Flights from Key West to Washington

Flight deals from Key West to Washington

Looking for cheap tickets from Key West to Washington, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Seattle.฿11,867 per passenger.Departing Sat, 21 Mar.One-way flight with United.Outbound indirect flight with United, departs from Key West International on Sat, 21 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ฿11,867, select.

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Flying from Key West to Washington

Arm yourself with these facts on the fly.

Cheapest flight found	฿11,867
Cheapest month to fly	March
Cheapest airport to fly from	Key West International

How to find cheap flights from Key West to Washington

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Key West to Washington. Other savvy travellers recently found return flights from ฿12,065 and one-way tickets from ฿11,867 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Key West International into Seattle / Tacoma International

At the moment, the lowest priced flight tickets to Washington are from Key West International Airport to Seattle / Tacoma International Airport.

Fly in March

We crunched the flight calendar and found the cheapest time to fly from Key West to Washington is currently March.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Key West to anywhere you choose in Washington.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Key West to Washington go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Washington to Washington flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Key West to Washington flight price?

We looked at all of the upcoming return flights from Key West to Washington we could find over the next 12 months. It looks like ฿12,065 is the best price. This is good, compared to the average Washington ticket price of ฿15,015.

What is the cheapest month to fly from Key West to Washington?

The cheapest month to fly from Key West to Spokane International Airport is currently March. The cheapest month to fly from Key West to Seattle / Tacoma International Airport is usually March

Which upcoming date is cheapest to fly from Key West to Washington on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Key West to Washington on Thursday, 5 March 2026.

Are there any direct flights from Key West to Washington?

Currently, there aren't any direct flights from Key West to Washington, but you can still fly with a stopover.

If I'm flying from Key West, where in Washington is cheapest to fly into?

If you're flying from Key West, the cheapest city in Washington to fly into is Seattle. The cheapest airport serving Seattle at the moment is Seattle / Tacoma International.