Portland (PDX) → Washington (IAD)

3,736 km
5h 10m flight
From $410
Washington destination photo

About Portland to Washington Flights

Discover the best flights from Portland to Washington, covering 3,736 km in approximately 5h 10m. Portland (PDX) to Washington (IAD) is one of the popular medium-haul routes within United States. With 2 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Portland to Washington.

12-Month Price History

Flight prices from Portland to Washington vary significantly throughout the year. February typically offers the best deals with average prices around $555, while July sees the highest prices, averaging $904. Savvy travelers can save up to 39% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

66 days

For best prices

Booking Tips

For the best prices on Portland to Washington flights, we recommend booking 54 days in advance. Domestic flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

United Airlines

UA

Economy

$1050

Business

$4170

First

$5080

Alaska Airlines

AS

Economy

$1150

Business

$4070

First

$6560

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Washington destination photo

PortlandWashington

Portland International (PDX) to Ronald Reagan Washington National (DCA)

Distance: 3,773 km

Average price: $666

View this route →

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Frequently Asked Questions

How long is the flight from Portland to Washington?

The flight time from Portland (PDX) to Washington (IAD) is approximately 5 hours and 10 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Portland and Washington?

The aerial distance between Portland and Washington is 3,736 kilometers (2,321 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Portland to Washington?

Several airlines operate flights between Portland and Washington, including United Airlines, Alaska Airlines. Direct flights are available on this route.

What is the cheapest month to fly from Portland to Washington?

Based on historical data, February typically offers the lowest airfares for flights from Portland to Washington. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Washington?

For the best prices on Portland to Washington flights, we recommend booking 76 days in advance. Domestic flights can sometimes offer good last-minute deals, but advance booking is usually cheaper.

Do I need a visa to travel from Portland to Washington?

Visa requirements depend on your nationality and the purpose of your visit. Since this is a domestic flight, no visa is required for citizens.

What is the time difference between Portland and Washington?

Portland operates on America/Los_Angeles time zone, while Washington is in the America/New_York time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.