How long is the flight from Kailua-Kona to Hanoi?

Airlines like Qatar Airways fly from Kailua-Kona to Hanoi in about 39h 50m. The time it takes to get you to your destination can typically vary by up to . Kailua-Kona and Hanoi are separated by a distance of 6222 mi.

In terms of precipitation, rainfall in Hanoi ranges from 0.6 - 11.7 inches per month. August is typically the wettest month, when rainfall can reach 11.7 in. December is typically the driest time to visit Hanoi when rainfall is around 0.6 in.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 62.6 F).

What is the cheapest time of day to fly from KOA to HAN?

When flying from Kailua-Kona to Hanoi, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Kailua-Kona-Hanoi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-Hanoi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kailua-Kona-Hanoi flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Kailua-Kona-Hanoi flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kailua-Kona-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Kailua-Kona to Hanoi that include hotel bookings?

Yes. In addition to deals on Kailua-Kona to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Kailua-Kona to Hanoi?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kailua-Kona to Hanoi.

Can I find deals for business class flights from Kailua-Kona to Hanoi?

Yes. Cheapflights offers flight deals from Kailua-Kona to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,140+ Cheap Flights from Kailua-Kona to Hanoi

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Kailua-Kona to Hanoi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kailua-Kona to Hanoi

Cheapest

Best

Cheapest flights from Kailua-Kona to Hanoi
Explore the most affordable flight options available from Kailua-Kona to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.

Thu 9/310:25 pm

KOA

HAN

2 stops39h 50m

Qatar Airways

Mon 9/78:45 am

HAN

KOA

2 stops51h 42m

Qatar Airways

Deal found 7/13

$1,140

Sat 9/510:25 pm

KOA

HAN

2 stops39h 50m

Qatar Airways

Sat 9/197:30 pm

HAN

KOA

2 stops40h 57m

Qatar Airways

Deal found 7/16

$1,318

Find flight deals from Kailua-Kona to Hanoi

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,140 (Qatar Airways)

Provider with most accurate pricing for Kona Intl-Hanoi Noibai flight deals.

Search Deals

Provider most trusted by Cheapflights users for Kona Intl-Hanoi Noibai flights.

Search Deals

From Kona Intl to Hanoi Noibai

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Kailua-KonaHanoi

KOA - HAN

KOAHAN

Kona Intl

Thu 9/3

10:25 pm-7:15 am

2 stops39h 50m

Hanoi Noibai

Mon 9/7

8:45 am-7:27 pm

2 stops51h 42m

$1,140

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

Sorted by cheapest first

Most accurate provider: When it comes to deals on Kailua-Kona-Hanoi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-Hanoi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kailua-Kona-Hanoi flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Kailua-Kona-Hanoi flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kailua-Kona-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kailua-Kona to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Kailua-Kona with our price prediction graph.

KOA-HAN

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Kailua-Kona to Hanoi?
Airlines like Qatar Airways fly from Kailua-Kona to Hanoi in about 39h 50m. The time it takes to get you to your destination can typically vary by up to . Kailua-Kona and Hanoi are separated by a distance of 6222 mi.
Can I find deals for flights from Kailua-Kona to Hanoi that include hotel bookings?
Yes. In addition to deals on Kailua-Kona to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kailua-Kona to Hanoi?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kailua-Kona to Hanoi.
Can I find deals for business class flights from Kailua-Kona to Hanoi?
Yes. Cheapflights offers flight deals from Kailua-Kona to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Hanoi flight routes

Other flight options

Other flights from Kailua-Kona

Popular flights

Alternative routes for Kailua-Kona to Hanoi

Honolulu to Ho Chi Minh City flights

Honolulu to Hanoi flights

Honolulu to Da Nang flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$1,140+ Cheap flights from Kailua-Kona (KOA) to Hanoi (HAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kailua-Kona to Hanoi with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kailua-Kona to Hanoi

Cheapest flights from Kailua-Kona to HanoiExplore the most affordable flight options available from Kailua-Kona to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.

Explore the most affordable flight options available from Kailua-Kona to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.

Best flights from Kailua-Kona to HanoiDiscover carefully curated flight deals from Kailua-Kona to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.

Discover carefully curated flight deals from Kailua-Kona to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.

Find flight deals from Kailua-Kona to Hanoi

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kailua-Kona to Hanoi that are best for you.

Best time to book a flight from Kailua-Kona to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Kailua-Kona with our price prediction graph.

Related info for your journey

How long is the flight from Kailua-Kona to Hanoi?

Can I find deals for flights from Kailua-Kona to Hanoi that include hotel bookings?

How can I find direct flights from Kailua-Kona to Hanoi?

Can I find deals for business class flights from Kailua-Kona to Hanoi?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kailua-Kona to Hanoi

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Hanoi by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Kailua-Kona to Hanoi by cabin class

Find flights from Kailua-Kona to Hanoi, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Hanoi

Explore flights to Hanoi departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 18, 2026.

Kailua-Kona and Hanoi flights

Browse other Kailua-Kona and Hanoi flight options. Last updated on July 18, 2026.

Other flights from Kailua-Kona

Browse through other flights departing from Kailua-Kona. Flights are based on user searches made on Cheapflights and were last updated on July 18, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Kailua-Kona to Hanoi
Explore the most affordable flight options available from Kailua-Kona to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.

Best flights from Kailua-Kona to Hanoi
Discover carefully curated flight deals from Kailua-Kona to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.