The cheapest times to fly from ITO to LHR are

  • January 8th to March 25th
  • April 23rd to July 1st (except the weeks of May 7th, May 21st, and May 28th)
  • September 3rd to September 30th (except the week of September 10th)
  • October 22nd to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ITO to LHR is late January. Prices can be as high as $3257 for Saturday flights during early to mid August, or as low as $742 for Tuesday flights around late January.


When to Fly to London

Flying from Hilo, HI (ITO) to London (LHR) will usually cost between $1012 to $3014 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $1043. Due to high demand the most expensive time to fly is early to mid August, with an average price of $2102. Planning your trip to low-cost times can easily save you $1059 on economy flights and even more on first-class flights. Generally, any price below $1435 can be considered a good price for a round-trip ITO to LHR flight.

See below for a graph of average weekly prices for the ITO to LHR route. All prices are for round-trip tickets in USD.

ITO to LHR Flight Prices

Compared to other flights, the ITO to LHR flight is slightly more expensive than the average and costs about as much as the average flight leaving from Hilo. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to London, and Sundays are the most expensive days to return to Hilo. Selecting flights on the least expensive days could save you up to $532 (24%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1272. Return trip prices are from the LHR to ITO flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ITO to LHR can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 14 hour 5 minutes may not be realistic.


Flight Hacking ITO to LHR

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ITO to LHR — but Champion Traveler does!

Hack #1: San Francisco, CA (ITO > SFO > LHR)

  • Price for both tickets: $984
  • Average savings: $452 (31.46%)

See ITO to SFO flights

Hack #2: Oakland, CA (ITO > OAK > LHR)

  • Price for both tickets: $1007
  • Average savings: $429 (29.86%)

See ITO to OAK flights

Hack #3: San Jose, CA (ITO > SJC > LHR)

  • Price for both tickets: $1012
  • Average savings: $424 (29.51%)

See ITO to SJC flights


Flight Questions Answered

Still have questions about flying from ITO to LHR? We’ve got answers.

Which airlines fly this route?

You can find 10 major airlines flying this route most often: Air France, American, British Airways, Delta, Finnair, Hawaiian, Iberia, KLM, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from London Heathrow Airport to Hilo International Airport?

The distance between the two airports is roughly 7282 miles or 11719 kilometers.

How long does it take to fly from ITO to LHR?

The real-world flight time for a nonstop ITO to LHR flight is about 14 hour 5 minutes.

How many flights go between Hilo, HI and London?

It depends on the day of the week and the date, but a typical day might have around 21 available flights from ITO to LHR.


Airport Location Info


Departing Airport

Origination codeITO
Origination airport nameHilo International Airport
CityHilo, HI
Countrythe United States

Return Airport

Destination codeLHR
Destination airport nameLondon Heathrow Airport
Countrythe United Kingdom


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.