$837 Cheap Flights from Boston (BOS) to Haiphong (HPH)

View $837 flight on Fri, Apr 3, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Haiphong (HPH-Cat Bi)

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Cheap Flights from Boston to Haiphong (BOS-HPH)

Prices were available within the past 7 days and start at $837 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Boston (BOS) to Haiphong (HPH)
Origin airport
Logan Intl.
Destination airport
Cat Bi
Distance
8068 mi

Boston to Haiphong Flights

The cheapest times to fly from Boston to Haiphong

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 Boston to Haiphong are during the month of . You can find some of the cheapest flights from Boston to Haiphong with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Haiphong

Sunday is one of the best days to book for cheap flights from Boston to Haiphong: 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 Boston to Haiphong

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 Boston to Haiphong in 2025. You can also book with separate airlines for your outbound and return journeys, from $837 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 Boston to Haiphong 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 Boston to Haiphong 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 Logan Intl. Airport (BOS) to Cat Bi Airport (HPH) cost?
Grab a cheap one-way flight from $837 or cheap return flight from Logan Intl. Airport (BOS) to Cat Bi Airport (HPH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Cat Bi Airport (HPH)?
Flying in may help you find better deals, as it's the cheapest month for flights between BOS and HPH. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Cat Bi Airport (HPH)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from BOS to HPH. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Logan Intl. Airport (BOS) to Cat Bi Airport (HPH)?
There aren't any daily direct flights from Logan Intl. Airport (BOS) to Cat Bi Airport (HPH). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from BOS to HPH?
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 public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Cat Bi Airport (HPH)?
Choose a flight from Logan Intl. Airport (BOS) to Cat Bi Airport (HPH) that takes off before 3 PM to reduce the risk of cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Logan Intl. Airport (BOS) to Cat Bi Airport (HPH) last-minute?
Last-minute bookings from BOS to HPH are typically more expensive. For the lowest rates, start searching for flights well ahead of time. That being said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a BOS to HPH flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOS to HPH flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Cat Bi Airport (HPH)?
If you booked your BOS to HPH flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.