Panoramic view of Ha Long Bay islands, tourist boat and seascape, Ha Long, Vietnam.

Cheap Flights to Cat Ba Island from HK$561

View HK$561 flight on Sun, 14 Jun 2026Opens in a new window

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Cheap round-trip flights to Cat Ba Island

Prices were available within the past 7 days and start at HK$561 for one-way flights and HK$1,266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Fri, 28 Aug - Thu, 10 Sept
DMK
Bangkok
HAN
Hanoi
HK$1,266 Return, found 1 day ago
HK$1,266
Return
found 1 day ago
Select Thai AirAsia flight, departing Fri, 28 Aug from Bangkok to Hanoi, returning Thu, 10 Sept, priced at HK$1,266 found 1 day ago
HK Express
Mon, 26 Oct - Sat, 31 Oct
HKG
Hong Kong SAR
HAN
Hanoi
HK$1,411 Return, just found
HK$1,411
Return
just found
Select HK Express flight, departing Mon, 26 Oct from Hong Kong SAR to Hanoi, returning Sat, 31 Oct, priced at HK$1,411 just found
Vietjet Air
Thu, 15 Oct - Fri, 30 Oct
CAN
Guangzhou
HAN
Hanoi
HK$1,629 Return, found 1 day ago
HK$1,629
Return
found 1 day ago
Select Vietjet Air flight, departing Thu, 15 Oct from Guangzhou to Hanoi, returning Fri, 30 Oct, priced at HK$1,629 found 1 day ago
Philippines AirAsia
Fri, 24 Jul - Wed, 29 Jul
MNL
Manila
HAN
Hanoi
HK$1,813 Return, found 5 days ago
HK$1,813
Return
found 5 days ago
Select Philippines AirAsia flight, departing Fri, 24 Jul from Manila to Hanoi, returning Wed, 29 Jul, priced at HK$1,813 found 5 days ago
Jeju Air with Bag
Thu, 20 Aug - Sun, 23 Aug
ICN
Seoul
HAN
Hanoi
HK$1,968 Return, found 6 days ago
HK$1,968
Return
found 6 days ago
Select Jeju Air with Bag flight, departing Thu, 20 Aug from Seoul to Hanoi, returning Sun, 23 Aug, priced at HK$1,968 found 6 days ago

Frequently asked questions

How do I find cheap flights to Cat Ba Island that have flexible change policies?
By using our smart "No change fee" filter, that's how. Just enter your dates and other details, click "Search," then click the checkbox below the "Flexible change policies" subheading (look to the left of your screen). Expedia makes it a cinch to find affordable, flexible tickets to Cat Ba Island.
How can I find cheap tickets to Cat Ba Island?
A good strategy for walking away with cheap tickets is to be flexible with your dates. Begin with searching for your flight to Cat Ba Island, then click on the "flexible dates" link for a list of prices for nearby days. Another tip? Book ahead of time. For an idea of costs, HK$1,266 was the lowest price for a flight to Cat Ba Island in the last seven days.
How much is a flight to Cat Ba Island?
The price of a round-trip flight to Cat Ba Island in the last seven days varied between HK$1,266 and HK$1,968. If you were heading one way from Bangkok (DMK), you could have gotten a cheap seat from just HK$561.
When is the cheapest time to fly to Cat Ba Island?
Take off for Cat Ba Island earlier in the week and you'll usually be rewarded with lower-cost fares. Tuesday is typically the cheapest day to fly out, with Monday a close second. If you'd like to avoid the costliest flights, steer clear of Saturdays.
How much is a plane ticket to Cat Ba Island?
In the last seven days, plane tickets to Cat Ba Island cost between HK$1,266 and HK$1,968. Prices depend on the departure time, airline, seating class and how early you make your booking.
What months are the cheapest to book a flight to Cat Ba Island?
To grab a fabulous deal to Cat Ba Island, try to book during the month of February when ticket prices are at their lowest. When's the most expensive time? In the United States, it's the festive month of December.

Travel information

Destination airport
Noi Bai Intl.
Destination airport IATA code
HAN
Destination city name
Hanoi
Return price
HK$1,266

Trending flights to Cat Ba Island

Prices were available within the past 7 days and start at HK$561 for one-way flights and HK$1,266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

HK Express
Mon, 26 Oct - Sat, 31 Oct
HKG
Hong Kong SAR
HAN
Hanoi
HK$1,411 Return, just found
HK$1,411
Return
just found
Select HK Express flight, departing Mon, 26 Oct from Hong Kong SAR to Hanoi, returning Sat, 31 Oct, priced at HK$1,411 just found
*Available to Expedia members.