Cheap Flights to Washington County | Popular Routes to Washington County from HK$544

View HK$544 flight on Tue, 7 Jul 2026Opens in a new window

Popular airlines to Washington County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Sun Country Airlines

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at HK$544 for one-way flights and HK$2,018 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 29 Jun - Mon, 6 Jul
SEA
Seattle
PDX
Portland
HK$2,018 Return, found 5 days ago
HK$2,018
Return
found 5 days ago
Select Delta flight, departing Mon, 29 Jun from Seattle to Portland, returning Mon, 6 Jul, priced at HK$2,018 found 5 days ago
Delta
Sat, 27 Jun - Thu, 2 Jul
SFO
San Francisco
PDX
Portland
HK$2,099 Return, found 2 days ago
HK$2,099
Return
found 2 days ago
Select Delta flight, departing Sat, 27 Jun from San Francisco to Portland, returning Thu, 2 Jul, priced at HK$2,099 found 2 days ago
United
Sat, 27 Jun - Thu, 2 Jul
SFO
San Francisco
PDX
Portland
HK$2,642 Return, found 2 days ago
HK$2,642
Return
found 2 days ago
Select United flight, departing Sat, 27 Jun from San Francisco to Portland, returning Thu, 2 Jul, priced at HK$2,642 found 2 days ago
American Airlines
Sat, 27 Jun - Thu, 2 Jul
SFO
San Francisco
PDX
Portland
HK$2,803 Return, found 2 days ago
HK$2,803
Return
found 2 days ago
Select American Airlines flight, departing Sat, 27 Jun from San Francisco to Portland, returning Thu, 2 Jul, priced at HK$2,803 found 2 days ago
Delta
Sat, 15 Aug - Mon, 17 Aug
JFK
New York
PDX
Portland
HK$3,039 Return, found 18 hours ago
HK$3,039
Return
found 18 hours ago
Select Delta flight, departing Sat, 15 Aug from New York to Portland, returning Mon, 17 Aug, priced at HK$3,039 found 18 hours ago
United
Wed, 12 Aug - Thu, 20 Aug
EWR
New York
PDX
Portland
HK$3,236 Return, found 1 day ago
HK$3,236
Return
found 1 day ago
Select United flight, departing Wed, 12 Aug from New York to Portland, returning Thu, 20 Aug, priced at HK$3,236 found 1 day ago
American Airlines
Wed, 12 Aug - Thu, 20 Aug
LGA
New York
PDX
Portland
HK$3,389 Return, found 1 day ago
HK$3,389
Return
found 1 day ago
Select American Airlines flight, departing Wed, 12 Aug from New York to Portland, returning Thu, 20 Aug, priced at HK$3,389 found 1 day ago
Delta
Fri, 26 Jun - Sun, 12 Jul
HKG
Hong Kong SAR
PDX
Portland
HK$6,524 Return, found 14 hours ago
HK$6,524
Return
found 14 hours ago
Select Delta flight, departing Fri, 26 Jun from Hong Kong SAR to Portland, returning Sun, 12 Jul, priced at HK$6,524 found 14 hours ago
Air Canada
Wed, 24 Jun - Thu, 9 Jul
HKG
Hong Kong SAR
PDX
Portland
HK$6,836 Return, found 14 hours ago
HK$6,836
Return
found 14 hours ago
Select Air Canada flight, departing Wed, 24 Jun from Hong Kong SAR to Portland, returning Thu, 9 Jul, priced at HK$6,836 found 14 hours ago
Korean Air
Thu, 25 Jun - Sun, 12 Jul
HKG
Hong Kong SAR
PDX
Portland
HK$7,468 Return, found 14 hours ago
HK$7,468
Return
found 14 hours ago
Select Korean Air flight, departing Thu, 25 Jun from Hong Kong SAR to Portland, returning Sun, 12 Jul, priced at HK$7,468 found 14 hours ago

Trending flights to Washington County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 26 Jun - Sun, 12 Jul
HKG
Hong Kong SAR
PDX
Portland
HK$6,524 Return, found 14 hours ago
HK$6,524
Return
found 14 hours ago
Select Delta flight, departing Fri, 26 Jun from Hong Kong SAR to Portland, returning Sun, 12 Jul, priced at HK$6,524 found 14 hours ago

Frequently asked questions

How do I find cheap flights to Washington County that have flexible change policies?
When it comes to traveling these days, flexibility is a must. That's why we've added a "No change fee" search function to help you locate flexible, low-priced fares to Washington County. It's at the top left of your screen just below the "Flexible change policies" subheading.
Which airlines fly to Washington County?
With a good range of airlines offering flights into or near Washington County, the choice is yours:

  • Alaska Airlines - 2,614 flights to or near Washington County each month, including 2,614 flights to Portland Intl. Airport (PDX) per month.
  • Delta Air Lines - 814 flights to or near Washington County each month, including 814 flights to Portland Intl. Airport (PDX) per month.
  • Southwest Airlines - 784 flights to or near Washington County each month, including 784 flights to Portland Intl. Airport (PDX) per month.

How can I find cheap tickets to Washington County?
An excellent strategy for scoring cheap tickets is to be flexible with your travel dates. Begin with searching for your flight to Washington County, then click on the "flexible dates" link to see prices for nearby days. Another helpful hint? Book well ahead of time. For an idea of costs, HK$2,018 was the best price for a flight to Washington County in the last seven days.
How much is a flight to Washington County?
You could have nabbed a return air ticket to Washington County from anywhere between HK$2,018 and HK$7,468 in the last seven days. For one-way journeys leaving from San Francisco (SFO), the lowest amount paid during this period was just HK$544.
What are the most popular airports to fly into in Washington County?
Jet into Portland Intl. Airport (PDX) and sample the best that Washington County has to offer. As the region's main entry point, around 5,648 flights land here every month.
When is the cheapest time to fly to Washington County?
Leave for Washington County early in the week and you'll usually be rewarded with lower fares. Tuesday is generally the cheapest day to jet off, closely followed by Monday. If you're eager to avoid the priciest flights, steer clear of Saturdays.
How much is a plane ticket to Washington County?
In the last seven days, tickets to Washington County varied between HK$2,018 and HK$7,468. Prices generally depend on the time of departure, airline, cabin class and how early the fare is booked.
What is the best time to go to Washington County?
Hillsboro, Washington County's most populous city, is a terrific destination to explore at anytime. Don't like the cold? Then venture here from June 20 onward in summer, when average temperatures range from 13ºC to 27ºC. March, May and June is when Hillsboro draws the biggest crowds.
What months are the cheapest to book a flight to Washington County?
To snap up a bargain flight to Washington County, try to book during February when ticket prices are at their cheapest. When do tickets cost the most? In the U.S, it's the month of December.

Book with confidence

About Washington County

Expedia offers flights to Washington County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Washington County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Washington County
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