Q: E

Most accurate provider : When it comes to deals on Washington, D.C.-Haiphong flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C.-Haiphong flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Washington, D.C.-Haiphong flight searches over the past month and is updated monthly.

Q: E

Most trusted provider : When it comes to deals on Washington, D.C.-Haiphong flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Haiphong flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Question 1

What is the cheapest month to book a flight from Washington, D.C. to Haiphong?

Accepted Answer

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Haiphong (average of $633). Flying from Washington, D.C. to Haiphong in June is currently the most expensive (average of $1,324). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 2

E

Accepted Answer

In terms of precipitation, rainfall in Haiphong ranges from 0.8 - 13.0 inches per month. August is typically the wettest month, when rainfall can reach 13.0 in. January is typically the driest time to visit Haiphong when rainfall is around 0.8 in.

Question 3

E

Accepted Answer

If weather is an important factor for your trip to Haiphong, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Question 4

What is the cheapest time of day to fly from WAS to HPH?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Haiphong as you normally would.

Question 5

E

Accepted Answer

Most accurate provider: When it comes to deals on Washington, D.C.-Haiphong flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C.-Haiphong flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Washington, D.C.-Haiphong flight searches over the past month and is updated monthly.

Question 6

E

Accepted Answer

Most trusted provider: When it comes to deals on Washington, D.C.-Haiphong flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Haiphong flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Question 7

What airport do you fly into for flights to Haiphong from Washington, D.C.?

Accepted Answer

For a flight from Washington, D.C. to Haiphong, you will be flying into Catbi. Haiphong Catbi (HPH) is just 4.1 mi from the center of the city. Catbi is the only Haiphong airport and it handles 0 inbound flights from Washington, D.C. per day. 0 airlines have flights to Haiphong Catbi from Washington, D.C. on a regular basis.

Question 8

Can I find deals for flights from Washington, D.C. to Haiphong that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Washington, D.C. to Haiphong flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 9

How can I find direct flights from Washington, D.C. to Haiphong?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Haiphong.

Question 10

Can I find deals for business class flights from Washington, D.C. to Haiphong?

Accepted Answer

Yes. Cheapflights offers flight deals from Washington, D.C. to Haiphong by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Most accurate provider	Expedia 2 stars
Most trusted provider	Expedia 3 stars

$1,352+ Cheap flights from Washington, D.C. (WAS) to Haiphong (HPH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Washington, D.C. to HaiphongExplore the most affordable flight options available from Washington, D.C. to Haiphong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.

Explore the most affordable flight options available from Washington, D.C. to Haiphong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.

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What is the cheapest month to book a flight from Washington, D.C. to Haiphong?

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Haiphong. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Haiphong from Washington, D.C.?

Can I find deals for flights from Washington, D.C. to Haiphong that include hotel bookings?

How can I find direct flights from Washington, D.C. to Haiphong?

Can I find deals for business class flights from Washington, D.C. to Haiphong?

What is the cheapest month to book a flight from Washington, D.C. to Haiphong?

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Cheapest flights from Washington, D.C. to Haiphong
Explore the most affordable flight options available from Washington, D.C. to Haiphong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.