Cheap Flights to Washington County from ₩113,600

View ₩113,600 flight on Tue, Apr 7, 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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How much is the cheapest flight to Washington County?

Prices were available within the past 7 days and start at ₩113,600 for one-way flights and ₩155,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Thu, Feb 19 - Sat, Feb 21
SEA
Seattle
PDX
Portland
₩155,100 Roundtrip, found 5 days ago
₩155,100
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Thu, Feb 19 from Seattle to Portland, returning Sat, Feb 21, priced at ₩155,100 found 5 days ago
Delta
Thu, Feb 19 - Sat, Feb 21
SEA
Seattle
PDX
Portland
₩155,300 Roundtrip, found 5 days ago
₩155,300
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Feb 19 from Seattle to Portland, returning Sat, Feb 21, priced at ₩155,300 found 5 days ago
Hawaiian Airlines
Thu, Feb 19 - Sat, Feb 21
SEA
Seattle
PDX
Portland
₩169,500 Roundtrip, found 5 days ago
₩169,500
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Thu, Feb 19 from Seattle to Portland, returning Sat, Feb 21, priced at ₩169,500 found 5 days ago
Hawaiian Airlines
Tue, Apr 7 - Sat, Apr 11
LAX
Los Angeles
PDX
Portland
₩198,600 Roundtrip, found 5 days ago
₩198,600
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Apr 7 from Los Angeles to Portland, returning Sat, Apr 11, priced at ₩198,600 found 5 days ago
Hawaiian Airlines
Tue, Apr 7 - Sat, Apr 11
ONT
Ontario
PDX
Portland
₩198,600 Roundtrip, found 5 days ago
₩198,600
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Apr 7 from Ontario to Portland, returning Sat, Apr 11, priced at ₩198,600 found 5 days ago
Alaska Airlines
Fri, Mar 6 - Fri, Mar 6
LAX
Los Angeles
PDX
Portland
₩277,500 Roundtrip, found 2 days ago
₩277,500
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Mar 6 from Los Angeles to Portland, returning Fri, Mar 6, priced at ₩277,500 found 2 days ago
Hawaiian Airlines
Tue, Feb 17 - Sat, Feb 28
JFK
New York
PDX
Portland
₩284,400 Roundtrip, found 6 days ago
₩284,400
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 17 from New York to Portland, returning Sat, Feb 28, priced at ₩284,400 found 6 days ago
Air Canada
Wed, Feb 4 - Thu, Feb 5
YVR
Vancouver
PDX
Portland
₩306,400 Roundtrip, found 1 day ago
₩306,400
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Feb 4 from Vancouver to Portland, returning Thu, Feb 5, priced at ₩306,400 found 1 day ago
United
Wed, Feb 4 - Thu, Feb 5
YVR
Vancouver
PDX
Portland
₩314,600 Roundtrip, found 1 day ago
₩314,600
Roundtrip
found 1 day ago
Select United flight, departing Wed, Feb 4 from Vancouver to Portland, returning Thu, Feb 5, priced at ₩314,600 found 1 day ago
American Airlines
Tue, Apr 7 - Sat, Apr 11
LAX
Los Angeles
PDX
Portland
₩343,300 Roundtrip, found 5 days ago
₩343,300
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Apr 7 from Los Angeles to Portland, returning Sat, Apr 11, priced at ₩343,300 found 5 days ago

About Washington County

Expedia offers flights to Washington County to meet every traveler'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 traveling 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, ₩155,100 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 ₩155,100 and ₩868,800 in the last seven days. For one-way journeys leaving from Los Angeles (LAX), the lowest amount paid during this period was just ₩113,600.
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 ₩155,100 and ₩868,800. 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 55ºF to 80ºF. 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, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Feb 23 - Mon, Mar 2
ICN
Seoul
PDX
Portland
₩868,800 Roundtrip, found 6 hours ago
₩868,800
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Mon, Feb 23 from Seoul to Portland, returning Mon, Mar 2, priced at ₩868,800 found 6 hours ago
*Available to Expedia members.