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

View AU$278 flight on Tue, 26 May 2026Opens in a new window

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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 6 May - Sat, 16 May
MIA
Miami
SEA
Seattle
AU$618 Return, found 1 day ago
AU$618
Return
found 1 day ago
Select American Airlines flight, departing Wed, 6 May from Miami to Seattle, returning Sat, 16 May, priced at AU$618 found 1 day ago
American Airlines
Fri, 8 May - Sat, 16 May
MIA
Miami
SEA
Seattle
AU$631 Return, found 5 days ago
AU$631
Return
found 5 days ago
Select American Airlines flight, departing Fri, 8 May from Miami to Seattle, returning Sat, 16 May, priced at AU$631 found 5 days ago
American Airlines
Sat, 9 May - Wed, 13 May
MIA
Miami
SEA
Seattle
AU$640 Return, found 5 days ago
AU$640
Return
found 5 days ago
Select American Airlines flight, departing Sat, 9 May from Miami to Seattle, returning Wed, 13 May, priced at AU$640 found 5 days ago
American Airlines
Wed, 6 May - Sat, 16 May
MIA
Miami
SEA
Seattle
AU$641 Return, found 1 day ago
AU$641
Return
found 1 day ago
Select American Airlines flight, departing Wed, 6 May from Miami to Seattle, returning Sat, 16 May, priced at AU$641 found 1 day ago
American Airlines
Fri, 8 May - Sat, 16 May
MIA
Miami
SEA
Seattle
AU$645 Return, found 5 days ago
AU$645
Return
found 5 days ago
Select American Airlines flight, departing Fri, 8 May from Miami to Seattle, returning Sat, 16 May, priced at AU$645 found 5 days ago
American Airlines
Sat, 9 May - Wed, 13 May
MIA
Miami
SEA
Seattle
AU$654 Return, found 5 days ago
AU$654
Return
found 5 days ago
Select American Airlines flight, departing Sat, 9 May from Miami to Seattle, returning Wed, 13 May, priced at AU$654 found 5 days ago
American Airlines
Wed, 6 May - Sat, 16 May
MIA
Miami
SEA
Seattle
AU$654 Return, found 1 day ago
AU$654
Return
found 1 day ago
Select American Airlines flight, departing Wed, 6 May from Miami to Seattle, returning Sat, 16 May, priced at AU$654 found 1 day ago
Delta
Fri, 8 May - Sat, 16 May
MIA
Miami
SEA
Seattle
AU$667 Return, found 5 days ago
AU$667
Return
found 5 days ago
Select Delta flight, departing Fri, 8 May from Miami to Seattle, returning Sat, 16 May, priced at AU$667 found 5 days ago
United
Wed, 6 May - Sat, 16 May
MIA
Miami
SEA
Seattle
AU$785 Return, found 1 day ago
AU$785
Return
found 1 day ago
Select United flight, departing Wed, 6 May from Miami to Seattle, returning Sat, 16 May, priced at AU$785 found 1 day ago
Alaska Airlines
Wed, 6 May - Sat, 16 May
MIA
Miami
SEA
Seattle
AU$955 Return, found 1 day ago
AU$955
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 6 May from Miami to Seattle, returning Sat, 16 May, priced at AU$955 found 1 day ago

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

May is typically the cheapest month to fly

From AU$232 - AU$461 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 $1,039 and $2,906 and return flights often range between $1,039 and $2,906. 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.
What is the cheapest month to fly from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
September is typically the cheapest month to fly from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares of approximately 496 AUD. This is about 13% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include February and October.
Which airlines fly direct from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter MIA to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
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, DL offers early morning flights. If price is the most important factor, DL typically offers the lowest fares. AA offers the most daily flights from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great 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 best time to fly from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Based on booking data from the past year, the cheapest months to fly from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are typically September and October, with average return flights around 496 AUD. While these months offer great value, the most popular times to travel are November and December, meaning you'll find plenty of flight options then. If you're looking for the best balance of price and availability, consider booking during the shoulder seasons around these times.
How many flights per day from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 3 nonstop flights per day from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). For even more choice, look at flights that include layovers, as there are around 152 connecting flights per day. Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), Dallas-Fort Worth Intl. (DFW), and George Bush Intercontinental (IAH).
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 you make the most of 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. Around 34% of passengers reckon this time's best. Heaps of 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 long does it take to fly from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A nonstop flight from MIA to SEA typically takes around 7 hours, covering approximately 2,721 miles. Connecting flights on this route usually add 2 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for MIA to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
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.
What airports do you fly into for Seattle from Miami Intl. (MIA)?
If you're planning to travel to Seattle from Miami Intl. (MIA), you can fly directly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like George Bush Intercontinental (IAH), Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Miami, FL (MIA-Miami Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
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, American Airlines, Delta, United
Return price
AU$617
Distance
4353 km
Average flight time
3 hours 40 mins

Book with confidence

Your quick guide to flights from Miami to Seattle

Pick up great flights from Miami to Seattle

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Miami to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Miami to Seattle that take around hours.

Find cheap flights from Miami to Seattle

From the great flight deals with prices currently ranging from AU$618 to AU$955, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Miami to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in May.

Reasons to book your flight from Miami to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Miami to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Miami to Seattle

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*Available to Expedia members.