Cheap Flights from Imam Khomeini International to London Heathrow

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Flight deals from Imam Khomeini International to London Heathrow

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

Find the cheapest month to fly from Imam Khomeini International to London Heathrow

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

Imam Khomeini International to London Heathrow: Alternative routes

Compare routes from Imam Khomeini International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Tehran to London: Flight information

The things to know before you go.
Cheapest flight found370 €
Cheapest month to flyMay

Finding cheap flights from Imam Khomeini International to London Heathrow: Frequently asked questions

The best price we found for a return flight from Imam Khomeini International to London Heathrow is 370 €. 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 Imam Khomeini International to London Heathrow. But we found flights with one or more stops from 370 €.
As of May 2025, there are no flights flying from Imam Khomeini International to London Heathrow.
The cheapest month to fly from Imam Khomeini International to London Heathrow is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Imam Khomeini International Airport to London Heathrow Airport on Wednesday, 21 May 2025.
No airlines currently offer direct flights between Imam Khomeini International Airport and London Heathrow Airport. 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 London Heathrow 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 London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, AJet offers the cheapest flight tickets to London Heathrow.

Flying from Imam Khomeini International Airport (IKA) to London Heathrow Airport (LHR): what you need to know

  • The average time for a direct flight from Imam Khomeini International Airport to London Heathrow Airport is 6 hours 40 minutes.

  • The timezone in London is UTC+0, which is three hours 30 minutes behind Tehran.

  • Every week, there are six Imam Khomeini International Airport to London Heathrow Airport flights. To jet off as soon as possible, opt for the 11:20 Iran Air flight. If you'd rather make the most of your time before you fly, the latest flight is at 11:20 with Iran Air.

  • To ensure you get on your IKA to LHR flight, leave plenty of time to check in and find your gate. Arriving two hours before international departures and one hour before domestic flights is the standard rule.

  • During popular months like July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you fly during a high season in general.

  • Flying into London (and then seeing more of United Kingdom!) is easy with Iran Air. This popular airline offers direct flights from Imam Khomeini International Airport to London Heathrow Airport.

  • Iran Air is the top choice for travellers on this route.

  • Among carriers operating IKA to LHR flights, Iran Air has the highest percentage of on-time landings.

  • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Imam Khomeini International Airport to London Heathrow Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to visit the city of your choice. Stopovers between IKA and LHR include:

    • Vienna International Airport

    • Istanbul Ataturk Airport

    • Frankfurt Airport

How to find the cheapest flights from Imam Khomeini International Airport (IKA) to London Heathrow Airport (LHR)

  • Right now, 162 € is the lowest price we've found for a one-way Imam Khomeini International Airport to London Heathrow Airport flight. The best price for a return plane ticket is 370 €. Remember that fares may change due to availability when booking.

  • Book six months before travelling. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from IKA to LHR.

  • May is the cheapest month for flights from Imam Khomeini International Airport to London Heathrow Airport. If you want to travel during a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

  • Save time searching for cheap flights from IKA to LHR by creating a Price Alert. You'll receive an email or push notification on the app when a new low fare is offered.

  • Secure the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Imam Khomeini International Airport to London Heathrow Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about Imam Khomeini International Airport (IKA)

  • When it comes to the on-time performance of Imam Khomeini International Airport, data shows 69.19% of flights arrive within the expected timeframe.

  • To get to Imam Khomeini International Airport from central Tehran, it'll take about 1 hour if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 56 kilometres from the airport to the city centre.

  • If you have an early flight from Imam Khomeini International Airport to London Heathrow Airport, why not stay close by? Avoid the hassle of rushing to the airport (and enjoy some extra shut-eye) at Remis Hotel. Rexan Hotel is another handy option near IKA.

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • From London Heathrow Airport, London is approximately 31 kilometres away. It takes around 55 minutes to drive to the centre.

  • It'll take around 1 hour when travelling by public transport.

When to fly to London Heathrow Airport (LHR)

  • It's time to choose your dates for your flight from Imam Khomeini International Airport to London Heathrow Airport. July is the busiest month to head to London. If you like a more low-key vibe, go in February.

  • Before locking in your flight from Imam Khomeini International Airport to London Heathrow Airport, think about the type of weather you like. July is the warmest month in London, with the temperature ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from IKA to LHR in January. Temperatures average between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of United Kingdom

  • London has plenty to offer, but there are so many other parts of United Kingdom you'll want to see. About 161 kilometres north-west of London, a trip to Birmingham will keep your itinerary busy. Check out popular attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • If you're ready to explore another side of United Kingdom, head for Bristol, roughly 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are among its highlights.

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