Flight to Washington County

View S$115 flight on Sat, 28 Feb, 2026Opens in a new window

Popular airlines to Washington County

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    Air Canada

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at S$115 for one-way flights and S$177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 11 Feb - Sun, 15 Feb
SFO
San Francisco
PDX
Portland
S$177 Return, found 5 days ago
S$177
Return
found 5 days ago
Select Delta flight, departing Wed, 11 Feb from San Francisco to Portland, returning Sun, 15 Feb, priced at S$177 found 5 days ago
Delta
Wed, 18 Feb - Sat, 7 Mar
LAX
Los Angeles
PDX
Portland
S$180 Return, found 12 hours ago
S$180
Return
found 12 hours ago
Select Delta flight, departing Wed, 18 Feb from Los Angeles to Portland, returning Sat, 7 Mar, priced at S$180 found 12 hours ago
Alaska Airlines
Tue, 3 Feb - Sat, 7 Feb
SFO
San Francisco
PDX
Portland
S$202 Return, found 15 hours ago
S$202
Return
found 15 hours ago
Select Alaska Airlines flight, departing Tue, 3 Feb from San Francisco to Portland, returning Sat, 7 Feb, priced at S$202 found 15 hours ago
United
Sun, 15 Feb - Wed, 18 Feb
SFO
San Francisco
PDX
Portland
S$241 Return, found 5 days ago
S$241
Return
found 5 days ago
Select United flight, departing Sun, 15 Feb from San Francisco to Portland, returning Wed, 18 Feb, priced at S$241 found 5 days ago
Delta
Fri, 20 Mar - Thu, 26 Mar
BOS
Boston
PDX
Portland
S$253 Return, found 1 day ago
S$253
Return
found 1 day ago
Select Delta flight, departing Fri, 20 Mar from Boston to Portland, returning Thu, 26 Mar, priced at S$253 found 1 day ago
Alaska Airlines
Tue, 17 Feb - Tue, 17 Feb
ONT
Ontario
PDX
Portland
S$254 Return, found 1 day ago
S$254
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue, 17 Feb from Ontario to Portland, returning Tue, 17 Feb, priced at S$254 found 1 day ago
Delta
Thu, 19 Feb - Fri, 20 Feb
LGB
Long Beach
PDX
Portland
S$266 Return, found 1 day ago
S$266
Return
found 1 day ago
Select Delta flight, departing Thu, 19 Feb from Long Beach to Portland, returning Fri, 20 Feb, priced at S$266 found 1 day ago
Delta
Tue, 3 Feb - Wed, 4 Feb
BUR
Burbank
PDX
Portland
S$272 Return, found 4 hours ago
S$272
Return
found 4 hours ago
Select Delta flight, departing Tue, 3 Feb from Burbank to Portland, returning Wed, 4 Feb, priced at S$272 found 4 hours ago
Air Canada
Fri, 5 Jun - Mon, 8 Jun
YYC
Calgary
PDX
Portland
S$285 Return, found 3 days ago
S$285
Return
found 3 days ago
Select Air Canada flight, departing Fri, 5 Jun from Calgary to Portland, returning Mon, 8 Jun, priced at S$285 found 3 days ago
American Airlines
Tue, 17 Feb - Sat, 21 Feb
SFO
San Francisco
PDX
Portland
S$293 Return, found 2 days ago
S$293
Return
found 2 days ago
Select American Airlines flight, departing Tue, 17 Feb from San Francisco to Portland, returning Sat, 21 Feb, priced at S$293 found 2 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.

China Airlines
Sun, 28 Jun - Mon, 13 Jul
SIN
Singapore
PDX
Portland
S$1,124 Return, found 2 hours ago
S$1,124
Return
found 2 hours ago
Select China Airlines flight, departing Sun, 28 Jun from Singapore to Portland, returning Mon, 13 Jul, priced at S$1,124 found 2 hours 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$177 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$177 and S$1,124 in the last seven days. For one-way journeys leaving from San Francisco (SFO), the lowest amount paid during this period was just S$115.
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$177 and S$1,124. 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, Air Canada, Alaska Airlines
Roundtrip price
from S$177
Washington County Flights Information

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