NZ$315 Cheap Flights Miami to Seattle (MIA-SEA)

View NZ$315 flight on Thu, 30 Apr 2026Opens in a new window

Popular airlines from Miami International Airport (MIA) to Seattle-Tacoma International Airport (SEA)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Miami (MIA) to Seattle (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from Miami Airport to Sea-Tac Airport?
If you're planning on travelling from MIA to Sea-Tac Airport, round-trip journeys start from . This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from MIA to SEA?
This can differ between airlines, as each one has its own terms and conditions. Head to the Customer Service Portal, where there are simple instructions on how to cancel online.
How do I find cheap flights from Miami Airport to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Miami Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from MIA to Sea-Tac Airport?
Miami to SeaTac is around 4 400 kilometres, so get ready to spend quite a while in the air. Don't forget to pack all the essentials, from your hoodie to your headphones. Toss in a few snacks to nibble on throughout your journey too.
Which airlines fly direct from Miami Intl. Airport (MIA) to Seattle - Tacoma Intl. Airport (SEA)?
Alaska Airlines (AS) is one of the preferred choices for travellers jetting between MIA and Sea-Tac Airport. Choose from the 30 flights it operates on this route each month. Operating 30 flights a month along this route, American Airlines (AA) is another good choice.
Are MIA to SEA flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally pick up a bargain, with some super cheap fares from MIA to Sea-Tac Airport cropping up a few weeks before the date of departure. If you'd rather book ahead, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not every airline advertises prices that far in advance.

Travel information

Origin airport
Miami Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
4353 km
Average flight time
3 hours 44 mins

Explore a world of travel with Expedia

*Available to Expedia members.