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Cheap flights from Hong Kong to Southeast Asia

HKG — BKK
22 Oct — 29 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Hong Kong to Southeast Asia

Popular in

December

Cheapest in

November

Average price

C$ 269
Highest demand for flights based on searches. 1% potential increase in price (C$ 6 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 15 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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?

The best time to book flights from Hong Kong to Southeast Asia is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 C$ 289). Flying from Hong Kong to Southeast Asia in December is currently the most expensive (average of C$ 429). 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?

A simple way to save on the total cost of your ticket is to fly from Hong Kong to Southeast Asia in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight at noon.

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

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

Reviews of airlines servicing Southeast Asia

See what other customers who have flown with Singapore Airlines,Vietnam Airlines, andHK Express from Hong Kong to Southeast Asia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,607 reviews
Check prices

Crew

8.6

Entertainment

8.1

Overall

8.2

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Singapore Airlines
8.2
Very good
1,607 reviews
Singapore Airlines
8.2
Very good
1,607 reviews
Check prices

Crew

8.6

Entertainment

8.1

Overall

8.2

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Vietnam Airlines
7.7
Good
288 reviews
Singapore Airlines
8.2
Very good
1,607 reviews
Check prices

Crew

8.6

Entertainment

8.1

Overall

8.2

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
HK Express
7.2
Good
47 reviews
Singapore Airlines
8.2
Very good
1,607 reviews
Check prices

Crew

8.6

Entertainment

8.1

Overall

8.2

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Cebu Pacific
6.8
Okay
222 reviews
Singapore Airlines
8.2
Very good
1,607 reviews
Check prices

Crew

8.6

Entertainment

8.1

Overall

8.2

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Hong Kong Airlines
6.2
Okay
32 reviews
Singapore Airlines
8.2
Very good
1,607 reviews
Check prices

Crew

8.6

Entertainment

8.1

Overall

8.2

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.

Related info for your journey

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

    Most people fly from Hong Kong Intl (HKG) if they book a flight from Hong Kong to Southeast Asia. Hong Kong Intl is conveniently located just 26.0 km from Hong Kong’s city centre.

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

    To fly one-way, consider booking your trip with HK Express, which is currently one of the cheapest options available, starting at C$ 87. Philippines AirAsia flights start at C$ 95 while deals on Thai Lion Air start at C$ 105 one-way.

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

    The most popular route from Hong Kong to Southeast Asia is Hong Kong Intl - Bangkok Suvarnabhumi. You may also consider Hong Kong Intl - Phuket City or Hong Kong Intl - Singapore Changi.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Hong Kong to Southeast Asia on time: United Airlines (84%), American Airlines (78%), 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 C$ 460, our data indicates the cheapest price to be C$ 160. The most popular route (Hong Kong Intl - Bangkok Suvarnabhumi), is priced around C$ 299.

  • 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 vacation 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 C$ 289). Flying from Hong Kong to Southeast Asia in December is currently the most expensive (average of C$ 429). 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 8 airlines flying from Hong Kong to Southeast Asia

AirlineCheapestAverageFlexibilityOn-time
Cebu PacificCheapestC$ 164AverageC$ 237FlexibilityNo cancel feeOn-time64%
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HK ExpressCheapestC$ 176AverageC$ 309FlexibilityNo cancel feeOn-time90%
Search HK Express flights
Thai Lion AirCheapestC$ 185AverageC$ 285FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
VietJet AirCheapestC$ 202AverageC$ 317FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
Philippine AirlinesCheapestC$ 250AverageC$ 416FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Vietnam AirlinesCheapestC$ 361AverageC$ 372FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Cathay PacificCheapestC$ 371AverageC$ 576FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Singapore AirlinesCheapestC$ 395AverageC$ 476FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines 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 helps you find that perfect flight to Southeast Asia from Hong Kong by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Hong Kong to Southeast Asia, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from Hong Kong to Southeast Asia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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