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Cheap flights from London to Iaşi from £73

LON — IAS
20 Sep — 27 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Iasi are usually found in January or March, booked 46 days in advance, depart on a Sunday or Friday and return on a Friday

Cheap flight deals from London to Iaşi

Enter your travel dates to find the best prices.

Cheapest flights from London to Iaşi

Thu 1/1008:15 -
Nonstop3h 15m
Fri 9/1018:55 -
1 stop6h 10m
Deal found 17/8£101
Fri 2/1013:45 -
1 stop8h 40m
Thu 8/1012:05 -
1 stop11h 10m
Deal found 16/8£101
Thu 1/1020:35 -
1 stop12h 45m
Thu 8/1009:15 -
1 stop6h 10m
Deal found 16/8£101
Thu 17/920:35 -
1 stop25h 50m
Thu 8/1009:15 -
1 stop9h 55m
Deal found 17/8£102
Fri 16/1013:05 -
1 stop9h 20m
Mon 19/1019:00 -
2 stops23h 00m
Deal found 16/8£102
Thu 24/919:30 -
1 stop13h 50m
Mon 28/919:00 -
1 stop14h 50m
Deal found 20/8£102
Fri 2/1008:15 -
Nonstop3h 15m
Fri 9/1006:10 -
Nonstop3h 20m
Deal found 18/8£103
Fri 2/1016:15 -
1 stop6h 10m
Fri 9/1019:00 -
1 stop6h 05m
Deal found 17/8£103
Tue 8/908:15 -
1 stop11h 05m
Mon 21/917:45 -
1 stop6h 40m
Deal found 18/8£103
Wed 9/915:15 -
1 stop7h 10m
Sat 19/913:30 -
1 stop6h 55m
Deal found 17/8£103
Tue 15/921:35 -
2 stops18h 25m
Tue 22/921:45 -
2 stops20h 55m
Deal found 18/8£103
Thu 1/1019:30 -
1 stop13h 50m
Thu 8/1005:10 -
2 stops19h 45m
Deal found 16/8£103

Find flight deals from London to Iaşi

Round-trip from

£101

One-way from

£73

Popular in

August

Cheapest in

January

Average price

£336

Good round-trip deal

£180 or less

Good one-way deal

£190 or less
1/10-9/10
  • 1/10-9/10
  • 1 total stop
  • 9h 25m total
  • London to Iaşi
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17/11
  • 17/11
  • 1 total stop
  • 12h 05m total
  • London to Iaşi
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£50 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from London (LON) to Iasi.
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Price to beat on a one-way flight from London (LON) to Iasi.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London to Iaşi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonIaşi

LTN London Luton - IAS Iasi

LTNIAS

London Luton

Sat 3/10

08:15-13:30

Nonstop3h 15m

Iasi

Mon 12/10

06:10-07:30

Nonstop3h 20m

£103

LondonIaşi

STN London Stansted - IAS Iasi

STNIAS

London Stansted

Sat 26/9

05:55-11:10

2 stops27h 15m

Iasi

Wed 30/9

19:00-12:10

2 stops19h 10m

£105

LondonIaşi

STN London Stansted - IAS Iasi

STNIAS

London Stansted

Wed 14/10

07:25-00:25

1 stop15h 00m

Iasi

Sun 25/10

06:00-13:45

1 stop9h 45m

£112

LondonIaşi

LTN London Luton - IAS Iasi

LTNIAS

London Luton

Fri 2/10

08:15-13:30

Nonstop3h 15m

Iasi

Thu 8/10

06:10-07:30

Nonstop3h 20m

£112

LondonIaşi

LTN London Luton - IAS Iasi

LTNIAS

London Luton

Fri 16/10

08:15-13:30

Nonstop3h 15m

Iasi

Mon 19/10

06:10-07:30

Nonstop3h 20m

£114

LondonIaşi

STN London Stansted - IAS Iasi

STNIAS

London Stansted

Wed 9/9

07:25-00:25

1 stop15h 00m

Iasi

Wed 16/9

19:00-07:20

2 stops14h 20m

£116

LondonIaşi

LTN London Luton - IAS Iasi

LTNIAS

London Luton

Sat 14/11

08:25-13:40

Nonstop3h 15m

Iasi

Mon 30/11

14:10-18:15

1 stop6h 05m

£117

LondonIaşi

LGW London Gatwick - IAS Iasi

LGWIAS

London Gatwick

Thu 17/9

05:35-22:30

1 stop14h 55m

Iasi

Thu 24/9

18:15-22:50

1 stop6h 35m

£120

LondonIaşi

LTN London Luton - IAS Iasi

LTNIAS

London Luton

Sat 26/9

12:55-11:10

2 stops20h 15m

Iasi

Wed 30/9

13:30-18:05

1 stop6h 35m

£121

LondonIaşi

STN London Stansted - IAS Iasi

STNIAS

London Stansted

Sat 10/10

15:05-17:25

1 stop24h 20m

Iasi

Sat 17/10

14:25-22:35

1 stop10h 10m

£124

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Iaşi

Have a flexible travel schedule? Discover the best time to fly to Iaşi from London with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London to Iaşi

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

Currently, January is the cheapest month in which you can book a flight from London to Iaşi (average of £90). Flying from London to Iaşi in August is currently the most expensive (average of £326). 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.

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

When flying from London to Iaşi, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to Iaşi

The most flights from LON to IAS are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost for a return flight from London to Iaşi?

Airfare is below average for this route at the moment.
London to Iaşi flights typically cost between £182 and £266 in October.
The cheapest return price found within the last 5 days was £101 on Multiple Airlines (1 Oct–9 Oct).

What’s the top stopover airport for flights from London to Iaşi?

Vienna (VIE) – chosen by Cheapflights users on 92% of one-stop itineraries from London to Iaşi on Cheapflights.

What’s the cheapest stopover airport for flights from London to Iaşi?

Milan (MXP) is the most affordable one-stop option, with an average return flight price of £149.

What’s the fastest stopover option from London to Iaşi?

Flights via Milan (MXP) have the shortest average one-way travel time for one-stop routes: 7h 10m.

Which airport typically offers the quickest stopover for flights from London to Iaşi?

Flights via Vienna (VIE) offer the fastest connection on this route, with an average stopover time of 3h 13m.

How often are flights from London to Iaşi delayed?

About 8% of weekly flights between London and Iaşi have experienced delays in the past year, with the average delay time being 145 minutes.

What is the most punctual flight time for London to Iaşi flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Iaşi flights?

Over the past year, Wizz Air have had the lowest number of delays on this route, with just 8% of flights being delayed.

How far ahead should I book a flight from London to Iaşi?

The price you pay for your flight from London to Iaşi may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Iaşi

Read through reviews of airlines operating flights from London to Iaşi, such as Austrian Airlines and Wizz Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
949 reviews
Check prices

Food

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andra,Aug 2025

LHR - LAX

Flight was very good, few minutes delayed, but good flight. We both are satisfied, thank you!
Austrian Airlines
7.6
Good
949 reviews
Austrian Airlines
7.6
Good
949 reviews
Check prices

Food

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andra,Aug 2025

LHR - LAX

Flight was very good, few minutes delayed, but good flight. We both are satisfied, thank you!
Wizz Air
6.8
Okay
458 reviews
Austrian Airlines
7.6
Good
949 reviews
Check prices

Food

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andra,Aug 2025

LHR - LAX

Flight was very good, few minutes delayed, but good flight. We both are satisfied, thank you!

Related info for your journey

  • What airport do you fly into for flights to Iaşi from London?

    Located just 1.3 mi from the city center, Iasi is the airport most travelers will use when flying to Iaşi from London. Booking flights from London to Iasi (IAS) should be relatively easy as there is 1 daily inbound flight from London from 2 different airlines.

  • How long is the flight from London to Iaşi?

    For as low as £103, Wizz Air can have you in Iaşi from London in 3h 15m. Airlines will cover a distance of 1287 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £62, Wizz Air will fly you from London 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 £150. Wizz Air is priced at 64% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from London to Iaşi?

    While some choose either London Heathrow - Iasi or London Gatwick - Iasi, London Luton - Iasi is the most popular route from London to Iaşi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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.

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

    Currently, January is the cheapest month in which you can book a flight from London to Iaşi (average of £90). Flying from London to Iaşi in August is currently the most expensive (average of £326). 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

Browse thousands of different options on Cheapflights for your next trip

Fly from London to Iaşi on these airlines

Wizz Air flights from London to Iasi

Top 2 airlines flying from London to Iaşi

AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£62Average£171FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Austrian AirlinesCheapest£150Average£280FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

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Yes, Cheapflights offers price alerts on London to Iaşi flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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