What is the cheapest airline that flies from London to Iasi?

Austrian Airlines, Lufthansa, and KLM are the most popular carriers operating from London to Iasi

How often are flights from London to Iaşi delayed?

Historically, on average around 8% of flights between London and Iaşi have experienced a delay on any given week. The average delay length over the past 12 months has been 145 minutes.

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

According to our data, Wizz Air have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

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

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

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

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

When did momondo last update prices for flights from London to Iasi Airport?

Prices for flights from London to Iasi Airport are refreshed on a daily basis.

How old do you have to be to fly from London to Iasi Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Iasi Airport.

What documentation or ID do you need to fly to Iasi Airport?

The travel and health documents you'll need for your trip to Iasi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iasi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$171 Cheap Flights from London to Iaşi in 2026

Find the cheapest flights from London to Iaşi

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 1:20 amLHR London Heathrow-IAS Iasi

17h 20m1 stop Vienna Intl

4:00 pm - 8:20 amIAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

$233Austrian Airlines

Thu, Oct 15 - Mon, Oct 19

6:00 am - 1:20 amLHR London Heathrow-IAS Iasi

17h 20m1 stop Vienna Intl

5:20 am - 8:20 amIAS Iasi-LHR London Heathrow

5h 00m1 stop Vienna Intl

$234Austrian Airlines

Thu, Oct 1 - Wed, Oct 7

6:00 am - 3:20 pmLHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

4:05 pm - 9:40 pmIAS Iasi-LHR London Heathrow

7h 35m1 stop Vienna Intl

$239Austrian Airlines

Thu, Dec 3 - Wed, Dec 9

7:30 pm - 3:20 pmLHR London Heathrow-IAS Iasi

17h 50m1 stop Vienna Intl

4:00 pm - 8:20 amIAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

$251Austrian Airlines

Mon, Oct 5 - Wed, Oct 14

6:00 am - 1:20 amLHR London Heathrow-IAS Iasi

17h 20m1 stop Vienna Intl

5:20 am - 9:40 pmIAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

$252Austrian Airlines

Sun, Sep 20 - Wed, Sep 23

6:00 am - 3:20 pmLHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

4:05 pm - 10:55 pmIAS Iasi-LHR London Heathrow

8h 50m2 stops Vienna Intl Munich Franz Josef Strauss

$257Multiple Airlines

Thu, Dec 3 - Wed, Dec 9

6:00 am - 3:20 pmLHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

4:00 pm - 8:20 amIAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

$267Austrian Airlines

Fri, Sep 4 - Tue, Sep 8

6:00 am - 3:20 pmLHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

4:00 pm - 8:20 amIAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

$271Austrian Airlines

Thu, Oct 15 - Sun, Oct 18

6:00 am - 3:20 pmLHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

5:20 am - 8:20 amIAS Iasi-LHR London Heathrow

5h 00m1 stop Vienna Intl

$277Austrian Airlines

Wed, Sep 23 - Mon, Sep 28

7:25 am - 1:20 amLHR London Heathrow-IAS Iasi

15h 55m2 stops Munich Franz Josef Strauss Vienna Intl

5:20 am - 4:40 pmIAS Iasi-LHR London Heathrow

13h 20m2 stops Vienna Intl Frankfurt am Main

$278Lufthansa

Thu, Oct 8 - Mon, Oct 12

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 1:20 amLHR London Heathrow-IAS Iasi

17h 20m1 stop Vienna Intl

4:00 pm - 8:20 amIAS Iasi-LHR London Heathrow

18h 20m1 stop Vienna Intl

$291Austrian Airlines

Sun, Aug 30 - Tue, Sep 8

6:00 am - 3:20 pmLHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

4:00 pm - 9:40 pmIAS Iasi-LHR London Heathrow

7h 40m1 stop Vienna Intl

$332Austrian Airlines

Thu, Aug 27 - Thu, Sep 10

8:30 am - 1:20 amLHR London Heathrow-IAS Iasi

14h 50m2 stops Frankfurt am Main Vienna Intl

4:00 pm - 5:40 pmIAS Iasi-LHR London Heathrow

27h 40m2 stops Vienna Intl Frankfurt am Main

$371Lufthansa

Sun, Aug 30 - Tue, Sep 8

6:00 am - 3:20 pmLHR London Heathrow-IAS Iasi

7h 20m1 stop Vienna Intl

5:20 am - 8:20 amIAS Iasi-LHR London Heathrow

5h 00m1 stop Vienna Intl

$485Austrian Airlines

Fri, Aug 28 - Wed, Sep 2

7:45 am - 7:30 pmLCY London City-IAS Iasi

9h 45m2 stops Amsterdam Schiphol Bucharest Otopeni Intl

1:55 pm - 7:55 amIAS Iasi-LCY London City

20h 00m2 stops Bucharest Otopeni Intl Amsterdam Schiphol

$779KLM

Sat, Aug 29 - Sun, Sep 6

7:45 am - 7:30 pmLCY London City-IAS Iasi

9h 45m2 stops Amsterdam Schiphol Bucharest Otopeni Intl

1:55 pm - 7:55 amIAS Iasi-LCY London City

20h 00m2 stops Bucharest Otopeni Intl Amsterdam Schiphol

$846KLM

Sat, Aug 29 - Sun, Sep 6

7:45 am - 7:30 pmLCY London City-IAS Iasi

9h 45m2 stops Amsterdam Schiphol Bucharest Otopeni Intl

9:15 am - 6:30 pmIAS Iasi-LCY London City

11h 15m2 stops Bucharest Otopeni Intl Amsterdam Schiphol

$975KLM

Sat, Aug 29 - Thu, Sep 3

7:45 am - 7:30 pmLCY London City-IAS Iasi

9h 45m2 stops Amsterdam Schiphol Bucharest Otopeni Intl

9:15 am - 7:45 pmIAS Iasi-LCY London City

12h 30m2 stops Bucharest Otopeni Intl Amsterdam Schiphol

$976KLM

Sat, Aug 29 - Thu, Sep 3

7:45 am - 7:30 pmLCY London City-IAS Iasi

9h 45m2 stops Amsterdam Schiphol Bucharest Otopeni Intl

8:55 am - 5:20 pmIAS Iasi-LCY London City

10h 25m2 stops Bucharest Otopeni Intl Amsterdam Schiphol

$1,235KLM

Sat, Aug 29 - Wed, Sep 2

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Lufthansa flights from London to Iaşi

Our best Lufthansa deals on London to Iaşi flight tickets

Lufthansa

Oct 8

LHR7:25 amLondon Heathrow

15h 55m

2 stops

IAS1:20 amIasi

Oct 12

IAS5:20 amIasi

13h 20m

2 stops

LHR4:40 pmLondon Heathrow

$278

Lufthansa

Oct 5

LHR5:50 pmLondon Heathrow

19h 30m

2 stops

IAS3:20 pmIasi

Oct 14

IAS5:20 amIasi

15h 05m

2 stops

LHR6:25 pmLondon Heathrow

$279

Lufthansa

Dec 3

LHR6:30 amLondon Heathrow

6h 50m

2 stops

IAS3:20 pmIasi

Dec 9

IAS4:05 pmIasi

8h 50m

2 stops

LHR10:55 pmLondon Heathrow

$282

Austrian Airlines flights from London to Iaşi

Our best Austrian Airlines deals on London to Iaşi flight tickets

Austrian Airlines

Oct 15

LHR6:00 amLondon Heathrow

17h 20m

1 stop

IAS1:20 amIasi

Oct 19

IAS4:00 pmIasi

18h 20m

1 stop

LHR8:20 amLondon Heathrow

$233

Austrian Airlines

Oct 1

LHR6:00 amLondon Heathrow

17h 20m

1 stop

IAS1:20 amIasi

Oct 7

IAS5:20 amIasi

5h 00m

1 stop

LHR8:20 amLondon Heathrow

$234

Austrian Airlines

Dec 3

LHR6:00 amLondon Heathrow

7h 20m

1 stop

IAS3:20 pmIasi

Dec 9

IAS4:05 pmIasi

7h 35m

1 stop

LHR9:40 pmLondon Heathrow

$239

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 10/15

6:00 am-1:20 am

1 stop17h 20m

Iasi

Mon 10/19

4:00 pm-8:20 am

1 stop18h 20m

$233

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 10/1

6:00 am-1:20 am

1 stop17h 20m

Iasi

Wed 10/7

5:20 am-8:20 am

1 stop5h 00m

$234

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 12/3

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Wed 12/9

4:05 pm-9:40 pm

1 stop7h 35m

$239

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Mon 10/5

7:30 pm-3:20 pm

1 stop17h 50m

Iasi

Wed 10/14

4:00 pm-8:20 am

1 stop18h 20m

$251

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Sun 9/20

6:00 am-1:20 am

1 stop17h 20m

Iasi

Wed 9/23

5:20 am-9:40 pm

1 stop18h 20m

$252

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 12/3

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Wed 12/9

4:05 pm-10:55 pm

2 stops8h 50m

$257

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Fri 9/4

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Tue 9/8

4:00 pm-8:20 am

1 stop18h 20m

$267

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 10/15

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Sun 10/18

4:00 pm-8:20 am

1 stop18h 20m

$271

Quickest round-trip

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Wed 9/23

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Mon 9/28

5:20 am-8:20 am

1 stop5h 00m

$277

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 10/8

7:25 am-1:20 am

2 stops15h 55m

Iasi

Mon 10/12

5:20 am-4:40 pm

2 stops13h 20m

$278

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Iaşi

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

What is the typical price of a round-trip flight between London and Iaşi?

Prices are currently low for flights on this route.

Typical prices usually range from $250 to $385.
The lowest price recently found on this route was $233.

What is the cheapest month to fly to Iaşi?

In general, January is the cheapest month to fly from London to Iaşi. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $123. If you are unable to visit Iaşi during the month of January, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around $164.

What is the cheapest day to depart on your flight to Iaşi?

The cheapest day to depart on your flight to Iaşi is on a Tuesday when prices can be found for as low as $145. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Iaşi is Saturday, with ticket prices averaging around $371.

What is the cheapest time of day to depart on your flight to Iaşi?

According to our data, the cheapest time of day to fly to Iaşi is in the evening. momondo users have found flights departing from London to Iaşi in the evening for as low as $166. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Iaşi is in the morning when prices are around $207.

What is the cheapest London to Iasi flight route?

Fly from London Luton to Iasi for the best London - Iasi flight prices

What cabin class options are available on London to Iaşi flights?

There is only 1 cabin class available to choose from on London to Iaşi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Iaşi flights?

No. A direct flight is the cheapest option for a flight between London to Iaşi.

How have London to Iaşi flight prices changed over time?

As of August 2026, prices for London to Iaşi flights are approximately 40% cheaper when compared to flights at the same time last year.

When to book flights from London to Iaşi

Are you open to changing your travel dates? Check out the ideal times to fly from London to Iaşi according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London to Iaşi (LON to IAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Iaşi

Best Price Found	$171
Fastest flight time	7h 20m
Direct flights	None

The best one-way flight to Iaşi from London in the past 72 hours is $171. The best round-trip flight deal from London to Iaşi found on momondo in the last 72 hours is $233.

The fastest flight from London to Iaşi takes 7h 20m

There are no direct flights from London to Iaşi. There are no popular flight routes from London to Iaşi.

Search flight deals

Frequently asked questions about flying from London to Iaşi

How far is London to Iasi by plane?
The distance between London and Iasi is about 1274.5 mi. By plane, this route typically takes 7h 20m.
When did momondo last update prices for flights from London to Iasi Airport?
Prices for flights from London to Iasi Airport are refreshed on a daily basis.
How old do you have to be to fly from London to Iasi Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Iasi Airport.
What documentation or ID do you need to fly to Iasi Airport?
The travel and health documents you'll need for your trip to Iasi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iasi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Iaşi?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Iaşi is Airbus A320-100/200 (91.91% of total bookings). The next most popular plane models are Airbus A321neo (5.74%), Airbus A321-100/200 (0.43%), and Boeing 737-800 Passenger/BBJ2 (winglets) (0.43%).
What is the most popular airline from London to Iaşi?
momondo data reveals that the most frequently booked airline on the route from London to Iaşi is Wizz Air, representing 100% of all bookings.

Best airlines flying from London to Iaşi

Compare and see reviews for airlines that fly from London to Iaşi with momondo

Airline	Rating	Free Cancellation	Price
Wizz Air	PriceFrom $107	Free Cancellation	Rating 6.8 458 reviews		Search Wizz Air flights

Wizz Air Flights From London to Iaşi
The lowest priced Wizz Air flight from London to Iaşi from the last 72 hours was $107. Generally, Wizz Air has 7 flights on this route every week with an average price of $232. Wizz Air is rated 6.8/10 by our users.

Why use momondo?

Why should I use momondo to find a flight deal from London to Iaşi?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Iaşi from London.

Can I find flights from London to Iaşi with flexible booking policies on momondo?

Yes. All flights to Iaşi from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Iaşi?

Once you have performed a search for London to Iaşi flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Iaşi right now. Can momondo alert me if prices change?

Price alerts on flights to Iaşi from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Iaşi trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Romania

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Constanţa Mihail Kogalniceanu Airport

Oradea Airport

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Timisoara Airport

Cheap flights from London to Iaşi from $171

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Iaşi departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Lufthansa flights from London to Iaşi

Our best Lufthansa deals on London to Iaşi flight tickets

Austrian Airlines flights from London to Iaşi

Our best Austrian Airlines deals on London to Iaşi flight tickets

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How to get the cheapest flight ticket from London to Iaşi

What is the typical price of a round-trip flight between London and Iaşi?

What is the cheapest month to fly to Iaşi?

What is the cheapest day to depart on your flight to Iaşi?

What is the cheapest time of day to depart on your flight to Iaşi?

What is the cheapest London to Iasi flight route?

What cabin class options are available on London to Iaşi flights?

Can stopping save me money on London to Iaşi flights?

How have London to Iaşi flight prices changed over time?

What is the cheapest airline that flies from London to Iasi?

How often are flights from London to Iaşi delayed?

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

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

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

When to book flights from London to Iaşi

Cheap London to Iaşi (LON to IAS) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from London to Iaşi

Best airlines flying from London to Iaşi

Compare and see reviews for airlines that fly from London to Iaşi with momondo

Why use momondo?

An easier way to manage your Iaşi trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Romania

Airports servicing Romania

Cabin classes currently available on flights to Iaşi

List of cabin classes available on flights landing in Iaşi. Availability may vary depending on flight origin and airline.

Popular cities in Romania

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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