$212 Cheap Flights from Haiphong (HPH) to Singapore (SIN)

View $212 flight on Sun, Aug 3, 2025Opens in a new window

Popular airlines from Haiphong (HPH-Cat Bi) to Singapore Changi Airport (SIN)

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Cheap Flights from Haiphong to Singapore (HPH-SIN)

Prices were available within the past 7 days and start at $212 for one-way flights and $312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Vietnam Airlines
Fri, Sep 12 - Fri, Sep 19
HPH
Hai Phong
SIN
Singapore
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select Vietnam Airlines flight, departing Fri, Sep 12 from Hai Phong to Singapore, returning Fri, Sep 19, priced at $312 found 1 day ago
Flights from Haiphong (HPH) to Singapore (SIN)
Origin airport
Cat Bi
Destination airport
Changi
Roundtrip price
$312
Distance
1357 mi

Haiphong to Singapore Flights

The cheapest times to fly from Haiphong to Singapore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Haiphong to Singapore are during the month of September. You can find some of the cheapest flights from Haiphong to Singapore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Haiphong to Singapore

Sunday is one of the best days to book for cheap flights from Haiphong to Singapore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Haiphong to Singapore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Haiphong to Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $212 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Haiphong to Singapore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Haiphong to Singapore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Cat Bi Airport (HPH) to Changi Airport (SIN) cost?
Discover the latest flight deals from HPH to SIN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HPH to SIN?
The cheapest flights from HPH to SIN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from HPH to SIN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from HPH to SIN. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Cat Bi Airport (HPH) to Changi Airport (SIN)?
There aren't any daily nonstop flights available from Cat Bi Airport (HPH) to Changi Airport (SIN). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from HPH to SIN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cat Bi Airport (HPH) to Changi Airport (SIN)?
To reach Changi Airport (SIN) on schedule, opt for a flight that leaves from Cat Bi Airport (HPH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cat Bi Airport (HPH) to Changi Airport (SIN) last-minute?
Holding off until right before your break to book a flight from HPH to SIN generally means paying more. While you might find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a HPH to SIN flight and hotel package?
Compared with arranging flights and hotels separately, booking a HPH to SIN flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the hassle out of travel planning. Just pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Cat Bi Airport (HPH) to Changi Airport (SIN)?
In most cases, you can reschedule or cancel your HPH to SIN flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.