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

Cheap Flights to Cat Ba Island from HK$436

View HK$436 flight on Wed, 21 Oct 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$436 for one-way flights and HK$947 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Vietjet Air
Sun, 20 Sept - Wed, 23 Sept
SGN
Ho Chi Minh City
HAN
Hanoi
HK$947 Return, found 4 days ago
HK$947
Return
found 4 days ago
Select Vietjet Air flight, departing Sun, 20 Sept from Ho Chi Minh City to Hanoi, returning Wed, 23 Sept, priced at HK$947 found 4 days ago
Hahn Air Systems
Sun, 20 Sept - Wed, 23 Sept
SGN
Ho Chi Minh City
HAN
Hanoi
HK$1,239 Return, found 4 days ago
HK$1,239
Return
found 4 days ago
Select Hahn Air Systems flight, departing Sun, 20 Sept from Ho Chi Minh City to Hanoi, returning Wed, 23 Sept, priced at HK$1,239 found 4 days ago
FlexFlight
Sun, 20 Sept - Wed, 23 Sept
SGN
Ho Chi Minh City
HAN
Hanoi
HK$1,242 Return, found 4 days ago
HK$1,242
Return
found 4 days ago
Select FlexFlight flight, departing Sun, 20 Sept from Ho Chi Minh City to Hanoi, returning Wed, 23 Sept, priced at HK$1,242 found 4 days ago
Vietnam Airlines
Mon, 21 Sept - Wed, 23 Sept
SGN
Ho Chi Minh City
HAN
Hanoi
HK$1,366 Return, found 5 days ago
HK$1,366
Return
found 5 days ago
Select Vietnam Airlines flight, departing Mon, 21 Sept from Ho Chi Minh City to Hanoi, returning Wed, 23 Sept, priced at HK$1,366 found 5 days ago
HK Express
Sun, 6 Sept - Sat, 12 Sept
HKG
Hong Kong SAR
HAN
Hanoi
HK$1,411 Return, just found
HK$1,411
Return
just found
Select HK Express flight, departing Sun, 6 Sept from Hong Kong SAR to Hanoi, returning Sat, 12 Sept, priced at HK$1,411 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$947 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$947 and HK$1,411. If you were heading one way from Ho Chi Minh City (SGN), you could have gotten a cheap seat from just HK$436.
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$947 and HK$1,411. 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$947

Trending flights to Cat Ba Island

Prices were available within the past 7 days and start at HK$436 for one-way flights and HK$947 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

HK Express
Sun, 6 Sept - Sat, 12 Sept
HKG
Hong Kong SAR
HAN
Hanoi
HK$1,411 Return, just found
HK$1,411
Return
just found
Select HK Express flight, departing Sun, 6 Sept from Hong Kong SAR to Hanoi, returning Sat, 12 Sept, priced at HK$1,411 just found
*Available to Expedia members.