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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 9/17. 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
1 adult, Economy, 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.
United Airlines Logo
3:43 pm - 5:40 am
PDX
-
HKG
22h 57m
2 stops
United Airlines Logo
11:45 am - 4:54 pm
HKG
-
PDX
20h 09m
1 stop
$788United Airlines
Tue, Sep 15 - Thu, Oct 8
United Airlines Logo
8:35 am - 6:55 pm
PDX
-
HKG
19h 20m
1 stop
United Airlines Logo
10:30 pm - 12:53 am
HKG
-
PDX
17h 23m
1 stop
$789United Airlines
Tue, Sep 15 - Thu, Oct 8
ANA Logo
6:54 am - 5:15 am
PDX
-
HKG
31h 21m
2 stops
ANA Logo
9:30 am - 2:17 pm
HKG
-
PDX
19h 47m
2 stops
$791ANA
Tue, Sep 1 - Thu, Oct 1
Delta Logo
10:00 am - 5:05 am
PDX
-
HKG
28h 05m
1 stop
Delta Logo
12:20 pm - 4:33 pm
HKG
-
PDX
19h 13m
2 stops
$794Delta
Mon, Aug 24 - Wed, Sep 2
United Airlines Logo
5:10 am - 6:55 pm
PDX
-
HKG
22h 45m
1 stop
United Airlines Logo
10:30 pm - 12:47 am
HKG
-
PDX
17h 17m
1 stop
$796United Airlines
Mon, Aug 24 - Wed, Sep 2
United Airlines Logo
5:10 am - 6:55 pm
PDX
-
HKG
22h 45m
1 stop
United Airlines Logo
10:30 pm - 12:47 am
HKG
-
PDX
17h 17m
1 stop
$797United Airlines
Mon, Aug 24 - Wed, Sep 2
United Airlines Logo
5:30 am - 6:55 pm
PDX
-
HKG
22h 25m
1 stop
United Airlines Logo
9:30 am - 12:41 am
HKG
-
PDX
30h 11m
2 stops
$800United Airlines
Wed, Apr 15 - Mon, Apr 27
Delta Logo
10:42 am - 10:45 pm
PDX
-
HKG
21h 03m
2 stops
Delta Logo
12:45 am - 6:52 pm
HKG
-
PDX
33h 07m
2 stops
$801Delta
Thu, Apr 16 - Wed, Apr 22
United Airlines Logo
5:15 am - 6:55 pm
PDX
-
HKG
22h 40m
1 stop
United Airlines Logo
10:30 pm - 12:47 am
HKG
-
PDX
17h 17m
1 stop
$802United Airlines
Mon, Jul 20 - Tue, Aug 25
United Airlines Logo
5:15 am - 6:30 pm
PDX
-
HKG
22h 15m
2 stops
United Airlines Logo
2:35 pm - 11:00 pm
HKG
-
PDX
23h 25m
2 stops
$803United Airlines
Wed, Jul 15 - Thu, Aug 27

United Airlines flights from Portland to Hong Kong

Our best United Airlines deals on Portland to Hong Kong flight tickets
United Airlines
Sep 15
PDX3:43 pmPortland
22h 57m
2 stops
HKG5:40 amHong Kong Intl
Oct 8
HKG11:45 amHong Kong Intl
20h 09m
1 stop
PDX4:54 pmPortland
$788
United Airlines
Sep 15
PDX8:35 amPortland
19h 20m
1 stop
HKG6:55 pmHong Kong Intl
Oct 8
HKG10:30 pmHong Kong Intl
17h 23m
1 stop
PDX12:53 amPortland
$789
United Airlines
Aug 24
PDX5:10 amPortland
22h 45m
1 stop
HKG6:55 pmHong Kong Intl
Sep 2
HKG10:30 pmHong Kong Intl
17h 17m
1 stop
PDX12:47 amPortland
$796

ANA flights from Portland to Hong Kong

Our best ANA deals on Portland to Hong Kong flight tickets
ANA
Sep 1
PDX6:54 amPortland
31h 21m
2 stops
HKG5:15 amHong Kong Intl
Oct 1
HKG9:30 amHong Kong Intl
19h 47m
2 stops
PDX2:17 pmPortland
$791
ANA
Jul 21
PDX8:35 amPortland
36h 50m
2 stops
HKG12:25 pmHong Kong Intl
Aug 26
HKG11:55 pmHong Kong Intl
33h 16m
2 stops
PDX6:11 pmPortland
$839
ANA
Jul 8
PDX1:14 pmPortland
32h 11m
2 stops
HKG12:25 pmHong Kong Intl
Aug 26
HKG11:45 amHong Kong Intl
26h 15m
1 stop
PDX11:00 pmPortland
$869

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 March 22, 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

Tue 9/15

3:43 pm-5:40 am

2 stops22h 57m

Hong Kong Intl

Thu 10/8

11:45 am-4:54 pm

1 stop20h 09m

$788
Quickest round-trip

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/15

8:35 am-6:55 pm

1 stop19h 20m

Hong Kong Intl

Thu 10/8

10:30 pm-12:53 am

1 stop17h 23m

$789

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/1

6:54 am-5:15 am

2 stops31h 21m

Hong Kong Intl

Thu 10/1

9:30 am-2:17 pm

2 stops19h 47m

$791

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 8/24

10:00 am-5:05 am

1 stop28h 05m

Hong Kong Intl

Wed 9/2

12:20 pm-4:33 pm

2 stops19h 13m

$794

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 8/24

5:10 am-6:55 pm

1 stop22h 45m

Hong Kong Intl

Wed 9/2

10:30 pm-12:47 am

1 stop17h 17m

$796

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 8/24

5:10 am-6:55 pm

1 stop22h 45m

Hong Kong Intl

Wed 9/2

10:30 pm-12:47 am

1 stop17h 17m

$797

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 4/15

5:30 am-6:55 pm

1 stop22h 25m

Hong Kong Intl

Mon 4/27

9:30 am-12:41 am

2 stops30h 11m

$800

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Thu 4/16

10:42 am-10:45 pm

2 stops21h 03m

Hong Kong Intl

Wed 4/22

12:45 am-6:52 pm

2 stops33h 07m

$801

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 7/20

5:15 am-6:55 pm

1 stop22h 40m

Hong Kong Intl

Tue 8/25

10:30 pm-12:47 am

1 stop17h 17m

$802

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 7/15

5:15 am-6:30 pm

2 stops22h 15m

Hong Kong Intl

Thu 8/27

2:35 pm-11:00 pm

2 stops23h 25m

$803

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 April is another great option to travel to Hong Kong, with average flight prices from Portland averaging around $635.

How far in advance should I book a flight 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 $797 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 $690 on momondo.

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

You could potentially save up to 3% 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 March 2026, prices for Portland to Hong Kong flights are approximately 48% 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

  • 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 $512Free CancellationRating
7.1
10,834 reviews
Search Air Canada flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,460 reviews
Search United Airlines flights
ANAPriceFrom $582Free CancellationRating
8.4
1,139 reviews
Search ANA flights
Korean AirPriceFrom $783Free CancellationRating
8.4
1,202 reviews
Search Korean Air flights
STARLUX AirlinesPriceFrom $849Free CancellationRating
9.0
292 reviews
Search STARLUX Airlines flights
Cathay PacificPriceFrom $1,087Free CancellationRating
7.6
1,222 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