Cheap Flights from Tehran (THR) to London (LON)

Frequently Asked Questions

• What are the cheapest flights from Tehran to London (THR-LON)?

  Based on Trip.com data, Pegasus Airlines offers one-way fares as low as US$122 on Cheapest nonstop routes (e.g. IKA to STN on Fri, Apr 3), while Pegasus Airlines offers Cheapest nonstop round-trips from US$250 departing on Wed, Apr 29 and returning on Thu, May 7.

• Which airlines offer direct flights from Tehran to London?

  At the moment, you can catch a nonstop flight from Tehran to London with the following airlines, including: AJet Pegasus Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Tehran to London?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Tehran to London is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Tehran to London?

  To find best deals on flights from Tehran to London, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Apr 3, with one-way flights priced at just US$122.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Pegasus Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for London travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Tehran (THR) to London (LON) the cheapest?

  The cheapest months to fly from Tehran to London is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Tehran to London on?

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Tehran to London on March 27, 2026 with Pegasus Airlines, with prices starting at US$123.

• Which airports can I fly to for London from Tehran?

  You can land at any one of the following hubs in London, with Imam Khomeini International Airport to London Stansted Airport (IKA-STN) is by far the most common option on this route: London City Airport (LCY) London Gatwick Airport (LGW) Heathrow Airport (LHR) London Luton Airport (LTN) London Southend Airport (SEN) London Stansted Airport (STN).

• Is there any time difference between Tehran and London?

  The time difference between London and Tehran is 3h.

• How do I change or cancel my ticket from Tehran to London?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.