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Cheap flights from Iaşi to London Heathrow Airport from £85

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAS — LHR
26 Feb — 5 Mar1
1 adult

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 21 February 2025.

Round-trip from

£146

One-way from

£85

Popular in

July

Cheapest in

November

Average price

£98
Austrian Airlines
  • Austrian Airlines
  • 7/4-15/4
  • 2 total stops
  • 17h 55m total
  • Iaşi to London
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4/4
  • 4/4
  • 1 total stop
  • 10h 20m total
  • Iaşi to London
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (£52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Find flight deals from Iaşi to Heathrow

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 21 February 2025.

Mon 7/405:20IAS - LHR
1 stop5h 00mAustrian Airlines
Tue 15/410:25LHR - IAS
1 stop12h 55mAustrian Airlines
Deal found 21/2£146
Thu 6/317:10IAS - LHR
1 stop23h 15mMultiple Airlines
Wed 12/315:15LHR - IAS
1 stop23h 30mMultiple Airlines
Deal found 20/2£154
Mon 7/416:00IAS - LHR
2 stops6h 40mLufthansa
Tue 15/413:40LHR - IAS
2 stops9h 40mLufthansa
Deal found 21/2£192
Sat 8/305:25IAS - LHR
2 stops17h 25mKLM
Mon 10/320:25LHR - IAS
2 stops22h 05mKLM
Deal found 20/2£340

Find flights from Iaşi to Heathrow within your budget

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 21 February 2025.

Fly from

Iaşi

Fly to

Heathrow

Route

Depart

Return

Price

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 7/4

05:20-08:20

1 stop5h 00m

London Heathrow

Tue 15/4

10:25-01:20

1 stop12h 55m

£146

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 6/3

17:10-14:25

1 stop23h 15m

London Heathrow

Wed 12/3

15:15-16:45

1 stop23h 30m

£154

IaşiLondon

IAS - LHR

IASLHR

Iasi

Mon 7/4

16:00-20:40

2 stops6h 40m

London Heathrow

Tue 15/4

13:40-01:20

2 stops9h 40m

£192

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sat 8/3

05:25-20:50

2 stops17h 25m

London Heathrow

Mon 10/3

20:25-20:30

2 stops22h 05m

£340

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 4/4

08:40-17:00

1 stop10h 20m

£85

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 4/4

05:20-22:40

2 stops19h 20m

£132

IaşiLondon

IAS - LHR

IASLHR

Iasi

Tue 15/7

16:00-21:40

1 stop7h 40m

£155

IaşiLondon

IAS - LHR

IASLHR

Iasi

Thu 27/2

14:00-20:50

2 stops8h 50m

£235

IaşiLondon

IAS - LHR

IASLHR

Iasi

Sun 9/3

05:25-16:35

2 stops13h 10m

£295

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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.

Travel insights for flights from Iaşi to Heathrow

Get recent, data-driven insights about flights from Iaşi to Heathrow including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Iaşi to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

One of the essential ways to save on airfare from Iaşi to London Heathrow Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 5% on airfare.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 21 February 2025.
Read reviews from past customers who have flown KLM, Austrian Airlines and Air France from Iaşi to London. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Austrian Airlines
7.6
Good
773 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Air France
7.4
Good
1,449 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Lufthansa
6.7
Okay
6,986 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 1 airline.

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

    Flying on Austrian Airlines is currently your cheapest option to London Heathrow Airport, with prices starting at £146. Additional return tickets that might be worth considering are offered by Lufthansa and KLM, with the lowest prices starting at £192 and £340, respectively.

  • What are the cheapest airlines to fly from Iaşi to London Heathrow Airport one-way?

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as £132. Users have also found prices from £155 and £235 on Austrian Airlines and KLM, respectively.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Iaşi to London Heathrow Airport (average of £112). Flying from Iaşi to London Heathrow Airport in August is currently the most expensive (average of £163). 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

Travelling to a place near Iaşi?

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Deal
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Croydon
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Swindon
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Crawley
Southall
Watford

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Top airline flying from Iaşi to Heathrow

Discover the top airline that operate flights from Iaşi to Heathrow. 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest£139Average£208FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

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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.

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