Flight Destinations in Washington County

View ฿3,395 flight on Thu, 7 May 2026Opens in a new window

Popular airlines to Washington County

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • 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 ฿3,395 for one-way flights and ฿5,855 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 20 Jan - Sun, 25 Jan
LAX
Los Angeles
PDX
Portland
฿5,855 Return, found 1 day ago
฿5,855
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Jan from Los Angeles to Portland, returning Sun, 25 Jan, priced at ฿5,855 found 1 day ago
Delta
Tue, 13 Jan - Sat, 17 Jan
LAS
Las Vegas
PDX
Portland
฿8,120 Return, found 3 days ago
฿8,120
Return
found 3 days ago
Select Delta flight, departing Tue, 13 Jan from Las Vegas to Portland, returning Sat, 17 Jan, priced at ฿8,120 found 3 days ago
Alaska Airlines
Wed, 25 Feb - Tue, 3 Mar
CHS
Charleston
PDX
Portland
฿8,590 Return, found 19 hours ago
฿8,590
Return
found 19 hours ago
Select Alaska Airlines flight, departing Wed, 25 Feb from Charleston to Portland, returning Tue, 3 Mar, priced at ฿8,590 found 19 hours ago
United
Fri, 3 Apr - Mon, 6 Apr
LAS
Las Vegas
PDX
Portland
฿8,980 Return, found 1 day ago
฿8,980
Return
found 1 day ago
Select United flight, departing Fri, 3 Apr from Las Vegas to Portland, returning Mon, 6 Apr, priced at ฿8,980 found 1 day ago
Delta
Fri, 29 May - Mon, 8 Jun
JFK
New York
PDX
Portland
฿10,535 Return, found 1 day ago
฿10,535
Return
found 1 day ago
Select Delta flight, departing Fri, 29 May from New York to Portland, returning Mon, 8 Jun, priced at ฿10,535 found 1 day ago
American Airlines
Tue, 20 Jan - Sun, 25 Jan
LAX
Los Angeles
PDX
Portland
฿10,685 Return, found 1 day ago
฿10,685
Return
found 1 day ago
Select American Airlines flight, departing Tue, 20 Jan from Los Angeles to Portland, returning Sun, 25 Jan, priced at ฿10,685 found 1 day ago
Delta
Tue, 6 Jan - Tue, 13 Jan
DAL
Dallas
PDX
Portland
฿11,220 Return, found 6 hours ago
฿11,220
Return
found 6 hours ago
Select Delta flight, departing Tue, 6 Jan from Dallas to Portland, returning Tue, 13 Jan, priced at ฿11,220 found 6 hours ago
Delta
Fri, 29 May - Mon, 8 Jun
EWR
New York
PDX
Portland
฿12,095 Return, found 1 day ago
฿12,095
Return
found 1 day ago
Select Delta flight, departing Fri, 29 May from New York to Portland, returning Mon, 8 Jun, priced at ฿12,095 found 1 day ago
Delta
Fri, 29 May - Mon, 8 Jun
LGA
New York
PDX
Portland
฿13,030 Return, found 1 day ago
฿13,030
Return
found 1 day ago
Select Delta flight, departing Fri, 29 May from New York to Portland, returning Mon, 8 Jun, priced at ฿13,030 found 1 day ago
Air Canada
Mon, 26 Jan - Tue, 10 Feb
BKK
Bangkok
PDX
Portland
฿27,020 Return, found 1 day ago
฿27,020
Return
found 1 day ago
Select Air Canada flight, departing Mon, 26 Jan from Bangkok to Portland, returning Tue, 10 Feb, priced at ฿27,020 found 1 day ago

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.

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, ฿5,855 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 ฿5,855 and ฿27,020 in the last seven days. For one-way journeys leaving from Los Angeles (LAX), the lowest amount paid during this period was just ฿3,395.
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.
How much is a plane ticket to Washington County?
In the last seven days, tickets to Washington County varied between ฿5,855 and ฿27,020. 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.

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
Mon, 26 Jan - Tue, 10 Feb
BKK
Bangkok
PDX
Portland
฿27,020 Return, found 1 day ago
฿27,020
Return
found 1 day ago
Select Air Canada flight, departing Mon, 26 Jan from Bangkok to Portland, returning Tue, 10 Feb, priced at ฿27,020 found 1 day ago
*Available to Expedia members.