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Cheap flights from Portland to Hong Kong from $421

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 9/9. 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.
Multiple Airlines Logo
10:45 am - 11:00 pm
PDX
-
HKG
21h 15m
2 stops
Multiple Airlines Logo
1:00 pm - 5:00 pm
HKG
-
PDX
19h 00m
2 stops
$901Multiple Airlines
Wed, Sep 16 - Fri, Oct 16
Delta Logo
1:00 pm - 5:05 am
PDX
-
HKG
25h 05m
1 stop
Delta Logo
12:55 am - 4:34 pm
HKG
-
PDX
31h 39m
2 stops
$950Delta
Thu, Oct 15 - Mon, Nov 16
Delta Logo
10:00 am - 5:05 am
PDX
-
HKG
28h 05m
1 stop
Delta Logo
10:45 am - 12:18 pm
HKG
-
PDX
17h 33m
1 stop
$952Delta
Thu, Oct 15 - Thu, Nov 19
Korean Air Logo
9:40 am - 10:45 pm
PDX
-
HKG
22h 05m
2 stops
Korean Air Logo
12:45 am - 10:26 pm
HKG
-
PDX
36h 41m
2 stops
$953Korean Air
Tue, Sep 15 - Wed, Oct 7
Delta Logo
7:10 am - 11:10 pm
PDX
-
HKG
25h 00m
2 stops
Delta Logo
12:55 am - 3:05 pm
HKG
-
PDX
30h 10m
2 stops
$957Delta
Thu, Oct 29 - Mon, Nov 2
Delta Logo
5:30 am - 10:45 pm
PDX
-
HKG
26h 15m
2 stops
Delta Logo
9:25 am - 4:13 pm
HKG
-
PDX
21h 48m
1 stop
$959Delta
Tue, Sep 15 - Thu, Oct 8
Korean Air Logo
9:40 am - 10:55 am
PDX
-
HKG
34h 15m
2 stops
Korean Air Logo
12:55 am - 1:18 pm
HKG
-
PDX
28h 23m
2 stops
$961Korean Air
Mon, Oct 19 - Sun, Nov 15
Korean Air Logo
6:30 am - 10:45 pm
PDX
-
HKG
25h 15m
2 stops
Korean Air Logo
12:45 am - 1:18 pm
HKG
-
PDX
27h 33m
2 stops
$962Korean Air
Tue, Sep 15 - Wed, Oct 7
Korean Air Logo
11:10 am - 11:10 pm
PDX
-
HKG
45h 00m
2 stops
Korean Air Logo
12:55 am - 1:18 pm
HKG
-
PDX
28h 23m
2 stops
$966Korean Air
Sun, Oct 25 - Mon, Nov 2
Korean Air Logo
7:55 pm - 10:45 pm
PDX
-
HKG
35h 50m
2 stops
Korean Air Logo
6:10 pm - 1:18 pm
HKG
-
PDX
35h 08m
2 stops
$968Korean Air
Sun, Oct 18 - Tue, Nov 17

Qatar Airways flights from Portland to Hong Kong

Our best Qatar Airways deals on Portland to Hong Kong flight tickets
Qatar Airways
Aug 18
PDX5:00 amPortland
43h 10m
2 stops
HKG3:10 pmHong Kong Intl
Sep 7
HKG1:25 amHong Kong Intl
30h 25m
2 stops
PDX4:50 pmPortland
$1,003
Qatar Airways
Oct 3
PDX1:30 pmPortland
34h 40m
2 stops
HKG3:10 pmHong Kong Intl
Nov 13
HKG12:25 amHong Kong Intl
30h 28m
2 stops
PDX2:53 pmPortland
$1,098

United Airlines flights from Portland to Hong Kong

Our best United Airlines deals on Portland to Hong Kong flight tickets
United Airlines
Jul 8
PDX11:16 amPortland
26h 44m
1 stop
HKG5:00 amHong Kong Intl
Aug 31
HKG10:30 pmHong Kong Intl
26h 42m
1 stop
PDX10:12 amPortland
$1,146
United Airlines
Jul 6
PDX7:00 amPortland
20h 55m
1 stop
HKG6:55 pmHong Kong Intl
Sep 2
HKG2:35 pmHong Kong Intl
23h 25m
2 stops
PDX11:00 pmPortland
$1,147
United Airlines
May 4
PDX5:30 amPortland
22h 00m
2 stops
HKG6:30 pmHong Kong Intl
May 6
HKG11:45 amHong Kong Intl
19h 48m
1 stop
PDX4:33 pmPortland
$1,411

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 3, 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
Quickest round-trip

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 9/16

10:45 am-11:00 pm

2 stops21h 15m

Hong Kong Intl

Fri 10/16

1:00 pm-5:00 pm

2 stops19h 00m

$901

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Thu 10/15

1:00 pm-5:05 am

1 stop25h 05m

Hong Kong Intl

Mon 11/16

12:55 am-4:34 pm

2 stops31h 39m

$950

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Thu 10/15

10:00 am-5:05 am

1 stop28h 05m

Hong Kong Intl

Thu 11/19

10:45 am-12:18 pm

1 stop17h 33m

$952

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/15

9:40 am-10:45 pm

2 stops22h 05m

Hong Kong Intl

Wed 10/7

12:45 am-10:26 pm

2 stops36h 41m

$953

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Thu 10/29

7:10 am-11:10 pm

2 stops25h 00m

Hong Kong Intl

Mon 11/2

12:55 am-3:05 pm

2 stops30h 10m

$957

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/15

5:30 am-10:45 pm

2 stops26h 15m

Hong Kong Intl

Thu 10/8

9:25 am-4:13 pm

1 stop21h 48m

$959

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 10/19

9:40 am-10:55 am

2 stops34h 15m

Hong Kong Intl

Sun 11/15

12:55 am-1:18 pm

2 stops28h 23m

$961

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/15

6:30 am-10:45 pm

2 stops25h 15m

Hong Kong Intl

Wed 10/7

12:45 am-1:18 pm

2 stops27h 33m

$962

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Sun 10/25

11:10 am-11:10 pm

2 stops45h 00m

Hong Kong Intl

Mon 11/2

12:55 am-1:18 pm

2 stops28h 23m

$966

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Sun 10/18

7:55 pm-10:45 pm

2 stops35h 50m

Hong Kong Intl

Tue 11/17

6:10 pm-1:18 pm

2 stops35h 08m

$968

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $819 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 $602 on momondo.

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

You could potentially save up to 40% 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

19h 20m

Direct flights

None
The fastest flight from Portland to Hong Kong takes 19h 20m
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 19h 20m.

  • 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 $513Free CancellationRating
7.1
10,995 reviews
Search Air Canada flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,682 reviews
Search United Airlines flights
ANAPriceFrom $582Free CancellationRating
8.3
1,205 reviews
Search ANA flights
Korean AirPriceFrom $793Free CancellationRating
8.4
1,216 reviews
Search Korean Air flights
STARLUX AirlinesPriceFrom $849Free CancellationRating
8.9
307 reviews
Search STARLUX Airlines flights
Cathay PacificPriceFrom $1,007Free CancellationRating
7.6
1,312 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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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