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£152 Cheap Flights from Miami (MIA) to Seattle (SEA)

View £152 flight on Sun, 6 Sept 2026Opens in a new window

Flight 1

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

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

Prices were available within the past 7 days and start at £152 for one-way flights and £259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 24 Sept - Tue, 29 Sept
MIA
Miami
SEA
Seattle
£259 Return, found 15 hours ago
£259
Return
found 15 hours ago
Select Alaska Airlines flight, departing Thu, 24 Sept from Miami to Seattle, returning Tue, 29 Sept, priced at £259 found 15 hours ago
American Airlines
Sat, 7 Nov - Sun, 8 Nov
MIA
Miami
SEA
Seattle
£261 Return, found 3 days ago
£261
Return
found 3 days ago
Select American Airlines flight, departing Sat, 7 Nov from Miami to Seattle, returning Sun, 8 Nov, priced at £261 found 3 days ago
Delta
Thu, 24 Sept - Tue, 29 Sept
MIA
Miami
SEA
Seattle
£261 Return, found 3 days ago
£261
Return
found 3 days ago
Select Delta flight, departing Thu, 24 Sept from Miami to Seattle, returning Tue, 29 Sept, priced at £261 found 3 days ago
American Airlines
Thu, 24 Sept - Tue, 29 Sept
MIA
Miami
SEA
Seattle
£269 Return, found 3 days ago
£269
Return
found 3 days ago
Select American Airlines flight, departing Thu, 24 Sept from Miami to Seattle, returning Tue, 29 Sept, priced at £269 found 3 days ago
American Airlines
Thu, 24 Sept - Tue, 29 Sept
MIA
Miami
SEA
Seattle
£276 Return, found 3 days ago
£276
Return
found 3 days ago
Select American Airlines flight, departing Thu, 24 Sept from Miami to Seattle, returning Tue, 29 Sept, priced at £276 found 3 days ago
American Airlines
Thu, 24 Sept - Tue, 29 Sept
MIA
Miami
SEA
Seattle
£284 Return, found 3 days ago
£284
Return
found 3 days ago
Select American Airlines flight, departing Thu, 24 Sept from Miami to Seattle, returning Tue, 29 Sept, priced at £284 found 3 days ago
American Airlines
Thu, 24 Sept - Tue, 29 Sept
MIA
Miami
SEA
Seattle
£291 Return, found 3 days ago
£291
Return
found 3 days ago
Select American Airlines flight, departing Thu, 24 Sept from Miami to Seattle, returning Tue, 29 Sept, priced at £291 found 3 days ago
Alaska Airlines
Tue, 15 Sept - Fri, 25 Sept
MIA
Miami
SEA
Seattle
£293 Return, found 19 hours ago
£293
Return
found 19 hours ago
Select Alaska Airlines flight, departing Tue, 15 Sept from Miami to Seattle, returning Fri, 25 Sept, priced at £293 found 19 hours ago
Alaska Airlines
Sun, 30 Aug - Sat, 5 Sept
MIA
Miami
SEA
Seattle
£295 Return, found 2 days ago
£295
Return
found 2 days ago
Select Alaska Airlines flight, departing Sun, 30 Aug from Miami to Seattle, returning Sat, 5 Sept, priced at £295 found 2 days ago
United
Thu, 24 Sept - Tue, 29 Sept
MIA
Miami
SEA
Seattle
£359 Return, found 3 days ago
£359
Return
found 3 days ago
Select United flight, departing Thu, 24 Sept from Miami to Seattle, returning Tue, 29 Sept, priced at £359 found 3 days ago

Find the cheapest month to fly from Miami (MIA) to Seattle (SEA)

February is typically the cheapest month to fly

From £118 - £212 per traveller.

Frequently asked questions

How much does a flight from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between £546 and £1,527 and return flights often range between £546 and £1,527. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
How do I find cheap flights from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveller to traveller. If you like to fly early, Delta Air Lines offers early morning flights. If price is the most important factor, Delta Air Lines typically offers the lowest fares. American Airlines offers the most daily flights from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the earliest flight from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in October. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you're flying from Miami International Airport (MIA) to Seattle - Tacoma International Airport (SEA), you'll generally find the most flights on a Saturday, with around 76 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United Airlines, and Delta Air Lines. Saturdays offer notably more flight options compared to other days of the week, making it a good day to consider for your journey.
What are the most popular departure times for flights from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the morning, from 6am to 9am. About 34% of passengers prefer this time. Many major carriers, including American Airlines and Delta Air Lines, offer flights during this window. This timing works well because it allows you to start your travel day early and arrive in Seattle with plenty of time to settle in.
How do I earn miles on a Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Can I cancel or change the date of my flight from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Miami Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines
Return price
£259
Distance
4353 km
Average flight time
3 hours 39 mins

Book with confidence

Compare flights from Miami to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Miami to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Miami Intl. to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Miami Intl. (MIA) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Miami to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Miami Intl. to Seattle - Tacoma Intl. start at just £259 and range up to £359.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Miami and Seattle
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Miami to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Miami Intl. to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Miami to Seattle easily and book with confidence

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*Available to Expedia members.