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HK$737+ Cheap flights to Southeast Asia

— BKK
2 Oct — 9 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Southeast Asia in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Southeast Asia

Mon 5-1022:40 -
Nonstop2h 20m
Sat 10-1021:10 -
Nonstop2h 20m
Deal found 31-8HK$1,121
Thu 8-1022:40 -
Nonstop2h 20m
Sun 11-1021:10 -
Nonstop2h 20m
Deal found 29-8HK$1,137
Fri 18-917:50 -
Nonstop2h 20m
Mon 21-921:10 -
Nonstop2h 20m
Deal found 30-8HK$1,152
Wed 16-917:50 -
Nonstop2h 20m
Sun 20-921:10 -
Nonstop2h 20m
Deal found 31-8HK$1,160
Sat 10-1022:40 -
Nonstop2h 20m
Sat 24-1021:10 -
Nonstop2h 20m
Deal found 1-9HK$1,168
Tue 10-1123:05 -
Nonstop2h 30m
Sat 14-1120:40 -
Nonstop2h 30m
Deal found 30-8HK$1,184
Mon 7-917:50 -
Nonstop2h 20m
Thu 24-921:10 -
Nonstop2h 20m
Deal found 31-8HK$1,200
Fri 23-1017:50 -
Nonstop2h 20m
Mon 16-1120:40 -
Nonstop2h 30m
Deal found 30-8HK$1,207
Sun 22-1109:25 -
Nonstop2h 25m
Sun 22-1120:40 -
Nonstop2h 30m
Deal found 31-8HK$1,215
Mon 26-1017:25 -
Nonstop2h 30m
Tue 10-1120:40 -
Nonstop2h 30m
Deal found 28-8HK$1,223
Wed 7-1022:40 -
Nonstop2h 20m
Mon 19-1021:10 -
Nonstop2h 20m
Deal found 1-9HK$1,231
Thu 8-1013:05 -
Nonstop1h 55m
Sun 11-1009:20 -
Nonstop1h 45m
Deal found 30-8HK$1,356

Find flights to Southeast Asia

Explore Southeast Asia
Flights to Bangkok
Flights to Manila
Flights to Ho Chi Minh City
Flights to Singapore
Flights to Denpasar
Flights to Kuala Lumpur
Flights to Hanoi
Flights to Phuket City
Flights to Da Nang
Flights to Jakarta
Flights to Phnom Penh
Flights to Chiang Mai
Flights to Angeles City
Flights to Boracay
Flights to Vientiane
Flights to Ko Samui
Flights to Siem Reap
Flights to Davao City
Flights to Krabi

Find flight deals to Southeast Asia

Return from

HK$1,388

One-way from

HK$737

Popular in

February

Cheapest in

January

Average price

HK$1,733
Thai Lion Air
  • Thai Lion Air
  • 16-9-21-9
  • Nonstop
  • 5h 30m total
  • Hong Kong to Bangkok
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HK Express
  • HK Express
  • 21-10
  • Nonstop
  • 2h 20m total
  • Hong Kong to Southeast Asia
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Highest demand for flights based on searches. 1% potential increase in price.
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Cheapest flight prices on average. 3% potential price decrease (HK$55 potential savings vs. average return price).
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Average for return flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Southeast Asia that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongKuala Lumpur

HKG Hong Kong Intl - KUL Kuala Lumpur Intl

HKGKUL

Hong Kong Intl

Mon 12-10

11:55-15:55

Nonstop4h 00m

Kuala Lumpur Intl

Sat 17-10

13:25-20:20

1 stop6h 55m

HK$2,046

Hong KongManila

HKG Hong Kong Intl - MNL Manila Ninoy Aquino Intl

HKGMNL

Hong Kong Intl

Mon 9-11

11:30-13:40

Nonstop2h 10m

Manila Ninoy Aquino Intl

Sun 22-11

15:20-17:50

Nonstop2h 30m

HK$2,070

Hong KongHanoi

HKG Hong Kong Intl - HAN Hanoi Noibai

HKGHAN

Hong Kong Intl

Fri 20-11

14:30-15:45

Nonstop2h 15m

Hanoi Noibai

Sat 5-12

10:30-13:30

Nonstop2h 00m

HK$2,140

Hong KongKuala Lumpur

HKG Hong Kong Intl - KUL Kuala Lumpur Intl

HKGKUL

Hong Kong Intl

Mon 12-10

20:45-18:15

1 stop21h 30m

Kuala Lumpur Intl

Sat 17-10

22:45-19:45

1 stop21h 00m

HK$2,187

Hong KongKuala Lumpur

HKG Hong Kong Intl - KUL Kuala Lumpur Intl

HKGKUL

Hong Kong Intl

Fri 11-12

14:50-18:55

Nonstop4h 05m

Kuala Lumpur Intl

Mon 14-12

19:50-23:50

Nonstop4h 00m

HK$2,336

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Fri 30-10

14:30-19:45

1 stop6h 15m

Da Nang

Mon 2-11

06:05-13:30

1 stop6h 25m

HK$2,368

Hong KongKuala Lumpur

HKG Hong Kong Intl - KUL Kuala Lumpur Intl

HKGKUL

Hong Kong Intl

Mon 12-10

13:35-00:25

1 stop10h 50m

Kuala Lumpur Intl

Sat 17-10

15:40-13:35

2 stops21h 55m

HK$2,430

Hong KongBangkok

HKG Hong Kong Intl - BKK Bangkok Suvarnabhumi

HKGBKK

Hong Kong Intl

Mon 16-11

21:00-23:15

Nonstop3h 15m

Bangkok Suvarnabhumi

Wed 18-11

13:45-17:40

Nonstop2h 55m

HK$2,438

Hong KongManila

HKG Hong Kong Intl - MNL Manila Ninoy Aquino Intl

HKGMNL

Hong Kong Intl

Sat 14-11

18:40-03:00

1 stop8h 20m

Manila Ninoy Aquino Intl

Sat 21-11

04:00-17:25

1 stop13h 25m

HK$2,438

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Sun 3-1

18:40-08:20

1 stop14h 40m

Da Nang

Sun 10-1

08:55-17:25

1 stop7h 30m

HK$2,462

Flights are sorted by cheapest return flights first.

Deals found on 1-9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to Southeast Asia

How long is the flight to Southeast Asia?

On average, a flight from Hong Kong to Southeast Asia takes 10 hours 38 minutes. Flights to Southeast Asia from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Southeast Asia

The most flights from Hong Kong to Southeast Asia are scheduled on a Monday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

What are the most popular airlines that fly to Southeast Asia?

The most popular airlines flying from Hong Kong to Southeast Asia are HK Express, 宿霧太平洋航空 and Cathay Pacific.

HK Express
HK Express
From HK$722
宿霧太平洋航空
宿霧太平洋航空
From HK$939
Cathay Pacific
Cathay Pacific
From HK$1,375
Philippine Airlines
Philippine Airlines
From HK$1,085

What are the cheapest airlines that fly to Southeast Asia?

The cheapest airlines flying from Hong Kong to Southeast Asia are Thai AirAsia, HK Express and Philippines AirAsia.

Rainfall in Southeast Asia by month

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 320.0 mm per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

Temperature in Southeast Asia by month

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

When is the best time to book a flight to Southeast Asia?

The price you pay for your flight to Southeast Asia may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

When is the cheapest time to fly to Southeast Asia?

Users looking for the lowest fares to Southeast Asia should consider flying on Monday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Wednesday mornings, when prices are usually at their highest.

Reviews of airlines servicing Southeast Asia

Read through reviews of airlines serving Southeast Asia, such as Cathay Pacific,Philippine Airlines, 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.
Cathay Pacific
7.6
Good
1,467 reviews
Check prices

Overall

7.6

Crew

8.1

Boarding

7.9

Entertainment

7.7

Food

7.3

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Cathay Pacific
7.6
Good
1,467 reviews
Cathay Pacific
7.6
Good
1,467 reviews
Check prices

Overall

7.6

Crew

8.1

Boarding

7.9

Entertainment

7.7

Food

7.3

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Philippine Airlines
7.3
Good
1,021 reviews
Cathay Pacific
7.6
Good
1,467 reviews
Check prices

Overall

7.6

Crew

8.1

Boarding

7.9

Entertainment

7.7

Food

7.3

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
HK Express
7.2
Good
47 reviews
Cathay Pacific
7.6
Good
1,467 reviews
Check prices

Overall

7.6

Crew

8.1

Boarding

7.9

Entertainment

7.7

Food

7.3

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
宿霧太平洋航空
6.8
Okay
220 reviews
Cathay Pacific
7.6
Good
1,467 reviews
Check prices

Overall

7.6

Crew

8.1

Boarding

7.9

Entertainment

7.7

Food

7.3

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

FAQs about flying to Southeast Asia

  • Can I find cheaper flights to Southeast Asia if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Southeast Asia on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Southeast Asia?

    Based on reviews from Cheapflights users, Thai AirAsia is rated the highest out of the airlines that fly to Southeast Asia.

  • How much is a return flight to Southeast Asia?

    A return flight to Southeast Asia will typically cost around HK$530, however they can be found for as little as HK$530.

  • Where does the fastest flight to Southeast Asia depart from?

    For those looking to save time traveling to Southeast Asia, Hong Kong Intl offers the quickest one-way flight (1 hour 50 minutes).

  • Does Bangkok Suvarnabhumi have rental cars?

    Yes. Those touching down at Bangkok Suvarnabhumi can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Bangkok Suvarnabhumi?

    Yes. Bangkok Suvarnabhumi has hotels nearby for those requiring accommodations. Louis Tavern Dayrooms At Suvarnabhumi Airport is the closest property to Bangkok Suvarnabhumi (0.0 km away from Bangkok Suvarnabhumi).

See more FAQs

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How does Cheapflights help users find flights to Southeast Asia?

Deals for Southeast Asia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Southeast Asia 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 to Southeast Asia with no change fees?

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

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

Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

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