Flight to Washington County

View S$89 flight on Tue, 19 May, 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 S$89 for one-way flights and S$151 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 19 May - Tue, 2 Jun
SFO
San Francisco
PDX
Portland
S$151 Return, found 6 days ago
S$151
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 19 May from San Francisco to Portland, returning Tue, 2 Jun, priced at S$151 found 6 days ago
Delta
Tue, 19 May - Tue, 26 May
SFO
San Francisco
PDX
Portland
S$176 Return, found 6 days ago
S$176
Return
found 6 days ago
Select Delta flight, departing Tue, 19 May from San Francisco to Portland, returning Tue, 26 May, priced at S$176 found 6 days ago
United
Wed, 20 May - Tue, 26 May
SFO
San Francisco
PDX
Portland
S$254 Return, found 6 days ago
S$254
Return
found 6 days ago
Select United flight, departing Wed, 20 May from San Francisco to Portland, returning Tue, 26 May, priced at S$254 found 6 days ago
Delta
Sat, 23 May - Tue, 26 May
IAH
Houston
PDX
Portland
S$353 Return, found 9 hours ago
S$353
Return
found 9 hours ago
Select Delta flight, departing Sat, 23 May from Houston to Portland, returning Tue, 26 May, priced at S$353 found 9 hours ago
Delta
Tue, 26 May - Tue, 2 Jun
BWI
Baltimore
PDX
Portland
S$372 Return, found 1 day ago
S$372
Return
found 1 day ago
Select Delta flight, departing Tue, 26 May from Baltimore to Portland, returning Tue, 2 Jun, priced at S$372 found 1 day ago
Delta
Sat, 2 May - Sat, 9 May
EWR
New York
PDX
Portland
S$381 Return, found 3 days ago
S$381
Return
found 3 days ago
Select Delta flight, departing Sat, 2 May from New York to Portland, returning Sat, 9 May, priced at S$381 found 3 days ago
American Airlines
Fri, 17 Jul - Sat, 18 Jul
SFO
San Francisco
PDX
Portland
S$417 Return, found 11 hours ago
S$417
Return
found 11 hours ago
Select American Airlines flight, departing Fri, 17 Jul from San Francisco to Portland, returning Sat, 18 Jul, priced at S$417 found 11 hours ago
American Airlines
Sat, 23 May - Tue, 26 May
HOU
Houston
PDX
Portland
S$475 Return, found 9 hours ago
S$475
Return
found 9 hours ago
Select American Airlines flight, departing Sat, 23 May from Houston to Portland, returning Tue, 26 May, priced at S$475 found 9 hours ago
Delta
Tue, 23 Jun - Sat, 27 Jun
MKE
Milwaukee
PDX
Portland
S$564 Return, found 7 hours ago
S$564
Return
found 7 hours ago
Select Delta flight, departing Tue, 23 Jun from Milwaukee to Portland, returning Sat, 27 Jun, priced at S$564 found 7 hours ago
Condor
Fri, 4 Sept - Mon, 7 Sept
CDG
Paris
PDX
Portland
S$998 Return, found 16 hours ago
S$998
Return
found 16 hours ago
Select Condor flight, departing Fri, 4 Sept from Paris to Portland, returning Mon, 7 Sept, priced at S$998 found 16 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.

Lufthansa
Sun, 31 Jan - Mon, 15 Feb
SIN
Singapore
PDX
Portland
S$1,301 Return, found 2 days ago
S$1,301
Return
found 2 days ago
Select Lufthansa flight, departing Sun, 31 Jan from Singapore to Portland, returning Mon, 15 Feb, priced at S$1,301 found 2 days ago

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$151 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$151 and S$1,301 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$151 and S$1,301. 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, Alaska Airlines, Lufthansa, Condor
Roundtrip price
from S$151
Washington County Flights Information

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