Find flights
When to book
Airlines
FAQs

Cheap flights from Hong Kong to Southeast Asia

HKG — BKK
23 Oct — 30 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Hong Kong to Southeast Asia

Popular in

February

Cheapest in

January

Average price

$329
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to Southeast Asia

How far ahead should I book a flight from Hong Kong to Southeast Asia?

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hong Kong to Southeast Asia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Hong Kong to Southeast Asia?

Currently, January is the cheapest month in which you can book a flight from Hong Kong to Southeast Asia (average of $290). Flying from Hong Kong to Southeast Asia in December is currently the most expensive (average of $430). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HKG to YJX?

When flying from Hong Kong to Southeast Asia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the morning.

What is the cheapest day to fly from Hong Kong to Southeast Asia?

Travellers seeking maximum savings on their Hong Kong to Southeast Asia flight should consider departing on Tuesday at midday when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Southeast Asia

Read through reviews of airlines operating flights from Hong Kong to Southeast Asia, such as Vietnam Airlines,Cathay Pacific, andHK Express. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.7
Good
288 reviews
Check prices

Crew

8.3

Entertainment

6.3

Food

6.9

Comfort

7.7

Overall

7.7

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Vietnam Airlines
7.7
Good
288 reviews
Vietnam Airlines
7.7
Good
288 reviews
Check prices

Crew

8.3

Entertainment

6.3

Food

6.9

Comfort

7.7

Overall

7.7

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Cathay Pacific
7.6
Good
1,494 reviews
Vietnam Airlines
7.7
Good
288 reviews
Check prices

Crew

8.3

Entertainment

6.3

Food

6.9

Comfort

7.7

Overall

7.7

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
HK Express
7.2
Good
47 reviews
Vietnam Airlines
7.7
Good
288 reviews
Check prices

Crew

8.3

Entertainment

6.3

Food

6.9

Comfort

7.7

Overall

7.7

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Cebu Pacific
6.8
Okay
222 reviews
Vietnam Airlines
7.7
Good
288 reviews
Check prices

Crew

8.3

Entertainment

6.3

Food

6.9

Comfort

7.7

Overall

7.7

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Hong Kong Airlines
6.2
Okay
32 reviews
Vietnam Airlines
7.7
Good
288 reviews
Check prices

Crew

8.3

Entertainment

6.3

Food

6.9

Comfort

7.7

Overall

7.7

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Related info for your journey

  • What airport do you fly from for flights from Hong Kong to Southeast Asia?

    For a flight from Hong Kong to Southeast Asia, you will be flying from Hong Kong Intl. Hong Kong Intl (HKG) is just 26.0 km from the centre of the city.

  • What are the cheapest airlines to fly from Hong Kong to Southeast Asia one-way?

    The cheapet airlines for a one-way flight from Hong Kong to Southeast Asia are HK Express ($76), Thai Lion Air ($91), and Cebu Pacific ($114).

  • What are the most popular routes from Hong Kong to Southeast Asia?

    When deciding which route to take from Hong Kong to Southeast Asia, consider Hong Kong Intl - Ho Chi Minh City, Hong Kong Intl - Bangkok Suvarnabhumi or Hong Kong Intl - Da Nang, as they are the most popular.

  • What are the most reliable airlines from Hong Kong to Southeast Asia?

    The top 3 most reliable airlines when flying from Hong Kong to Southeast Asia are United Airlines (84%), American Airlines (78%) and British Airways (78%).

  • What are the cheapest flights from Hong Kong to Southeast Asia?

    Looking for the cheapest flight from Hong Kong to Southeast Asia? While on average our users pay $545, our data indicates the cheapest price to be $219. The most popular route (Hong Kong Intl - Ho Chi Minh City), is priced around $170.

  • Can I find deals for flights from Hong Kong to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Southeast Asia.

  • Can I find deals for business class flights from Hong Kong to Southeast Asia?

    Yes. Cheapflights offers flight deals from Hong Kong to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hong Kong to Southeast Asia?

    Currently, January is the cheapest month in which you can book a flight from Hong Kong to Southeast Asia (average of $290). Flying from Hong Kong to Southeast Asia in December is currently the most expensive (average of $430). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Hong Kong to Southeast Asia

AirlineCheapestAverageFlexibilityOn-time
HK ExpressCheapest$70Average$297FlexibilityNo cancel feeOn-time90%
Search HK Express flights
Cebu PacificCheapest$203Average$561FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
Hong Kong AirlinesCheapest$295Average$366FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Vietnam AirlinesCheapest$336Average$366FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Cathay PacificCheapest$410Average$553FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

How does Cheapflights help users find flights from Hong Kong to Southeast Asia?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Southeast Asia from Hong Kong today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Southeast Asia?

Cheapflights simply makes it quick and affordable to book flights from Hong Kong to Southeast Asia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Hong Kong to Southeast Asia with no change fees?

Yes, we can. To see specific flights from Hong Kong to Southeast Asia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Hong Kong to Southeast Asia become cheaper?

Yes, Cheapflights offers price alerts on Hong Kong to Southeast Asia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.