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Cheap flights from Portland to Hong Kong from $452

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Hong Kong departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Hong Kong

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:30 pm - 5:15 am
PDX
-
HKG
22h 45m
1 stop
Air Canada Logo
9:45 am - 12:59 am
HKG
-
PDX
30h 14m
2 stops
$959Air Canada
Sun, Sep 20 - Tue, Oct 6
Air Canada Logo
10:00 am - 5:10 am
PDX
-
HKG
27h 10m
1 stop
Air Canada Logo
10:45 am - 9:26 am
HKG
-
PDX
14h 41m
1 stop
$962Air Canada
Wed, Nov 4 - Mon, Feb 15
Air Canada Logo
3:30 pm - 5:15 am
PDX
-
HKG
22h 45m
1 stop
Air Canada Logo
9:45 am - 9:31 am
HKG
-
PDX
14h 46m
1 stop
$963Air Canada
Tue, Sep 15 - Thu, Oct 8
Air Canada Logo
3:30 pm - 5:15 am
PDX
-
HKG
22h 45m
1 stop
Air Canada Logo
9:45 am - 9:31 am
HKG
-
PDX
14h 46m
1 stop
$964Air Canada
Tue, Sep 15 - Thu, Oct 8
Air Canada Logo
7:45 pm - 10:45 pm
PDX
-
HKG
36h 00m
2 stops
Air Canada Logo
9:45 am - 12:34 am
HKG
-
PDX
29h 49m
2 stops
$970Air Canada
Wed, Jun 24 - Mon, Sep 21
Air Canada Logo
7:10 pm - 5:10 am
PDX
-
HKG
18h 00m
1 stop
Air Canada Logo
10:45 am - 2:41 pm
HKG
-
PDX
19h 56m
1 stop
$972Air Canada
Mon, Nov 9 - Mon, Dec 7
Air Canada Logo
7:15 pm - 5:15 am
PDX
-
HKG
43h 00m
2 stops
Air Canada Logo
10:45 am - 6:31 pm
HKG
-
PDX
22h 46m
1 stop
$977Air Canada
Tue, Aug 18 - Wed, Oct 28
Air Canada Logo
3:15 pm - 5:10 am
PDX
-
HKG
21h 55m
1 stop
Air Canada Logo
10:45 am - 12:54 am
HKG
-
PDX
30h 09m
2 stops
$982Air Canada
Wed, Nov 4 - Mon, Feb 15
Air Canada Logo
7:45 pm - 10:45 pm
PDX
-
HKG
36h 00m
2 stops
Air Canada Logo
9:45 am - 2:51 pm
HKG
-
PDX
20h 06m
1 stop
$984Air Canada
Wed, Jun 24 - Mon, Sep 21
Air Canada Logo
9:00 am - 5:15 am
PDX
-
HKG
29h 15m
2 stops
Air Canada Logo
10:45 am - 8:33 pm
HKG
-
PDX
25h 48m
2 stops
$987Air Canada
Tue, Aug 25 - Tue, Nov 3

Korean Air flights from Portland to Hong Kong

Our best Korean Air deals on Portland to Hong Kong flight tickets
Korean Air
Sep 15
PDX9:40 amPortland
22h 05m
2 stops
HKG10:45 pmHong Kong Intl
Oct 7
HKG12:45 amHong Kong Intl
27h 33m
2 stops
PDX1:18 pmPortland
$1,053
Korean Air
Oct 22
PDX9:40 amPortland
34h 15m
2 stops
HKG10:55 amHong Kong Intl
Nov 1
HKG12:35 pmHong Kong Intl
42h 30m
2 stops
PDX4:05 pmPortland
$1,060
Korean Air
Nov 9
PDX5:10 pmPortland
31h 40m
2 stops
HKG4:50 pmHong Kong Intl
Dec 7
HKG12:55 amHong Kong Intl
34h 33m
2 stops
PDX7:28 pmPortland
$1,061

Air Canada flights from Portland to Hong Kong

Our best Air Canada deals on Portland to Hong Kong flight tickets
Air Canada
Sep 20
PDX3:30 pmPortland
22h 45m
1 stop
HKG5:15 amHong Kong Intl
Oct 6
HKG9:45 amHong Kong Intl
30h 14m
2 stops
PDX12:59 amPortland
$959
Air Canada
Nov 4
PDX10:00 amPortland
27h 10m
1 stop
HKG5:10 amHong Kong Intl
Feb 15
HKG10:45 amHong Kong Intl
14h 41m
1 stop
PDX9:26 amPortland
$962
Air Canada
Sep 15
PDX3:30 pmPortland
22h 45m
1 stop
HKG5:15 amHong Kong Intl
Oct 8
HKG9:45 amHong Kong Intl
14h 46m
1 stop
PDX9:31 amPortland
$963

momondo 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, momondo users made 832,500 searches. Data last updated May 26, 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

Sun 9/20

3:30 pm-5:15 am

1 stop22h 45m

Hong Kong Intl

Tue 10/6

9:45 am-12:59 am

2 stops30h 14m

$959

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 11/4

10:00 am-5:10 am

1 stop27h 10m

Hong Kong Intl

Mon 2/15

10:45 am-9:26 am

1 stop14h 41m

$962
Quickest round-trip

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/15

3:30 pm-5:15 am

1 stop22h 45m

Hong Kong Intl

Thu 10/8

9:45 am-9:31 am

1 stop14h 46m

$963

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/15

3:30 pm-5:15 am

1 stop22h 45m

Hong Kong Intl

Thu 10/8

9:45 am-9:31 am

1 stop14h 46m

$964

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 6/24

7:45 pm-10:45 pm

2 stops36h 00m

Hong Kong Intl

Mon 9/21

9:45 am-12:34 am

2 stops29h 49m

$970

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 11/9

7:10 pm-5:10 am

1 stop18h 00m

Hong Kong Intl

Mon 12/7

10:45 am-2:41 pm

1 stop19h 56m

$972

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 8/18

7:15 pm-5:15 am

2 stops43h 00m

Hong Kong Intl

Wed 10/28

10:45 am-6:31 pm

1 stop22h 46m

$977

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 11/4

3:15 pm-5:10 am

1 stop21h 55m

Hong Kong Intl

Mon 2/15

10:45 am-12:54 am

2 stops30h 09m

$982

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 6/24

7:45 pm-10:45 pm

2 stops36h 00m

Hong Kong Intl

Mon 9/21

9:45 am-2:51 pm

1 stop20h 06m

$984

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 8/25

9:00 am-5:15 am

2 stops29h 15m

Hong Kong Intl

Tue 11/3

10:45 am-8:33 pm

2 stops25h 48m

$987

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Hong Kong from

How to get the cheapest flight ticket from Portland to Hong Kong

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 is the typical price of a round-trip flight between Portland and Hong Kong?

What is the cheapest month to fly to Hong Kong?

The month of January is, on average, the cheapest month to fly to Hong Kong from Portland, with most prices found around $606. The month of August is another great option to travel to Hong Kong, with average flight prices from Portland averaging around $646.

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

You are more likely to see cheaper flights to Hong Kong from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $816 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from Portland for as low as $597 on momondo.

Can stopping save me money on Portland to Hong Kong flights?

You could potentially save up to 34% on your flight if you consider stops on a Portland to Hong Kong flight.

How have Portland to Hong Kong flight prices changed over time?

As of May 2026, prices for Portland to Hong Kong flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Portland to Hong Kong

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Hong Kong according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Hong Kong (PDX to HKG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Hong Kong

Fastest flight time

20h 50m

Direct flights

None
The fastest flight from Portland to Hong Kong takes 20h 50m
There are no direct flights from Portland to Hong Kong. There are no popular flight routes from Portland to Hong Kong.
Search flight deals

Frequently asked questions about flying from Portland to Hong Kong

  • How far is Portland to Hong Kong Intl by plane?

    Portland and Hong Kong Intl are 6544.3 mi apart from one another. A reasonable flight in good conditions will take 20h 50m.

  • When did momondo last update prices for flights from Portland Airport to Hong Kong Intl Airport?

    Prices for flights from Portland Airport to Hong Kong Intl Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Hong Kong Intl Airport?

  • How old do you have to be to fly from Portland Airport to Hong Kong Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Hong Kong Intl Airport.

  • What documentation or ID do you need to fly to Hong Kong Intl Airport?

    The required travel and health documents for your Hong Kong Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hong Kong Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland to Hong Kong?

Best airlines flying from Portland to Hong Kong

Compare and see reviews for airlines that fly from Portland to Hong Kong with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $514Free CancellationRating
7.1
11,090 reviews
Search Air Canada flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,748 reviews
Search United Airlines flights
ANAPriceFrom $582Free CancellationRating
8.3
1,215 reviews
Search ANA flights
Korean AirPriceFrom $793Free CancellationRating
8.4
1,217 reviews
Search Korean Air flights
Cathay PacificPriceFrom $1,007Free CancellationRating
7.6
1,344 reviews
Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Hong Kong?

Finding the right flight to Hong Kong from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Hong Kong quick and easy, saving you time and money.

Can I find flights from Portland to Hong Kong with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Hong Kong flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Hong Kong?

Once all potential Portland to Hong Kong flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Portland to Hong Kong flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Hong Kong trip

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Find better results for your trip to Hong Kong

Fly your favorite airline to Hong Kong

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Air Canada
United Airlines
Cathay Pacific
Korean Air
ANA