Cheap Flights to Cat Ba Island from HK$545

View HK$545 flight on Wed, 24 Sep 2025Opens in a new window

Popular airlines

  • Vietnam Airlines

    Vietnam Airlines

  • Cathay Pacific

    Cathay Pacific

  • Thai Airways International

    Thai Airways International

  • China Airlines

    China Airlines

  • EVA Airways

    EVA Airways

  • China Eastern Airlines

    China Eastern Airlines

  • Thai AirAsia

    Thai AirAsia

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Cat Ba Island

Prices were available within the past 7 days and start at HK$545 for one-way flights and HK$1,038 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

HK Express
Wed, 24 Sep - Fri, 26 Sep
HKG
Hong Kong SAR
HAN
Hanoi
HK$1,038 Return, just found
HK$1,038
Return
just found
Select HK Express flight, departing Wed, 24 Sep from Hong Kong SAR to Hanoi, returning Fri, 26 Sep, priced at HK$1,038 just found
Vietnam Airlines
Sun, 17 Aug - Sun, 24 Aug
HKG
Hong Kong SAR
HAN
Hanoi
HK$1,505 Return, just found
HK$1,505
Return
just found
Select Vietnam Airlines flight, departing Sun, 17 Aug from Hong Kong SAR to Hanoi, returning Sun, 24 Aug, priced at HK$1,505 just found
Philippine Airlines
Thu, 11 Dec - Mon, 15 Dec
HKG
Hong Kong SAR
HAN
Hanoi
HK$1,983 Return, found 2 days ago
HK$1,983
Return
found 2 days ago
Select Philippine Airlines flight, departing Thu, 11 Dec from Hong Kong SAR to Hanoi, returning Mon, 15 Dec, priced at HK$1,983 found 2 days ago
Cathay Pacific
Thu, 2 Oct - Tue, 7 Oct
HKG
Hong Kong SAR
HAN
Hanoi
HK$2,072 Return, just found
HK$2,072
Return
just found
Select Cathay Pacific flight, departing Thu, 2 Oct from Hong Kong SAR to Hanoi, returning Tue, 7 Oct, priced at HK$2,072 just found
Thai AirAsia
Wed, 24 Sep - Fri, 26 Sep
HKG
Hong Kong SAR
HAN
Hanoi
HK$2,109 Return, just found
HK$2,109
Return
just found
Select Thai AirAsia flight, departing Wed, 24 Sep from Hong Kong SAR to Hanoi, returning Fri, 26 Sep, priced at HK$2,109 just found

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$1,038 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$1,038 and HK$2,109. If you were heading one way from Hong Kong SAR (HKG), you could have gotten a cheap seat from just HK$545.
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$1,038 and HK$2,109. 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.
Flights to Cat Ba Island information
Destination airport
Cat Bi
Destination airport IATA code
HPH
Destination city name
Haiphong
Return price
HK$848

Trending flights to Cat Ba Island

Prices were available within the past 7 days and start at HK$545 for one-way flights and HK$1,038 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

HK Express
Wed, 24 Sep - Fri, 26 Sep
HKG
Hong Kong SAR
HAN
Hanoi
HK$1,038 Return, just found
HK$1,038
Return
just found
Select HK Express flight, departing Wed, 24 Sep from Hong Kong SAR to Hanoi, returning Fri, 26 Sep, priced at HK$1,038 just found
*Available to Expedia members.