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Cheap flights from London to Iaşi from $165

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 11/21. 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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Find the cheapest flights from London to Iaşi

Cheap round-trip flights

Enter your travel dates to find the best prices.
Austrian Airlines Logo
7:25 pm - 3:20 pmLHR-IAS
17h 55m1 stop
Austrian Airlines Logo
4:05 pm - 2:05 pmIAS-LHR
24h 00m1 stop
$194Austrian Airlines
Find Deal
Sat, Mar 14 - Mon, Mar 16
Austrian Airlines Logo
6:00 am - 3:20 pmLHR-IAS
7h 20m1 stop
Austrian Airlines Logo
4:05 pm - 9:40 pmIAS-LHR
7h 35m1 stop
$226Austrian Airlines
Find Deal
Fri, Jan 9 - Sun, Jan 11
Austrian Airlines Logo
6:00 am - 3:20 pmLHR-IAS
7h 20m1 stop
Austrian Airlines Logo
4:05 pm - 9:40 pmIAS-LHR
7h 35m1 stop
$240Austrian Airlines
Find Deal
Wed, Dec 31 - Sun, Jan 11
Lufthansa Logo
6:35 am - 3:20 pmLHR-IAS
30h 45m2 stops
Lufthansa Logo
4:05 pm - 10:55 pmIAS-LHR
8h 50m2 stops
$247Lufthansa
Find Deal
Thu, Nov 27 - Wed, Dec 3
Lufthansa Logo
6:35 am - 3:20 pmLHR-IAS
30h 45m2 stops
Lufthansa Logo
4:05 pm - 6:35 pmIAS-LHR
28h 30m2 stops
$248Lufthansa
Find Deal
Sat, Mar 14 - Mon, Mar 16
Lufthansa Logo
6:35 am - 3:20 pmLHR-IAS
30h 45m2 stops
Lufthansa Logo
4:05 pm - 5:05 pmIAS-LHR
27h 00m2 stops
$249Lufthansa
Find Deal
Sat, Mar 14 - Mon, Mar 16
Lufthansa Logo
8:15 pm - 3:20 pmLHR-IAS
41h 05m2 stops
Lufthansa Logo
4:05 pm - 9:00 pmIAS-LHR
6h 55m2 stops
$274Lufthansa
Find Deal
Mon, Nov 24 - Wed, Dec 3
Multiple Airlines Logo
5:50 pm - 3:20 pmLHR-IAS
43h 30m2 stops
Multiple Airlines Logo
4:05 pm - 9:40 pmIAS-LHR
7h 35m1 stop
$344Multiple Airlines
Find Deal
Sat, Feb 14 - Wed, Feb 18
KLM Logo
8:40 am - 7:25 pmLCY-IAS
8h 45m2 stops
KLM Logo
9:25 am - 5:20 pmIAS-LCY
9h 55m2 stops
$428KLM
Find Deal
Sat, Feb 14 - Wed, Feb 18
KLM Logo
6:55 pm - 8:00 pmLCY-IAS
23h 05m2 stops
KLM Logo
5:25 am - 1:15 pmIAS-LCY
33h 50m2 stops
$435KLM
Find Deal
Tue, Mar 10 - Sat, Mar 14

KLM flights from London to Iaşi

Our best KLM deals on London to Iaşi flight tickets
KLM
Feb 14
LCY8:40 amLondon City
8h 45m
2 stops
IAS7:25 pmIasi
Feb 18
IAS9:25 amIasi
9h 55m
2 stops
LCY5:20 pmLondon City
$428
Find similar
KLM
Mar 10
LCY6:55 pmLondon City
23h 05m
2 stops
IAS8:00 pmIasi
Mar 14
IAS5:25 amIasi
33h 50m
2 stops
LCY1:15 pmLondon City
$435
Find similar
KLM
Mar 10
LCY6:55 pmLondon City
23h 05m
2 stops
IAS8:00 pmIasi
Mar 14
IAS5:25 amIasi
33h 50m
2 stops
LCY1:15 pmLondon City
$436
Find similar

Lufthansa flights from London to Iaşi

Our best Lufthansa deals on London to Iaşi flight tickets
Lufthansa
Nov 27
LHR6:35 amLondon Heathrow
30h 45m
2 stops
IAS3:20 pmIasi
Dec 3
IAS4:05 pmIasi
8h 50m
2 stops
LHR10:55 pmLondon Heathrow
$247
Find similar
Lufthansa
Mar 14
LHR6:35 amLondon Heathrow
30h 45m
2 stops
IAS3:20 pmIasi
Mar 16
IAS4:05 pmIasi
28h 30m
2 stops
LHR6:35 pmLondon Heathrow
$248
Find similar
Lufthansa
Mar 14
LHR6:35 amLondon Heathrow
30h 45m
2 stops
IAS3:20 pmIasi
Mar 16
IAS4:05 pmIasi
27h 00m
2 stops
LHR5:05 pmLondon Heathrow
$249
Find similar

momondo Fare Finder

 
Customize 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, momondo users made 832,500 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from London to Iaşi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 3/14

7:25 pm-3:20 pm

1 stop17h 55m

Iasi

Mon 3/16

4:05 pm-2:05 pm

1 stop24h 00m

$194

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Fri 1/9

6:00 am-3:20 pm

1 stop7h 20m

Iasi

Sun 1/11

4:05 pm-9:40 pm

1 stop7h 35m

$226

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

$240

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Thu 11/27

6:35 am-3:20 pm

2 stops30h 45m

Iasi

Wed 12/3

4:05 pm-10:55 pm

2 stops8h 50m

$247

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 3/14

6:35 am-3:20 pm

2 stops30h 45m

Iasi

Mon 3/16

4:05 pm-6:35 pm

2 stops28h 30m

$248

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 3/14

6:35 am-3:20 pm

2 stops30h 45m

Iasi

Mon 3/16

4:05 pm-5:05 pm

2 stops27h 00m

$249

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 11/24

8:15 pm-3:20 pm

2 stops41h 05m

Iasi

Wed 12/3

4:05 pm-9:00 pm

2 stops6h 55m

$274

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sat 2/14

5:50 pm-3:20 pm

2 stops43h 30m

Iasi

Wed 2/18

4:05 pm-9:40 pm

1 stop7h 35m

$344

LondonIaşi

LCY - IAS

LCYIAS

London City

Sat 2/14

8:40 am-7:25 pm

2 stops8h 45m

Iasi

Wed 2/18

9:25 am-5:20 pm

2 stops9h 55m

$428

LondonIaşi

LCY - IAS

LCYIAS

London City

Tue 3/10

6:55 pm-8:00 pm

2 stops23h 05m

Iasi

Sat 3/14

5:25 am-1:15 pm

2 stops33h 50m

$435

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Iaşi from

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

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 $93.

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 Wednesday when prices can be found for as low as $179. 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 $227.

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

$187

Direct flights

None
The best flight deal from London to Iaşi found on momondo in the last 72 hours is $187
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?

  • 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
Airline
Rating
Free Cancellation
Price
Wizz AirPriceFrom $101Free CancellationRating
6.8
391 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.

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