Flight Destinations in Washington County

View ฿2,190 flight on Wed, 25 Mar 2026Opens in a new window

Popular airlines to Washington County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at ฿2,190 for one-way flights and ฿3,105 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 5 May - Tue, 19 May
SFO
San Francisco
PDX
Portland
฿3,105 Return, found 5 days ago
฿3,105
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 5 May from San Francisco to Portland, returning Tue, 19 May, priced at ฿3,105 found 5 days ago
Delta
Sat, 11 Apr - Wed, 15 Apr
SEA
Seattle
PDX
Portland
฿4,965 Return, found 6 days ago
฿4,965
Return
found 6 days ago
Select Delta flight, departing Sat, 11 Apr from Seattle to Portland, returning Wed, 15 Apr, priced at ฿4,965 found 6 days ago
United
Mon, 18 May - Wed, 20 May
SFO
San Francisco
PDX
Portland
฿6,520 Return, found 4 days ago
฿6,520
Return
found 4 days ago
Select United flight, departing Mon, 18 May from San Francisco to Portland, returning Wed, 20 May, priced at ฿6,520 found 4 days ago
Delta
Wed, 4 Mar - Sat, 7 Mar
PHX
Phoenix
PDX
Portland
฿8,745 Return, found 17 hours ago
฿8,745
Return
found 17 hours ago
Select Delta flight, departing Wed, 4 Mar from Phoenix to Portland, returning Sat, 7 Mar, priced at ฿8,745 found 17 hours ago
Delta
Sat, 4 Jul - Wed, 15 Jul
JFK
New York
PDX
Portland
฿8,850 Return, found 8 hours ago
฿8,850
Return
found 8 hours ago
Select Delta flight, departing Sat, 4 Jul from New York to Portland, returning Wed, 15 Jul, priced at ฿8,850 found 8 hours ago
United
Sat, 7 Mar - Sat, 14 Mar
EWR
New York
PDX
Portland
฿9,805 Return, found 4 days ago
฿9,805
Return
found 4 days ago
Select United flight, departing Sat, 7 Mar from New York to Portland, returning Sat, 14 Mar, priced at ฿9,805 found 4 days ago
Delta
Thu, 17 Sept - Tue, 22 Sept
FCA
Kalispell
PDX
Portland
฿10,785 Return, found 12 hours ago
฿10,785
Return
found 12 hours ago
Select Delta flight, departing Thu, 17 Sept from Kalispell to Portland, returning Tue, 22 Sept, priced at ฿10,785 found 12 hours ago
American Airlines
Wed, 4 Mar - Sat, 7 Mar
PHX
Phoenix
PDX
Portland
฿11,275 Return, found 17 hours ago
฿11,275
Return
found 17 hours ago
Select American Airlines flight, departing Wed, 4 Mar from Phoenix to Portland, returning Sat, 7 Mar, priced at ฿11,275 found 17 hours ago
Delta
Thu, 5 Mar - Mon, 9 Mar
LGA
New York
PDX
Portland
฿12,035 Return, found 1 day ago
฿12,035
Return
found 1 day ago
Select Delta flight, departing Thu, 5 Mar from New York to Portland, returning Mon, 9 Mar, priced at ฿12,035 found 1 day ago
Philippine Airlines
Tue, 22 Sept - Sat, 26 Sept
BKK
Bangkok
PDX
Portland
฿25,015 Return, found 5 days ago
฿25,015
Return
found 5 days ago
Select Philippine Airlines flight, departing Tue, 22 Sept from Bangkok to Portland, returning Sat, 26 Sept, priced at ฿25,015 found 5 days 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, ฿3,105 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 ฿3,105 and ฿25,015 in the last seven days. For one-way journeys leaving from San Francisco (SFO), the lowest amount paid during this period was just ฿2,190.
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 ฿3,105 and ฿25,015. 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.

Philippine Airlines
Tue, 22 Sept - Sat, 26 Sept
BKK
Bangkok
PDX
Portland
฿25,015 Return, found 5 days ago
฿25,015
Return
found 5 days ago
Select Philippine Airlines flight, departing Tue, 22 Sept from Bangkok to Portland, returning Sat, 26 Sept, priced at ฿25,015 found 5 days ago
*Available to Expedia members.