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.

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 133 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.

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.

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

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

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

Prices are currently typical for flights on this route. Typical prices usually range from $109 to $233. The lowest price recently found on this route was $194.

1 adult

0 bags

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

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 - 3:20 pm

LHR

IAS

7h 20m

1 stop

4:05 pm - 8:20 am

IAS

LHR

18h 15m

1 stop

$194Austrian Airlines

Mon, Mar 2 - Sun, Mar 8

6:00 am - 3:20 pm

LHR

IAS

7h 20m

1 stop

4:05 pm - 8:20 am

IAS

LHR

18h 15m

1 stop

$195Austrian Airlines

Mon, Mar 9 - Sun, Mar 15

6:00 am - 3:20 pm

LHR

IAS

7h 20m

1 stop

4:00 pm - 9:40 pm

IAS

LHR

7h 40m

1 stop

$197Austrian Airlines

Sun, Apr 26 - Tue, Apr 28

6:00 am - 3:20 pm

LHR

IAS

7h 20m

1 stop

4:00 pm - 9:40 pm

IAS

LHR

7h 40m

1 stop

$198Austrian Airlines

Sun, May 10 - Sat, May 23

6:00 am - 3:20 pm

LHR

IAS

7h 20m

1 stop

4:00 pm - 9:40 pm

IAS

LHR

7h 40m

1 stop

$203Austrian Airlines

Mon, May 4 - Sat, May 9

7:25 pm - 3:20 pm

LHR

IAS

17h 55m

1 stop

4:05 pm - 9:40 pm

IAS

LHR

7h 35m

1 stop

$209Austrian Airlines

Sat, Mar 21 - Mon, Mar 23

6:00 am - 1:20 am

LHR

IAS

17h 20m

1 stop

4:00 pm - 10:40 pm

IAS

LHR

8h 40m

2 stops

$217Multiple Airlines

Sun, Apr 26 - Tue, Apr 28

8:40 am - 8:00 pm

LCY

IAS

9h 20m

2 stops

9:25 am - 7:35 pm

IAS

LCY

12h 10m

2 stops

$451KLM

Thu, Mar 5 - Wed, Mar 11

9:15 am - 1:20 am

LCY

IAS

14h 05m

2 stops

4:00 pm - 8:40 am

IAS

LCY

18h 40m

2 stops

$463Lufthansa

Thu, Apr 9 - Sun, Apr 12

8:40 am - 8:00 pm

LCY

IAS

9h 20m

2 stops

9:25 am - 5:20 pm

IAS

LCY

9h 55m

2 stops

$466KLM

Thu, Mar 5 - Wed, Mar 11

Austrian Airlines flights from London to Iaşi

Our best Austrian Airlines deals on London to Iaşi flight tickets

Austrian Airlines

Mar 2

LHR6:00 amLondon Heathrow

7h 20m

1 stop

IAS3:20 pmIasi

Mar 8

IAS4:05 pmIasi

18h 15m

1 stop

LHR8:20 amLondon Heathrow

$194

Austrian Airlines

Mar 9

LHR6:00 amLondon Heathrow

7h 20m

1 stop

IAS3:20 pmIasi

Mar 15

IAS4:05 pmIasi

18h 15m

1 stop

LHR8:20 amLondon Heathrow

$195

Austrian Airlines

Apr 26

LHR6:00 amLondon Heathrow

7h 20m

1 stop

IAS3:20 pmIasi

Apr 28

IAS4:00 pmIasi

7h 40m

1 stop

LHR9:40 pmLondon Heathrow

$197

Lufthansa flights from London to Iaşi

Our best Lufthansa deals on London to Iaşi flight tickets

Lufthansa

Mar 8

LHR8:45 amLondon Heathrow

28h 35m

2 stops

IAS3:20 pmIasi

Mar 15

IAS4:05 pmIasi

8h 50m

2 stops

LHR10:55 pmLondon Heathrow

$236

Lufthansa

Apr 26

LHR9:00 amLondon Heathrow

14h 20m

2 stops

IAS1:20 amIasi

Apr 28

IAS4:00 pmIasi

8h 40m

2 stops

LHR10:40 pmLondon Heathrow

$258

Lufthansa

Mar 2

LHR7:15 pmLondon Heathrow

42h 05m

2 stops

IAS3:20 pmIasi

Mar 8

IAS4:05 pmIasi

29h 30m

2 stops

LHR7:35 pmLondon Heathrow

$264

Fly from

Fly to

Route

Depart

Return

Price

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 3/2

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Sun 3/8

4:05 pm-8:20 am

1 stop18h 15m

$194

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 3/9

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Sun 3/15

4:05 pm-8:20 am

1 stop18h 15m

$195

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sun 4/26

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Tue 4/28

4:00 pm-9:40 pm

1 stop7h 40m

$197

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sun 5/10

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Sat 5/23

4:00 pm-9:40 pm

1 stop7h 40m

$198

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 5/4

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Sat 5/9

4:00 pm-9:40 pm

1 stop7h 40m

$203

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 3/21

7:25 pm-3:20 pm

1 stop17h 55m

Iasi

Mon 3/23

4:05 pm-9:40 pm

1 stop7h 35m

$209

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sun 4/26

6:00 am-1:20 am

1 stop17h 20m

Iasi

Tue 4/28

4:00 pm-10:40 pm

2 stops8h 40m

$217

LondonIaşi

LCY - IAS

LCYIAS

London City

Thu 3/5

8:40 am-8:00 pm

2 stops9h 20m

Iasi

Wed 3/11

9:25 am-7:35 pm

2 stops12h 10m

$451

LondonIaşi

LCY - IAS

LCYIAS

London City

Thu 4/9

9:15 am-1:20 am

2 stops14h 05m

Iasi

Sun 4/12

4:00 pm-8:40 am

2 stops18h 40m

$463

LondonIaşi

LCY - IAS

LCYIAS

London City

Thu 3/5

8:40 am-8:00 pm

2 stops9h 20m

Iasi

Wed 3/11

9:25 am-5:20 pm

2 stops9h 55m

$466

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?

What is the cheapest month to fly to Iaşi?

In general, March 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 $108. If you are unable to visit Iaşi during the month of March, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around $121.

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 Tuesday, with ticket prices averaging around $264.

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 February 2026, prices for London to Iaşi flights are approximately 9% 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	$89
Fastest flight time	7h 20m
Direct flights	None

The best flight deal from London to Iaşi found on momondo in the last 72 hours is $89

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 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 (73.92% of total bookings). The next most popular plane models are Airbus A320neo (21.22%), Airbus A321neo (2.88%), and Airbus A321-100/200 (0.54%).
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 $100	Free Cancellation	Rating 6.8 407 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 $100. Generally, Wizz Air has 13 flights on this route every week with an average price of $171. 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

Sun 3/15

Sun 3/22

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 $194

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London to Iaşi departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Find the cheapest flights from London to Iaşi

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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 Iasi 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

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

Best Price Found

Fastest flight time

Direct flights

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

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