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Haiphong

$1,549+ Cheap flights from Seattle (SEA) to Haiphong (HPH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HPH
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Seattle to Haiphong

Cheapest flights from Seattle to Haiphong
Explore the most affordable flight options available from Seattle to Haiphong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This IEagle deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:15 pm
SEA
-
HPH
2 stops50h 25m
Multiple Airlines
Tue 4/218:35 pm
HPH
-
SEA
2 stops54h 50m
Multiple Airlines
Deal found 1/28$1,549
This IEagle deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/284:05 pm
SEA
-
HPH
2 stops61h 45m
Multiple Airlines
Mon 2/27:40 pm
HPH
-
SEA
2 stops55h 55m
Multiple Airlines
Deal found 1/27$1,789

Find flight deals from Seattle to Haiphong

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Haiphong (HPH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Round-trip from

$1,549
(IEagle)
From Seattle/Tacoma Intl to Haiphong Catbi
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Haiphong that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Seattle to Haiphong that are best for you.

Fly from

Seattle

Fly to

Haiphong

Route

Depart

Return

Price

SeattleHaiphong

SEA - HPH

SEAHPH

Seattle/Tacoma Intl

Fri 4/10

5:15 pm-8:00 pm

2 stops60h 45m

Haiphong Catbi

Wed 4/22

8:35 pm-1:25 pm

2 stops54h 50m

$1,549

SeattleHaiphong

SEA - HPH

SEAHPH

Seattle/Tacoma Intl

Thu 4/9

5:15 pm-9:40 am

2 stops50h 25m

Haiphong Catbi

Tue 4/21

8:35 pm-1:25 pm

2 stops54h 50m

$1,549

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Best time to book a flight from Seattle to Haiphong

Have a flexible travel schedule? Discover the best time to fly to Haiphong from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Haiphong

What is the cheapest month to book a flight from Seattle to Haiphong?

Currently, September is the cheapest month in which you can book a flight from Seattle to Haiphong (average of $542). Flying from Seattle to Haiphong in June is currently the most expensive (average of $1,061). 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.

Related info for your journey

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

  • Can I find deals for flights from Seattle to Haiphong that include hotel bookings?

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

  • How can I find direct flights from Seattle to Haiphong?

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

  • Can I find deals for business class flights from Seattle to Haiphong?

    Yes. Cheapflights offers flight deals from Seattle 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.

  • What is the cheapest month to book a flight from Seattle to Haiphong?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Haiphong (average of $542). Flying from Seattle to Haiphong in June is currently the most expensive (average of $1,061). 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.

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