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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 9/6. 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
9:45 am - 12:34 am
HKG
-
PDX
29h 49m
2 stops
$733Air Canada
Mon, Sep 14 - Mon, Oct 19
Multiple Airlines Logo
7:45 pm - 6:00 pm
PDX
-
HKG
55h 15m
2 stops
Multiple Airlines Logo
9:45 am - 12:34 am
HKG
-
PDX
29h 49m
2 stops
$740Multiple Airlines
Mon, Sep 21 - Mon, Oct 12
Multiple Airlines Logo
7:45 pm - 6:00 pm
PDX
-
HKG
55h 15m
2 stops
Multiple Airlines Logo
10:45 am - 12:22 pm
HKG
-
PDX
41h 37m
2 stops
$740Multiple Airlines
Tue, Sep 22 - Mon, Nov 2
ANA Logo
7:45 pm - 5:15 am
PDX
-
HKG
18h 30m
1 stop
ANA Logo
9:45 am - 9:31 am
HKG
-
PDX
14h 46m
1 stop
$795ANA
Wed, Aug 26 - Wed, Sep 16
ANA Logo
7:45 pm - 5:15 am
PDX
-
HKG
18h 30m
1 stop
ANA Logo
9:45 am - 2:46 pm
HKG
-
PDX
20h 01m
1 stop
$835ANA
Mon, Aug 24 - Fri, Sep 18
Singapore Airlines Logo
3:15 pm - 5:10 am
PDX
-
HKG
22h 55m
1 stop
Singapore Airlines Logo
12:35 pm - 2:41 pm
HKG
-
PDX
18h 06m
2 stops
$865Singapore Airlines
Mon, Oct 26 - Tue, Nov 24
Singapore Airlines Logo
7:10 pm - 5:10 am
PDX
-
HKG
19h 00m
1 stop
Singapore Airlines Logo
12:35 pm - 2:41 pm
HKG
-
PDX
18h 06m
2 stops
$905Singapore Airlines
Fri, Oct 30 - Tue, Nov 24
United Airlines Logo
3:23 pm - 5:00 am
PDX
-
HKG
22h 37m
1 stop
United Airlines Logo
11:45 am - 2:27 pm
HKG
-
PDX
17h 42m
1 stop
$935United Airlines
Mon, Oct 19 - Thu, Oct 22
United Airlines Logo
1:03 pm - 5:40 am
PDX
-
HKG
25h 37m
2 stops
United Airlines Logo
12:40 pm - 6:31 pm
HKG
-
PDX
20h 51m
2 stops
$939United Airlines
Mon, Oct 19 - Thu, Oct 22

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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
PDX3:30 pmPortland
22h 45m
1 stop
HKG5:15 amHong Kong Intl
Oct 20
HKG9:45 amHong Kong Intl
39h 30m
2 stops
PDX10:15 amPortland
$733
Air Canada
Aug 24
PDX3:30 pmPortland
22h 45m
1 stop
HKG5:15 amHong Kong Intl
Nov 4
HKG10:45 amHong Kong Intl
23h 46m
1 stop
PDX6:31 pmPortland
$736
Air Canada
Sep 15
PDX10:10 amPortland
28h 05m
1 stop
HKG5:15 amHong Kong Intl
Oct 8
HKG9:45 amHong Kong Intl
20h 06m
1 stop
PDX2:51 pmPortland
$737

Emirates flights from Portland to Hong Kong

Our best Emirates deals on Portland to Hong Kong flight tickets
Emirates
Aug 1
PDX11:16 amPortland
39h 59m
3 stops
HKG6:15 pmHong Kong Intl
Aug 19
HKG7:10 pmHong Kong Intl
42h 49m
2 stops
PDX10:59 pmPortland
$5,308
Emirates
Aug 1
PDX11:16 amPortland
39h 59m
3 stops
HKG6:15 pmHong Kong Intl
Aug 19
HKG9:30 pmHong Kong Intl
35h 49m
3 stops
PDX6:19 pmPortland
$7,082

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 August 1, 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

Mon 9/14

3:30 pm-5:15 am

1 stop22h 45m

Hong Kong Intl

Mon 10/19

9:45 am-12:34 am

2 stops29h 49m

$733

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 9/21

7:45 pm-6:00 pm

2 stops55h 15m

Hong Kong Intl

Mon 10/12

9:45 am-12:34 am

2 stops29h 49m

$740

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/22

7:45 pm-6:00 pm

2 stops55h 15m

Hong Kong Intl

Mon 11/2

10:45 am-12:22 pm

2 stops41h 37m

$740
Quickest round-trip

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 8/26

7:45 pm-5:15 am

1 stop18h 30m

Hong Kong Intl

Wed 9/16

9:45 am-9:31 am

1 stop14h 46m

$795

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 8/24

7:45 pm-5:15 am

1 stop18h 30m

Hong Kong Intl

Fri 9/18

9:45 am-2:46 pm

1 stop20h 01m

$835

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 10/26

3:15 pm-5:10 am

1 stop22h 55m

Hong Kong Intl

Tue 11/24

12:35 pm-2:41 pm

2 stops18h 06m

$865

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Fri 10/30

7:10 pm-5:10 am

1 stop19h 00m

Hong Kong Intl

Tue 11/24

12:35 pm-2:41 pm

2 stops18h 06m

$905

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 10/19

3:23 pm-5:00 am

1 stop22h 37m

Hong Kong Intl

Thu 10/22

11:45 am-2:27 pm

1 stop17h 42m

$935

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 10/19

1:03 pm-5:40 am

2 stops25h 37m

Hong Kong Intl

Thu 10/22

12:40 pm-6:31 pm

2 stops20h 51m

$939

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 high for flights on this route.

Typical prices usually range from $579 to $698.
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 $799 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 13% 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 August 2026, prices for Portland to Hong Kong flights are approximately 20% 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 40m

Direct flights

None
The fastest flight from Portland to Hong Kong takes 20h 40m
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 40m.

  • 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 $507Free CancellationRating
7.1
11,415 reviews
Search Air Canada flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
10,063 reviews
Search United Airlines flights
ANAPriceFrom $582Free CancellationRating
8.3
1,288 reviews
Search ANA flights
Singapore AirlinesPriceFrom $761Free CancellationRating
8.2
1,584 reviews
Search Singapore Airlines flights
Korean AirPriceFrom $783Free CancellationRating
8.4
1,223 reviews
Search Korean Air flights
DeltaPriceFrom $902Free CancellationRating
7.8
8,498 reviews
Search Delta flights
Cathay PacificPriceFrom $1,007Free CancellationRating
7.6
1,436 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
Singapore Airlines