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Cheap flights from London to Iaşi from $103

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 4/22. 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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0 bags

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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
9:05 am - 1:20 am
LHR
-
IAS
14h 15m
1 stop
Austrian Airlines Logo
5:20 am - 8:20 am
IAS
-
LHR
5h 00m
1 stop
$200Austrian Airlines
Tue, Apr 21 - Wed, Apr 29
Multiple Airlines Logo
1:35 pm - 1:20 am
LHR
-
IAS
9h 45m
2 stops
Multiple Airlines Logo
5:20 am - 8:20 am
IAS
-
LHR
5h 00m
1 stop
$211Multiple Airlines
Tue, Apr 21 - Wed, Apr 29
Lufthansa Logo
1:35 pm - 1:20 am
LHR
-
IAS
9h 45m
2 stops
Lufthansa Logo
5:20 am - 12:40 pm
IAS
-
LHR
9h 20m
2 stops
$241Lufthansa
Tue, Apr 21 - Wed, Apr 29
Austrian Airlines Logo
7:30 pm - 3:20 pm
LHR
-
IAS
17h 50m
1 stop
Austrian Airlines Logo
4:00 pm - 6:40 pm
IAS
-
LHR
4h 40m
1 stop
$242Austrian Airlines
Mon, Apr 27 - Sun, May 3
Lufthansa Logo
8:25 pm - 1:20 am
LHR
-
IAS
26h 55m
2 stops
Lufthansa Logo
4:00 pm - 5:05 pm
IAS
-
LHR
27h 05m
2 stops
$243Lufthansa
Mon, Apr 20 - Tue, Apr 28
Austrian Airlines Logo
6:00 am - 1:20 am
LHR
-
IAS
17h 20m
1 stop
Austrian Airlines Logo
4:00 pm - 6:40 pm
IAS
-
LHR
4h 40m
1 stop
$245Austrian Airlines
Sun, May 31 - Tue, Jun 16
Austrian Airlines Logo
7:30 pm - 3:20 pm
LHR
-
IAS
17h 50m
1 stop
Austrian Airlines Logo
5:20 am - 8:20 am
IAS
-
LHR
5h 00m
1 stop
$246Austrian Airlines
Mon, Apr 20 - Wed, Apr 29
Lufthansa Logo
8:25 pm - 1:20 am
LHR
-
IAS
26h 55m
2 stops
Lufthansa Logo
5:20 am - 10:40 pm
IAS
-
LHR
19h 20m
2 stops
$261Lufthansa
Mon, Apr 20 - Wed, Apr 29
KLM Logo
7:45 am - 11:30 pm
LCY
-
IAS
13h 45m
2 stops
KLM Logo
9:15 am - 5:20 pm
IAS
-
LCY
10h 05m
2 stops
$435KLM
Mon, Mar 23 - Tue, Mar 31
KLM Logo
5:50 pm - 8:30 am
LCY
-
IAS
12h 40m
2 stops
KLM Logo
2:15 pm - 7:55 am
IAS
-
LCY
19h 40m
2 stops
$471KLM
Sun, Aug 16 - Fri, Sep 4

Lufthansa flights from London to Iaşi

Our best Lufthansa deals on London to Iaşi flight tickets
Lufthansa
Apr 21
LHR1:35 pmLondon Heathrow
9h 45m
2 stops
IAS1:20 amIasi
Apr 29
IAS5:20 amIasi
9h 20m
2 stops
LHR12:40 pmLondon Heathrow
$241
Lufthansa
Apr 20
LHR8:25 pmLondon Heathrow
26h 55m
2 stops
IAS1:20 amIasi
Apr 28
IAS4:00 pmIasi
27h 05m
2 stops
LHR5:05 pmLondon Heathrow
$243
Lufthansa
Apr 20
LHR8:25 pmLondon Heathrow
26h 55m
2 stops
IAS1:20 amIasi
Apr 29
IAS5:20 amIasi
19h 20m
2 stops
LHR10:40 pmLondon Heathrow
$261

Austrian Airlines flights from London to Iaşi

Our best Austrian Airlines deals on London to Iaşi flight tickets
Austrian Airlines
Apr 21
LHR9:05 amLondon Heathrow
14h 15m
1 stop
IAS1:20 amIasi
Apr 29
IAS5:20 amIasi
5h 00m
1 stop
LHR8:20 amLondon Heathrow
$200
Austrian Airlines
Apr 27
LHR7:30 pmLondon Heathrow
17h 50m
1 stop
IAS3:20 pmIasi
May 3
IAS4:00 pmIasi
4h 40m
1 stop
LHR6:40 pmLondon Heathrow
$242
Austrian Airlines
May 31
LHR6:00 amLondon Heathrow
17h 20m
1 stop
IAS1:20 amIasi
Jun 16
IAS4:00 pmIasi
4h 40m
1 stop
LHR6:40 pmLondon Heathrow
$245

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 March 11, 2026.
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

Cheapest round-trip

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 4/21

9:05 am-1:20 am

1 stop14h 15m

Iasi

Wed 4/29

5:20 am-8:20 am

1 stop5h 00m

$200
Quickest round-trip

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 4/21

1:35 pm-1:20 am

2 stops9h 45m

Iasi

Wed 4/29

5:20 am-8:20 am

1 stop5h 00m

$211

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Tue 4/21

1:35 pm-1:20 am

2 stops9h 45m

Iasi

Wed 4/29

5:20 am-12:40 pm

2 stops9h 20m

$241

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 4/27

7:30 pm-3:20 pm

1 stop17h 50m

Iasi

Sun 5/3

4:00 pm-6:40 pm

1 stop4h 40m

$242

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 4/20

8:25 pm-1:20 am

2 stops26h 55m

Iasi

Tue 4/28

4:00 pm-5:05 pm

2 stops27h 05m

$243

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Sun 5/31

6:00 am-1:20 am

1 stop17h 20m

Iasi

Tue 6/16

4:00 pm-6:40 pm

1 stop4h 40m

$245

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 4/20

7:30 pm-3:20 pm

1 stop17h 50m

Iasi

Wed 4/29

5:20 am-8:20 am

1 stop5h 00m

$246

LondonIaşi

LHR - IAS

LHRIAS

London Heathrow

Mon 4/20

8:25 pm-1:20 am

2 stops26h 55m

Iasi

Wed 4/29

5:20 am-10:40 pm

2 stops19h 20m

$261

LondonIaşi

LCY - IAS

LCYIAS

London City

Mon 3/23

7:45 am-11:30 pm

2 stops13h 45m

Iasi

Tue 3/31

9:15 am-5:20 pm

2 stops10h 05m

$435

LondonIaşi

LCY - IAS

LCYIAS

London City

Sun 8/16

5:50 pm-8:30 am

2 stops12h 40m

Iasi

Fri 9/4

2:15 pm-7:55 am

2 stops19h 40m

$471

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 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 $121. If you are unable to visit Iaşi during the month of January, then departing from London during the month March is also very affordable. Most momondo users find prices during this month for around $139.

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 $179. 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 March 2026, prices for London to Iaşi flights are approximately 31% 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

Fastest flight time

7h 20m

Direct flights

None
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?

  • 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 $100Free CancellationRating
6.8
412 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 12 flights on this route every week with an average price of $163. 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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