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Cheap flights from Portland to Hong Kong from $291

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 1/13. 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
7:00 pm - 6:40 pm
PDX
-
HKG
31h 40m1 stop
Air Canada Logo
8:25 pm - 11:06 pm
HKG
-
PDX
42h 41m2 stops
$459Air Canada
Sun, Jan 25 - Wed, Jan 28
Air Canada Logo
7:00 pm - 6:40 pm
PDX
-
HKG
31h 40m1 stop
Air Canada Logo
8:25 pm - 9:15 am
HKG
-
PDX
28h 50m1 stop
$462Air Canada
Sun, Jan 25 - Wed, Jan 28
Air Canada Logo
7:45 am - 6:40 pm
PDX
-
HKG
42h 55m2 stops
Air Canada Logo
8:25 pm - 11:06 pm
HKG
-
PDX
42h 41m2 stops
$464Air Canada
Sun, Jan 25 - Wed, Jan 28
Air Canada Logo
7:00 pm - 6:40 pm
PDX
-
HKG
31h 40m1 stop
Air Canada Logo
10:00 am - 9:15 am
HKG
-
PDX
39h 15m2 stops
$475Air Canada
Mon, Jan 12 - Thu, Jan 15
Multiple Airlines Logo
9:50 am - 2:00 am
PDX
-
HKG
24h 10m2 stops
Multiple Airlines Logo
10:00 am - 9:15 am
HKG
-
PDX
39h 15m2 stops
$483Multiple Airlines
Mon, Jan 12 - Thu, Jan 15
Air Canada Logo
9:50 am - 6:40 pm
PDX
-
HKG
16h 50m1 stop
Air Canada Logo
8:25 pm - 12:34 am
HKG
-
PDX
44h 09m2 stops
$485Air Canada
Wed, Feb 11 - Wed, Feb 18
Multiple Airlines Logo
9:50 am - 10:40 pm
PDX
-
HKG
20h 50m2 stops
Multiple Airlines Logo
10:00 am - 9:15 am
HKG
-
PDX
39h 15m2 stops
$487Multiple Airlines
Wed, Feb 11 - Wed, Feb 25
Air Canada Logo
9:50 am - 6:40 pm
PDX
-
HKG
16h 50m1 stop
Air Canada Logo
8:25 pm - 9:15 am
HKG
-
PDX
28h 50m1 stop
$488Air Canada
Mon, Jan 19 - Mon, Jan 26
Air Canada Logo
3:50 pm - 6:40 pm
PDX
-
HKG
34h 50m2 stops
Air Canada Logo
8:25 pm - 12:34 am
HKG
-
PDX
44h 09m2 stops
$490Air Canada
Mon, Feb 9 - Wed, Feb 18
Air Canada Logo
7:05 pm - 6:40 pm
PDX
-
HKG
31h 35m1 stop
Air Canada Logo
10:00 am - 2:40 pm
HKG
-
PDX
20h 40m2 stops
$491Air Canada
Mon, Feb 2 - Tue, Feb 10

Air Canada flights from Portland to Hong Kong

Our best Air Canada deals on Portland to Hong Kong flight tickets
Air Canada
Jan 25
PDX7:00 pmPortland
31h 40m
1 stop
HKG6:40 pmHong Kong Intl
Jan 28
HKG8:25 pmHong Kong Intl
42h 41m
2 stops
PDX11:06 pmPortland
$459
Find similar
Air Canada
Jan 25
PDX7:00 pmPortland
31h 40m
1 stop
HKG6:40 pmHong Kong Intl
Jan 28
HKG8:25 pmHong Kong Intl
28h 50m
1 stop
PDX9:15 amPortland
$462
Find similar
Air Canada
Jan 25
PDX7:45 amPortland
42h 55m
2 stops
HKG6:40 pmHong Kong Intl
Jan 28
HKG8:25 pmHong Kong Intl
42h 41m
2 stops
PDX11:06 pmPortland
$464
Find similar

United Airlines flights from Portland to Hong Kong

Our best United Airlines deals on Portland to Hong Kong flight tickets
United Airlines
Jan 7
PDX5:35 amPortland
21h 45m
1 stop
HKG7:20 pmHong Kong Intl
Jan 27
HKG10:35 amHong Kong Intl
20h 20m
1 stop
PDX2:55 pmPortland
$628
Find similar
United Airlines
Jan 4
PDX7:45 pmPortland
31h 35m
1 stop
HKG7:20 pmHong Kong Intl
Jan 20
HKG10:30 pmHong Kong Intl
18h 09m
1 stop
PDX12:39 amPortland
$634
Find similar
United Airlines
Dec 30
PDX7:30 amPortland
19h 50m
1 stop
HKG7:20 pmHong Kong Intl
Jan 14
HKG12:05 amHong Kong Intl
30h 41m
2 stops
PDX2:46 pmPortland
$816
Find similar

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 December 24, 2025.
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

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Sun 1/25

7:00 pm-6:40 pm

1 stop31h 40m

Hong Kong Intl

Wed 1/28

8:25 pm-11:06 pm

2 stops42h 41m

$459

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Sun 1/25

7:00 pm-6:40 pm

1 stop31h 40m

Hong Kong Intl

Wed 1/28

8:25 pm-9:15 am

1 stop28h 50m

$462

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Sun 1/25

7:45 am-6:40 pm

2 stops42h 55m

Hong Kong Intl

Wed 1/28

8:25 pm-11:06 pm

2 stops42h 41m

$464

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 1/12

7:00 pm-6:40 pm

1 stop31h 40m

Hong Kong Intl

Thu 1/15

10:00 am-9:15 am

2 stops39h 15m

$475

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 1/12

9:50 am-2:00 am

2 stops24h 10m

Hong Kong Intl

Thu 1/15

10:00 am-9:15 am

2 stops39h 15m

$483

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 2/11

9:50 am-6:40 pm

1 stop16h 50m

Hong Kong Intl

Wed 2/18

8:25 pm-12:34 am

2 stops44h 09m

$485

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 2/11

9:50 am-10:40 pm

2 stops20h 50m

Hong Kong Intl

Wed 2/25

10:00 am-9:15 am

2 stops39h 15m

$487

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 1/19

9:50 am-6:40 pm

1 stop16h 50m

Hong Kong Intl

Mon 1/26

8:25 pm-9:15 am

1 stop28h 50m

$488

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 2/9

3:50 pm-6:40 pm

2 stops34h 50m

Hong Kong Intl

Wed 2/18

8:25 pm-12:34 am

2 stops44h 09m

$490

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 2/2

7:05 pm-6:40 pm

1 stop31h 35m

Hong Kong Intl

Tue 2/10

10:00 am-2:40 pm

2 stops20h 40m

$491

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 $649. The month of September is another great option to travel to Hong Kong, with average flight prices from Portland averaging around $711.

What is the cheapest day to depart on your flight to Hong Kong?

The cheapest day to depart from Portland to Hong Kong is on a Wednesday. Travelers who choose to depart for Hong Kong on a Wednesday will often find tickets for as low as $1,076. The most expensive day to fly to Hong Kong is Saturday, with ticket prices averaging around $1,293.

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 $860 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 $719 on momondo.

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

As of December 2025, prices for Portland to Hong Kong flights are approximately 39% 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

16h 50m

Direct flights

None
The fastest flight from Portland to Hong Kong takes 16h 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

  • 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 16h 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
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,109 reviews
Search United Airlines flights
Air CanadaPriceFrom $603Free CancellationRating
7.1
10,551 reviews
Search Air Canada flights
Korean AirPriceFrom $783Free CancellationRating
8.4
1,185 reviews
Search Korean Air flights
STARLUX AirlinesPriceFrom $849Free CancellationRating
8.9
248 reviews
Search STARLUX Airlines flights
Cathay PacificPriceFrom $1,007Free CancellationRating
7.6
1,103 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