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 10% 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 135 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 10% of their flights experiencing any sort of delay.

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

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

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.

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.

$53 Cheap Flights from London to Iaşi in 2025/26

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Find the cheapest flights from London to Iaşi

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7:25 pm - 3:20 pmLHR-IAS

17h 55m1 stop

4:05 pm - 9:40 pmIAS-LHR

7h 35m1 stop

$190Austrian Airlines

Find Deal

Sat, Jan 10 - Mon, Jan 19

7:40 am - 3:20 pmLHR-IAS

29h 40m2 stops

4:05 pm - 3:50 pmIAS-LHR

25h 45m2 stops

$229Lufthansa

Find Deal

Sat, Jan 10 - Mon, Jan 19

7:40 am - 3:20 pmLHR-IAS

29h 40m2 stops

4:05 pm - 6:35 pmIAS-LHR

28h 30m2 stops

$230Lufthansa

Find Deal

Sat, Jan 10 - Mon, Jan 19

6:00 am - 3:20 pmLHR-IAS

7h 20m1 stop

5:20 am - 8:20 amIAS-LHR

5h 00m1 stop

$246Austrian Airlines

Find Deal

Thu, Apr 9 - Mon, Apr 20

6:00 am - 3:20 pmLHR-IAS

7h 20m1 stop

4:05 pm - 9:40 pmIAS-LHR

7h 35m1 stop

$247Austrian Airlines

Find Deal

Wed, Dec 31 - Sun, Jan 11

6:00 am - 3:20 pmLHR-IAS

7h 20m1 stop

4:00 pm - 6:40 pmIAS-LHR

4h 40m1 stop

$248Austrian Airlines

Find Deal

Wed, Apr 8 - Sat, Apr 18

6:30 am - 3:20 pmLHR-IAS

6h 50m2 stops

4:05 pm - 1:00 pmIAS-LHR

22h 55m2 stops

$252Lufthansa

Find Deal

Mon, Jan 12 - Wed, Jan 21

8:40 am - 8:00 pmLCY-IAS

9h 20m2 stops

9:25 am - 5:20 pmIAS-LCY

9h 55m2 stops

$393KLM

Find Deal

Thu, Jan 8 - Thu, Jan 15

9:20 am - 11:30 pmLCY-IAS

12h 10m2 stops

5:25 am - 5:20 pmIAS-LCY

13h 55m2 stops

$434KLM

Find Deal

Mon, Feb 2 - Thu, Feb 5

10:00 am - 11:30 pmLCY-IAS

11h 30m2 stops

9:25 am - 8:10 amIAS-LCY

24h 45m2 stops

$435KLM

Find Deal

Mon, Feb 2 - Thu, Feb 5

KLM flights from London to Iaşi

Our best KLM deals on London to Iaşi flight tickets

KLM

Jan 8

LHR10:00 amLondon Heathrow

8h 00m

2 stops

IAS8:00 pmIasi

Jan 15

IAS9:25 amIasi

9h 35m

2 stops

LHR5:00 pmLondon Heathrow

$368

Find similar

KLM

Jan 8

LCY8:40 amLondon City

9h 20m

2 stops

IAS8:00 pmIasi

Jan 15

IAS9:25 amIasi

9h 55m

2 stops

LCY5:20 pmLondon City

$393

Find similar

KLM

Feb 1

LHR6:30 amLondon Heathrow

12h 00m

2 stops

IAS8:30 pmIasi

Feb 5

IAS2:00 pmIasi

19h 40m

2 stops

LHR7:40 amLondon Heathrow

$410

Find similar

Lufthansa flights from London to Iaşi

Our best Lufthansa deals on London to Iaşi flight tickets

Lufthansa

Jan 10

LHR7:40 amLondon Heathrow

29h 40m

2 stops

IAS3:20 pmIasi

Jan 19

IAS4:05 pmIasi

25h 45m

2 stops

LHR3:50 pmLondon Heathrow

$229

Find similar

Lufthansa

Jan 10

LHR7:40 amLondon Heathrow

29h 40m

2 stops

IAS3:20 pmIasi

Jan 19

IAS4:05 pmIasi

28h 30m

2 stops

LHR6:35 pmLondon Heathrow

$230

Find similar

Lufthansa

Jan 12

LHR6:30 amLondon Heathrow

6h 50m

2 stops

IAS3:20 pmIasi

Jan 21

IAS4:05 pmIasi

22h 55m

2 stops

LHR1:00 pmLondon Heathrow

$252

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 1/10

7:25 pm-3:20 pm

1 stop17h 55m

Iasi

Mon 1/19

4:05 pm-9:40 pm

1 stop7h 35m

$190

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 1/10

7:40 am-3:20 pm

2 stops29h 40m

Iasi

Mon 1/19

4:05 pm-3:50 pm

2 stops25h 45m

$229

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 1/10

7:40 am-3:20 pm

2 stops29h 40m

Iasi

Mon 1/19

4:05 pm-6:35 pm

2 stops28h 30m

$230

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Thu 4/9

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Mon 4/20

5:20 am-8:20 am

1 stop5h 00m

$246

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Wed 12/31

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Sun 1/11

4:05 pm-9:40 pm

1 stop7h 35m

$247

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Wed 4/8

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Sat 4/18

4:00 pm-6:40 pm

1 stop4h 40m

$248

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 1/12

6:30 am-3:20 pm

2 stops6h 50m

Iasi

Wed 1/21

4:05 pm-1:00 pm

2 stops22h 55m

$252

LondonIaşi

LCY - IAS

LCYIAS

London City

Thu 1/8

8:40 am-8:00 pm

2 stops9h 20m

Iasi

Thu 1/15

9:25 am-5:20 pm

2 stops9h 55m

$393

LondonIaşi

LCY - IAS

LCYIAS

London City

Mon 2/2

9:20 am-11:30 pm

2 stops12h 10m

Iasi

Thu 2/5

5:25 am-5:20 pm

2 stops13h 55m

$434

LondonIaşi

LCY - IAS

LCYIAS

London City

Mon 2/2

10:00 am-11:30 pm

2 stops11h 30m

Iasi

Thu 2/5

9:25 am-8:10 am

2 stops24h 45m

$435

Flights are sorted by cheapest round-trip flights first.

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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

Other information

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 $88. If you are unable to visit Iaşi during the month of January, then departing from London during the month November is also very affordable. Most momondo users find prices during this month for around $96.

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 $351.

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 $225.

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 Iasi flights?

There is only 1 cabin class available to choose from on London to Iasi 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 November 2025, prices for London to Iaşi flights are approximately 67% more expensive 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	$73
Fastest flight time	7h 20m
Direct flights	None

The best one-way flight to Iaşi from London in the past 72 hours is $73. The best round-trip flight deal from London to Iaşi found on momondo in the last 72 hours is $157.

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

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 6h 50m.
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 A320neo (61.80% of total bookings). The next most popular plane models are Airbus A320-100/200 (35.21%), Airbus A321-100/200 (1.23%), and Airbus A321neo (0.70%).
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 6.8 393 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 14 flights on this route every week with an average price of $185. 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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Cheap flights from London to Iaşi from $90

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 1/16. 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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Big names and deals

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Filter for what you want

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Find the cheapest flights from London to Iaşi

Cheap round-trip flights

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KLM flights from London to Iaşi

Our best KLM deals on London to Iaşi flight tickets

Lufthansa flights from London to Iaşi

Our best Lufthansa deals on London to Iaşi flight tickets

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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

What is the cheapest month to fly to Iaşi?

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 $351.

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

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 Iasi flights?

There is only 1 cabin class available to choose from on London to Iasi 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 November 2025, prices for London to Iaşi flights are approximately 67% more expensive when compared to flights at the same time last year.

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 10% 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 135 minutes.

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

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

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.

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 10% of their flights experiencing any sort of delay.

When to book flights from London to Iaşi

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

Fastest flight time

Direct flights

How far is London to Iasi by plane?

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

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

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

What is the most popular plane model from London to Iaşi?

What is the most popular airline 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

Wizz Air Flights From London to Iaşi

Why use momondo?

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

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

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

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

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