£141 Cheap Flights from London (LHR) to Iasi (IAS)

View £141 flight on Tue, 16 Jun 2026Opens in a new window

Flight 1

Popular airlines from Heathrow Airport (LHR) to Iasi (IAS)

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Cheap Flights from London (LHR) to Iasi (IAS)

Prices were available within the past 7 days and start at £141 for one-way flights and £178 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Austrian Airlines
Wed, 10 Jun - Wed, 17 Jun
LHR
London
IAS
Iasi
£178 Return, found 1 day ago
£178
Return
found 1 day ago
Select Austrian Airlines flight, departing Wed, 10 Jun from London to Iasi, returning Wed, 17 Jun, priced at £178 found 1 day ago
Austrian Airlines
Sun, 7 Jun - Tue, 9 Jun
LHR
London
IAS
Iasi
£178 Return, found 21 hours ago
£178
Return
found 21 hours ago
Select Austrian Airlines flight, departing Sun, 7 Jun from London to Iasi, returning Tue, 9 Jun, priced at £178 found 21 hours ago
Austrian Airlines
Tue, 16 Jun - Tue, 23 Jun
LHR
London
IAS
Iasi
£181 Return, found 1 day ago
£181
Return
found 1 day ago
Select Austrian Airlines flight, departing Tue, 16 Jun from London to Iasi, returning Tue, 23 Jun, priced at £181 found 1 day ago
Austrian Airlines
Thu, 4 Jun - Sat, 6 Jun
LHR
London
IAS
Iasi
£184 Return, found 11 hours ago
£184
Return
found 11 hours ago
Select Austrian Airlines flight, departing Thu, 4 Jun from London to Iasi, returning Sat, 6 Jun, priced at £184 found 11 hours ago
Austrian Airlines
Thu, 28 May - Thu, 4 Jun
LHR
London
IAS
Iasi
£189 Return, found 18 hours ago
£189
Return
found 18 hours ago
Select Austrian Airlines flight, departing Thu, 28 May from London to Iasi, returning Thu, 4 Jun, priced at £189 found 18 hours ago
Austrian Airlines
Wed, 10 Jun - Wed, 17 Jun
LHR
London
IAS
Iasi
£190 Return, found 1 day ago
£190
Return
found 1 day ago
Select Austrian Airlines flight, departing Wed, 10 Jun from London to Iasi, returning Wed, 17 Jun, priced at £190 found 1 day ago
Lufthansa
Tue, 2 Jun - Tue, 9 Jun
LHR
London
IAS
Iasi
£210 Return, found 17 hours ago
£210
Return
found 17 hours ago
Select Lufthansa flight, departing Tue, 2 Jun from London to Iasi, returning Tue, 9 Jun, priced at £210 found 17 hours ago
KLM
Mon, 23 Nov - Mon, 30 Nov
LHR
London
IAS
Iasi
£263 Return, found 2 days ago
£263
Return
found 2 days ago
Select KLM flight, departing Mon, 23 Nov from London to Iasi, returning Mon, 30 Nov, priced at £263 found 2 days ago
Air France
Fri, 30 Oct - Sat, 14 Nov
LHR
London
IAS
Iasi
£337 Return, found 1 day ago
£337
Return
found 1 day ago
Select Air France flight, departing Fri, 30 Oct from London to Iasi, returning Sat, 14 Nov, priced at £337 found 1 day ago
Turkish Airlines
Tue, 30 Jun - Wed, 15 Jul
LHR
London
IAS
Iasi
£752 Return, found 12 hours ago
£752
Return
found 12 hours ago
Select Turkish Airlines flight, departing Tue, 30 Jun from London to Iasi, returning Wed, 15 Jul, priced at £752 found 12 hours ago

Alternative airports near Iasi

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Iasi IAS. Cheapest and Closest option available. Average driving time to city centre is 9 minutes. Flights from £202
IAS
Iasi
CheapestClosest
Average driving time to city centre9 min
Flights from £202

Frequently asked questions

How do I find cheap flights from London (LHR-Heathrow) to Iasi (IAS)?
To find a cheap flight from London (LHR-Heathrow) to Iasi (IAS), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from London (LHR-Heathrow) to Iasi (IAS)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LHR-Heathrow) to Iasi (IAS)?
There are approximately 46 connecting flights per day from London Heathrow (LHR) to Iasi (IAS). Some common connection points include Istanbul Airport (IST), Schiphol (AMS), and Roissy-Charles de Gaulle (CDG).
What is the earliest flight from London (LHR-Heathrow) to Iasi (IAS)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from LHR to IAS. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to Iasi (IAS)?
You'll typically find the most flights from London Heathrow (LHR) to Iasi (IAS) on a Saturday, with around 28 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Lufthansa, Turkish Airlines, and Eurowings.
What are the most popular departure times for flights from London (LHR-Heathrow) to Iasi (IAS)?
The most popular departure times for flights from London Heathrow (LHR) to Iasi (IAS) are in the morning, from 6am to 9am. Approximately 75% of passengers prefer this time window. Many major carriers, including OS, VL and AF, offer flights during this window. These times work well because you can get an early start to your journey and arrive at your destination with plenty of time.
How long does it take to fly from London (LHR-Heathrow) to Iasi (IAS)?
A flight from LHR to IAS with a layover takes around 7 hours 20 minutes, with the route covering approximately 1,290 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from London (LHR-Heathrow) to Iasi (IAS)?
Select the "Business class" and "First class" filters when looking for LHR to IAS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a London (LHR-Heathrow) to Iasi (IAS) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Iasi (IAS) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Iasi (IAS) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Iasi (IAS) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Iasi (IAS) flight and hotel package?
Securing a London (LHR-Heathrow) to Iasi (IAS) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR-Heathrow) to Iasi (IAS)?
If you booked your London (LHR-Heathrow) to Iasi (IAS) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
Iasi
Airlines serving
Air France, Austrian Airlines, KLM, Lufthansa, Turkish Airlines
Return price
£177
Distance
2063 km

Book with confidence

Compare flights from London to Iasi easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Iasi. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Iasi in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Iasi.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to Iasi (IAS)

The easiest way to view the best deals on flights from London to Iasi today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Iasi start at just £178 and range up to £752.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Iasi
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Iasi flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Iasi for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to Iasi easily and book with confidence

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*Available to Expedia members.