How often are flights from Miami to Seattle delayed?

About 23% of weekly flights between Miami and Seattle have experienced delays in the past year, with the average delay time being 170 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Over the past year, Alaska Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.

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

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

How popular is this Miami to Seattle flight route?

Flights from Miami to Seattle/Tacoma Intl have been viewed 1 times in the past calendar month.

How long is the flight from Miami to Seattle?

There are many flights that can get you from Miami to Seattle in 6h 57m. Fly via Southwest, Alaska Airlines, or Delta to get the fastest option. The distance from Miami to Seattle is about 2719 mi. Both multi-stop and direct flights can be found to your destination and back.

Weekly flight availability from Miami to Seattle

The most flights from MIA to SEA are scheduled on a Tuesday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

What are the most reliable airlines from Miami to Seattle?

No one likes to see their flight delayed. When booking a flight from Miami to Seattle consider choosing Philippine Airlines (100%), American Airlines (93%) or GOL (93%) as they are the most reliable in getting you off to your destination on time.

Can I find deals for flights from Miami to Seattle that include hotel bookings?

Yes. In addition to deals on Miami to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Miami to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to Seattle.

Can I find deals for business class flights from Miami to Seattle?

Yes. Cheapflights offers flight deals from Miami to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£150+ Cheap Flights from Miami to Seattle

Cheap flight deals from Miami to Seattle

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Miami to Seattle
Explore the most affordable flight options available from Miami to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Thu 5/1118:15 -

Nonstop6h 45m

Wed 11/1108:10 -

Nonstop5h 56m

Deal found 5/10£277

Mon 7/1209:10 -

2 stops11h 40m

Wed 9/1206:10 -

2 stops10h 55m

Deal found 5/10£280

Thu 17/1218:12 -

Nonstop6h 53m

Wed 30/1215:59 -

1 stop14h 25m

Deal found 6/10£283

Thu 29/1013:00 -

1 stop8h 10m

Mon 2/1105:30 -

1 stop8h 25m

Deal found 5/10£284

Sun 1/1118:15 -

Nonstop6h 45m

Tue 3/1108:05 -

Nonstop5h 58m

Deal found 6/10£285

Fri 18/1218:12 -

Nonstop6h 53m

Wed 30/1208:00 -

Nonstop5h 52m

Deal found 6/10£286

Tue 1/1219:25 -

1 stop16h 35m

Sun 6/1208:10 -

Nonstop5h 51m

Deal found 6/10£288

Fri 18/1218:25 -

1 stop9h 50m

Thu 31/1206:30 -

2 stops12h 40m

Deal found 6/10£289

Tue 15/1218:12 -

Nonstop6h 53m

Thu 7/108:25 -

Nonstop6h 02m

Deal found 6/10£290

Tue 8/1208:15 -

1 stop11h 32m

Wed 30/1215:59 -

1 stop14h 25m

Deal found 6/10£291

Tue 8/1218:21 -

Nonstop6h 59m

Thu 31/1221:26 -

Nonstop5h 44m

Deal found 6/10£293

Wed 2/1211:30 -

1 stop11h 48m

Thu 10/1208:10 -

Nonstop5h 51m

Deal found 6/10£293

Find flight deals from Miami to Seattle

Round-trip from	£277
One-way from	£150
Popular in	June
Cheapest in	January
Average price	£292

Delta
5/11-11/11
Nonstop
12h 41m total
Miami to Seattle

Search Deals

Delta
9/11-31/12
Nonstop
6h 48m total
Miami to Seattle

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£29 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MiamiSeattle

MIA Miami - SEA Seattle/Tacoma Intl

MIASEA

Miami

Fri 25/12

12:00-18:35

1 stop9h 35m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£156

MiamiSeattle

MIA Miami - SEA Seattle/Tacoma Intl

MIASEA

Miami

Mon 7/12

18:12-22:05

Nonstop6h 53m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£158

MiamiSeattle

MIA Miami - SEA Seattle/Tacoma Intl

MIASEA

Miami

Wed 25/11

18:17-22:05

Nonstop6h 48m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£162

MiamiSeattle

MIA Miami - SEA Seattle/Tacoma Intl

MIASEA

Miami

Thu 10/12

09:10-17:50

2 stops11h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£166

MiamiSeattle

MIA Miami - SEA Seattle/Tacoma Intl

MIASEA

Miami

Fri 30/10

13:00-18:10

1 stop8h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£173

MiamiSeattle

MIA Miami - SEA Seattle/Tacoma Intl

MIASEA

Miami

Fri 5/3

15:45-00:55

2 stops12h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£173

MiamiSeattle

MIA Miami - SEA Seattle/Tacoma Intl

MIASEA

Miami

Tue 6/4

16:05-23:05

1 stop10h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£173

Fastest return journey

MiamiSeattle

MIA Miami - SEA Seattle/Tacoma Intl

MIASEA

Miami

Sun 1/11

18:10-21:54

Nonstop6h 44m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£188

MiamiSeattle

MIA Miami - SEA Seattle/Tacoma Intl

MIASEA

Miami

Thu 1/4

18:05-21:58

Nonstop6h 53m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£188

MiamiSeattle

MIA Miami - SEA Seattle/Tacoma Intl

MIASEA

Miami

Tue 6/4

18:05-21:58

Nonstop6h 53m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£188

Flights are sorted by cheapest return flights first.

Deals found on 7/10

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Miami to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Miami with our price prediction graph.

MIA-SEA

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Miami to Seattle

Prices

Airlines

Delays

How far ahead should I book a flight from Miami to Seattle?

The best time to book flights from Miami to Seattle is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Miami to Seattle?

Currently, January is the cheapest month in which you can book a flight from Miami to Seattle (average of £256). Flying from Miami to Seattle in June is currently the most expensive (average of £384). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MIA to SEA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Miami to Seattle as you normally would.

How much does it cost for a return flight from Miami to Seattle?

Airfare is typical for this route at the moment.

Miami to Seattle flights typically cost between £192 and £364 in November.
The cheapest return price found within the last 5 days was £277 on Delta (5 Nov–11 Nov).

Related info for your journey

How popular is this Miami to Seattle flight route?
Flights from Miami to Seattle/Tacoma Intl have been viewed 1 times in the past calendar month.
How long is the flight from Miami to Seattle?
There are many flights that can get you from Miami to Seattle in 6h 57m. Fly via Southwest, Alaska Airlines, or Delta to get the fastest option. The distance from Miami to Seattle is about 2719 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from Miami to Seattle?
No one likes to see their flight delayed. When booking a flight from Miami to Seattle consider choosing Philippine Airlines (100%), American Airlines (93%) or GOL (93%) as they are the most reliable in getting you off to your destination on time.
Can I find deals for flights from Miami to Seattle that include hotel bookings?
Yes. In addition to deals on Miami to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Miami to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to Seattle.
Can I find deals for business class flights from Miami to Seattle?
Yes. Cheapflights offers flight deals from Miami to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Miami to Seattle?
Currently, January is the cheapest month in which you can book a flight from Miami to Seattle (average of £256). Flying from Miami to Seattle in June is currently the most expensive (average of £384). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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When you search for this flight from Miami to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Miami to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Miami to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Miami to Seattle with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Miami to Seattle, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Miami to Seattle become cheaper?

Of course! You can now track prices for flights from Miami to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Miami to Seattle from £150

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Miami to Seattle

Cheapest flights from Miami to SeattleExplore the most affordable flight options available from Miami to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Explore the most affordable flight options available from Miami to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Best flights from Miami to SeattleDiscover carefully curated flight deals from Miami to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Discover carefully curated flight deals from Miami to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Direct flights from Miami to SeattleExplore direct flight options from Miami to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.

Explore direct flight options from Miami to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.

Last-minute flights from Miami to SeattleDiscover last-minute flight deals from Miami to Seattle. Data last updated 8 October 2026 and is based on user searches.

Discover last-minute flight deals from Miami to Seattle. Data last updated 8 October 2026 and is based on user searches.

One-way flights from Miami to SeattleSearch for one-way flight options from Miami to Seattle. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.

Search for one-way flight options from Miami to Seattle. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.

Find flight deals from Miami to Seattle

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

Best time to book a flight from Miami to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Miami with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Miami to Seattle?

The best time to book flights from Miami to Seattle is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Miami to Seattle?

What is the cheapest time of day to fly from MIA to SEA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Miami to Seattle as you normally would.

How much does it cost for a return flight from Miami to Seattle?

Airfare is typical for this route at the moment.

Miami to Seattle flights typically cost between £192 and £364 in November.The cheapest return price found within the last 5 days was £277 on Delta (5 Nov–11 Nov).

Weekly flight availability from Miami to Seattle

The most flights from MIA to SEA are scheduled on a Tuesday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from Miami to Seattle delayed?

About 23% of weekly flights between Miami and Seattle have experienced delays in the past year, with the average delay time being 170 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Alaska Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.

Related info for your journey

How popular is this Miami to Seattle flight route?

How long is the flight from Miami to Seattle?

What are the most reliable airlines from Miami to Seattle?

Can I find deals for flights from Miami to Seattle that include hotel bookings?

How can I find direct flights from Miami to Seattle?

Can I find deals for business class flights from Miami to Seattle?

What is the cheapest month to book a flight from Miami to Seattle?

Travelling to a place near Seattle?

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Complete your trip

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Direct flights to Washington

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Miami and Seattle flights

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Can Cheapflights notify me if prices for flights from Miami to Seattle become cheaper?

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Cheapest flights from Miami to Seattle
Explore the most affordable flight options available from Miami to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Best flights from Miami to Seattle
Discover carefully curated flight deals from Miami to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Direct flights from Miami to Seattle
Explore direct flight options from Miami to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.

Last-minute flights from Miami to Seattle
Discover last-minute flight deals from Miami to Seattle. Data last updated 8 October 2026 and is based on user searches.

One-way flights from Miami to Seattle
Search for one-way flight options from Miami to Seattle. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.

Miami to Seattle flights typically cost between £192 and £364 in November.
The cheapest return price found within the last 5 days was £277 on Delta (5 Nov–11 Nov).