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Cheap flights from Portland to Hong Kong from $404

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 9/11. 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
7:10 pm - 5:10 amPDX  Portland-HKG Hong Kong Intl
18h 00m1 stop Vancouver Intl
Air Canada Logo
10:45 am - 12:54 amHKG  Hong Kong Intl-PDX Portland
30h 09m2 stops Vancouver Intl San Francisco
$834Air Canada
Tue, Dec 29 - Wed, Jan 27
Multiple Airlines Logo
9:31 am - 11:30 pmPDX  Portland-HKG Hong Kong Intl
22h 59m2 stops Seattle/Tacoma Intl Incheon Intl
Multiple Airlines Logo
12:40 am - 4:50 pmHKG  Hong Kong Intl-PDX Portland
32h 10m2 stops Incheon Intl Seattle/Tacoma Intl
$858Multiple Airlines
Thu, Oct 15 - Wed, Nov 4
Multiple Airlines Logo
9:30 pm - 10:40 pmPDX  Portland-HKG Hong Kong Intl
33h 10m2 stops Seattle/Tacoma Intl Incheon Intl
Multiple Airlines Logo
12:40 am - 4:37 pmHKG  Hong Kong Intl-PDX Portland
31h 57m2 stops Incheon Intl Seattle/Tacoma Intl
$858Multiple Airlines
Thu, Nov 5 - Wed, Dec 9
Air Canada Logo
3:30 pm - 5:15 amPDX  Portland-HKG Hong Kong Intl
22h 45m1 stop Vancouver Intl
Air Canada Logo
9:45 am - 10:15 amHKG  Hong Kong Intl-PDX Portland
39h 30m2 stops Vancouver Intl San Francisco
$860Air Canada
Mon, Sep 14 - Tue, Sep 29
Singapore Airlines Logo
4:07 pm - 5:15 amPDX  Portland-HKG Hong Kong Intl
22h 08m2 stops Denver Intl Vancouver Intl
Singapore Airlines Logo
9:45 am - 9:31 amHKG  Hong Kong Intl-PDX Portland
14h 46m1 stop Vancouver Intl
$883Singapore Airlines
Tue, Sep 15 - Tue, Oct 20
United Airlines Logo
7:11 am - 7:20 pmPDX  Portland-HKG Hong Kong Intl
20h 09m1 stop San Francisco
United Airlines Logo
10:35 am - 8:33 pmHKG  Hong Kong Intl-PDX Portland
25h 58m1 stop San Francisco
$902United Airlines
Wed, Dec 30 - Wed, Jan 27
United Airlines Logo
1:25 pm - 6:45 amPDX  Portland-HKG Hong Kong Intl
25h 20m1 stop San Francisco
United Airlines Logo
10:35 am - 5:38 pmHKG  Hong Kong Intl-PDX Portland
23h 03m2 stops San Francisco Denver Intl
$907United Airlines
Wed, Dec 30 - Wed, Jan 27
ANA Logo
5:36 am - 12:55 pmPDX  Portland-HKG Hong Kong Intl
39h 19m2 stops San Francisco Tokyo Haneda
ANA Logo
2:20 pm - 6:31 pmHKG  Hong Kong Intl-PDX Portland
44h 11m2 stops Tokyo Haneda San Francisco
$907ANA
Tue, Dec 29 - Wed, Jan 27
ANA Logo
7:11 am - 5:45 amPDX  Portland-HKG Hong Kong Intl
30h 34m2 stops San Francisco Tokyo Narita
ANA Logo
12:05 am - 6:31 pmHKG  Hong Kong Intl-PDX Portland
34h 26m2 stops Tokyo Haneda San Francisco
$922ANA
Thu, Dec 31 - Tue, Jan 26
Singapore Airlines Logo
7:45 pm - 5:15 amPDX  Portland-HKG Hong Kong Intl
18h 30m1 stop Vancouver Intl
Singapore Airlines Logo
9:45 am - 2:51 pmHKG  Hong Kong Intl-PDX Portland
20h 06m1 stop Vancouver Intl
$962Singapore Airlines
Sat, Sep 19 - Wed, Oct 21

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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
Dec 29
PDX7:10 pmPortland
18h 00m
1 stop
HKG5:10 amHong Kong Intl
Jan 27
HKG10:45 amHong Kong Intl
30h 09m
2 stops
PDX12:54 amPortland
$834
Air Canada
Sep 14
PDX10:10 amPortland
28h 05m
1 stop
HKG5:15 amHong Kong Intl
Oct 20
HKG9:45 amHong Kong Intl
39h 30m
2 stops
PDX10:15 amPortland
$860
Air Canada
Sep 16
PDX7:45 pmPortland
18h 30m
1 stop
HKG5:15 amHong Kong Intl
Oct 20
HKG9:45 amHong Kong Intl
14h 46m
1 stop
PDX9:31 amPortland
$863

United Airlines flights from Portland to Hong Kong

Our best United Airlines deals on Portland to Hong Kong flight tickets
United Airlines
Dec 30
PDX1:25 pmPortland
25h 20m
1 stop
HKG6:45 amHong Kong Intl
Jan 27
HKG10:35 amHong Kong Intl
23h 03m
2 stops
PDX5:38 pmPortland
$907
United Airlines
Nov 9
PDX9:00 amPortland
18h 20m
1 stop
HKG7:20 pmHong Kong Intl
Nov 11
HKG10:35 amHong Kong Intl
17h 46m
1 stop
PDX12:21 pmPortland
$935
United Airlines
Nov 9
PDX7:10 amPortland
20h 10m
1 stop
HKG7:20 pmHong Kong Intl
Nov 11
HKG10:00 amHong Kong Intl
24h 20m
2 stops
PDX6:20 pmPortland
$936

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 6, 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 Portland - HKG Hong Kong Intl

PDXHKG

Portland

Tue 12/29

7:10 pm-5:10 am

1 stop18h 00m

Hong Kong Intl

Wed 1/27

10:45 am-12:54 am

2 stops30h 09m

$834

PortlandHong Kong

PDX Portland - HKG Hong Kong Intl

PDXHKG

Portland

Thu 10/15

9:31 am-11:30 pm

2 stops22h 59m

Hong Kong Intl

Wed 11/4

12:40 am-4:50 pm

2 stops32h 10m

$858

PortlandHong Kong

PDX Portland - HKG Hong Kong Intl

PDXHKG

Portland

Thu 11/5

9:30 pm-10:40 pm

2 stops33h 10m

Hong Kong Intl

Wed 12/9

12:40 am-4:37 pm

2 stops31h 57m

$858

PortlandHong Kong

PDX Portland - HKG Hong Kong Intl

PDXHKG

Portland

Mon 9/14

3:30 pm-5:15 am

1 stop22h 45m

Hong Kong Intl

Tue 9/29

9:45 am-10:15 am

2 stops39h 30m

$860
Quickest round-trip

PortlandHong Kong

PDX Portland - HKG Hong Kong Intl

PDXHKG

Portland

Tue 9/15

4:07 pm-5:15 am

2 stops22h 08m

Hong Kong Intl

Tue 10/20

9:45 am-9:31 am

1 stop14h 46m

$883

PortlandHong Kong

PDX Portland - HKG Hong Kong Intl

PDXHKG

Portland

Wed 12/30

7:11 am-7:20 pm

1 stop20h 09m

Hong Kong Intl

Wed 1/27

10:35 am-8:33 pm

1 stop25h 58m

$902

PortlandHong Kong

PDX Portland - HKG Hong Kong Intl

PDXHKG

Portland

Wed 12/30

1:25 pm-6:45 am

1 stop25h 20m

Hong Kong Intl

Wed 1/27

10:35 am-5:38 pm

2 stops23h 03m

$907

PortlandHong Kong

PDX Portland - HKG Hong Kong Intl

PDXHKG

Portland

Tue 12/29

5:36 am-12:55 pm

2 stops39h 19m

Hong Kong Intl

Wed 1/27

2:20 pm-6:31 pm

2 stops44h 11m

$907

PortlandHong Kong

PDX Portland - HKG Hong Kong Intl

PDXHKG

Portland

Thu 12/31

7:11 am-5:45 am

2 stops30h 34m

Hong Kong Intl

Tue 1/26

12:05 am-6:31 pm

2 stops34h 26m

$922

PortlandHong Kong

PDX Portland - HKG Hong Kong Intl

PDXHKG

Portland

Sat 9/19

7:45 pm-5:15 am

1 stop18h 30m

Hong Kong Intl

Wed 10/21

9:45 am-2:51 pm

1 stop20h 06m

$962

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?

Prices are currently high for flights on this route.

Typical prices usually range from $545 to $790.
The lowest price recently found on this route was $834.

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 $603. 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 $665 on momondo.

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

You could potentially save up to 9% 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 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 $507Free CancellationRating
7.1
11,432 reviews
Search Air Canada flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
10,075 reviews
Search United Airlines flights
ANAPriceFrom $582Free CancellationRating
8.3
1,291 reviews
Search ANA flights
Singapore AirlinesPriceFrom $761Free CancellationRating
8.2
1,584 reviews
Search Singapore Airlines flights
Korean AirPriceFrom $783Free CancellationRating
8.4
1,222 reviews
Search Korean Air flights
DeltaPriceFrom $902Free CancellationRating
7.8
8,493 reviews
Search Delta flights
Cathay PacificPriceFrom $1,007Free CancellationRating
7.6
1,439 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.

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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