A coastal landscape with a bay, forested hills, and a distant town.

Flight to Washington County

View S$89 flight on Sat, 15 Aug, 2026Opens in a new window

Popular airlines to Washington County

  • Alaska Airlines

  • United

  • Delta

  • American Airlines

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at S$89 for one-way flights and S$178 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 26 Aug - Wed, 2 Sept
SFO
San Francisco
PDX
Portland
S$178 Return, found 2 hours ago
S$178
Return
found 2 hours ago
Select Delta flight, departing Wed, 26 Aug from San Francisco to Portland, returning Wed, 2 Sept, priced at S$178 found 2 hours ago
United
Wed, 26 Aug - Wed, 2 Sept
SFO
San Francisco
PDX
Portland
S$256 Return, found 2 hours ago
S$256
Return
found 2 hours ago
Select United flight, departing Wed, 26 Aug from San Francisco to Portland, returning Wed, 2 Sept, priced at S$256 found 2 hours ago
Delta
Fri, 18 Sept - Fri, 2 Oct
LAX
Los Angeles
PDX
Portland
S$307 Return, found 3 days ago
S$307
Return
found 3 days ago
Select Delta flight, departing Fri, 18 Sept from Los Angeles to Portland, returning Fri, 2 Oct, priced at S$307 found 3 days ago
American Airlines
Wed, 26 Aug - Wed, 2 Sept
SFO
San Francisco
PDX
Portland
S$309 Return, found 2 hours ago
S$309
Return
found 2 hours ago
Select American Airlines flight, departing Wed, 26 Aug from San Francisco to Portland, returning Wed, 2 Sept, priced at S$309 found 2 hours ago
Delta
Tue, 25 Aug - Tue, 1 Sept
IAH
Houston
PDX
Portland
S$462 Return, found 1 day ago
S$462
Return
found 1 day ago
Select Delta flight, departing Tue, 25 Aug from Houston to Portland, returning Tue, 1 Sept, priced at S$462 found 1 day ago
United
Fri, 18 Dec - Mon, 21 Dec
BUR
Burbank
PDX
Portland
S$534 Return, found 1 day ago
S$534
Return
found 1 day ago
Select United flight, departing Fri, 18 Dec from Burbank to Portland, returning Mon, 21 Dec, priced at S$534 found 1 day ago
Condor
Fri, 4 Sept - Mon, 7 Sept
CDG
Paris
PDX
Portland
S$1,025 Return, found 6 days ago
S$1,025
Return
found 6 days ago
Select Condor flight, departing Fri, 4 Sept from Paris to Portland, returning Mon, 7 Sept, priced at S$1,025 found 6 days ago
Air Canada
Thu, 10 Sept - Fri, 25 Sept
SIN
Singapore
PDX
Portland
S$1,185 Return, found 1 hour ago
S$1,185
Return
found 1 hour ago
Select Air Canada flight, departing Thu, 10 Sept from Singapore to Portland, returning Fri, 25 Sept, priced at S$1,185 found 1 hour ago
British Airways
Fri, 4 Sept - Mon, 7 Sept
CDG
Paris
PDX
Portland
S$1,190 Return, found 6 days ago
S$1,190
Return
found 6 days ago
Select British Airways flight, departing Fri, 4 Sept from Paris to Portland, returning Mon, 7 Sept, priced at S$1,190 found 6 days ago
STARLUX Airlines
Wed, 30 Sept - Mon, 5 Oct
HKG
Hong Kong SAR
PDX
Portland
S$1,215 Return, found 3 days ago
S$1,215
Return
found 3 days ago
Select STARLUX Airlines flight, departing Wed, 30 Sept from Hong Kong SAR to Portland, returning Mon, 5 Oct, priced at S$1,215 found 3 days 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.

Air Canada
Sat, 10 Oct - Sun, 18 Oct
SIN
Singapore
PDX
Portland
S$1,185 Return, just found
S$1,185
Return
just found
Select Air Canada flight, departing Sat, 10 Oct from Singapore to Portland, returning Sun, 18 Oct, priced at S$1,185 just found

Frequently asked questions

How do I find cheap flights to Washington County that have flexible change policies?
When it comes to travelling 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, S$178 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 S$178 and S$1,215 in the last seven days. For one-way journeys leaving from San Francisco (SFO), the lowest amount paid during this period was just S$89.
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 S$178 and S$1,215. 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

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.

Travel information

Washington County Flights Information

Airlines serving
Delta, United, American Airlines, Cathay Pacific, STARLUX Airlines, Air Canada, British Airways, Condor
Roundtrip price
from S$178
Washington County Flights Information
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