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Hong Kong

$339+ Cheap flights from Portland (PDX) to Hong Kong

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HKG
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Hong Kong are usually found in January or September, booked 63 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Find flight deals from Portland to Hong Kong

Cheapest flights from Portland to Hong Kong
Explore the most affordable flight options available from Portland to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 18, 2025.

This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amPDX - HKG
1 stop21h 20mUnited Airlines
Wed 12/310:35 amHKG - PDX
1 stop16h 28mUnited Airlines
Deal found 11/17$564
This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:00 pmPDX - HKG
1 stop25h 45mUnited Airlines
Thu 12/410:30 pmHKG - PDX
2 stops31h 07mUnited Airlines
Deal found 11/17$569
This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2410:05 amPDX - HKG
2 stops28h 55mUnited Airlines
Mon 12/811:25 amHKG - PDX
2 stops23h 16mUnited Airlines
Deal found 11/17$582
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amPDX - HKG
1 stop21h 20mUnited Airlines
Wed 12/1010:35 amHKG - PDX
1 stop16h 28mUnited Airlines
Deal found 11/18$590
This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amPDX - HKG
1 stop21h 20mUnited Airlines
Thu 12/410:00 amHKG - PDX
2 stops24h 41mUnited Airlines
Deal found 11/17$593
This United Airlines deal was found by Cheapflights users on 11/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:00 amPDX - HKG
2 stops33h 45mUnited Airlines
Mon 12/2211:25 amHKG - PDX
2 stops23h 23mUnited Airlines
Deal found 11/16$594
This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:55 pmPDX - HKG
1 stop22h 50mUnited Airlines
Fri 12/510:30 pmHKG - PDX
1 stop16h 22mUnited Airlines
Deal found 11/17$614
This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:10 amPDX - HKG
2 stops28h 50mUnited Airlines
Fri 12/510:30 pmHKG - PDX
1 stop16h 22mUnited Airlines
Deal found 11/17$619
This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:55 pmPDX - HKG
2 stops47h 05mUnited Airlines
Sat 12/611:25 amHKG - PDX
2 stops23h 16mUnited Airlines
Deal found 11/17$630
This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amPDX - HKG
1 stop21h 20mUnited Airlines
Sat 12/610:35 amHKG - PDX
1 stop16h 28mUnited Airlines
Deal found 11/17$640

Cheap flight deals from Portland to Hong Kong

Keep the following information in mind while searching for Portland to Hong Kong flight deals. Data was last updated November 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$562
(United Airlines)

One-way from

$339
(Fareboom)

Popular in

July

Cheapest in

January

Average price

$718
Provider with most accurate pricing for Portland-Hong Kong Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Hong Kong Intl flights.
Search Deals
From Portland to Hong Kong
Search Deals
One-way flight from Portland to Hong Kong
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Hong Kong 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 November 18, 2025.
Use the filters below to find and compare flights from Portland to Hong Kong that are best for you.

Fly from

Portland

Fly to

Hong Kong

Route

Depart

Return

Price

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 3/2

7:30 am-7:20 pm

1 stop19h 50m

Hong Kong Intl

Wed 3/4

10:35 am-6:47 pm

1 stop24h 12m

$564

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 12/2

10:10 am-7:00 am

2 stops28h 50m

Hong Kong Intl

Thu 12/4

10:30 pm-1:37 pm

2 stops31h 07m

$569

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 1/7

7:45 am-7:20 pm

1 stop19h 35m

Hong Kong Intl

Tue 1/27

2:20 pm-12:39 am

2 stops26h 19m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 3/24

7:30 am-7:20 pm

1 stop20h 50m

Hong Kong Intl

Mon 4/13

11:45 am-8:33 pm

1 stop23h 48m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 3/10

5:30 am-7:20 pm

1 stop22h 50m

Hong Kong Intl

Thu 4/16

11:45 am-4:28 pm

1 stop19h 43m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 1/12

3:50 pm-6:45 am

1 stop22h 55m

Hong Kong Intl

Mon 2/23

2:20 pm-12:38 pm

2 stops38h 18m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 2/11

7:45 am-7:20 pm

1 stop19h 35m

Hong Kong Intl

Wed 3/4

10:35 am-12:38 pm

1 stop18h 03m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 2/9

7:45 am-7:20 pm

1 stop19h 35m

Hong Kong Intl

Mon 3/9

10:30 pm-11:04 pm

1 stop15h 34m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 3/2

5:45 am-7:20 pm

1 stop21h 35m

Hong Kong Intl

Thu 3/12

10:35 am-6:47 pm

1 stop23h 12m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 1/20

9:10 am-10:20 pm

2 stops21h 10m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 19 results
1
2

Best time to book a flight from Portland to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Portland 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 Portland to Hong Kong

How far ahead should I book a flight from Portland to Hong Kong?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Hong Kong. Price data was last updated on November 14, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Hong Kong, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Portland to Hong Kong?

Currently, September is the cheapest month in which you can book a flight from Portland to Hong Kong (average of $532). Flying from Portland to Hong Kong in July is currently the most expensive (average of $866). 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.

What is the cheapest time of day to fly from PDX to HK?

Find hourly flight availability from Portland to Hong Kong. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 18, 2025.

It’s typically best to fly out from Portland to Hong Kong in the morning. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Hong Kong

Get insights into the airlines that provide service to Hong Kong. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hong Kong. Reviews last updated November 18, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, Korean Air, and Cathay Pacific from Portland to Hong Kong to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
230 reviews

Boarding

9.0

Comfort

8.9

Crew

9.2

Entertainment

8.9

Overall

8.9

Food

8.7

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
STARLUX Airlines
8.9
Very good
230 reviews
STARLUX Airlines
8.9
Very good
230 reviews

Boarding

9.0

Comfort

8.9

Crew

9.2

Entertainment

8.9

Overall

8.9

Food

8.7

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Korean Air
8.4
Very good
1,167 reviews
STARLUX Airlines
8.9
Very good
230 reviews

Boarding

9.0

Comfort

8.9

Crew

9.2

Entertainment

8.9

Overall

8.9

Food

8.7

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Cathay Pacific
7.6
Good
1,061 reviews
STARLUX Airlines
8.9
Very good
230 reviews

Boarding

9.0

Comfort

8.9

Crew

9.2

Entertainment

8.9

Overall

8.9

Food

8.7

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
United Airlines
7.4
Good
9,020 reviews
STARLUX Airlines
8.9
Very good
230 reviews

Boarding

9.0

Comfort

8.9

Crew

9.2

Entertainment

8.9

Overall

8.9

Food

8.7

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Air Canada
7.1
Good
10,462 reviews
STARLUX Airlines
8.9
Very good
230 reviews

Boarding

9.0

Comfort

8.9

Crew

9.2

Entertainment

8.9

Overall

8.9

Food

8.7

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Related info for your journey

Find useful and relevant information for your journey from Portland to Hong Kong. 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 from for flights from Portland to Hong Kong?

    Most people fly from Portland (PDX) if they book a flight from Portland to Hong Kong. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from Portland to Hong Kong?

    United Airlines can get you from Portland to Hong Kong in just under 19h 50m. Your travel time can differ by up to . The distance from Portland to Hong Kong is about 6555 mi.

  • What are the cheapest airlines flying from Portland to Hong Kong round-trip?

    According to our current data, United Airlines ($578), Air Canada ($621), and Korean Air ($793) offers the cheapest pricing from Portland to Hong Kong. You may be able to fly from Portland to Hong Kong for 33% less than the average price by searching for these airlines.

  • Can I find deals for flights from Portland to Hong Kong that include hotel bookings?

    Yes. In addition to deals on Portland to Hong Kong flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Hong Kong?

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

  • Can I find deals for business class flights from Portland to Hong Kong?

    Yes. Cheapflights offers flight deals from Portland to Hong Kong 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 Portland to Hong Kong?

    Currently, September is the cheapest month in which you can book a flight from Portland to Hong Kong (average of $532). Flying from Portland to Hong Kong in July is currently the most expensive (average of $866). 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.

See more FAQs

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Alternative routes for Portland to Hong Kong

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Top 5 airlines flying from Portland to Hong Kong

Discover the top 5 airlines that operate flights from Portland to Hong Kong. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$578Average$1,025FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$621Average$759FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$793Average$825FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$849Average$941FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$1,007Average$1,277FlexibilityNo cancel feeOn-time72%

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