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Cheap flights from London Heathrow Airport to Iaşi from £67

LHR — IAS
29 Oct — 5 Nov1
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

Thu 19/1106:00 -
1 stop7h 20m
Wed 25/1116:05 -
1 stop7h 35m
Deal found 25/9£159
Thu 8/1006:00 -
1 stop17h 20m
Wed 14/1016:00 -
1 stop7h 40m
Deal found 25/9£167
Thu 12/1106:00 -
1 stop7h 20m
Wed 18/1116:05 -
1 stop18h 15m
Deal found 28/9£168
Thu 15/1006:00 -
1 stop17h 20m
Mon 19/1005:20 -
1 stop5h 00m
Deal found 25/9£168
Thu 19/1106:00 -
1 stop7h 20m
Mon 23/1116:05 -
1 stop18h 15m
Deal found 28/9£171
Thu 5/1106:00 -
1 stop7h 20m
Wed 11/1116:05 -
1 stop18h 15m
Deal found 28/9£172
Mon 16/1116:30 -
1 stop6h 20m
Tue 24/1114:40 -
1 stop7h 25m
Deal found 25/9£177

Find flight deals from Heathrow to Iaşi

Round-trip from

£159

One-way from

£67

Popular in

August

Cheapest in

January

Average price

£177
Austrian Airlines
  • Austrian Airlines
  • 19/11-25/11
  • 2 total stops
  • 14h 55m total
  • London to Iaşi
Search Deals
10/11-31/12
  • 10/11-31/12
  • 2 total stops
  • 29h 15m total
  • London to Iaşi
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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

Tue 10/11

20:50-18:20

3 stops19h 30m

Iasi

Wed 31/12

00:00-23:00

Nonstop0h 00m

£107

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Sat 10/10

16:50-11:20

2 stops16h 30m

Iasi

Wed 31/12

00:00-23:00

Nonstop0h 00m

£114

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Tue 6/10

09:05-01:20

1 stop14h 15m

Iasi

Wed 31/12

00:00-23:00

Nonstop0h 00m

£158
Fastest return journey

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Fri 30/10

16:30-00:50

1 stop6h 20m

Iasi

Wed 31/12

00:00-23:00

Nonstop0h 00m

£165

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Sun 11/10

08:50-22:10

1 stop11h 20m

Iasi

Wed 31/12

00:00-23:00

Nonstop0h 00m

£168

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 19/11

06:00-15:20

1 stop7h 20m

Iasi

Mon 23/11

16:05-08:20

1 stop18h 15m

£171

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Sun 11/10

06:00-01:20

1 stop17h 20m

Iasi

Tue 20/10

16:00-21:40

1 stop7h 40m

£171

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 19/11

06:00-15:20

1 stop7h 20m

Iasi

Wed 25/11

16:05-21:40

1 stop7h 35m

£171

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 8/10

06:00-01:20

1 stop17h 20m

Iasi

Wed 14/10

16:00-21:40

1 stop7h 40m

£173

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Mon 14/12

06:30-15:20

2 stops6h 50m

Iasi

Wed 31/12

00:00-23:00

Nonstop0h 00m

£181

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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

Reviews of airlines servicing Iaşi

Read reviews from past customers who have flown with Austrian Airlines 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
7.5
Good
974 reviews
Check prices

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.5

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
7.5
Good
974 reviews
Austrian Airlines
7.5
Good
974 reviews
Check prices

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.5

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

  • 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 1 airline.

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

    Airlines like Austrian Airlines fly from London Heathrow Airport to Iaşi in about 7h 20m. The time it takes to get you to your destination can typically vary by up to . London Heathrow Airport and Iaşi are separated by a distance of 1289 mi.

  • What is the cheapest airline to fly from London Heathrow Airport to Iaşi round-trip?

    Currently priced at £139, Austrian Airlines will fly you from London Heathrow Airport to Iaşi and back. In addition to Austrian Airlines, many other airlines offer competitively priced options for your trip.

  • 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

Top airline flying from Heathrow to Iaşi

AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest£139Average£287FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

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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.

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