$6,209 Cheap Flights from Detroit (DTW) to Haiphong (HPH)

View $6,209 flight on Wed, Jul 16, 2025Opens in a new window

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Haiphong (HPH-Cat Bi)

Find available prices by choosing your travel dates.

Cheap Flights from Detroit to Haiphong (DTW-HPH)

Prices were available within the past 7 days and start at $6,209 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Detroit (DTW) to Haiphong (HPH)
Origin airport
Detroit Metropolitan Wayne County
Destination airport
Cat Bi
Distance
8033 mi

Detroit to Haiphong Flights

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

The best time to book a flight from Detroit to Haiphong

Sunday is one of the best days to book for cheap flights from Detroit 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 Detroit 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 Detroit to Haiphong in 2025. You can also book with separate airlines for your outbound and return journeys, from $6,209 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 Detroit 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 Detroit 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 Detroit Metropolitan Wayne County Airport (DTW) to Cat Bi Airport (HPH) cost?
Discover the latest flight deals from DTW to HPH 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 DTW to HPH?
The cheapest flights from DTW to HPH 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 DTW to HPH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from DTW to HPH. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Cat Bi Airport (HPH)?
You’ll have to hop on a flight with a layover if you’re traveling from Detroit Metropolitan Wayne County Airport (DTW) to Cat Bi Airport (HPH). Direct flights don’t operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from DTW to HPH?
Generally you’ll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Cat Bi Airport (HPH)?
To reach Cat Bi Airport (HPH) on time, opt for a flight that leaves from Detroit Metropolitan Wayne County Airport (DTW) 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 Detroit Metropolitan Wayne County Airport (DTW) to Cat Bi Airport (HPH) last-minute?
Holding off until just before your trip to book your flight from DTW to HPH often results in higher prices. While you may find some last-minute offers, they’re not always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a DTW to HPH flight and hotel package?
Compared with arranging hotels and flights separately, booking a DTW to HPH flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Cat Bi Airport (HPH)?
If you reserved your DTW to HPH flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.