Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Honolulu, across the seven airlines that offer this route. We've found that 20 / Jan / 2026 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
British Airways is the most popular airline that flies from London Heathrow to Honolulu. But it's still worth looking at other options, as there are 209 flights to Honolulu every week. If you want to broaden your search, look at flights departing from other airports.
The distance between London Heathrow to Honolulu is 11636 km. Normally, it takes about 20 hrs 50 mins to fly, and you can definitely expect the journey to be at least 18 hrs. You can see the various flight times in the results.
If you want to travel in April, it's best to book your flights early, as this is peak season in Honolulu. The cheapest month to fly is normally June – try searching three to four months prior to then to get a bargain. You can also search by month, which will reveal the cheapest time of the week to fly.
