Cheap Flights from Seoul (SEL) to London (LON) from HK$1,986~

The lowest price advertised for a round-trip journey from Seoul (SEL-All Airports) to London (LON-All Airports) is HK$4,579. But you better act quick. This figure is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

The majority of flights can be canceled online, but whether or not you are charged a fee differs between airlines. If you do have to cancel your vacation, follow the easy instructions in the Customer Service Portal.

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 Seoul (SEL-All Airports) to London (LON-All Airports) flights, you'll see a "no change fees" filter for you to select.

With around 8,900 kilometers separating South Korea and England, your flight will be a long one. Pack wisely to make your journey more comfortable. Things like an extra pair of socks and a good neck pillow can make a massive difference.

There are several airlines that travel directly from Seoul (SEL-All Airports) to London (LON-All Airports). Korean Air (KE) is a great choice, offering 30 flights a month. For more options, have a look at the ticket prices from Asiana Airlines (OZ). This airlines operates 30 flights a month between these airports.

Last-minute planners can sometimes score a bargain, with some of the cheapest airfares from Seoul (SEL-All Airports) to London (LON-All Airports) surfacing a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals continually — as early as a year in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance.