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Cheap flights from London to Iaşi from £41

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAS
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Iasi are usually found in January or March, booked 74 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 23 December 2025.

Sat 27/1221:05LTN - IAS
Nonstop3h 15mWizz Air
Tue 30/1218:50IAS - LTN
Nonstop3h 35mWizz Air
Deal found 22/12£119
Sat 27/1219:25LHR - IAS
1 stop17h 55mAustrian Airlines
Wed 7/116:05IAS - LHR
1 stop7h 35mAustrian Airlines
Deal found 21/12£175
Sat 27/1221:05LTN - IAS
Nonstop3h 15mMultiple Airlines
Tue 30/1221:35IAS - LTN
1 stop5h 55mMultiple Airlines
Deal found 22/12£176
Fri 26/1206:00LHR - IAS
1 stop7h 20mAustrian Airlines
Wed 7/116:05IAS - LHR
1 stop7h 35mAustrian Airlines
Deal found 21/12£181
Wed 24/1214:50LHR - IAS
1 stop22h 30mAustrian Airlines
Wed 7/116:05IAS - LHR
1 stop7h 35mAustrian Airlines
Deal found 21/12£203
Wed 31/1218:25STN - IAS
1 stop13h 30mRyanair
Sun 4/123:25IAS - STN
1 stop9h 35mRyanair
Deal found 22/12£209
Tue 30/1221:05LTN - IAS
Nonstop3h 15mWizz Air
Fri 2/106:55IAS - LTN
Nonstop3h 35mWizz Air
Deal found 21/12£211
Tue 30/1221:40STN - IAS
1 stop24h 40mMultiple Airlines
Tue 6/115:25IAS - STN
1 stop17h 35mMultiple Airlines
Deal found 21/12£230
Wed 31/1217:45STN - IAS
2 stops16h 45mMultiple Airlines
Sun 4/123:25IAS - STN
1 stop9h 35mMultiple Airlines
Deal found 22/12£231
Wed 31/1219:45LGW - IAS
1 stop12h 10mMultiple Airlines
Sun 4/123:25IAS - LGW
2 stops13h 55mMultiple Airlines
Deal found 22/12£232
Wed 31/1221:05LTN - IAS
Nonstop3h 15mMultiple Airlines
Sun 4/123:25IAS - LTN
2 stops21h 15mMultiple Airlines
Deal found 22/12£247
Wed 31/1209:10LTN - IAS
Nonstop3h 15mWizz Air
Sun 4/120:10IAS - LTN
1 stop20h 05mWizz Air
Deal found 22/12£249

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 23 December 2025.

Round-trip from

£63

One-way from

£41

Popular in

December

Cheapest in

January

Average price

£351

Good round-trip deal

£129 or less

Good one-way deal

£110 or less
Wizz Air
  • Wizz Air
  • 7/1-16/1
  • Nonstop
  • 6h 50m total
  • London to Iaşi
Search Deals
Wizz Air
  • Wizz Air
  • 2/1
  • Nonstop
  • 3h 15m total
  • London to Iaşi
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 23 December 2025.
Use the filters below to find and compare flights from London to Iaşi that are best for you.

Fly from

London

Fly to

Iaşi

Route

Depart

Return

Price

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sat 10/1

21:05-02:20

Nonstop3h 15m

Iasi

Mon 19/1

06:00-14:15

1 stop10h 15m

£63

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Fri 16/1

09:10-14:25

Nonstop3h 15m

Iasi

Fri 16/1

18:50-20:25

Nonstop3h 35m

£63

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sun 18/1

06:55-19:00

1 stop10h 05m

Iasi

Fri 23/1

06:55-08:30

Nonstop3h 35m

£67

LondonIaşi

STN - IAS

STNIAS

London Stansted

Sat 10/1

19:10-12:45

1 stop15h 35m

Iasi

Mon 19/1

13:35-22:20

1 stop10h 45m

£71

LondonIaşi

STN - IAS

STNIAS

London Stansted

Sat 17/1

22:10-11:25

1 stop11h 15m

Iasi

Fri 23/1

13:55-20:30

1 stop8h 35m

£76

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Mon 12/1

09:15-17:50

1 stop6h 35m

Iasi

Wed 21/1

18:50-20:25

Nonstop3h 35m

£76

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sun 11/1

20:50-11:25

1 stop12h 35m

Iasi

Tue 20/1

06:55-08:30

Nonstop3h 35m

£77

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sun 11/1

09:35-00:20

1 stop12h 45m

Iasi

Tue 20/1

06:55-08:30

Nonstop3h 35m

£79

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Wed 7/1

20:50-11:25

1 stop12h 35m

Iasi

Fri 16/1

18:50-20:25

Nonstop3h 35m

£80

LondonIaşi

LTN - IAS

LTNIAS

London Luton

Sat 17/1

23:35-00:20

2 stops22h 45m

Iasi

Fri 23/1

06:55-08:30

Nonstop3h 35m

£82

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Showing 1-10 of 60 results
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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
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 19 December 2025.

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 74 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 £140). 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 23 December 2025.

One of the essential ways to save on airfare from London to Iaşi is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 31% on airfare.

What is the cheapest day to fly from London to Iaşi?

Use this chart to determine the cheapest time to fly return from London to Iaşi. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Iaşi flight should consider departing on Thursday at midday when fares are most often at their lowest. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 23 December 2025.

The most flights from LON to IAS are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 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 10% of weekly flights between London and Iaşi have experienced delays in the past year, with the average delay time being 133 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night 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 Sunday 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 10% 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 23 December 2025.
Read through reviews of airlines operating flights from London to Iaşi, such as Austrian Airlines, Wizz Air, andWizz Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
880 reviews
Check prices

Entertainment

6.8

Food

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
880 reviews
Austrian Airlines
7.6
Good
880 reviews
Check prices

Entertainment

6.8

Food

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Wizz Air
6.8
Okay
395 reviews
Austrian Airlines
7.6
Good
880 reviews
Check prices

Entertainment

6.8

Food

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Wizz Air
6.8
Okay
1,070 reviews
Austrian Airlines
7.6
Good
880 reviews
Check prices

Entertainment

6.8

Food

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

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 2 daily inbound flights from London from 3 different airlines.

  • How long is the flight from London to Iaşi?

    For as low as £63, 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 £25, 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. Search Cheapflights for deals from Wizz Air and Austrian Airlines - these airlines can fly you to your destination from £59 and £182, respectively. Wizz Air is priced at 84% 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 Gatwick - Iasi or London Luton - Iasi, London Heathrow - 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 £140). 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 23 December 2025.
Wizz Air flights from London to Iasi
Wizz Air flights from London to Iasi

Top 3 airlines flying from London to Iaşi

Discover the top 3 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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£25Average£125FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Wizz AirCheapest£60Average£185FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Austrian AirlinesCheapest£182Average£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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