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Cheap flights from Miami to Seattle from C$ 189

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Miami to Seattle/Tacoma Intl are usually found in February or September, booked 78 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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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 28 October 2025.

Fri 5/126:34 p.m.MIA - SEA
Nonstop6h 56mAlaska Airlines
Sun 7/128:45 a.m.SEA - MIA
Nonstop5h 49mAlaska Airlines
Deal found 27/10C$ 306
Wed 24/126:11 p.m.MIA - SEA
Nonstop6h 54mAlaska Airlines
Tue 30/129:20 p.m.SEA - MIA
Nonstop5h 45mAlaska Airlines
Deal found 26/10C$ 312
Thu 4/126:00 p.m.MIA - SEA
Nonstop6h 58mDelta
Wed 10/127:55 a.m.SEA - MIA
Nonstop5h 55mDelta
Deal found 27/10C$ 331
Sat 6/1211:55 a.m.MIA - SEA
1 stop10h 27mUnited Airlines
Tue 9/1211:59 p.m.SEA - MIA
1 stop7h 54mUnited Airlines
Deal found 27/10C$ 334
Sat 6/127:00 a.m.MIA - SEA
2 stops11h 29mUnited Airlines
Mon 8/127:10 a.m.SEA - MIA
1 stop7h 43mUnited Airlines
Deal found 26/10C$ 341
Thu 4/126:34 p.m.MIA - SEA
Nonstop6h 56mAlaska Airlines
Sun 7/128:45 a.m.SEA - MIA
Nonstop5h 49mAlaska Airlines
Deal found 28/10C$ 347
Sat 6/126:34 p.m.MIA - SEA
Nonstop6h 56mAlaska Airlines
Mon 8/128:45 a.m.SEA - MIA
Nonstop5h 49mAlaska Airlines
Deal found 27/10C$ 348
Wed 26/116:05 p.m.MIA - SEA
Nonstop6h 53mDelta
Mon 1/127:55 a.m.SEA - MIA
Nonstop5h 54mDelta
Deal found 27/10C$ 359
Wed 26/114:57 p.m.MIA - SEA
1 stop9h 35mHawaiian Airlines
Wed 3/128:45 a.m.SEA - MIA
Nonstop5h 49mHawaiian Airlines
Deal found 27/10C$ 364
Wed 3/125:00 p.m.MIA - SEA
1 stop21h 49mAlaska Airlines
Mon 8/128:45 a.m.SEA - MIA
Nonstop5h 49mAlaska Airlines
Deal found 28/10C$ 366
Wed 19/111:45 p.m.MIA - SEA
1 stop12h 10mSouthwest
Tue 17/28:35 a.m.SEA - MIA
1 stop10h 05mSouthwest
Deal found 26/10C$ 368
Wed 24/124:51 p.m.MIA - SEA
1 stop17h 29mAlaska Airlines
Mon 29/129:20 p.m.SEA - MIA
Nonstop5h 45mAlaska Airlines
Deal found 27/10C$ 373

Cheap flight deals from Miami to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 October 2025.

Round-trip from

C$ 306

One-way from

C$ 189

Popular in

March

Cheapest in

February

Average price

C$ 456

Good one-way deal

C$ 461 or less
Alaska Airlines
  • Alaska Airlines
  • 4/12-8/12
  • Nonstop
  • 12h 45m total
  • Miami to Seattle
Search Deals
United Airlines
  • United Airlines
  • 26/1
  • 2 total stops
  • 13h 53m total
  • Miami to Seattle
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a one-way flight from Miami to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 October 2025.
Use the filters below to find and compare flights from Miami to Seattle that are best for you.

Fly from

Miami

Fly to

Seattle

Route

Depart

Return

Price

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 27/11

7:17 a.m.-11:15 a.m.

Nonstop6h 58m

Seattle/Tacoma Intl

Thu 4/12

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

Nonstop5h 49m

C$ 341

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$ 387

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 5/3

12:11 p.m.-6:58 p.m.

1 stop9h 47m

Seattle/Tacoma Intl

Mon 9/3

5:07 a.m.-5:47 p.m.

2 stops9h 40m

C$ 467

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

5:00 p.m.-4:00 p.m.

1 stop20h 00m

C$ 470

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 23/12

5:00 p.m.-8:50 p.m.

Nonstop6h 50m

Seattle/Tacoma Intl

Sun 28/12

8:45 a.m.-5:46 p.m.

Nonstop6h 01m

C$ 471

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 10/12

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

1 stop12h 10m

Seattle/Tacoma Intl

Thu 11/12

5:15 a.m.-7:50 p.m.

2 stops11h 35m

C$ 473

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 10/3

4:45 p.m.-10:24 p.m.

1 stop8h 39m

Seattle/Tacoma Intl

Wed 11/3

11:10 p.m.-3:42 p.m.

1 stop13h 32m

C$ 474

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 26/11

5:00 p.m.-12:35 a.m.

1 stop10h 35m

Seattle/Tacoma Intl

Wed 3/12

5:40 a.m.-4:00 p.m.

1 stop7h 20m

C$ 499

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sat 10/1

6:20 a.m.-12:49 p.m.

1 stop9h 29m

Seattle/Tacoma Intl

Mon 12/1

8:40 a.m.-11:59 p.m.

2 stops12h 19m

C$ 508

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 30/12

7:25 a.m.-11:22 a.m.

Nonstop6h 57m

Seattle/Tacoma Intl

Mon 12/1

8:44 a.m.-5:34 p.m.

Nonstop5h 50m

C$ 522

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 22 results
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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.
Estimated round-trip 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

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

Use this chart to determine the optimal time to book a round-trip flight from Miami to Seattle. Price data was last updated on 24 October 2025.

The price you pay for your flight from Miami to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Miami to Seattle (average of C$ 169). Flying from Miami to Seattle in November is currently the most expensive (average of C$ 292). 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?

Find hourly flight availability from Miami to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 October 2025.

When flying from Miami to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Miami to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Miami to Seattle flight route?

    This flight path from Miami to Seattle/Tacoma Intl was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Miami to Seattle?

    Departing from Miami to Seattle will take you 6h 58m. There are 4376 km between Miami and Seattle. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Miami to Seattle one-way?

    The cheapest airlines for a one-way flight from Miami to Seattle are Alaska Airlines (C$ 189), United Airlines (C$ 189), and Delta (C$ 194).

  • What are the most reliable airlines from Miami to Seattle?

    Before booking your flight to Seattle from Miami, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (72%), Air Tahiti Nui (72%), American Airlines( 68%).

  • What are the cheapest flights from Miami to Seattle?

    Looking at all options, your cheapest flight can be booked for C$ 312. While the most popular route (Miami - Seattle/Tacoma Intl) can be booked for C$ 359 on average, our data indicates C$ 461 when flying from Miami to Seattle.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Miami to Seattle (average of C$ 169). Flying from Miami to Seattle in November is currently the most expensive (average of C$ 292). 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.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Tacoma
Mukilteo
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

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