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

Tuesday 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 cheapest airline that flies from London to Iasi?

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

How often are flights from London to Iaşi delayed?

Historically, on average around 9% 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 144 minutes.

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.

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 9% of their flights experiencing any sort of delay.

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.

$60 Cheap Flights from London to Iaşi in 2026

Find the cheapest flights from London to Iaşi

Round-trip

One-way

Last minute

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

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

18h 20m1 stop Vienna Intl

$231Austrian Airlines

Thu, Sep 24 - Wed, Sep 30

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

$238Austrian Airlines

Wed, Sep 23 - Wed, Sep 30

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

$268Austrian Airlines

Sun, Sep 20 - Sat, Sep 26

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

$273Austrian Airlines

Thu, Sep 24 - Thu, Oct 1

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

7h 20m1 stop Vienna Intl

4:00 pm - 6:40 pmIAS Iasi-LHR London Heathrow

4h 40m1 stop Vienna Intl

$278Austrian Airlines

Fri, Oct 9 - Tue, Oct 13

8:25 pm - 1:20 amLHR London Heathrow-IAS Iasi

26h 55m2 stops Munich Franz Josef Strauss Vienna Intl

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

18h 20m1 stop Vienna Intl

$295Multiple Airlines

Wed, Sep 16 - Mon, Sep 21

9:30 am - 1:20 amLHR London Heathrow-IAS Iasi

13h 50m2 stops Frankfurt am Main Vienna Intl

5:20 am - 2:40 pmIAS Iasi-LHR London Heathrow

11h 20m2 stops Vienna Intl Frankfurt am Main

$296Lufthansa

Thu, Sep 24 - Wed, Sep 30

9:05 am - 1:20 amLHR London Heathrow-IAS Iasi

14h 15m1 stop Vienna Intl

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

5h 00m1 stop Vienna Intl

$298Austrian Airlines

Thu, Sep 17 - Mon, Sep 28

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

$307Austrian Airlines

Sun, Oct 4 - Mon, Oct 26

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

$318Austrian Airlines

Thu, Sep 24 - Mon, Sep 28

Cheap last minute flights

Enter your travel dates to find the best prices.

9:05 am - 1:20 amLHR London Heathrow-IAS Iasi

14h 15m1 stop Vienna Intl

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

5h 00m1 stop Vienna Intl

$500Austrian Airlines

Thu, Aug 13 - Mon, Aug 17

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

$526Austrian Airlines

Thu, Aug 13 - Sat, Aug 22

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

$588Austrian Airlines

Sat, Aug 15 - Sat, Aug 22

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

$608Austrian Airlines

Sat, Aug 15 - Tue, Aug 25

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

$661Austrian Airlines

Fri, Aug 14 - Fri, Aug 21

11:45 am - 7:25 amLHR London Heathrow-IAS Iasi

17h 40m2 stops Amsterdam Schiphol Bucharest Otopeni Intl

2:25 pm - 9:00 amIAS Iasi-LHR London Heathrow

20h 35m2 stops Bucharest Otopeni Intl Amsterdam Schiphol

$745KLM

Thu, Aug 13 - Thu, Aug 20

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

$764Austrian Airlines

Fri, Aug 14 - Mon, Aug 31

8:55 pm - 7:30 pmLHR London Heathrow-IAS Iasi

20h 35m2 stops Amsterdam Schiphol Bucharest Otopeni Intl

2:25 pm - 10:45 amIAS Iasi-LHR London Heathrow

22h 20m2 stops Bucharest Otopeni Intl Amsterdam Schiphol

$904KLM

Fri, Aug 14 - Thu, Aug 20

5:50 pm - 7:25 amLCY London City-IAS Iasi

11h 35m2 stops Amsterdam Schiphol Bucharest Otopeni Intl

2:25 pm - 7:15 amIAS Iasi-LCY London City

18h 50m2 stops Bucharest Otopeni Intl Amsterdam Schiphol

$924KLM

Thu, Aug 13 - Thu, Aug 20

8:15 pm - 7:30 pmLCY London City-IAS Iasi

21h 15m2 stops Amsterdam Schiphol Bucharest Otopeni Intl

7:50 am - 7:15 amIAS Iasi-LCY London City

25h 25m2 stops Bucharest Otopeni Intl Amsterdam Schiphol

$969KLM

Fri, Aug 14 - Fri, Aug 21

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Austrian Airlines flights from London to Iaşi

Our best Austrian Airlines deals on London to Iaşi flight tickets

Austrian Airlines

Sep 24

LHR6:00 amLondon Heathrow

17h 20m

1 stop

IAS1:20 amIasi

Sep 30

IAS5:20 amIasi

18h 20m

1 stop

LHR9:40 pmLondon Heathrow

$231

Austrian Airlines

Sep 23

LHR6:00 amLondon Heathrow

7h 20m

1 stop

IAS3:20 pmIasi

Sep 30

IAS5:20 amIasi

5h 00m

1 stop

LHR8:20 amLondon Heathrow

$238

Austrian Airlines

Sep 20

LHR6:00 amLondon Heathrow

17h 20m

1 stop

IAS1:20 amIasi

Sep 26

IAS4:00 pmIasi

18h 20m

1 stop

LHR8:20 amLondon Heathrow

$268

Lufthansa flights from London to Iaşi

Our best Lufthansa deals on London to Iaşi flight tickets

Lufthansa

Sep 24

LHR9:30 amLondon Heathrow

13h 50m

2 stops

IAS1:20 amIasi

Sep 30

IAS5:20 amIasi

11h 20m

2 stops

LHR2:40 pmLondon Heathrow

$296

Lufthansa

Oct 1

LHR9:30 amLondon Heathrow

13h 50m

2 stops

IAS1:20 amIasi

Oct 8

IAS4:00 pmIasi

19h 55m

2 stops

LHR9:55 amLondon Heathrow

$335

Lufthansa

Sep 20

LHR7:30 amLondon Heathrow

15h 50m

2 stops

IAS1:20 amIasi

Sep 26

IAS4:00 pmIasi

8h 10m

2 stops

LHR10:10 pmLondon Heathrow

$342

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 9/24

6:00 am-1:20 am

1 stop17h 20m

Iasi

Wed 9/30

5:20 am-9:40 pm

1 stop18h 20m

$231

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Wed 9/23

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Wed 9/30

5:20 am-8:20 am

1 stop5h 00m

$238

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Sun 9/20

6:00 am-1:20 am

1 stop17h 20m

Iasi

Sat 9/26

4:00 pm-8:20 am

1 stop18h 20m

$268

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 9/24

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Thu 10/1

4:00 pm-9:40 pm

1 stop7h 40m

$273

Quickest round-trip

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Fri 10/9

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Tue 10/13

4:00 pm-6:40 pm

1 stop4h 40m

$278

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Wed 9/16

8:25 pm-1:20 am

2 stops26h 55m

Iasi

Mon 9/21

4:00 pm-8:20 am

1 stop18h 20m

$295

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 9/24

9:30 am-1:20 am

2 stops13h 50m

Iasi

Wed 9/30

5:20 am-2:40 pm

2 stops11h 20m

$296

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 9/17

9:05 am-1:20 am

1 stop14h 15m

Iasi

Mon 9/28

5:20 am-8:20 am

1 stop5h 00m

$298

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Sun 10/4

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Mon 10/26

4:05 pm-9:40 pm

1 stop7h 35m

$307

LondonIaşi

LHR London Heathrow - IAS Iasi

LHRIAS

London Heathrow

Thu 9/24

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Mon 9/28

5:20 am-8:20 am

1 stop5h 00m

$318

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 $357 to $521.
The lowest price recently found on this route was $231.

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 $163.

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 Thursday when prices can be found for as low as $157. 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 $171. 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 $205.

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?

You could potentially save up to 1% on your flight if you consider stops on a London to Iaşi flight.

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	$276
Fastest flight time	7h 20m
Direct flights	None

The best one-way flight to Iaşi from London in the past 72 hours is $276. The best round-trip flight deal from London to Iaşi found on momondo in the last 72 hours is $446.

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 (92.98% of total bookings). The next most popular plane models are Airbus A321neo (4.68%), Airbus A319 (0.39%), and Airbus A321-100/200 (0.39%).
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 $101	Free Cancellation	Rating 6.8 456 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 $101. Generally, Wizz Air has 9 flights on this route every week with an average price of $205. 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 9/11

Fri 9/18

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Romania

Nearby airports

Cabin classes

Other Romania destinations

Other flights from London

Complete your trip

Feeling lucky

Airports servicing Romania

Constanţa Mihail Kogalniceanu Airport

Oradea Airport

Sibiu Airport

Suceava Salcea Airport

Satu Mare Airport

Tirgu Mures Airport

Timisoara Airport

Cheap flights from London to Iaşi from $122

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 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from London to Iaşi

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Austrian Airlines flights from London to Iaşi

Our best Austrian Airlines deals on London to Iaşi flight tickets

Lufthansa flights from London to Iaşi

Our best Lufthansa deals on London to Iaşi flight tickets

momondo Fare Finder

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

See travel insights to Iaşi from

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

Fly to other destinations from London

According to popular flight searches on momondo this year

Complete your trip to Iaşi

Explore popular destinations other users love

According to popular flight searches on momondo this year