€391 Cheap flights to Washington

The average flight to State of Washington costs €310/per person and the cheapest flight to State of Washington is €100/per person. This price varies based on a multitude of factors such as departure airport, airline, time of booking and when you plan on travelling.

98% of momondo users visit Seattle more often than any other city in State of Washington. When travelling to Seattle, typically the most convenient airport to fly into is Seattle Airport.

The closest airport to Seattle Marriott Waterfront is Seattle Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to Everett Airport.

State of Washington typically has a temperature range from 5 °C(December) to 19 °C(July). Those looking to avoid rain and/or snow while visiting State of Washington should plan their trip in July, August, or September, as these months are relatively less likely to have precipitation.

Of the 3 airlines that fly to State of Washington, Aer Lingus, British Airways and Icelandair happen to be the most favoured based on our user data. Aer Lingus is the most popular among the three airlines, with 69% of users choosing them for their travels to State of Washington.

If your travel plans are flexible and you’re looking to save money on flights to State of Washington, then be sure to book your departure on a Tuesday. Flying out on a Tuesday, as well as a Friday, is your best option. Departing on a Thursday tends to be the most expensive day of the week to fly to State of Washington.

Prices for flights to Washington are refreshed on a daily basis.

The number of operators available for flights to Washington is 3 as of October 2026.

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Washington.

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.