Cheap Flights from Miami to Seattle

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

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Flight deals from Miami International to Seattle

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

Find the cheapest month to fly from Miami International to Seattle

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

Direct flights from Miami International to Seattle

Alternative Miami International to Seattle routes

Looking for the cheapest, fastest or easiest route from Miami International to Seattle? You could fly into the following airports instead.

Miami to Seattle: Flight information

The things to know before you go.
Cheapest flight found$253
Cheapest month to flyApril
Average flight time6 hrs, 48 mins
Most popular airlineQatar Airways
Average flights per week59

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

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Miami International to Seattle is $253. 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 48 minutes is the average flight time from Miami International to Seattle.
Qatar Airways, American Airlines and Air Tahiti Nui fly direct from Miami International to Seattle.
As of March 2025, there are 118 flights per week flying from Miami International to Seattle.
The cheapest month to fly from Miami International to Seattle is usually March 2025.
If you're flying from Miami International Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from $253.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Miami International Airport to Seattle on Tuesday, 29 April 2025.
Yes – the average flight time is 6 hours and 48 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 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.
In March, the average temperature is usually around 6°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Frontier Airlines and Delta offer the cheapest flight tickets to Seattle.

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

  • The average duration of a direct flight from Miami International Airport to Seattle is 5 hours 51 minutes.

  • Seattle is 3 hours behind Miami, where Miami International Airport is located. Seattle operates on the UTC-7 timezone.

  • Miami International Airport (MIA) to Seattle-Tacoma International Airport (SEA) is the most traveled route, with 23 weekly departures to pick from. If you have things to do before heading off, the last flight from MIA to SEA is with American Airlines at 21:10. Go for the first departure operated by American Airlines at 08:30 if you want to get on your way earlier.

  • Give yourself plenty of time to catch your flight from MIA to Seattle. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're getting away during a popular month like July, arrive at the terminal even earlier. It's smart to arrive up to four hours before an international flight and two hours ahead of a domestic departure. Check-in and security lines will be longer during high seasons like summer and spring break.

  • Nonstop flights from Miami International Airport (MIA) to Seattle are available for booking. Seattle-Tacoma International Airport (SEA) is where you'll be landing.

  • Popular airlines that operate direct flights from Miami International Airport to Seattle include:

  • Once you've booked your cheap tickets from Miami International Airport to Seattle, get your documents in order. A passport or visa isn't needed since you're travelling within United States. As long as you have another valid proof of identity, like an ID card or driver's licence, you're all set.

  • Located around 16 kilometres from the centre of Miami, MIA can be reached in about 19 minutes by car (depending on traffic). The journey on public transport is roughly 1 hour and 22 minutes.

  • Booked an early flight from Miami International Airport to Seattle? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays near MIA:

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

  • $135 is the best price for a one-way ticket from Miami International Airport to Seattle. A return flight starts from $253. These prices can change depending on availability.

  • Book 9 months before you want to fly. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from MIA to Seattle.

  • The cheapest month for tickets from Miami International Airport to Seattle is May. Compare prices using the 'Whole month' tool to find the cheapest travel date.

  • Sign into your online account or use the app to create a Price Alert. You'll be notified right away if there's a better deal on this route. It doesn't take long, and it'll save you the hassle of looking for flight tickets from MIA to Seattle every day.

  • Tailor your flights with filters. Pick your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Miami International Airport to Seattle.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes about 18 minutes by car. It's approximately 23 kilometres away.

  • When travelling on public transport, expect a journey of about 54 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Miami International Airport to Seattle. Book one of these accommodation options near SEA instead:

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • It's time to pick your dates for your flight from Miami International Airport to Seattle. July is the busiest month to visit Seattle. If you prefer a more relaxed vibe, go in May.

  • Book your flight from Miami International Airport to Seattle for August to visit the city during its warmest month. Expect temperatures to range from 12ºC to 28ºC.

  • Look for cheap flights from MIA to Seattle in February if you like cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 11ºC on average.

More about Seattle

Complete your Seattle trip with a car rental

  • Finding you a cheap flight from Miami International Airport to Seattle isn't our only party trick. Check out our car rentals in Seattle and have more freedom to explore. We find deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.

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