Find flights
Deals
Airlines

HK$722+ Cheap flights to Southeast Asia

— BKK
15 Oct — 22 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

Tue 13-1017:50 -
Nonstop2h 20m
Tue 20-1021:10 -
Nonstop2h 20m
Deal found 10-9HK$1,137
Wed 4-1117:25 -
Nonstop2h 30m
Tue 10-1102:20 -
Nonstop2h 30m
Deal found 9-9HK$1,145
Thu 8-1022:40 -
Nonstop2h 20m
Mon 12-1021:10 -
Nonstop2h 20m
Deal found 10-9HK$1,153
Sat 10-1022:40 -
Nonstop2h 20m
Tue 20-1021:10 -
Nonstop2h 20m
Deal found 10-9HK$1,169
Sun 11-1017:50 -
Nonstop2h 20m
Sun 25-1020:40 -
Nonstop2h 30m
Deal found 11-9HK$1,176
Mon 12-1017:50 -
Nonstop2h 20m
Sat 17-1021:10 -
Nonstop2h 20m
Deal found 10-9HK$1,184
Fri 16-1017:50 -
Nonstop2h 20m
Tue 20-1021:10 -
Nonstop2h 20m
Deal found 10-9HK$1,192
Mon 12-1017:50 -
Nonstop2h 20m
Thu 29-1020:40 -
Nonstop2h 30m
Deal found 11-9HK$1,200
Wed 14-1009:25 -
Nonstop2h 25m
Tue 20-1021:10 -
Nonstop2h 20m
Deal found 10-9HK$1,208
Tue 27-1014:00 -
Nonstop2h 25m
Tue 3-1120:40 -
Nonstop2h 30m
Deal found 11-9HK$1,216
Sun 25-1009:25 -
Nonstop2h 25m
Sat 31-1002:20 -
Nonstop2h 30m
Deal found 10-9HK$1,224
Mon 12-1017:50 -
Nonstop2h 20m
Sun 25-1020:40 -
Nonstop2h 30m
Deal found 11-9HK$1,231

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$1,420

One-way from

HK$722

Popular in

February

Cheapest in

January

Average price

HK$1,812
Thai Lion Air
  • Thai Lion Air
  • 22-9-29-9
  • Nonstop
  • 5h 35m total
  • Hong Kong to Bangkok
Search Deals
HK Express
  • HK Express
  • 10-11-31-12
  • Nonstop
  • 2h 30m total
  • Hong Kong to Southeast Asia
Search Deals
Highest demand for flights based on searches. 1% potential increase in price.
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$55 potential savings vs. average return price).
Search Deals
Average for return flights in September 2026
Search Deals

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 KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Mon 5-10

18:50-19:50

Nonstop2h 00m

Da Nang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$800
Fastest return journey

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Tue 17-11

08:25-09:20

Nonstop1h 55m

Da Nang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$800

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Sat 10-10

18:50-19:50

Nonstop2h 00m

Da Nang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$800

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Fri 6-11

19:00-20:05

Nonstop2h 05m

Da Nang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$800

Hong KongDa Nang

HKG Hong Kong Intl - DAD Da Nang

HKGDAD

Hong Kong Intl

Tue 6-10

02:00-03:00

Nonstop2h 00m

Da Nang

Wed 31-12

00:00-00:00

Nonstop0h 00m

HK$800

Hong KongBangkok

HKG Hong Kong Intl - DMK Bangkok Don Mueang Intl

HKGDMK

Hong Kong Intl

Mon 30-11

14:00-15:45

Nonstop2h 45m

Bangkok Don Mueang Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$824

Hong KongBangkok

HKG Hong Kong Intl - BKK Bangkok Suvarnabhumi

HKGBKK

Hong Kong Intl

Sat 14-11

16:55-19:00

Nonstop3h 05m

Bangkok Suvarnabhumi

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$855

Hong KongPhuket City

HKG Hong Kong Intl - HKT Phuket City

HKGHKT

Hong Kong Intl

Tue 6-10

07:55-10:30

Nonstop3h 35m

Phuket City

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$925

Hong KongBangkok

HKG Hong Kong Intl - DMK Bangkok Don Mueang Intl

HKGDMK

Hong Kong Intl

Thu 10-12

20:25-22:15

Nonstop2h 50m

Bangkok Don Mueang Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$973

Hong KongPhuket City

HKG Hong Kong Intl - HKT Phuket City

HKGHKT

Hong Kong Intl

Sun 20-9

07:55-10:30

Nonstop3h 35m

Phuket City

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$988

Flights are sorted by cheapest return flights first.

Deals found on 10-9

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 11 hours 19 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 Friday (61 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (46 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$792
宿霧太平洋航空
宿霧太平洋航空
From HK$947
Cathay Pacific
Cathay Pacific
From HK$1,376
Philippine Airlines
Philippine Airlines
From HK$1,086

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 42 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
1,486 reviews
Check prices

Overall

7.6

Entertainment

7.8

Boarding

7.9

Comfort

7.6

Crew

8.1

Food

7.3

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
1,486 reviews
Cathay Pacific
7.6
Good
1,486 reviews
Check prices

Overall

7.6

Entertainment

7.8

Boarding

7.9

Comfort

7.6

Crew

8.1

Food

7.3

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
1,026 reviews
Cathay Pacific
7.6
Good
1,486 reviews
Check prices

Overall

7.6

Entertainment

7.8

Boarding

7.9

Comfort

7.6

Crew

8.1

Food

7.3

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
1,486 reviews
Check prices

Overall

7.6

Entertainment

7.8

Boarding

7.9

Comfort

7.6

Crew

8.1

Food

7.3

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
1,486 reviews
Check prices

Overall

7.6

Entertainment

7.8

Boarding

7.9

Comfort

7.6

Crew

8.1

Food

7.3

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$531, however they can be found for as little as HK$531.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Search flights to Southeast Asia by cabin class

First Class flights to Southeast Asia
Business Class flights to Southeast Asia
Prem Economy Class flights to Southeast Asia
Economy Class flights to Southeast Asia

Fly with Cheapflights

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!

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.