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Cheap flights from London to Iaşi from £37

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAS
27 Apr — 4 May1
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 Thursday or Monday 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 28 March 2026.

Wed 13/505:55
STN
-
IAS
1 stop10h 05m
Ryanair
Wed 20/518:25
IAS
-
STN
1 stop7h 20m
Ryanair
Deal found 26/3£67
Sun 10/511:40
STN
-
IAS
1 stop27h 40m
Ryanair
Sat 16/513:20
IAS
-
STN
1 stop8h 40m
Ryanair
Deal found 27/3£73
Fri 24/422:00
STN
-
IAS
1 stop12h 55m
Ryanair
Fri 1/523:10
IAS
-
STN
1 stop10h 50m
Ryanair
Deal found 27/3£74
Tue 6/1008:15
LTN
-
IAS
Nonstop3h 15m
Wizz Air
Sun 11/1006:10
IAS
-
LTN
Nonstop3h 20m
Wizz Air
Deal found 27/3£77
Wed 29/405:55
STN
-
IAS
1 stop10h 05m
Ryanair
Fri 1/523:10
IAS
-
STN
1 stop10h 50m
Ryanair
Deal found 27/3£77
Mon 11/505:55
STN
-
IAS
1 stop9h 25m
Multiple Airlines
Mon 18/506:00
IAS
-
STN
1 stop6h 20m
Multiple Airlines
Deal found 27/3£79
Sun 10/506:00
STN
-
IAS
1 stop9h 25m
Multiple Airlines
Sun 17/506:00
IAS
-
STN
1 stop6h 25m
Multiple Airlines
Deal found 26/3£80
Wed 22/405:55
STN
-
IAS
1 stop10h 05m
Multiple Airlines
Wed 29/406:00
IAS
-
STN
1 stop6h 20m
Multiple Airlines
Deal found 25/3£83
Mon 20/405:55
STN
-
IAS
1 stop9h 25m
Ryanair
Tue 28/421:45
IAS
-
STN
1 stop14h 35m
Ryanair
Deal found 26/3£84
Mon 27/407:55
STN
-
IAS
1 stop7h 25m
Ryanair
Wed 6/518:25
IAS
-
STN
1 stop7h 20m
Ryanair
Deal found 26/3£85
Wed 29/408:15
LTN
-
IAS
Nonstop3h 15m
Wizz Air
Wed 13/519:00
IAS
-
LTN
1 stop21h 25m
Wizz Air
Deal found 23/3£86
Mon 27/408:15
LTN
-
IAS
Nonstop3h 15m
Wizz Air
Wed 6/506:10
IAS
-
LTN
Nonstop3h 20m
Wizz Air
Deal found 23/3£86

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 28 March 2026.

Round-trip from

£67

One-way from

£37

Popular in

December

Cheapest in

January

Average price

£106

Good round-trip deal

£106 or less

Good one-way deal

£54 or less
Ryanair
  • Ryanair
  • 13/5-20/5
  • 2 total stops
  • 17h 25m total
  • London to Iaşi
Search Deals
28/4
  • 28/4
  • 1 total stop
  • 6h 20m total
  • London to Iaşi
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 28 March 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
Fastest return journey

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sat 9/5

20:55-02:10

Nonstop3h 15m

Iasi

Sat 16/5

06:10-07:30

Nonstop3h 20m

£77

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Mon 20/4

08:15-13:30

Nonstop3h 15m

Iasi

Tue 28/4

06:10-07:30

Nonstop3h 20m

£89

LondonIaşi

STN - IAS

STNIAS

London Stansted

Mon 20/4

16:55-21:20

2 stops26h 25m

Iasi

Tue 28/4

21:45-10:20

1 stop14h 35m

£89

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Mon 27/4

08:15-13:30

Nonstop3h 15m

Iasi

Wed 6/5

18:50-04:55

2 stops12h 05m

£91

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Tue 9/6

20:55-02:10

Nonstop3h 15m

Iasi

Sun 14/6

06:10-07:30

Nonstop3h 20m

£95

LondonIaşi

STN - IAS

STNIAS

London Stansted

Wed 22/4

06:35-23:55

1 stop15h 20m

Iasi

Wed 29/4

14:35-07:50

2 stops19h 15m

£100

LondonIaşi

STN - IAS

STNIAS

London Stansted

Sat 9/5

20:30-17:25

1 stop18h 55m

Iasi

Sat 16/5

13:20-17:40

1 stop6h 20m

£101

LondonIaşi

STN - IAS

STNIAS

London Stansted

Mon 27/4

14:55-19:35

2 stops26h 40m

Iasi

Wed 6/5

06:00-18:55

1 stop14h 55m

£107

LondonIaşi

STN - IAS

STNIAS

London Stansted

Fri 8/5

12:20-22:45

1 stop8h 25m

Iasi

Fri 15/5

23:10-16:00

1 stop18h 50m

£109

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sun 10/5

08:15-13:30

Nonstop3h 15m

Iasi

Sat 16/5

06:10-07:30

Nonstop3h 20m

£110

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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?

Use this chart to determine the optimal time to book a return flight from London to Iaşi. Price data was last updated on 13 March 2026.

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 46 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 £22). Flying from London to Iaşi in August is currently the most expensive (average of £141). 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 28 March 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.

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

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 evening 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.

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 28 March 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
903 reviews
Check prices

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Entertainment

6.8

Crew

8.1

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
903 reviews
Austrian Airlines
7.6
Good
903 reviews
Check prices

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Entertainment

6.8

Crew

8.1

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
418 reviews
Austrian Airlines
7.6
Good
903 reviews
Check prices

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Entertainment

6.8

Crew

8.1

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 are 0 daily inbound flights from London from 2 different airlines.

  • How long is the flight from London to Iaşi?

    For as low as £77, 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 £56, 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 £154. Wizz Air is priced at 66% 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, March is the cheapest month in which you can book a flight from London to Iaşi (average of £22). Flying from London to Iaşi in August is currently the most expensive (average of £141). 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 28 March 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 28 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£56Average£187FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Austrian AirlinesCheapest£154Average£309FlexibilityNo 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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