stop7h 35m
Austrian Airlines
Thu 5/219:25
LHR
-
IAS
1 stop17h 55m
Austrian Airlines
Deal found 11/1£140
Mon 9/216:05
IAS
-
LHR
2 stops6h 55m
Multiple Airlines
Wed 18/206:00
LHR
-
IAS
1 stop7h 20m
Multiple Airlines
Deal found 11/1£154
Mon 26/116:05
IAS
-
LHR
2 stops27h 00m
Lufthansa
Sun 1/211:10
LHR
-
IAS
2 stops26h 10m
Lufthansa
Deal found 11/1£169
Fri 30/116:05
IAS
-
LHR
2 stops8h 50m
Lufthansa
Thu 5/213:50
LHR
-
IAS
2 stops23h 30m
Lufthansa
Deal found 12/1£170
Sun 18/116:05
IAS
-
LHR
1 stop18h 15m
Austrian Airlines
Tue 27/114:50
LHR
-
IAS
1 stop22h 30m
Austrian Airlines
Deal found 12/1£171
Fri 17/416:00
IAS
-
LHR
2 stops8h 10m
Multiple Airlines
Tue 21/406:00
LHR
-
IAS
1 stop17h 20m
Multiple Airlines
Deal found 11/1£181
Mon 26/116:05
IAS
-
LHR
2 stops8h 50m
Multiple Airlines
Sun 1/219:25
LHR
-
IAS
1 stop17h 55m
Multiple Airlines
Deal found 11/1£182
Mon 19/116:05
IAS
-
LHR
1 stop7h 35m
Austrian Airlines
Mon 26/106:00
LHR
-
IAS
1 stop7h 20m
Austrian Airlines
Deal found 12/1£184
Thu 12/221:45
IAS
-
LHR
1 stop26h 10m
Multiple Airlines
Sat 21/210:45
LHR
-
IAS
2 stops24h 00m
Multiple Airlines
Deal found 11/1£187

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 13 January 2026.
Use the filters below to find and compare flights from Iaşi to London Heathrow Airport that are best for you.

Fly from

Iaşi

Fly to

Heathrow

Route

Depart

Return

Price

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 26/1

16:05-14:05

1 stop24h 00m

London Heathrow

Sun 1/2

19:25-15:20

1 stop17h 55m

£138

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 30/1

16:05-21:40

1 stop7h 35m

London Heathrow

Thu 5/2

19:25-15:20

1 stop17h 55m

£140

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 9/2

16:05-21:00

2 stops6h 55m

London Heathrow

Wed 18/2

06:00-15:20

1 stop7h 20m

£154

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 26/1

16:05-22:55

2 stops8h 50m

London Heathrow

Sun 1/2

13:55-15:20

1 stop23h 25m

£155

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sun 25/1

16:05-14:05

1 stop24h 00m

London Heathrow

Sat 31/1

14:50-15:20

1 stop22h 30m

£155

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 23/1

16:05-21:40

1 stop7h 35m

London Heathrow

Fri 30/1

06:00-15:20

1 stop7h 20m

£155

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sun 25/1

16:05-19:35

2 stops29h 30m

London Heathrow

Sat 31/1

13:50-15:20

2 stops23h 30m

£169

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 26/1

16:05-17:05

2 stops27h 00m

London Heathrow

Sun 1/2

11:10-15:20

2 stops26h 10m

£169

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 30/1

16:05-22:55

2 stops8h 50m

London Heathrow

Thu 5/2

06:35-15:20

2 stops30h 45m

£169

IaşiLondon

IAS - LHR

IASLHR

Iasi

Wed 25/2

21:00-18:05

1 stop23h 05m

£80

Flights are sorted by cheapest return flights first.

Deals found on 10/1

Showing 1-10 of 16 results
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 can get you from Iaşi to London Heathrow Airport in just under 24h. Your travel time can differ by up to . Airlines will cover a distance of 1289 mi.

  • 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
Milton Keynes
Croydon
Luton
Northampton
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Swindon
Bedford
Chelmsford
Eastbourne
Romford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Iaşi to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Otopeni Intl to Luton flights
Otopeni Intl to Gatwick flights
Otopeni Intl to Heathrow flights
Otopeni Intl to Stansted flights
Cluj Napoca to Luton flights
Cluj Napoca to Gatwick flights
Cluj Napoca to Heathrow flights
Iaşi to Gatwick flights
Cluj Napoca to Stansted flights
Iaşi to Luton flights
Iaşi to Stansted flights
Cluj Napoca to London City flights
Otopeni Intl to Southend flights
Sibiu to Luton flights
Sibiu to Stansted flights
Sibiu to Gatwick flights
Suceava to Luton flights
Suceava to Heathrow flights
Suceava to Gatwick flights
Suceava to Stansted flights
Bacău to Luton flights
Timisoara to Gatwick flights
Timisoara to Luton flights
Timisoara to Heathrow flights
Timisoara to Stansted flights
Timisoara to London City flights
Bacău to Gatwick flights
Oradea to Heathrow flights
Oradea to Luton flights
Craiova to Luton flights
Oradea to Stansted flights
Craiova to Stansted flights
Craiova to Gatwick flights
Constanţa to Luton flights
Constanţa to Heathrow flights
Cluj Napoca to Southend flights
Bacău to Stansted flights
Bacău to Heathrow flights
Iaşi to Southend flights
Constanţa to Gatwick flights
Timisoara to Southend flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Iaşi to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.