Cheap flights from London to Iasi

One-way fares from £35 · LON → IAS · prices found by travellers in the last 48 hours

Cheapest fare
£35

Ryanair · Sat 21 Nov

Cheapest month
November

from £35

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 10m

2,050 km

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Cheapest month to fly from London to Iasi

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest £35
  2. December 2026 £68

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Ryanair
Depart13:00 Sat 21 NovSTN → IAS 4h 10m · 1 stop
£35one way, per person
View deal
Ryanair
Depart13:00 Sat 14 NovSTN → IAS 4h 10m · 1 stop
£40one way, per person
View deal
Ryanair
Depart12:20 Tue 17 NovSTN → IAS 4h 30m · 1 stop
£51one way, per person
View deal
Ryanair
Depart06:20 Sun 15 NovSTN → IAS 4h 15m · 1 stop
£63one way, per person
View deal
ALPAVIA
Depart17:25 Thu 12 NovSTN → IAS 4h 10m · 1 stop
£67one way, per person
View deal
Ryanair
Depart06:55 Thu 5 NovSTN → IAS 4h 30m · 1 stop
£106one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Iasi

Where to stay, what to do and getting around, from our travel partners.

About flights from London to Iasi

London (LON) and Iasi (IAS) are about 2,050 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 10m. Over the next few months, one-way fares start from £35, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from London to Iasi?

The cheapest one-way fare we've seen recently is £35 with Ryanair, departing Saturday, 21 November 2026. Over the coming months, the lowest fare in each month ranges from £35 to £68.

What is the cheapest month to fly from London to Iasi?

November 2026 currently has the lowest fares, from £35 one way.

Are there direct flights from London to Iasi?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from London to Iasi?

The quickest journey we've seen takes about 4h 10m. London and Iasi are around 2,050 km apart.

Which airlines fly from London to Iasi?

Recent fares on this route were with Ryanair, Wizz Air Malta and ALPAVIA.

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