Cheap Flights from Miami International to Seattle / Tacoma International

Compare Miami International to Seattle / Tacoma International flight deals

Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

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Flight deals from Miami International to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Miami International to Seattle / Tacoma International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Miami International to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Miami International to Seattle / Tacoma International flights are currently cheapest in December.

Direct flights from Miami International to Seattle / Tacoma International

Miami International to Seattle / Tacoma International: Alternative routes

Compare routes from Miami International to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Miami to Seattle: Flight information

The things to know before you go.
Cheapest flight foundR 1,097
Cheapest month to flyDecember
Average flight time6 hrs, 49 mins
Most popular airlineAmerican Airlines
Average flights per week72

Finding cheap flights from Miami International to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Miami International to Seattle / Tacoma International is R 2,751. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 49 minutes is the average flight time from Miami International to Seattle / Tacoma International.
American Airlines, Alaska Airlines and Air Tahiti Nui fly direct from Miami International to Seattle / Tacoma International.
As of October 2025, there are 72 flights per week flying from Miami International to Seattle / Tacoma International.
The cheapest month to fly from Miami International to Seattle / Tacoma International is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Miami International Airport to Seattle / Tacoma International Airport on Wednesday, 10 December 2025.
Yes – the average flight time is 6 hours and 49 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and Delta offer the cheapest flight tickets to Seattle / Tacoma International.

Travelling from Miami International Airport (MIA) to Seattle-Tacoma International Airport (SEA): what you need to know

  • The average time for a direct flight from Miami International Airport to Seattle-Tacoma International Airport is 6 hours 50 minutes.

  • Seattle's timezone is UTC-7, making Seattle three hours behind Miami.

  • Choose from 23 weekly Miami International Airport to Seattle-Tacoma International Airport flights. The 08:30 departure with American Airlines is the earliest flight available. American Airlines operates the latest service of the day at 21:10.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to board your MIA to SEA flight.

  • Flying during a peak month like July? School holidays and other popular seasons can result in longer queues and delays at security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • With direct flights from Miami International Airport to Seattle-Tacoma International Airport operated by a number of airlines, flying to Seattle (and then other destinations in United States) is a snap. Here's who you can fly nonstop with:

  • American Airlines is the airline most travellers choose to fly with on this route.

  • With 75.0% of services landing as planned, Alaska Airlines is the most punctual carrier offering MIA to SEA flights.

  • If you'd like to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Miami International Airport to Seattle-Tacoma International Airport. Here are the top stopovers between MIA and SEA:

    • Hartsfield-Jackson Atlanta International Airport

    • Nashville International Airport

    • Denver International Airport

How to find the cheapest flights from Miami International Airport (MIA) to Seattle-Tacoma International Airport (SEA)

  • Right now, R 1,097 is the cheapest price we've found for a one-way Miami International Airport to Seattle-Tacoma International Airport flight. The best price for a return plane ticket is R 2,751. Remember that fares can change due to demand at the time of booking.

  • Get cheap tickets from MIA to SEA by booking at least six months ahead. Based on our research, that's the sweet spot for finding a bargain.

  • May is the cheapest month for flights from Miami International Airport to Seattle-Tacoma International Airport. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

  • Save time searching for cheap flights from MIA to SEA by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Find the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Miami International Airport to Seattle-Tacoma International Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Miami International Airport (MIA)

  • MIA is located at 4200 N.W. 21 Street.

  • When it comes to the on-time performance of Miami International Airport, data shows 76.14% of flights complete their journey on time.

  • Central Miami to Miami International Airport is approximately 16 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Planning to catch public transport? You can expect a journey time of around 1 hour 20 minutes.

  • Get your journey off to a hassle-free start by staying near MIA. Whether you're taking an early flight from Miami International Airport to Seattle-Tacoma International Airport or just don't want to be rushed, these stays are ideal:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • From Seattle-Tacoma International Airport, Seattle is approximately 23 kilometres away. It takes around 20 minutes to get to the centre driving.

  • It takes around 55 minutes when travelling by public transport.

When to fly to Seattle-Tacoma International Airport (SEA)

  • July is the most popular month for flights from Miami International Airport to Seattle-Tacoma International Airport. To escape the crowds, travel to Seattle in May.

  • Before locking in your flight from Miami International Airport to Seattle-Tacoma International Airport, think about the type of weather you enjoy. August is the warmest month in Seattle, with the temperature ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • February sees average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Look for cheap tickets from MIA to SEA sometime then if you want to travel when it's cooler.

Explore more of United States

  • You've seen Seattle, now it's time to discover other corners of United States. Journey about 241 kilometres south to Portland to tick off its leading sights. From Pioneer Courthouse Square to Portland Japanese Garden and Pittock Mansion, you've got a jam-packed schedule ahead.

  • Spokane is another standout destination in United States and is around 370 kilometres east of Seattle. No trip is complete without visiting Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.