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Cheap flights from London to Iaşi from £34

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAS
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Iasi are usually found in January or September, booked 46 days in advance, depart on a Monday or Thursday and return on a Sunday

Cheap flight deals from London to Iaşi

Enter your travel dates to find the best prices.

Cheapest flights from London to Iaşi
Explore the most affordable flight options available from London to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 May 2026.

Thu 11/620:35
LTN
-
IAS
1 stop12h 45m
Wizz Air
Wed 17/606:10
IAS
-
LTN
Nonstop3h 20m
Wizz Air
Deal found 5/5£87
Fri 19/622:00
STN
-
IAS
1 stop12h 55m
Multiple Airlines
Fri 26/619:00
IAS
-
STN
1 stop15h 00m
Multiple Airlines
Deal found 5/5£87
Thu 11/620:35
LTN
-
IAS
1 stop12h 45m
Multiple Airlines
Wed 17/613:30
IAS
-
LTN
1 stop6h 35m
Multiple Airlines
Deal found 7/5£88
Fri 15/519:20
STN
-
IAS
1 stop15h 35m
Ryanair
Tue 19/521:45
IAS
-
STN
1 stop14h 35m
Ryanair
Deal found 5/5£88
Tue 12/521:45
STN
-
IAS
2 stops18h 15m
Ryanair
Tue 19/521:45
IAS
-
STN
1 stop11h 05m
Ryanair
Deal found 6/5£89
Tue 9/621:45
STN
-
IAS
2 stops18h 15m
Ryanair
Tue 16/621:45
IAS
-
STN
1 stop14h 35m
Ryanair
Deal found 9/5£90
Wed 3/615:15
LTN
-
IAS
1 stop7h 10m
Wizz Air
Wed 10/619:00
IAS
-
LTN
1 stop21h 25m
Wizz Air
Deal found 6/5£91
Thu 14/506:15
STN
-
IAS
1 stop9h 30m
Multiple Airlines
Sat 23/513:20
IAS
-
STN
1 stop8h 40m
Multiple Airlines
Deal found 6/5£92
Fri 12/615:15
LTN
-
IAS
1 stop7h 10m
Multiple Airlines
Tue 16/612:10
IAS
-
LTN
1 stop5h 35m
Multiple Airlines
Deal found 8/5£92
Sun 7/608:00
STN
-
IAS
1 stop12h 50m
Multiple Airlines
Sun 14/617:50
IAS
-
STN
1 stop15h 40m
Multiple Airlines
Deal found 7/5£92
Tue 9/621:50
LTN
-
IAS
2 stops24h 35m
Multiple Airlines
Tue 16/606:10
IAS
-
LTN
Nonstop3h 20m
Multiple Airlines
Deal found 9/5£93
Thu 11/619:30
STN
-
IAS
1 stop13h 50m
Multiple Airlines
Wed 17/618:25
IAS
-
STN
2 stops17h 35m
Multiple Airlines
Deal found 8/5£93

Find flight deals from London to Iaşi

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 10 May 2026.

Round-trip from

£87

One-way from

£34

Popular in

December

Cheapest in

January

Average price

£151

Good round-trip deal

£121 or less

Good one-way deal

£80 or less
Wizz Air
  • Wizz Air
  • 11/6-17/6
  • 1 total stop
  • 16h 05m total
  • London to Iaşi
Search Deals
Wizz Air
  • Wizz Air
  • 18/6
  • 1 total stop
  • 25h 50m total
  • London to Iaşi
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Iasi.
Search Deals
Price to beat on a one-way flight from London (LON) to Iasi.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 10 May 2026.
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

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Thu 11/6

20:35-11:20

1 stop12h 45m

Iasi

Wed 17/6

06:10-07:30

Nonstop3h 20m

£87

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Thu 11/6

20:35-11:20

1 stop12h 45m

Iasi

Wed 17/6

13:30-18:05

1 stop6h 35m

£88

LondonIaşi

STN - IAS

STNIAS

London Stansted

Thu 11/6

19:30-11:20

1 stop13h 50m

Iasi

Wed 17/6

18:25-10:00

2 stops17h 35m

£92

LondonIaşi

STN - IAS

STNIAS

London Stansted

Fri 19/6

22:00-12:55

1 stop12h 55m

Iasi

Fri 26/6

23:10-20:25

2 stops23h 15m

£96

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sat 20/6

20:55-02:10

Nonstop3h 15m

Iasi

Fri 26/6

18:55-23:05

1 stop6h 10m

£103

LondonIaşi

STN - IAS

STNIAS

London Stansted

Wed 17/6

07:25-11:10

2 stops25h 45m

Iasi

Fri 26/6

23:10-20:25

2 stops23h 15m

£104

LondonIaşi

STN - IAS

STNIAS

London Stansted

Thu 11/6

06:05-11:40

2 stops27h 35m

Iasi

Wed 17/6

18:25-10:00

2 stops17h 35m

£108

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Mon 22/6

15:15-00:25

1 stop7h 10m

Iasi

Fri 26/6

13:20-04:55

2 stops17h 35m

£110

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Fri 5/6

15:15-00:25

1 stop7h 10m

Iasi

Fri 12/6

06:00-14:35

1 stop10h 35m

£112
Fastest return journey

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sat 20/6

20:55-02:10

Nonstop3h 15m

Iasi

Sat 4/7

18:50-20:15

Nonstop3h 25m

£115

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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
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.

Cheapflights Insights

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

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 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from London to Iaşi (average of £34). Flying from London to Iaşi in July is currently the most expensive (average of £88). 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?

Find hourly flight availability from London to Iaşi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 May 2026.

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

Explore weekly flight availability from London to Iaşi. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 May 2026.

The most flights from LON to IAS are scheduled on a Tuesday (2 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?

How often are flights from London to Iaşi delayed?

About 9% of weekly flights between London and Iaşi have experienced delays in the past year, with the average delay time being 148 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 evening tend to experience delays more often.

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

Tuesday 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 9% of flights being delayed.

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 10 May 2026.
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
916 reviews
Check prices

Crew

8.1

Comfort

7.3

Food

6.8

Boarding

7.6

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
916 reviews
Austrian Airlines
7.6
Good
916 reviews
Check prices

Crew

8.1

Comfort

7.3

Food

6.8

Boarding

7.6

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Wizz Air
6.8
Okay
427 reviews
Austrian Airlines
7.6
Good
916 reviews
Check prices

Crew

8.1

Comfort

7.3

Food

6.8

Boarding

7.6

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Related info for your journey

Find useful and relevant information for your journey from London 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?

    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 £87, Wizz Air can have you in Iaşi from London in 12h 45m. 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 £55, 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 65% 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 City - 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, March is the cheapest month in which you can book a flight from London to Iaşi (average of £34). Flying from London to Iaşi in July is currently the most expensive (average of £88). 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

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Fly from London to Iaşi on these airlines

Choose from the following airlines for your flight from London to Iaşi. Flights are based on user searches made on Cheapflights and were last updated on 10 May 2026.
Wizz Air flights from London to Iasi

Top 2 airlines flying from London to Iaşi

Discover the top 2 airlines that operate flights from London 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 10 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£55Average£181FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Austrian AirlinesCheapest£150Average£301FlexibilityNo 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 London to Iaşi?

Cheapflights makes it easy to find London to Iaşi flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Iaşi from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from London to Iaşi with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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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