Cheap Flights from London Heathrow to Tehran

Compare London Heathrow to Tehran flight deals

Find the cheapest month or even day of the year to fly to Tehran

Book the best Tehran fare with no extra fees

Flight deals from London Heathrow to Tehran

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Tehran? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London Heathrow to Tehran

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Tehran flights are currently cheapest in November.

Alternative London Heathrow to Tehran routes

Looking for the cheapest, fastest or easiest route from London Heathrow to Tehran? You could fly into the following airports instead.

London to Tehran: Flight information

The things to know before you go.
Cheapest flight found391 €
Cheapest month to flyAugust

Finding cheap flights from London Heathrow to Tehran: Frequently asked questions

There are 2 airports in Tehran: Mehrabad International and Imam Khomeini International.
The best price we found for a return flight from London Heathrow to Tehran is 391 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Heathrow to Tehran. But we found flights with one or more stops from 391 €.
As of June 2025, there are no flights flying from London Heathrow to Tehran.
The cheapest month to fly from London Heathrow to Tehran is usually June 2025.
If you're flying from London Heathrow Airport, the cheapest airport near Tehran is Imam Khomeini International – which is 36.4 km away from the centre of Tehran. We've found flights into this airport from 391 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Tehran on Wednesday, 20 August 2025.
No airlines currently offer direct flights between London Heathrow Airport and Tehran. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Tehran but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Tehran is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 22°C. July is typically the warmest month in Tehran, when it usually averages around 32°C. You can expect the least rain in July. The coldest month is January, with temperatures averaging -5°C. The rainiest month is November.
Currently, British Airways offers the cheapest flight tickets to Tehran.

Travelling from London Heathrow Airport (LHR) to Tehran: what you need to know

  • Tehran is three hours 30 minutes ahead of London, where London Heathrow Airport is located. Tehran runs on the UTC+3:30 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your LHR to Tehran flight.

  • Delays at check-in and security are likely if you're travelling during high season, so give yourself some extra breathing space. A good rule of thumb for peak periods? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • Consider adding a stopover to potentially save on your plane ticket from LHR to Tehran. Just deselect 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these connection hubs:

    • Istanbul Ataturk Airport (IST)

    • Frankfurt Airport (FRA)

    • Vienna International Airport (VIE)

  • Located around 26 kilometres from central London, LHR can be reached in about 55 minutes by car (depending on traffic). The journey on public transport takes roughly 1 hour.

  • Looking for a hotel near LHR? If you're catching an early flight from London Heathrow Airport to Tehran, these accommodation options will get you from your pillow to the plane in no time:

  • 68.18% of flights that depart London Heathrow Airport land at their destination on time.

How to find the cheapest flights from London Heathrow Airport (LHR) to Tehran

  • 213 € is the cheapest price we've seen for a one-way London Heathrow Airport to Tehran flight. A round-trip plane ticket right now is 391 €. Depending on the availability when you book, these fares can change.

  • Don't leave everything to the last minute. You're more likely to find cheap flights from LHR to Tehran if you book ahead. Airlines often have some fantastic early bird discounts.

  • Landing cheap tickets from London Heathrow Airport to Tehran is easier if you can be flexible with your trip dates. Use the 'Whole month' tool to get the lowest fares across the month and land an epic deal.

  • Stay on top of deals for cheap flights from LHR to Tehran by setting up a Price Alert. You'll receive an email or notification through the app when a new discounted fare appears.

  • Save on your flight from London Heathrow Airport to Tehran with the help of our filters. Select your preferred times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Tehran

Imam Khomeini International Airport (IKA)

  • Imam Khomeini International Airport (IKA) to central Tehran takes about 1 hour by car. The centre is roughly 56 kilometres away.

  • Touching down on a late flight from London Heathrow Airport to Tehran? Grab your luggage and head for the convenience of a nearby hotel. Two good choices close to IKA are Remis Hotel and Rexan Hotel.

Best time to go to Tehran

  • Carefully consider your dates before securing your flight from London Heathrow Airport to Tehran. The city buzzes in high season, but hotel rates are often higher and top attractions can be crowded. Go to Tehran in the low season if you want a more relaxed vibe.

  • Before booking a London Heathrow Airport to Tehran plane ticket, think about the type of weather you enjoy. July is the warmest month in Tehran, with temperatures ranging from 23ºC (73ºF) to 38ºC (100ºF).

  • January has average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Look for a cheap ticket from LHR to Tehran around that time if you want to travel when it's cooler.

More about Tehran

  • Start your Tehran trip right by choosing the ideal place to stay. Once you've booked your flight from London Heathrow Airport to Tehran, check out our selection of accommodation options including:

  • There are so many things to discover in this city it can be difficult to know where to begin. National Museum of Iran, Golestan Palace and Azadi Tower are major attractions which should feature on every Tehran itinerary.

Explore more of Iran

  • You've visited Tehran, now it's time to explore other parts of Iran. Travel around 338 kilometres south to Isfahan to check off its must-visit sights. From Hasht Behesht Palace to Jameh Mosque of Isfahan and Kakh-e Ali Qapu, your itinerary will be busy.

  • Qom is another must-experience destination in Iran and is around 129 kilometres south of Tehran. No journey is complete without visiting Ferdosi Park, Astaneh Museum and Gonbad Sabz Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.