£141 Cheap Flights from Sonderborg (SGD) to London (LHR)

View £141 flight on Wed, 10 Jun 2026Opens in a new window

Popular airlines from Sonderborg (SGD) to Heathrow Airport (LHR)

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Cheap Flights from Sonderborg (SGD) to London (LHR)

Prices were available within the past 7 days and start at £141 for one-way flights and £451 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Alsie
Fri, 26 Jun - Sun, 28 Jun
SGD
Sønderborg
LHR
London
£451 Return, found 3 days ago
£451
Return
found 3 days ago
Select Air Alsie flight, departing Fri, 26 Jun from Sønderborg to London, returning Sun, 28 Jun, priced at £451 found 3 days ago
Air Alsie
Fri, 26 Jun - Sun, 28 Jun
SGD
Sønderborg
LHR
London
£465 Return, found 3 days ago
£465
Return
found 3 days ago
Select Air Alsie flight, departing Fri, 26 Jun from Sønderborg to London, returning Sun, 28 Jun, priced at £465 found 3 days ago
Air Alsie
Fri, 26 Jun - Sun, 28 Jun
SGD
Sønderborg
LHR
London
£466 Return, found 3 days ago
£466
Return
found 3 days ago
Select Air Alsie flight, departing Fri, 26 Jun from Sønderborg to London, returning Sun, 28 Jun, priced at £466 found 3 days ago
Air Alsie
Fri, 26 Jun - Sun, 28 Jun
SGD
Sønderborg
LHR
London
£507 Return, found 3 days ago
£507
Return
found 3 days ago
Select Air Alsie flight, departing Fri, 26 Jun from Sønderborg to London, returning Sun, 28 Jun, priced at £507 found 3 days ago
Air Alsie
Fri, 26 Jun - Sun, 28 Jun
SGD
Sønderborg
LHR
London
£521 Return, found 3 days ago
£521
Return
found 3 days ago
Select Air Alsie flight, departing Fri, 26 Jun from Sønderborg to London, returning Sun, 28 Jun, priced at £521 found 3 days ago
Air Alsie
Fri, 26 Jun - Sun, 28 Jun
SGD
Sønderborg
LHR
London
£525 Return, found 3 days ago
£525
Return
found 3 days ago
Select Air Alsie flight, departing Fri, 26 Jun from Sønderborg to London, returning Sun, 28 Jun, priced at £525 found 3 days ago
Air Alsie
Fri, 26 Jun - Sun, 28 Jun
SGD
Sønderborg
LHR
London
£527 Return, found 3 days ago
£527
Return
found 3 days ago
Select Air Alsie flight, departing Fri, 26 Jun from Sønderborg to London, returning Sun, 28 Jun, priced at £527 found 3 days ago
Air Alsie
Fri, 26 Jun - Sun, 28 Jun
SGD
Sønderborg
LHR
London
£531 Return, found 3 days ago
£531
Return
found 3 days ago
Select Air Alsie flight, departing Fri, 26 Jun from Sønderborg to London, returning Sun, 28 Jun, priced at £531 found 3 days ago

Frequently asked questions

How much is a flight from Sonderborg Airport (SGD) to LHR?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey between SGD and Heathrow Airport was £451. Fares this cheap don't last forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sonderborg Airport to Heathrow Airport (LHR)?
Most flights can be cancelled online, but each air carrier has a different set of terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from SGD to Heathrow Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SGD to Heathrow Airport (LHR) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sonderborg Airport to Heathrow Airport?
With a flight distance of 780 kilometres, it's just a hop from SGD to LHR. It might be a quick journey, but it's still worth bringing a good book to read.
Which airlines fly direct from Sonderborg Airport to Heathrow Airport?
If you want to travel straight from SGD to Heathrow Airport (LHR), you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly between these airports.
Are SGD to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to nab amazing last-minute deals from Sonderborg Airport (SGD) to LHR, but it can also be hit-or-miss. As many airlines publish prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you spot a good bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can be sure you're always getting the latest offers.

Frequently asked questions

How do I find cheap flights from Sonderborg (SGD) to London (LHR-Heathrow)?
To find a cheap flight from Sonderborg (SGD) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sonderborg (SGD) to London (LHR-Heathrow)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Sonderborg (SGD) to London (LHR-Heathrow)?
There are approximately 3 connecting flights per day from Sonderborg (SGD) to London Heathrow (LHR). A common connection point includes Kastrup (CPH).
What is the earliest flight from Sonderborg (SGD) to London (LHR-Heathrow)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from SGD to LHR. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Sonderborg (SGD) to London (LHR-Heathrow)?
Flights from SGD to LHR with one stop typically take around 10 hours, covering approximately 487 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sonderborg (SGD) to London (LHR-Heathrow)?
Select the "Business class" and "First class" filters when looking for SGD to LHR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Sonderborg (SGD) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Sonderborg (SGD) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Sonderborg (SGD) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Sonderborg (SGD) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sonderborg (SGD) to London (LHR-Heathrow) flight and hotel package?
Securing a Sonderborg (SGD) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sonderborg (SGD) to London (LHR-Heathrow)?
If you booked your Sonderborg (SGD) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sonderborg
Destination airport
Heathrow
Return price
£451
Distance
778 km

Book with confidence

Compare flights from Sonderborg to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Sonderborg to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Sonderborg to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Sonderborg (SGD) to Heathrow (LHR)

The easiest way to view the best deals on flights from Sonderborg to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Sonderborg to Heathrow start at just £451 and range up to £531.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Sonderborg and London
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Sonderborg to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Sonderborg to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Sonderborg to London easily and book with confidence

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