What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Miami to Seattle on average per day?

As of October 2025, 5 flights take off from Miami and land in Seattle each day. The most common flight departure time for this route is 6:00p.m., with 100% of daily flights taking off in the evening.

How many flights depart from Miami to Seattle on average per week?

As of October 2025, there are 36 flights per week flying from Miami to Seattle. The most common day of the week flights depart is Wed, with 22% of flights taking off on this day.

What is the cheapest airline that flies from Miami to Seattle/Tacoma Intl?

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Miami to Seattle/Tacoma Intl

Which airline has the best punctuality record on Miami to Seattle flights?

According to our data, Atlas Air has had the lowest number of delays on this route over the last 12 months, with no flights being classified as delayed.

How often are flights from Miami to Seattle delayed?

Historically, on average around 20% of flights between Miami and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 163 minutes.

What is the most punctual flight time for Miami to Seattle flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

When did momondo last update prices for flights from Miami Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Miami Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How old do you have to be to fly from Miami Airport to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Miami Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 123 Cheap Flights from Miami to Seattle in 2025/26

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One-way

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Cheap round-trip flights

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6:34 p.m. - 10:30 p.m.MIA-SEA

6h 56mdirect

8:45 a.m. - 5:34 p.m.SEA-MIA

5h 49mdirect

C$ 306Alaska Airlines

Find Deal

Fri, 5 Dec - Sun, 7 Dec

6:11 p.m. - 10:05 p.m.MIA-SEA

6h 54mdirect

9:20 p.m. - 6:05 a.m.SEA-MIA

5h 45mdirect

C$ 312Alaska Airlines

Find Deal

Wed, 24 Dec - Tue, 30 Dec

9:00 a.m. - 5:50 p.m.MIA-SEA

11h 50m2 stops

10:45 a.m. - 9:30 p.m.SEA-MIA

7h 45m1 stop

C$ 313Southwest

Find Deal

Thu, 22 Jan - Sat, 24 Jan

6:34 p.m. - 10:29 p.m.MIA-SEA

6h 55mdirect

7:50 p.m. - 3:39 p.m.SEA-MIA

16h 49m1 stop

C$ 320Alaska Airlines

Find Deal

Thu, 15 Jan - Sun, 18 Jan

6:00 p.m. - 9:58 p.m.MIA-SEA

6h 58mdirect

7:55 a.m. - 4:50 p.m.SEA-MIA

5h 55mdirect

C$ 331Delta

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Thu, 4 Dec - Wed, 10 Dec

6:05 p.m. - 10:12 p.m.MIA-SEA

7h 07mdirect

8:00 a.m. - 5:05 p.m.SEA-MIA

6h 05mdirect

C$ 333Delta

Find Deal

Thu, 12 Feb - Mon, 16 Feb

7:00 a.m. - 3:29 p.m.MIA-SEA

11h 29m2 stops

7:10 a.m. - 5:53 p.m.SEA-MIA

7h 43m1 stop

C$ 341United Airlines

Find Deal

Sat, 6 Dec - Mon, 8 Dec

4:57 p.m. - 11:32 p.m.MIA-SEA

9h 35m1 stop

8:45 a.m. - 5:34 p.m.SEA-MIA

5h 49mdirect

C$ 363Hawaiian Airlines

Find Deal

Wed, 26 Nov - Wed, 3 Dec

1:45 p.m. - 10:55 p.m.MIA-SEA

12h 10m1 stop

8:35 a.m. - 9:40 p.m.SEA-MIA

10h 05m1 stop

C$ 367Southwest

Find Deal

Wed, 19 Nov - Tue, 17 Feb

1:45 p.m. - 10:43 p.m.MIA-SEA

11h 58m2 stops

7:00 a.m. - 6:25 p.m.SEA-MIA

8h 25m1 stop

C$ 369United Airlines

Find Deal

Thu, 15 Jan - Sun, 18 Jan

Alaska Airlines flights from Miami to Seattle

Our best Alaska Airlines deals on Miami to Seattle flight tickets

Alaska Airlines

5 Dec

MIA6:34 p.m.Miami

6h 56m

SEA10:30 p.m.Seattle/Tacoma Intl

7 Dec

SEA8:45 a.m.Seattle/Tacoma Intl

5h 49m

MIA5:34 p.m.Miami

C$ 306

Find similar

Alaska Airlines

24 Dec

MIA6:11 p.m.Miami

6h 54m

SEA10:05 p.m.Seattle/Tacoma Intl

30 Dec

SEA9:20 p.m.Seattle/Tacoma Intl

5h 45m

MIA6:05 a.m.Miami

C$ 312

Find similar

Alaska Airlines

15 Jan

MIA6:34 p.m.Miami

6h 55m

SEA10:29 p.m.Seattle/Tacoma Intl

18 Jan

SEA7:50 p.m.Seattle/Tacoma Intl

16h 49m

1 stop

MIA3:39 p.m.Miami

C$ 320

Find similar

Southwest flights from Miami to Seattle

Our best Southwest deals on Miami to Seattle flight tickets

Southwest

22 Jan

MIA9:00 a.m.Miami

11h 50m

2 stops

SEA5:50 p.m.Seattle/Tacoma Intl

24 Jan

SEA10:45 a.m.Seattle/Tacoma Intl

7h 45m

1 stop

MIA9:30 p.m.Miami

C$ 313

Find similar

Southwest

19 Nov

MIA1:45 p.m.Miami

12h 10m

1 stop

SEA10:55 p.m.Seattle/Tacoma Intl

17 Feb

SEA8:35 a.m.Seattle/Tacoma Intl

10h 05m

1 stop

MIA9:40 p.m.Miami

C$ 367

Find similar

Southwest

4 Dec

MIA1:45 p.m.Miami

12h 10m

1 stop

SEA10:55 p.m.Seattle/Tacoma Intl

10 Dec

SEA5:40 a.m.Seattle/Tacoma Intl

7h 20m

1 stop

MIA4:00 p.m.Miami

C$ 381

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 5/12

6:34 p.m.-10:30 p.m.

Nonstop6h 56m

Seattle/Tacoma Intl

Sun 7/12

8:45 a.m.-5:34 p.m.

Nonstop5h 49m

C$ 306

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 24/12

6:11 p.m.-10:05 p.m.

Nonstop6h 54m

Seattle/Tacoma Intl

Tue 30/12

9:20 p.m.-6:05 a.m.

Nonstop5h 45m

C$ 312

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 22/1

9:00 a.m.-5:50 p.m.

2 stops11h 50m

Seattle/Tacoma Intl

Sat 24/1

10:45 a.m.-9:30 p.m.

1 stop7h 45m

C$ 313

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 15/1

6:34 p.m.-10:29 p.m.

Nonstop6h 55m

Seattle/Tacoma Intl

Sun 18/1

7:50 p.m.-3:39 p.m.

1 stop16h 49m

C$ 320

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 4/12

6:00 p.m.-9:58 p.m.

Nonstop6h 58m

Seattle/Tacoma Intl

Wed 10/12

7:55 a.m.-4:50 p.m.

Nonstop5h 55m

C$ 331

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 12/2

6:05 p.m.-10:12 p.m.

Nonstop7h 07m

Seattle/Tacoma Intl

Mon 16/2

8:00 a.m.-5:05 p.m.

Nonstop6h 05m

C$ 333

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sat 6/12

7:00 a.m.-3:29 p.m.

2 stops11h 29m

Seattle/Tacoma Intl

Mon 8/12

7:10 a.m.-5:53 p.m.

1 stop7h 43m

C$ 341

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 26/11

4:57 p.m.-11:32 p.m.

1 stop9h 35m

Seattle/Tacoma Intl

Wed 3/12

8:45 a.m.-5:34 p.m.

Nonstop5h 49m

C$ 363

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 19/11

1:45 p.m.-10:55 p.m.

1 stop12h 10m

Seattle/Tacoma Intl

Tue 17/2

8:35 a.m.-9:40 p.m.

1 stop10h 05m

C$ 367

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 15/1

1:45 p.m.-10:43 p.m.

2 stops11h 58m

Seattle/Tacoma Intl

Sun 18/1

7:00 a.m.-6:25 p.m.

1 stop8h 25m

C$ 369

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Miami to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 418.

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Saturday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 221. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 333. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

What is the cheapest time of day to depart on your flight to Seattle?

Our most recent data shows that the best time of day to fly to Seattle is in the afternoon. Flights from Miami to Seattle during this time can be as low as C$ 227. Flights in the evening are often more expensive with an average ticket price of C$ 387.

What is the cheapest Miami to Seattle/Tacoma Intl flight route?

Fly from Miami to Seattle/Tacoma Intl for the best Miami - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 479 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Miami for as low as C$ 390 on momondo.

What cabin class options are available on Miami to Seattle/Tacoma Intl flights?

There are 3 cabin classes available to choose from on Miami to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Miami to Seattle flights?

You could potentially save up to 73% on your flight if you consider stops on a Miami to Seattle flight.

How have Miami to Seattle flight prices changed over time?

As of October 2025, prices for Miami to Seattle flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Miami to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Miami to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Miami to Seattle (MIA to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Miami to Seattle

Fastest flight time	6h 42m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from Miami to Seattle takes 6h 42m

Direct flights go from Miami to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

How far is Miami to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 4392.9 km away from Miami. A reasonable flight in good conditions will take 6h 30m.
When did momondo last update prices for flights from Miami Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Miami Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Miami Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Miami Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Miami to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Miami to Seattle is Airbus A321neo, representing 42.60% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 23.83%, Boeing 737 MAX 8 at 13.00%, and Boeing 737-900 Passenger/BBJ3 (winglets) at 10.47%.

Leavenworth

Lynnwood

Marysville

Tacoma

SeaTac

Kirkland

Olympia

Ocean Shores

Redmond

Shoreline

Ellensburg

Gig Harbor

Renton

Mukilteo

Cle Elum

Centralia

Federal Way

Puyallup

Shelton

Lakewood

Why use momondo?

Why should I use momondo to find a flight deal from Miami to Seattle?

It is quick and easy to find Miami to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from Miami to Seattle with flexible booking policies on momondo?

Yes. All flights to Seattle from Miami on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Miami to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Miami.

I’m not ready to book a flight from Miami to Seattle right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Miami to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Flights to Houstonfrom C$ 224

Cheap flights from Miami to Seattle from C$ 189

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Miami to Seattle departing on 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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Filter for what you want

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Cheap round-trip flights

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Alaska Airlines flights from Miami to Seattle

Our best Alaska Airlines deals on Miami to Seattle flight tickets

Southwest flights from Miami to Seattle

Our best Southwest deals on Miami to Seattle flight tickets

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Use the filters below to find and compare flights from Miami to Seattle that are best for you.

See travel insights to Seattle from

How to get the cheapest flight ticket from Miami to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 418.

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

Our most recent data shows that the best time of day to fly to Seattle is in the afternoon. Flights from Miami to Seattle during this time can be as low as C$ 227. Flights in the evening are often more expensive with an average ticket price of C$ 387.

What is the cheapest Miami to Seattle/Tacoma Intl flight route?

Fly from Miami to Seattle/Tacoma Intl for the best Miami - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

What cabin class options are available on Miami to Seattle/Tacoma Intl flights?

There are 3 cabin classes available to choose from on Miami to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Miami to Seattle flights?

You could potentially save up to 73% on your flight if you consider stops on a Miami to Seattle flight.

How have Miami to Seattle flight prices changed over time?

As of October 2025, prices for Miami to Seattle flights are approximately 20% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Miami to Seattle/Tacoma Intl?

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Miami to Seattle/Tacoma Intl

How often are flights from Miami to Seattle delayed?

Historically, on average around 20% of flights between Miami and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 163 minutes.

What is the most punctual flight time for Miami to Seattle flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Miami to Seattle flights?

According to our data, Atlas Air has had the lowest number of delays on this route over the last 12 months, with no flights being classified as delayed.

How many flights depart from Miami to Seattle on average per day?

As of October 2025, 5 flights take off from Miami and land in Seattle each day. The most common flight departure time for this route is 6:00p.m., with 100% of daily flights taking off in the evening.

How many flights depart from Miami to Seattle on average per week?

As of October 2025, there are 36 flights per week flying from Miami to Seattle. The most common day of the week flights depart is Wed, with 22% of flights taking off on this day.

When to book flights from Miami to Seattle

Cheap Miami to Seattle (MIA to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Miami to Seattle

Fastest flight time

Direct flights

Airports in Seattle

How far is Miami to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Miami Airport to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Miami Airport to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Miami to Seattle?

Travelling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from Miami to Seattle?

Can I find flights from Miami to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from Miami to Seattle?

I’m not ready to book a flight from Miami to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington