The cheapest times to fly from HPH to KOA are

  • April 2nd to April 22nd (except the week of April 9th)
  • May 7th to July 8th (except the week of June 4th)

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 HPH to KOA is mid May. Prices can be as high as $2533 for Saturday flights during late April, or as low as $1430 for Thursday flights around mid May.


When to Fly to Kailua-Kona

Flying from Hai Phong (HPH) to Kona, HI (KOA) will usually cost between $1430 to $2050 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid May with an average ticket price of $1455. Due to high demand the most expensive time to fly is late April, with an average price of $2219. Planning your trip to low-cost times can easily save you $764 on economy flights and even more on first-class flights. Generally, any price below $1575 can be considered a good price for a round-trip HPH to KOA flight.

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

HPH to KOA Flight Prices

Compared to other flights, the HPH to KOA flight is more expensive than the average and costs less than the average flight leaving from Hai Phong. The average price per mile (for a direct flight) is $0.16, which is far below average.


Flight Prices by Day of the Week

Thursday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to Kailua-Kona, and Fridays are the most expensive days to return to Hai Phong. Selecting flights on the least expensive days could save you up to $408 (15%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Thursday and returning a week later will cost an average of $1579. Return trip prices are from the KOA to HPH 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 HPH to KOA can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 12 hour 6 minutes may not be realistic.


Flight Hacking HPH to KOA

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 HPH to KOA — but Champion Traveler does!

Hack #1: Seoul (HPH > ICN > KOA)

  • Price for both tickets: $1254
  • Average savings: $322 (20.41%)

See HPH to SGN flights

Hack #2: Ho Chi Minh City (HPH > SGN > KOA)

  • Price for both tickets: $1333
  • Average savings: $243 (15.4%)

See HPH to ICN flights

Hack #3: Hanoi (HPH > HAN > KOA)

  • Price for both tickets: $1442
  • Average savings: $133 (8.44%)

See HPH to HAN flights


Flight Questions Answered

Still have questions about flying from HPH to KOA? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: American, ANA, Hawaiian, JAL, Vietnam Airlines, and potentially more during busy seasons.

How far away is it from Ellison Onizuka Kona International at Keahole Airport to Catbi International Airport?

The distance between the two airports is roughly 6180 miles or 9946 kilometers.

How long does it take to fly from HPH to KOA?

The real-world flight time for a nonstop HPH to KOA flight is about 12 hour 6 minutes.

How many flights go between Hai Phong and Kona, HI?

It depends on the day of the week and the date, but a typical day might have around 34 available flights from HPH to KOA.


Airport Location Info


Departing Airport

Origination code HPH
Origination airport name Catbi International Airport
City Hai Phong
Country Vietnam
Latitude 20.8
Longitude 106.7

Return Airport

Destination code KOA
Destination airport name Ellison Onizuka Kona International at Keahole Airport
City Kona, HI
Country the United States
Latitude 19.7
Longitude -156


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.