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Cheap flights from Portland to Hong Kong from $379

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 10/12. 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

Discover deals from 900+ travel sites with momondo.

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
7:45 pm - 5:15 am
PDX
-
HKG
18h 30m
1 stop
Air Canada Logo
9:45 am - 12:34 am
HKG
-
PDX
29h 49m
2 stops
$733Air Canada
Mon, Sep 14 - Mon, Oct 19
Air Canada Logo
3:30 pm - 5:15 am
PDX
-
HKG
22h 45m
1 stop
Air Canada Logo
10:45 am - 2:41 pm
HKG
-
PDX
19h 56m
1 stop
$736Air Canada
Wed, Sep 9 - Wed, Nov 11
Air Canada Logo
3:43 pm - 5:15 am
PDX
-
HKG
22h 32m
2 stops
Air Canada Logo
9:45 am - 12:34 am
HKG
-
PDX
29h 49m
2 stops
$737Air Canada
Mon, Sep 14 - Mon, Oct 19
Multiple Airlines Logo
10:10 am - 10:40 pm
PDX
-
HKG
21h 30m
2 stops
Multiple Airlines Logo
10:45 am - 12:54 am
HKG
-
PDX
30h 09m
2 stops
$739Multiple Airlines
Wed, Oct 14 - Wed, Dec 9
Multiple Airlines Logo
7:45 pm - 5:15 am
PDX
-
HKG
18h 30m
1 stop
Multiple Airlines Logo
1:20 pm - 7:11 pm
HKG
-
PDX
44h 51m
2 stops
$743Multiple Airlines
Wed, Aug 19 - Wed, Sep 9
Multiple Airlines Logo
3:30 pm - 5:15 am
PDX
-
HKG
22h 45m
1 stop
Multiple Airlines Logo
9:25 am - 9:31 am
HKG
-
PDX
39h 06m
2 stops
$744Multiple Airlines
Mon, Aug 24 - Wed, Sep 16
Air Canada Logo
7:45 pm - 5:15 am
PDX
-
HKG
18h 30m
1 stop
Air Canada Logo
12:45 am - 2:51 pm
HKG
-
PDX
29h 06m
2 stops
$745Air Canada
Tue, Sep 15 - Wed, Oct 7
Air Canada Logo
7:45 pm - 5:15 am
PDX
-
HKG
18h 30m
1 stop
Air Canada Logo
9:45 am - 2:51 pm
HKG
-
PDX
20h 06m
1 stop
$746Air Canada
Sun, Sep 13 - Tue, Oct 20
Multiple Airlines Logo
3:43 pm - 5:15 am
PDX
-
HKG
22h 32m
2 stops
Multiple Airlines Logo
4:30 pm - 7:11 pm
HKG
-
PDX
41h 41m
2 stops
$748Multiple Airlines
Wed, Aug 19 - Wed, Sep 9
Multiple Airlines Logo
7:45 pm - 10:40 pm
PDX
-
HKG
35h 55m
2 stops
Multiple Airlines Logo
1:55 am - 2:46 pm
HKG
-
PDX
27h 51m
2 stops
$749Multiple Airlines
Sun, Aug 23 - Mon, Sep 14

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Air Canada flights from Portland to Hong Kong

Our best Air Canada deals on Portland to Hong Kong flight tickets
Air Canada
Sep 14
PDX7:45 pmPortland
18h 30m
1 stop
HKG5:15 amHong Kong Intl
Oct 19
HKG9:45 amHong Kong Intl
29h 49m
2 stops
PDX12:34 amPortland
$733
Air Canada
Sep 9
PDX3:30 pmPortland
22h 45m
1 stop
HKG5:15 amHong Kong Intl
Nov 11
HKG10:45 amHong Kong Intl
19h 56m
1 stop
PDX2:41 pmPortland
$736
Air Canada
Sep 14
PDX3:43 pmPortland
22h 32m
2 stops
HKG5:15 amHong Kong Intl
Oct 19
HKG9:45 amHong Kong Intl
29h 49m
2 stops
PDX12:34 amPortland
$737

Delta flights from Portland to Hong Kong

Our best Delta deals on Portland to Hong Kong flight tickets
Delta
Jul 30
PDX1:25 pmPortland
24h 40m
1 stop
HKG5:05 amHong Kong Intl
Aug 5
HKG12:45 amHong Kong Intl
36h 17m
2 stops
PDX10:02 pmPortland
$1,094
Delta
Jul 27
PDX1:25 pmPortland
24h 40m
1 stop
HKG5:05 amHong Kong Intl
Aug 13
HKG9:25 amHong Kong Intl
22h 08m
1 stop
PDX4:33 pmPortland
$1,146
Delta
Jul 31
PDX10:53 amPortland
27h 12m
1 stop
HKG5:05 amHong Kong Intl
Aug 8
HKG12:45 amHong Kong Intl
36h 17m
2 stops
PDX10:02 pmPortland
$1,206

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 July 24, 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

Mon 9/14

7:45 pm-5:15 am

1 stop18h 30m

Hong Kong Intl

Mon 10/19

9:45 am-12:34 am

2 stops29h 49m

$733

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 9/9

3:30 pm-5:15 am

1 stop22h 45m

Hong Kong Intl

Wed 11/11

10:45 am-2:41 pm

1 stop19h 56m

$736

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 9/14

3:43 pm-5:15 am

2 stops22h 32m

Hong Kong Intl

Mon 10/19

9:45 am-12:34 am

2 stops29h 49m

$737

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 10/14

10:10 am-10:40 pm

2 stops21h 30m

Hong Kong Intl

Wed 12/9

10:45 am-12:54 am

2 stops30h 09m

$739

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 8/19

7:45 pm-5:15 am

1 stop18h 30m

Hong Kong Intl

Wed 9/9

1:20 pm-7:11 pm

2 stops44h 51m

$743

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 8/24

3:30 pm-5:15 am

1 stop22h 45m

Hong Kong Intl

Wed 9/16

9:25 am-9:31 am

2 stops39h 06m

$744

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/15

7:45 pm-5:15 am

1 stop18h 30m

Hong Kong Intl

Wed 10/7

12:45 am-2:51 pm

2 stops29h 06m

$745
Quickest round-trip

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Sun 9/13

7:45 pm-5:15 am

1 stop18h 30m

Hong Kong Intl

Tue 10/20

9:45 am-2:51 pm

1 stop20h 06m

$746

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 8/19

3:43 pm-5:15 am

2 stops22h 32m

Hong Kong Intl

Wed 9/9

4:30 pm-7:11 pm

2 stops41h 41m

$748

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Sun 8/23

7:45 pm-10:40 pm

2 stops35h 55m

Hong Kong Intl

Mon 9/14

1:55 am-2:46 pm

2 stops27h 51m

$749

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $714 to $888.
The lowest price recently found on this route was $733.

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 $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 $674 on momondo.

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

You could potentially save up to 42% 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 July 2026, prices for Portland to Hong Kong flights are approximately 36% 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

18h 00m

Direct flights

None
The fastest flight from Portland to Hong Kong takes 18h 00m
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 18h 00m.

  • 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 $508Free CancellationRating
7.1
11,382 reviews
Search Air Canada flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
10,034 reviews
Search United Airlines flights
ANAPriceFrom $582Free CancellationRating
8.3
1,276 reviews
Search ANA flights
Korean AirPriceFrom $783Free CancellationRating
8.4
1,221 reviews
Search Korean Air flights
DeltaPriceFrom $902Free CancellationRating
7.8
8,488 reviews
Search Delta flights
Cathay PacificPriceFrom $1,007Free CancellationRating
7.6
1,429 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
Delta
ANA