Question 1

What are the cheapest airlines flying from Trondheim to London Heathrow Airport round-trip?

Accepted Answer

Scandinavian Airlines, at £144, was found to be the cheapest airline from Trondheim to London Heathrow Airport.Alternate airlines flying return to your destination include KLM and Finnair. You may be able to fly from Trondheim to London Heathrow Airport for 9% less than the average price by searching for these airlines.

Question 2

How far ahead should I book a flight from Trondheim to London Heathrow Airport?

Accepted Answer

The price you pay for your flight from Trondheim to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 3

What is the cheapest month to book a flight from Trondheim to London Heathrow Airport?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Trondheim to London Heathrow Airport (average of £112). Flying from Trondheim to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 4

What is the cheapest day to fly from Trondheim to London Heathrow Airport?

Accepted Answer

Travellers seeking maximum savings on their Trondheim to London Heathrow Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 7

How far in advance should I book a flight from Trondheim to London Heathrow Airport?

Accepted Answer

Travelers have found it’s best to book a flight 48 days in advance to save up to 64% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 48 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Trondheim to London Heathrow Airport 1-2 weeks in advance for as low as £130, or £182 for flights within the next 24 hours.

Question 8

What is the cheapest month to fly from Trondheim to London Heathrow Airport?

Accepted Answer

January can be a great time to fly to London Heathrow Airport from Trondheim with a flight ticket averaging about £144. Cheapflights users have found deals in the month of January for as cheap as £58. The most expensive prices can be found in the month of July.

Question 9

What is the cheapest time of day to fly from TRD to LHR?

Accepted Answer

When flying from Trondheim to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Question 10

What airport do you fly from for flights from Trondheim to London Heathrow?

Accepted Answer

Most people fly from Trondheim Vaernes (TRD) if they book a flight from Trondheim to London Heathrow. On average, Vaernes has 0 outbound flights to London Heathrow per day from 1 airline. Trondheim Vaernes is conveniently located just 16.4 mi from Trondheim’s city center.

Question 11

Can I find deals for flights from Trondheim to Heathrow that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Trondheim to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 12

How can I find direct flights from Trondheim to Heathrow?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trondheim to Heathrow.

Question 13

Can I find deals for business class flights from Trondheim to Heathrow?

Accepted Answer

Yes. Cheapflights offers flight deals from Trondheim to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 14

How does Cheapflights help users find flights from Trondheim to Heathrow?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Trondheim today with Cheapflights!

Question 15

Why should you use Cheapflights to find cheap flight tickets from Trondheim to Heathrow?

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Trondheim to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 16

Can Cheapflights find flights from Trondheim to Heathrow with no change fees?

Accepted Answer

Yes, we can. To see specific flights from Trondheim to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 17

Can Cheapflights notify me if prices for flights from Trondheim to Heathrow become cheaper?

Accepted Answer

Yes, Cheapflights offers price alerts on Trondheim to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£144
One-way from	£52
Popular in	July
Cheapest in	November
Average price	£231

Cheap flights from Trondheim to London Heathrow Airport from £52

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Trondheim to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Trondheim to Heathrow

Cheapest flights from Trondheim to HeathrowExplore the most affordable flight options available from Trondheim to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from Trondheim to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Trondheim to London Heathrow Airport that are best for you.

Best time to book a flight from Trondheim to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Trondheim with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Trondheim to London Heathrow Airport

How far ahead should I book a flight from Trondheim to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Trondheim to Heathrow. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from Trondheim to London Heathrow Airport?

How much does it cost for a return flight from Trondheim to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Trondheim to London Heathrow Airport, such as KLM, Finnair, andScandinavian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Trondheim to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Trondheim to London Heathrow?

What are the cheapest airlines flying from Trondheim to London Heathrow Airport round-trip?

Can I find deals for flights from Trondheim to Heathrow that include hotel bookings?

How can I find direct flights from Trondheim to Heathrow?

Can I find deals for business class flights from Trondheim to Heathrow?

What is the cheapest month to book a flight from Trondheim to London Heathrow Airport?

Travelling to a place near Trondheim?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trondheim to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Trondheim to Heathrow

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Trondheim to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Trondheim to Heathrow?

Can Cheapflights find flights from Trondheim to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Trondheim to Heathrow become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Trondheim to Heathrow
Explore the most affordable flight options available from Trondheim to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.