How often are flights from Miami to Seattle delayed?

Historically, on average around 21% 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 157 minutes.

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

As of January 2026, 7 flights take off from Miami and land in Seattle each day. The most common flight departure time for this route is 7:00p.m., with 75% of daily flights taking off in the evening.

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

As of January 2026, there are 53 flights per week flying from Miami to Seattle. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

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. Sunday 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, Alaska Airlines has had the least delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

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

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

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$ 160 Cheap Flights from Miami to Seattle in 2026

1 adult

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:24 p.m. - 10:15 p.m.

MIA

SEA

6h 51mdirect

8:30 a.m. - 5:14 p.m.

SEA

MIA

5h 44mdirect

C$ 270Delta

Fri, 27 Feb - Mon, 2 Mar

6:05 p.m. - 12:30 a.m.

MIA

SEA

9h 25m

1 stop

11:55 p.m. - 11:40 a.m.

SEA

MIA

8h 45m

1 stop

C$ 297Southwest

Fri, 6 Mar - Mon, 9 Mar

2:00 p.m. - 10:30 p.m.

MIA

SEA

11h 30m

1 stop

6:05 a.m. - 8:05 p.m.

SEA

MIA

11h 00m

2 stops

C$ 304Southwest

Wed, 25 Feb - Wed, 4 Mar

6:29 p.m. - 10:15 p.m.

MIA

SEA

6h 46mdirect

8:00 a.m. - 4:46 p.m.

SEA

MIA

5h 46mdirect

C$ 310Delta

Thu, 5 Mar - Wed, 11 Mar

5:56 p.m. - 9:48 p.m.

MIA

SEA

6h 52mdirect

8:00 a.m. - 4:46 p.m.

SEA

MIA

5h 46mdirect

C$ 323Delta

Thu, 12 Mar - Sun, 15 Mar

6:24 p.m. - 10:15 p.m.

MIA

SEA

6h 51mdirect

8:00 a.m. - 4:46 p.m.

SEA

MIA

5h 46mdirect

C$ 324Delta

Fri, 27 Feb - Tue, 31 Mar

6:04 p.m. - 9:47 p.m.

MIA

SEA

6h 43mdirect

7:55 a.m. - 5:04 p.m.

SEA

MIA

6h 09mdirect

C$ 335Alaska Airlines

Wed, 29 Apr - Sun, 3 May

6:29 p.m. - 10:15 p.m.

MIA

SEA

6h 46mdirect

8:45 a.m. - 5:29 p.m.

SEA

MIA

5h 44mdirect

C$ 337Delta

Thu, 26 Feb - Wed, 4 Mar

5:25 p.m. - 9:05 p.m.

MIA

SEA

6h 40mdirect

7:15 a.m. - 4:11 p.m.

SEA

MIA

5h 56mdirect

C$ 349Delta

Thu, 30 Apr - Sun, 3 May

4:10 p.m. - 10:45 p.m.

MIA

SEA

9h 35m

1 stop

11:59 p.m. - 11:47 a.m.

SEA

MIA

8h 48m

1 stop

C$ 350United Airlines

Thu, 5 Mar - Wed, 11 Mar

United Airlines flights from Miami to Seattle

Our best United Airlines deals on Miami to Seattle flight tickets

United Airlines

5 Mar

MIA4:10 p.m.Miami

9h 35m

1 stop

SEA10:45 p.m.Seattle/Tacoma Intl

11 Mar

SEA11:59 p.m.Seattle/Tacoma Intl

8h 48m

1 stop

MIA11:47 a.m.Miami

C$ 350

United Airlines

19 Feb

MIA12:22 p.m.Miami

9h 41m

1 stop

SEA7:03 p.m.Seattle/Tacoma Intl

22 Feb

SEA7:10 p.m.Seattle/Tacoma Intl

7h 41m

1 stop

MIA5:51 a.m.Miami

C$ 352

United Airlines

7 May

MIA7:15 a.m.Miami

11h 57m

1 stop

SEA4:12 p.m.Seattle/Tacoma Intl

16 May

SEA11:59 p.m.Seattle/Tacoma Intl

8h 03m

1 stop

MIA11:02 a.m.Miami

C$ 362

Delta flights from Miami to Seattle

Our best Delta deals on Miami to Seattle flight tickets

Delta

27 Feb

MIA6:24 p.m.Miami

6h 51m

SEA10:15 p.m.Seattle/Tacoma Intl

2 Mar

SEA8:30 a.m.Seattle/Tacoma Intl

5h 44m

MIA5:14 p.m.Miami

C$ 270

Delta

5 Mar

MIA6:29 p.m.Miami

6h 46m

SEA10:15 p.m.Seattle/Tacoma Intl

11 Mar

SEA8:00 a.m.Seattle/Tacoma Intl

5h 46m

MIA4:46 p.m.Miami

C$ 310

Delta

12 Mar

MIA5:56 p.m.Miami

6h 52m

SEA9:48 p.m.Seattle/Tacoma Intl

15 Mar

SEA8:00 a.m.Seattle/Tacoma Intl

5h 46m

MIA4:46 p.m.Miami

C$ 323

Fly from

Fly to

Route

Depart

Return

Price

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 27/2

6:24 p.m.-10:15 p.m.

Nonstop6h 51m

Seattle/Tacoma Intl

Mon 2/3

8:30 a.m.-5:14 p.m.

Nonstop5h 44m

C$ 270

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 6/3

6:05 p.m.-12:30 a.m.

1 stop9h 25m

Seattle/Tacoma Intl

Mon 9/3

11:55 p.m.-11:40 a.m.

1 stop8h 45m

C$ 297

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 25/2

2:00 p.m.-10:30 p.m.

1 stop11h 30m

Seattle/Tacoma Intl

Wed 4/3

6:05 a.m.-8:05 p.m.

2 stops11h 00m

C$ 304

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 5/3

6:29 p.m.-10:15 p.m.

Nonstop6h 46m

Seattle/Tacoma Intl

Wed 11/3

8:00 a.m.-4:46 p.m.

Nonstop5h 46m

C$ 310

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 12/3

5:56 p.m.-9:48 p.m.

Nonstop6h 52m

Seattle/Tacoma Intl

Sun 15/3

8:00 a.m.-4:46 p.m.

Nonstop5h 46m

C$ 323

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 27/2

6:24 p.m.-10:15 p.m.

Nonstop6h 51m

Seattle/Tacoma Intl

Tue 31/3

8:00 a.m.-4:46 p.m.

Nonstop5h 46m

C$ 324

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 29/4

6:04 p.m.-9:47 p.m.

Nonstop6h 43m

Seattle/Tacoma Intl

Sun 3/5

7:55 a.m.-5:04 p.m.

Nonstop6h 09m

C$ 335

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 26/2

6:29 p.m.-10:15 p.m.

Nonstop6h 46m

Seattle/Tacoma Intl

Wed 4/3

8:45 a.m.-5:29 p.m.

Nonstop5h 44m

C$ 337

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 30/4

5:25 p.m.-9:05 p.m.

Nonstop6h 40m

Seattle/Tacoma Intl

Sun 3/5

7:15 a.m.-4:11 p.m.

Nonstop5h 56m

C$ 349

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 5/3

4:10 p.m.-10:45 p.m.

1 stop9h 35m

Seattle/Tacoma Intl

Wed 11/3

11:59 p.m.-11:47 a.m.

1 stop8h 48m

C$ 350

Flights are sorted by cheapest round-trip flights first.

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 October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 402.

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$ 215. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 220. 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$ 217. Flights in the evening are often more expensive with an average ticket price of C$ 228.

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$ 459 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$ 372 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 75% 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 January 2026, prices for Miami to Seattle flights are approximately 1% more expensive 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 51m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from Miami to Seattle takes 6h 51m

Direct flights go from Miami to Seattle every day.

There is 1 airport in Seattle. From Miami there are direct flights to 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 51m.
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 65.98% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 12.50%, Boeing 737 MAX 9 at 11.68%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 2.66%.

Lynnwood

Leavenworth

Tacoma

Marysville

SeaTac

Redmond

Kirkland

Tukwila

Olympia

Ocean Shores

Bainbridge Island

Ellensburg

Gig Harbor

Renton

Mukilteo

Cle Elum

Centralia

Puyallup

Kent

Edmonds

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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Cheap flights from Miami to Seattle from C$ 195

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 30/4. 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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Find the cheapest flights from Miami to Seattle

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United Airlines flights from Miami to Seattle

Our best United Airlines deals on Miami to Seattle flight tickets

Delta flights from Miami to Seattle

Our best Delta 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

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 402.

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$ 217. Flights in the evening are often more expensive with an average ticket price of C$ 228.

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 75% 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 January 2026, prices for Miami to Seattle flights are approximately 1% more expensive 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 and Delta 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 21% 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 157 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. Sunday 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, Alaska Airlines has had the least delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

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

As of January 2026, 7 flights take off from Miami and land in Seattle each day. The most common flight departure time for this route is 7:00p.m., with 75% of daily flights taking off in the evening.

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

As of January 2026, there are 53 flights per week flying from Miami to Seattle. The most common day of the week flights depart is Mon, with 15% 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