HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hong Kong

$379+ Cheap flights from Portland (PDX) to Hong Kong (HKG)

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HKG
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Hong Kong with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 August 1, 2026.

This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:45 pm
PDX
-
HKG
1 stop18h 30m
Air Canada
Mon 10/199:45 am
HKG
-
PDX
2 stops29h 49m
Air Canada
Deal found 7/29$733
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:45 pm
PDX
-
HKG
1 stop18h 30m
Air Canada
Wed 9/169:45 am
HKG
-
PDX
1 stop24h 26m
Air Canada
Deal found 7/30$736
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:10 am
PDX
-
HKG
1 stop28h 05m
Air Canada
Thu 10/89:45 am
HKG
-
PDX
1 stop20h 06m
Air Canada
Deal found 7/29$737
This Justfly.com deal was found by Cheapflights users on 8/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:45 pm
PDX
-
HKG
2 stops55h 15m
Multiple Airlines
Mon 10/129:45 am
HKG
-
PDX
2 stops29h 49m
Multiple Airlines
Deal found 8/1$740
This Justfly.com deal was found by Cheapflights users on 7/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:30 pm
PDX
-
HKG
1 stop22h 45m
Multiple Airlines
Mon 9/1410:25 am
HKG
-
PDX
2 stops23h 46m
Multiple Airlines
Deal found 7/27$743
This Justfly.com deal was found by Cheapflights users on 7/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:10 am
PDX
-
HKG
1 stop28h 05m
Air Canada
Wed 11/412:35 pm
HKG
-
PDX
2 stops21h 56m
Air Canada
Deal found 7/30$744
This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:45 pm
PDX
-
HKG
1 stop18h 30m
Air Canada
Thu 9/179:45 am
HKG
-
PDX
1 stop14h 46m
Air Canada
Deal found 7/28$746
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:00 am
PDX
-
HKG
2 stops29h 15m
Multiple Airlines
Sun 11/18:05 pm
HKG
-
PDX
2 stops38h 26m
Multiple Airlines
Deal found 7/27$748
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:00 am
PDX
-
HKG
2 stops29h 15m
Multiple Airlines
Tue 9/297:45 pm
HKG
-
PDX
2 stops38h 26m
Multiple Airlines
Deal found 7/30$749
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:45 pm
PDX
-
HKG
2 stops36h 15m
Multiple Airlines
Tue 11/101:20 pm
HKG
-
PDX
2 stops21h 11m
Multiple Airlines
Deal found 7/29$750
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:45 pm
PDX
-
HKG
2 stops36h 15m
Multiple Airlines
Sun 11/812:55 am
HKG
-
PDX
2 stops29h 46m
Multiple Airlines
Deal found 7/29$751

Find flight deals from Portland to Hong Kong

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Hong Kong (HKG). 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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$733
(FlightHub)

One-way from

$379
(Air Canada)

Popular in

December

Cheapest in

January

Average price

$646
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 Intl
Search Deals
One-way flight from Portland to Hong Kong Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 August 1, 2026.
Use the filters below to find and compare flights from Portland to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Thu 10/15

10:56 am-5:00 am

1 stop27h 04m

Hong Kong Intl

Thu 11/5

10:35 am-2:37 pm

1 stop20h 02m

$960

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 10/28

5:36 am-7:20 pm

1 stop22h 44m

Hong Kong Intl

Mon 11/23

10:30 pm-10:46 pm

1 stop16h 16m

$960
Quickest round-trip

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Thu 11/5

9:00 am-7:20 pm

1 stop18h 20m

Hong Kong Intl

Wed 12/2

10:35 am-12:25 pm

1 stop17h 50m

$960

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Thu 11/5

1:25 pm-7:00 am

2 stops25h 35m

Hong Kong Intl

Tue 12/1

10:30 pm-12:54 am

1 stop18h 24m

$965

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Thu 11/5

1:25 pm-7:00 am

2 stops25h 35m

Hong Kong Intl

Thu 12/3

10:30 pm-12:54 am

1 stop18h 24m

$965

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 8/19

7:15 pm-6:55 pm

1 stop32h 40m

Hong Kong Intl

Wed 8/26

11:45 am-6:19 pm

1 stop21h 34m

$967

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 8/31

5:30 am-6:55 pm

1 stop22h 25m

Hong Kong Intl

Wed 9/16

12:40 pm-6:19 pm

2 stops20h 39m

$1,018

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 8/24

7:00 am-6:55 pm

1 stop20h 55m

Hong Kong Intl

Mon 8/31

11:45 am-10:45 pm

1 stop26h 00m

$1,028

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Thu 11/19

7:10 am-7:20 pm

1 stop20h 10m

Hong Kong Intl

Wed 12/23

10:35 am-6:25 pm

1 stop23h 50m

$1,028

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 10/19

1:03 pm-5:40 am

2 stops25h 37m

Hong Kong Intl

Thu 10/22

12:40 pm-6:31 pm

2 stops20h 51m

$1,031

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Portland to Hong Kong

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Hong Kong in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Hong Kong flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Hong Kong flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Hong Kong flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Hong Kong flights, Cheapflights users trust FlightHub the most. FlightHub 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 Portland-Hong Kong flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

To ensure you get the cheapest price possible for a flight from Portland to Hong Kong, you should look to book at least 58 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, January is the cheapest month in which you can book a flight from Portland to Hong Kong (average of $606). Flying from Portland to Hong Kong in December is currently the most expensive (average of $1,143). 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.

How much does it cost to fly round-trip from Portland to Hong Kong?

Airfare is above average for this route at the moment.

Portland to Hong Kong flights typically cost between $579 and $698 in September.
The cheapest round-trip price found within the last 5 days was $733 on Air Canada (Sep 14-Oct 20).

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 August 1, 2026.
See what other customers who have flown with Korean Air,Delta, andCathay Pacific from Portland to Hong Kong have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,223 reviews

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!
Korean Air
8.4
Very good
1,223 reviews
Korean Air
8.4
Very good
1,223 reviews

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!
Delta
7.8
Good
8,498 reviews
Korean Air
8.4
Very good
1,223 reviews

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!
Cathay Pacific
7.6
Good
1,436 reviews
Korean Air
8.4
Very good
1,223 reviews

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!
United Airlines
7.4
Good
10,063 reviews
Korean Air
8.4
Very good
1,223 reviews

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!
Air Canada
7.1
Good
11,415 reviews
Korean Air
8.4
Very good
1,223 reviews

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

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.

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

    United Airlines can get you from Portland to Hong Kong in just under 27h 04m. 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, Air Canada ($507), United Airlines ($578), and ANA ($582) offers the cheapest pricing from Portland to Hong Kong. You may be able to fly from Portland to Hong Kong for 36% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Portland to Hong Kong one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $287. Users have also found prices from $343 and $582 on United Airlines and Cathay Pacific, respectively.

  • Where are the most common layover locations when flying from Portland to Hong Kong?

    Of the flights from Portland to Hong Kong that have layovers, most of them stop in Vancouver.

  • What are some popular things to do or see while on a layover in Vancouver?

    If you're on a layover in Vancouver and looking for things to do, consider visiting Queen Elizabeth Theatre, Pacific Central Station, or Orpheum Theatre. Those on a layover in Vancouver interested in visiting Queen Elizabeth Theatre, Pacific Central Station, or Orpheum Theatre can do so by traveling 6.6 mi, 6.6 mi, and 6.5 mi, respectively from Vancouver Intl. Those on a layover in Vancouver in need of a rental car can book one at Vancouver Intl for about $59.

  • Where are the least popular layover locations for Portland to Hong Kong flights?

    Portland to Hong Kong flights have a layover in San Francisco least often.

  • 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, January is the cheapest month in which you can book a flight from Portland to Hong Kong (average of $606). Flying from Portland to Hong Kong in December is currently the most expensive (average of $1,143). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Hong Kong

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Hong Kong flights

Top 7 airlines flying from Portland to Hong Kong

Discover the top 7 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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$507Average$712FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$578Average$793FlexibilityNo cancel feeOn-time69%
ANACheapest$582Average$728FlexibilityNo cancel feeOn-time80%
Singapore AirlinesCheapest$761Average$1,150FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$783Average$918FlexibilityNo cancel feeOn-time81%
DeltaCheapest$902Average$1,096FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$1,007Average$1,353FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.