Find flights
When to book
Airlines
FAQs
United Kingdom
GBP

Cheap flights from London Heathrow Airport to Iaşi from £90

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAS
12 Sep — 19 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Iaşi

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Iaşi
Explore the most affordable flight options available from Heathrow to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 August 2026.

Thu 24/906:00 -
1 stop17h 20m
Wed 30/905:20 -
1 stop18h 20m
Deal found 11/8£171
Wed 23/906:00 -
1 stop7h 20m
Wed 30/905:20 -
1 stop5h 00m
Deal found 10/8£175
Wed 23/909:55 -
2 stops12h 30m
Wed 30/919:00 -
2 stops16h 10m
Deal found 10/8£178
Mon 5/1019:30 -
1 stop17h 50m
Tue 13/1016:00 -
1 stop18h 20m
Deal found 12/8£179
Tue 8/917:55 -
1 stop15h 15m
Tue 22/905:45 -
1 stop10h 30m
Deal found 10/8£182
Thu 1/1006:00 -
1 stop17h 20m
Thu 8/1016:00 -
1 stop7h 40m
Deal found 12/8£184
Thu 24/906:00 -
1 stop17h 20m
Thu 1/1016:00 -
1 stop7h 40m
Deal found 10/8£186
Thu 8/1006:00 -
1 stop7h 20m
Fri 16/1005:20 -
2 stops13h 20m
Deal found 13/8£187
Wed 21/1019:30 -
1 stop17h 50m
Mon 2/1116:05 -
1 stop18h 15m
Deal found 11/8£188

Find flight deals from Heathrow to Iaşi

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Iaşi (IAS). 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 August 2026.

Round-trip from

£171

One-way from

£90

Popular in

December

Cheapest in

January

Average price

£326
Austrian Airlines
  • Austrian Airlines
  • 24/9-30/9
  • 2 total stops
  • 35h 40m total
  • London to Iaşi
Search Deals
8/9
  • 8/9
  • 2 total stops
  • 25h 35m total
  • London to Iaşi
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 13 August 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 London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 24/9

06:00-01:20

1 stop17h 20m

Iasi

Wed 30/9

05:20-21:40

1 stop18h 20m

£171

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 3/12

06:00-15:20

1 stop7h 20m

Iasi

Wed 9/12

16:05-08:20

1 stop18h 15m

£184

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 1/10

06:00-01:20

1 stop17h 20m

Iasi

Thu 8/10

16:00-21:40

1 stop7h 40m

£184

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 3/12

07:40-15:20

2 stops29h 40m

Iasi

Wed 9/12

16:05-22:55

2 stops8h 50m

£197

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Sun 20/9

06:00-01:20

1 stop17h 20m

Iasi

Sat 26/9

16:00-21:40

1 stop7h 40m

£198

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 24/9

06:00-15:20

1 stop7h 20m

Iasi

Thu 1/10

16:00-21:40

1 stop7h 40m

£202
Fastest return journey

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Fri 9/10

06:00-15:20

1 stop7h 20m

Iasi

Tue 13/10

16:00-18:40

1 stop4h 40m

£206

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Mon 5/10

19:30-15:20

1 stop17h 50m

Iasi

Sun 11/10

16:00-08:20

1 stop18h 20m

£207

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Sat 3/10

20:25-01:20

2 stops26h 55m

Iasi

Sun 11/10

16:00-08:20

1 stop18h 20m

£218

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 24/9

09:30-01:20

2 stops13h 50m

Iasi

Wed 30/9

05:20-14:40

2 stops11h 20m

£219

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Heathrow to Iaşi

Have a flexible travel schedule? Discover the best time to fly to Iaşi from Heathrow 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.

Reviews of airlines servicing Iaşi

Get insights into the airlines that provide service to Iaşi. 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 Iaşi. Reviews last updated 13 August 2026.
Read reviews from past customers who have flown with Austrian Airlines and Wizz Air from London Heathrow Airport to Iaşi. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
948 reviews
Check prices

Food

6.8

Entertainment

6.8

Overall

7.6

Comfort

7.3

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
Austrian Airlines
7.6
Good
948 reviews
Austrian Airlines
7.6
Good
948 reviews
Check prices

Food

6.8

Entertainment

6.8

Overall

7.6

Comfort

7.3

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
Wizz Air
6.8
Okay
457 reviews
Austrian Airlines
7.6
Good
948 reviews
Check prices

Food

6.8

Entertainment

6.8

Overall

7.6

Comfort

7.3

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Iaşi. 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 into for flights to Iaşi from London Heathrow?

    If you book a flight to Iaşi from London Heathrow, you will be flying to 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 London Heathrow to Iasi per day from 2 different airlines.

  • How long is the flight from London Heathrow Airport to Iaşi?

    Airlines like Austrian Airlines and Lufthansa fly from London Heathrow Airport to Iaşi in about 17h 20m. The time it takes to get you to your destination can typically vary by up to 12h 20m. London Heathrow Airport and Iaşi are separated by a distance of 1289 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £55, Wizz Air will fly you from London Heathrow Airport to Iaşi and back. In addition to Wizz Air, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Austrian Airlines for as low as £136.

  • Can I find deals for flights from Heathrow to Iaşi that include hotel bookings?

    Yes. In addition to deals on Heathrow to Iaşi flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Iaşi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Iaşi.

  • Can I find deals for business class flights from Heathrow to Iaşi?

    Yes. Cheapflights offers flight deals from Heathrow to Iaşi 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

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.

Top 2 airlines flying from Heathrow to Iaşi

Discover the top 2 airlines that operate flights from Heathrow to Iaşi. 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 13 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£55Average£137FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Austrian AirlinesCheapest£136Average£295FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines 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 Heathrow to Iaşi?

When you search for this flight from Heathrow to Iaşi, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Iaşi?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Iaşi for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Iaşi with no change fees?

Need flexible booking options for your flight to Iaşi from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Iaşi become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.