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C$173 Cheap Flights from Miami International (MIA) to Seattle / Tacoma International (SEA)

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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 Airport to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from C$374. Find the lowest prices on one-way and return tickets right here.
Seattle.C$173 per passenger.Departing Tue., Sep. 1.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Miami International on Tue., Sep. 1, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$173, select.
Seattle.C$174 per passenger.Departing Tue., Aug. 18.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Miami International on Tue., Aug. 18, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$174, select.
Seattle.C$182 per passenger.Departing Tue., Jul. 28.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Miami International on Tue., Jul. 28, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$182, select.
Seattle.C$200 per passenger.Departing Thu., Jun. 25.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Miami International on Thu., Jun. 25, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$200, select.
Seattle.C$231 per passenger.Departing Tue., Oct. 6.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Miami International on Tue., Oct. 6, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$231, select.
Seattle.C$257 per passenger.Departing Tue., Sep. 15.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Miami International on Tue., Sep. 15, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$257, select.
Seattle.C$258 per passenger.Departing Tue., Oct. 6.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Miami International on Tue., Oct. 6, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$258, select.
Seattle.C$259 per passenger.Departing Thu., Aug. 20.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Miami International on Thu., Aug. 20, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$259, select.
Seattle.C$264 per passenger.Departing Wed., Jun. 17.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Miami International on Wed., Jun. 17, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$264, select.
Seattle.C$270 per passenger.Departing Sat., Dec. 12.One-way flight with United.Outbound indirect flight with United, departs from Miami International on Sat., Dec. 12, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$270, select.
Seattle.C$271 per passenger.Departing Wed., Apr. 21.One-way flight with United.Outbound indirect flight with United, departs from Miami International on Wed., Apr. 21, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$271, select.
Seattle.C$272 per passenger.Departing Thu., Feb. 18.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Miami International on Thu., Feb. 18, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$272, select.
Seattle.C$275 per passenger.Departing Tue., Jul. 14.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Miami International on Tue., Jul. 14, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$275, select.
Seattle.C$281 per passenger.Departing Fri., Nov. 13.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Miami International on Fri., Nov. 13, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$281, select.
Seattle.C$282 per passenger.Departing Mon., Nov. 2.One-way flight with Delta.Outbound direct flight with Delta departs from Miami International on Mon., Nov. 2, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$282, select.
Seattle.C$299 per passenger.Departing Tue., Dec. 15.One-way flight with Delta.Outbound direct flight with Delta departs from Miami International on Tue., Dec. 15, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$299, select.

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 September.
Jun.
from C$200
Jul.
from C$182
Aug.
from C$174
Sep.
from C$173
Oct.
from C$231
Nov.
from C$281
Dec.
from C$270
Jan.
from C$323
Feb.
from C$272
Mar.
from C$323
Apr.
from C$271
May
Find prices

Which airlines fly 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.

Seattle Lake Union SPB

2km from central Seattle
Closest
from C$526
Search flights

Seattle Boeing Fld

11km from central Seattle
from C$577
Search flights

Seattle / Tacoma International

20km from central Seattle
Cheapest
from C$173
Search flights

Paine Field

33km from central Seattle
from C$365
Search flights

Miami to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$173
Cheapest month to flySeptember
Average flight time6 hrs, 42 mins
Most popular airlineAmerican Airlines
Average flights per week63

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 C$351. 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 42 minutes is the average flight time from Miami International to Seattle / Tacoma International.
American Airlines, GOL Linhas Aéreas and Delta fly direct from Miami International to Seattle / Tacoma International.
As of June 2026, there are 63 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 September.
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, September 16, 2026.
Yes – the average flight time is 6 hours and 42 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, Southwest Airlines and Alaska Airlines offer the cheapest flight tickets to Seattle / Tacoma International.

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

  • A direct flight from Miami International Airport to Seattle-Tacoma International Airport takes an average of 6 hours 48 minutes. The timezone in Seattle is UTC-7, so it's 3 hours behind Miami.

  • Flights from Miami International Airport to Seattle-Tacoma International Airport start at 07:06 — the earliest with Alaska Airlines. The latest flight is the 23:12 service with American Airlines. In total, there are 23 weekly services from MIA to SEA.

  • If you're traveling during a public holiday or other peak period, allow extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

  • To break up your flight from Miami International Airport to Seattle-Tacoma International Airport, consider adding a stopover. Simply deselect 'Direct flights only' and find a destination that appeals to you. The most popular stopovers on the MIA - SEA route are:

    • Hartsfield-Jackson Atlanta International Airport

    • Denver International Airport

    • Nashville International Airport

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

  • The lowest price we've seen for a one-way ticket from Miami International Airport to Seattle-Tacoma International Airport is C$173. For a return flight on this route, the best price is C$351. Depending on the availability when you book, these fares may change.

  • Get cheap flight tickets from MIA to SEA by booking 9 months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • Organize your trip for May. That's the cheapest month for flight tickets from Miami International Airport to Seattle-Tacoma International Airport. If you have flexibility with your dates, try out the 'Whole month' tool to see the cheapest airfare across every month.

  • Log into your online account or use the app to set up a Price Alert. We'll let you know right away if there's a cheaper deal on this route. It's simple to do, and it'll save you time searching for cheap flight tickets from MIA to SEA every day.

  • Use filters to tailor your flights from Miami International Airport to Seattle-Tacoma International Airport. Enter your preferred arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to find the best deals.

Handy information about Miami International Airport (MIA)

  • Located around 16 kilometres from central Miami, Miami International Airport can be reached in about 19 minutes by car, depending on traffic. The ride by public transport takes roughly 1 hour and 22 minutes.

  • Have an early flight from Miami International Airport to Seattle-Tacoma International Airport? Avoid rushing to the airport (and sneak in some extra precious sleep) by choosing one of these hotels near MIA:

Arriving at Seattle-Tacoma International Airport (SEA)

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

  • Seattle-Tacoma International Airport to the center of Seattle is about 18 minutes by car. It's approximately 23 kilometres away. See what options are available, such as car rentals, cabs or ride-sharing services.

  • If you're traveling by public transport, expect a journey time of around 54 minutes.

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

  • It's time to pick your trip dates for your flight from Miami International Airport to Seattle-Tacoma International Airport. July is the most popular month to visit Seattle. If you want a more low-key vibe, go in May.

  • The warmest month in Seattle is August, with the temperature ranging between 12ºC and 28ºC. Lock in your flights from Miami International Airport to Seattle-Tacoma International Airport in this month if this is the type of weather you like.

  • If you want cooler conditions, search for a cheap ticket from MIA to SEA in February. Temperatures average between -1ºC and 11ºC then.

More about Seattle

  • As soon as you've locked in your flights from MIA to SEA, you'll want to find a place to stay in Seattle. Make one of these accommodation options your base for exploring this exciting destination:

  • There are so many things to discover in this city it can be tricky to know where to start. Picardo Farm P-Patch Community Garden, Elliott Bay Waterfront and LMN Architects are highlights which should feature on any good Seattle itinerary.

Complete your Seattle trip with hotels and a car rental

  • After you've secured your cheap ticket to Seattle-Tacoma International Airport, browse our low prices and exclusive rates for hotels. You can also compare a range of car rental companies in one place to get the best car rental price for your Seattle getaway.

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