Most visitors arrive in summer (Jun–Sep) when the weather is mild and mostly dry. Winter through spring (Nov–May) tends to be cool and rainy. Local events include the Skagit Valley Tulip Festival (Apr), Seattle International Film Festival (May–Jun) and Bumbershoot (Sep), a music and arts festival held in Seattle.

The most popular flight destinations in Washington are Seattle, Spokane, Pasco, Everett, Bellingham and Yakima .

Some of the most popular airports in Washington are:

• Seattle–Tacoma International Airport (SEA) in Seattle
• Spokane International Airport (GEG) in Spokane
• Tri-Cities Airport (PSC) in Pasco
• Paine Field (PAE) in Everett
• Bellingham International Airport (BLI) in Bellingham
• Yakima Air Terminal (YKM) (YKM) in Yakima
• Pullman-Moscow Regional Airport (PUW) (PUW) in Pullman
• Pangborn Memorial Airport (EAT) (EAT) in Wenatchee
• Walla Walla Regional Airport (ALW) (ALW) in Walla Walla
• Friday Harbor Airport - FHR (FRD) in Friday Harbor

Finding flights deals to Washington is easy on Google Flights. Get inspired by and select one of the recommendations at the top of the page.

Or, if you already have a city in mind, just enter it in the destination field in the form above. Then, open the calendar to see the cheapest days to fly. If you don't yet have a destination in mind, don't worry! Just leave Washington in the destination field and select Explore to easily compare the cheapest flights across multiple destinations in Washington.

To find the cheapest fares, it’s usually best to book at least a few weeks in advance for domestic flights and a few months in advance for international travel.

Absolutely. You can easily use Google Flights to plan multi-city trips within Washington. Select the Multi-city tab at the top of the page, enter the cities you want to visit within Washington, and adjust the dates accordingly. Google Flights will then display available flight options, so you can plan a seamless itinerary for your journey within Washington.

When booking a flight to Washington, play around with flight options and dates in the map to identify the cheapest times to travel. Price history and real-time insights can also tell you if a fare is lower or higher than usual. If you already have a specific destination in mind, you can track prices and get notified if the fare drops. So, you don't have to worry about paying too much or missing out on the cheapest time to book. Off-peak travel is often more budget-friendly, so planning your trip during these times can lead to significant savings.