When did momondo last update prices for flights from Washington to Haiphong Catbi Airport?

Prices for flights from Washington to Haiphong Catbi Airport were last updated today.

How old do you have to be to fly from Washington to Haiphong Catbi Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Haiphong Catbi Airport.

What documentation or ID do you need to fly to Haiphong Catbi Airport?

The necessary travel and health documents for your Haiphong Catbi Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,642 Cheap Flights from Washington to Haiphong in 2026

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Find the cheapest flights from Washington to Haiphong

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:51 pm - 9:55 am

SEA

HPH

48h 04m

2 stops

11:55 pm - 1:35 pm

HPH

SEA

27h 40m

1 stop

$1,642Multiple Airlines

Wed, Apr 8 - Tue, Apr 28

12:30 am - 3:55 pm

SEA

HPH

25h 25m

2 stops

8:00 am - 7:30 pm

HPH

SEA

25h 30m

2 stops

$1,722Multiple Airlines

Tue, Apr 7 - Tue, Apr 28

2:45 pm - 9:55 am

SEA

HPH

29h 10m

1 stop

11:55 pm - 1:35 pm

HPH

SEA

27h 40m

1 stop

$1,904Multiple Airlines

Wed, Apr 8 - Tue, Apr 28

5:40 am - 11:00 pm

SEA

HPH

27h 20m

3 stops

6:20 am - 7:30 pm

HPH

SEA

27h 10m

3 stops

$1,916Multiple Airlines

Wed, Apr 8 - Tue, Apr 28

11:10 pm - 11:00 pm

SEA

HPH

33h 50m

3 stops

8:10 pm - 7:30 pm

HPH

SEA

37h 20m

2 stops

$1,936Multiple Airlines

Wed, Apr 8 - Tue, Apr 28

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHaiphong

SEA - HPH

SEAHPH

Seattle/Tacoma Intl

Wed 4/8

7:51 pm-9:55 am

2 stops48h 04m

Haiphong Catbi

Tue 4/28

11:55 pm-1:35 pm

1 stop27h 40m

$1,642

Quickest round-trip

SeattleHaiphong

SEA - HPH

SEAHPH

Seattle/Tacoma Intl

Tue 4/7

12:30 am-3:55 pm

2 stops25h 25m

Haiphong Catbi

Tue 4/28

8:00 am-7:30 pm

2 stops25h 30m

$1,722

SeattleHaiphong

SEA - HPH

SEAHPH

Seattle/Tacoma Intl

Wed 4/8

2:45 pm-9:55 am

1 stop29h 10m

Haiphong Catbi

Tue 4/28

11:55 pm-1:35 pm

1 stop27h 40m

$1,904

SeattleHaiphong

SEA - HPH

SEAHPH

Seattle/Tacoma Intl

Wed 4/8

5:40 am-11:00 pm

3 stops27h 20m

Haiphong Catbi

Tue 4/28

6:20 am-7:30 pm

3 stops27h 10m

$1,916

SeattleHaiphong

SEA - HPH

SEAHPH

Seattle/Tacoma Intl

Wed 4/8

11:10 pm-11:00 pm

3 stops33h 50m

Haiphong Catbi

Tue 4/28

8:10 pm-7:30 pm

2 stops37h 20m

$1,936

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Haiphong

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Haiphong?

Asiana Airlines, EVA Air and China Airlines are the top three most popular airlines that fly to Haiphong from State of Washington according to our data. Asiana Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Haiphong. Keep in mind that there are 8 different airlines that fly to Haiphong on a routine basis, so you have a few additional options to choose from.

Cheap State of Washington to Haiphong flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Haiphong

Fastest flight time	48h 04m
Direct flights	None

The fastest flight from State of Washington to Haiphong takes 48h 04m

There are no direct flights from State of Washington to Haiphong. There are no popular flight routes from State of Washington to Haiphong.

Search flight deals

When did momondo last update prices for flights from Washington to Haiphong Catbi Airport?
Prices for flights from Washington to Haiphong Catbi Airport were last updated today.
How old do you have to be to fly from Washington to Haiphong Catbi Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Haiphong Catbi Airport.
What documentation or ID do you need to fly to Haiphong Catbi Airport?
The necessary travel and health documents for your Haiphong Catbi Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Haiphong?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Haiphong. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to Haiphong with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Haiphong from Washington with this policy.

How can momondo help me find flights from Washington to Haiphong?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Haiphong from Washington.

I’m not ready to book a flight from Washington to Haiphong right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington to Haiphong now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Haiphong and let you know when they change.